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Xu N, Xu K, Xu Y, Ji D, Wang W, Xie C. Interactions between nitrogen and phosphorus modulate the food quality of the marine crop Pyropia haitanensis (T. J. Chang & B. F. Zheng) N. Kikuchi & M. Miyata (Porphyra haitanensis). Food Chem 2024; 448:138973. [PMID: 38522292 DOI: 10.1016/j.foodchem.2024.138973] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2023] [Revised: 03/03/2024] [Accepted: 03/06/2024] [Indexed: 03/26/2024]
Abstract
The quality of Pyropia haitanensis (T. J. Chang & B. F. Zheng) N. Kikuchi & M. Miyata (Porphyra haitanensis) is directly affected by nutrient availability. However, the molecular mechanism underlying the synergistic regulatory effects of nitrogen (N) and phosphorus (P) availability on P. haitanensis quality is unknown. Here, we performed physiological and multi-omics analyses to reveal the combined effects of N and P on P. haitanensis quality. The pigments accumulated under high N because of increases in N metabolism and porphyrin metabolism, ultimately resulting in intensely colored thalli. High N also promoted amino acid metabolism and inosine 5'-mononucleotide (IMP) synthesis, but inhibited carbohydrates accumulation. This resulted in increased amino acid, IMP and decreased agaro-carrageenan and cellulose contents, thereby improving the nutritional value and taste. Furthermore, high P promoted carbon metabolism and amino acid metabolism.This study provided the basis for elucidating the mechanism behind N and P regulating the seaweed quality.
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Affiliation(s)
- Ningning Xu
- Fisheries College, Jimei University, Xiamen, China; Key Laboratory of Healthy Mariculture for the East China Sea, Ministry of Agriculture, Xiamen, China; Fujian Engineering Research Center of Aquatic Breeding and Healthy Aquaculture, Xiamen, China; State Key Laboratory of Mariculture Breeding, Fisheries College of Jimei University, Ningde, China
| | - Kai Xu
- Fisheries College, Jimei University, Xiamen, China; Key Laboratory of Healthy Mariculture for the East China Sea, Ministry of Agriculture, Xiamen, China; Fujian Engineering Research Center of Aquatic Breeding and Healthy Aquaculture, Xiamen, China; State Key Laboratory of Mariculture Breeding, Fisheries College of Jimei University, Ningde, China.
| | - Yan Xu
- Fisheries College, Jimei University, Xiamen, China; Key Laboratory of Healthy Mariculture for the East China Sea, Ministry of Agriculture, Xiamen, China; Fujian Engineering Research Center of Aquatic Breeding and Healthy Aquaculture, Xiamen, China; State Key Laboratory of Mariculture Breeding, Fisheries College of Jimei University, Ningde, China.
| | - Dehua Ji
- Fisheries College, Jimei University, Xiamen, China; Key Laboratory of Healthy Mariculture for the East China Sea, Ministry of Agriculture, Xiamen, China; Fujian Engineering Research Center of Aquatic Breeding and Healthy Aquaculture, Xiamen, China; State Key Laboratory of Mariculture Breeding, Fisheries College of Jimei University, Ningde, China.
| | - Wenlei Wang
- Fisheries College, Jimei University, Xiamen, China; Key Laboratory of Healthy Mariculture for the East China Sea, Ministry of Agriculture, Xiamen, China; Fujian Engineering Research Center of Aquatic Breeding and Healthy Aquaculture, Xiamen, China; State Key Laboratory of Mariculture Breeding, Fisheries College of Jimei University, Ningde, China.
| | - Chaotian Xie
- Fisheries College, Jimei University, Xiamen, China; Key Laboratory of Healthy Mariculture for the East China Sea, Ministry of Agriculture, Xiamen, China; Fujian Engineering Research Center of Aquatic Breeding and Healthy Aquaculture, Xiamen, China; State Key Laboratory of Mariculture Breeding, Fisheries College of Jimei University, Ningde, China.
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Patil V, Sun L, Mohite V, Liang J, Wang D, Gao Y, Chen C. Effect of benthic and planktonic diatoms on the growth and biochemical composition of the commercial macroalga Pyropia haitanensis. MARINE POLLUTION BULLETIN 2024; 203:116411. [PMID: 38733890 DOI: 10.1016/j.marpolbul.2024.116411] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/11/2024] [Revised: 04/19/2024] [Accepted: 04/19/2024] [Indexed: 05/13/2024]
Abstract
This study delves into how two ecotypes of diatom affect the Pyropia haitanensis, a valuable and commercial red macroalga. We co-cultivated P. haitanensis with a planktonic diatom Skeletonema costatum and benthic diatom Navicula climacospheniae. The results showed that benthic diatom significantly hindered P. haitanensis growth, while planktonic ones had no major impact. The macroalga restrained planktonic diatom growth but did not affect benthic diatom. Photosynthetic pigments of macroalga, except chlorophyll, were higher, indicating stress when exposed to diatoms. Microscopic images revealed dense benthic diatom attachment, potentially stressing thalli due to limited light and EPS secretion. Total carbohydrate slightly decreased in both diatom treatments, while total protein significantly decreased with increasing benthic diatom densities. In summary, benthic diatom notably influenced P. haitanensis growth, pigments, and total protein levels. This study sheds light on the interaction between microalgal ecotypes and commercial macroalga P. haitanensis, which is crucial for its economic significance.
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Affiliation(s)
- Vishal Patil
- Key Laboratory of the Ministry of Education for Coastal and Wetland Ecosystem, College of Environment and Ecology/School of Life Sciences, Xiamen University, Xiamen 361102, Fujian, China; State Key Laboratory of Marine Environmental Sciences, Xiamen University, Xiamen 361102, Fujian, China
| | - Lin Sun
- State Key Laboratory of Marine Environmental Sciences, Xiamen University, Xiamen 361102, Fujian, China
| | - Vitthal Mohite
- Department of Zoology, Thakur College of Science and Commerce, Kandivali (E), Mumbai 400101, India
| | - Junrong Liang
- Key Laboratory of the Ministry of Education for Coastal and Wetland Ecosystem, College of Environment and Ecology/School of Life Sciences, Xiamen University, Xiamen 361102, Fujian, China
| | - Dazhi Wang
- Key Laboratory of the Ministry of Education for Coastal and Wetland Ecosystem, College of Environment and Ecology/School of Life Sciences, Xiamen University, Xiamen 361102, Fujian, China; State Key Laboratory of Marine Environmental Sciences, Xiamen University, Xiamen 361102, Fujian, China
| | - Yahui Gao
- Key Laboratory of the Ministry of Education for Coastal and Wetland Ecosystem, College of Environment and Ecology/School of Life Sciences, Xiamen University, Xiamen 361102, Fujian, China; State Key Laboratory of Marine Environmental Sciences, Xiamen University, Xiamen 361102, Fujian, China.
| | - Changping Chen
- Key Laboratory of the Ministry of Education for Coastal and Wetland Ecosystem, College of Environment and Ecology/School of Life Sciences, Xiamen University, Xiamen 361102, Fujian, China.
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Lee H, Han T, Park J. Purified Pyropia yezoensis Pigment Extract-Based Tandem Dye Synthesis. Mar Drugs 2024; 22:197. [PMID: 38786588 PMCID: PMC11122725 DOI: 10.3390/md22050197] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2024] [Revised: 04/19/2024] [Accepted: 04/24/2024] [Indexed: 05/25/2024] Open
Abstract
Red phycoerythrin (R-PE) is a highly valuable protein found in an edible seaweed, Pyropia yezoensis. It is used extensively in biotechnological applications due to its strong fluorescence and stability in diverse environments. However, the current methods for extracting and purifying R-PE are costly and unsustainable. The aim of the present study was to enhance the financial viability of the process by improving the extraction and purification of R-PE from dried P. yezoensis and to further enhance R-PE value by incorporating it into a tandem dye for molecular biology applications. A combination of ultrafiltration, ion exchange chromatography, and gel filtration yielded concentrated (1 mg·mL-1) R-PE at 99% purity. Using purified PE and Cyanine5 (Cy5), an organic tandem dye, phycoerythrin-Cy5 (PE-Cy5), was subsequently established. In comparison to a commercially available tandem dye, PE-Cy5 exhibited 202.3% stronger fluorescence, rendering it suitable for imaging and analyzes that require high sensitivity, enhanced signal-to-noise ratio, broad dynamic range, or shorter exposure times to minimize potential damage to samples. The techno-economic analysis confirmed the financial feasibility of the innovative technique for the extraction and purification of R-PE and PE-Cy5 production.
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Affiliation(s)
- Hojun Lee
- Bio Environmental Science and Technology (BEST) Lab, Ghent University Global Campus, 119-5, Songdomunhwa-ro, Incheon 21985, Republic of Korea
| | - Taejun Han
- Bio Environmental Science and Technology (BEST) Lab, Ghent University Global Campus, 119-5, Songdomunhwa-ro, Incheon 21985, Republic of Korea
- Department of Animal Sciences and Aquatic Ecology, Ghent University, Coupure Links 653-Block F, B-9000 Ghent, Belgium
| | - Jihae Park
- Bio Environmental Science and Technology (BEST) Lab, Ghent University Global Campus, 119-5, Songdomunhwa-ro, Incheon 21985, Republic of Korea
- Department of Animal Sciences and Aquatic Ecology, Ghent University, Coupure Links 653-Block F, B-9000 Ghent, Belgium
- Centre for Environmental and Energy Research, Ghent University Global Campus, 119-5, Songdomunhwa-ro, Incheon 21985, Republic of Korea
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Gomes-Dias JS, Teixeira-Guedes CI, Teixeira JA, Rocha CMR. Red seaweed biorefinery: The influence of sequential extractions on the functional properties of extracted agars and porphyrans. Int J Biol Macromol 2024; 257:128479. [PMID: 38040161 DOI: 10.1016/j.ijbiomac.2023.128479] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2023] [Revised: 11/13/2023] [Accepted: 11/26/2023] [Indexed: 12/03/2023]
Abstract
Red seaweeds are exploited for their hydrocolloids, but other fractions are usually overlooked. In a novel approach, this study aimed to evaluate cold-water (CWE), ethanolic (EE), and alkaline (SE) extractions, alone and in sequence, to simultaneously: i) decrease the hydrocolloid extraction waste (valorizing bioactive side-streams and/or increasing extraction yield); and ii) increase the hydrocolloids' texturizing properties. It is the first time these extractions' synergetic and/or antagonistic effects will be accessed. For Porphyra dioica, a combination of CWE and EE was optimal: a positive influence on the melting temperature (increasing 5 °C to 74 °C) and sulphate content (a 3-fold reduction to 5 %) was observed, compared to a direct porphyran extraction. The same was observed for Gracilaria vermiculophyla, recovering two additional bioactive fractions without impacting the hydrocolloid's extraction (agar with 220 g/cm2 gelling strength and 14 % yield was obtained). The sequential use of CWE, EE, and SE was the most beneficial in Gelidium corneum processing: it enhanced agar's texturizing capacity (reaching 1150 g/cm2, a 1.5-fold increase when compared to a direct extraction), without affecting its 22 % yield or over 88 % purity. Ultimately, these findings clarified the effects of cascading biorefinery approaches from red seaweeds and their pertinence.
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Affiliation(s)
- Joana S Gomes-Dias
- CEB - Centre of Biological Engineering, University of Minho, 4710-057 Braga, Portugal
| | | | - José A Teixeira
- CEB - Centre of Biological Engineering, University of Minho, 4710-057 Braga, Portugal; LABBELS - Associate Laboratory, Braga, Portugal
| | - Cristina M R Rocha
- CEB - Centre of Biological Engineering, University of Minho, 4710-057 Braga, Portugal; LABBELS - Associate Laboratory, Braga, Portugal.
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5
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Yang SM, Kim JS, Kim E, Kim HY. Rapid and Simultaneous Authentication of Six Laver Species Using Capillary Electrophoresis-Based Multiplex PCR. Foods 2024; 13:363. [PMID: 38338499 PMCID: PMC10855616 DOI: 10.3390/foods13030363] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2023] [Revised: 01/21/2024] [Accepted: 01/21/2024] [Indexed: 02/12/2024] Open
Abstract
Lavers are typically consumed in dried or seasoned forms. However, commercially processed lavers can lead to seafood fraud because it is impossible to authenticate the original species based on morphological characteristics alone. In this study, we developed a capillary electrophoresis-based multiplex polymerase chain reaction (PCR) to authenticate six different laver species. The species-specific primer sets to target the chloroplast rbcL or rbcS genes were newly designed. We successfully established both singleplex and multiplex conditions, which resulted in specific amplicons for each species (N. dentata, 274 bp; N. yezoensis, 211 bp; N. seriata, 195 bp; N. tenera, 169 bp; N. haitanensis, 127 bp; P. suborbiculata, 117 bp). Moreover, the assays were sensitive enough to detect DNA ranging from 10 to 0.1 pg of DNA. The optimized capillary electrophoresis-based multiplex PCR was successfully applied to 40 commercial laver products. In addition to detecting the laver species as stated on the commercial label, the assay discovered cases where less expensive species were mixed in. With its advantageous properties, such as short amplicon size, high specificity, and superior sensitivity, this assay could be used for the authentication of the six laver species.
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Affiliation(s)
| | | | | | - Hae-Yeong Kim
- Institute of Life Sciences & Resources, Department of Food Science and Biotechnology, Kyung Hee University, Yongin 17104, Republic of Korea; (S.-M.Y.); (J.-S.K.); (E.K.)
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Mei X, Zhang Y, Liu G, Shen J, Han J, Xue C, Xiao H, Chang Y. Characterization of a novel carbohydrate-binding module specifically binding to the major structural units of porphyran. Int J Biol Macromol 2023; 253:127106. [PMID: 37769778 DOI: 10.1016/j.ijbiomac.2023.127106] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2023] [Revised: 08/07/2023] [Accepted: 09/25/2023] [Indexed: 10/03/2023]
Abstract
Porphyran is a promising bioactive polysaccharide majorly composed of 4-linked α-l-galactopyranose-6-sulfate (L6S) and 3-linked β-d-galactopyranose (G) disaccharide repeating units. Carbohydrate-binding modules (CBMs) have been verified to be essential tools for investigating polysaccharides. However, no confirmed CBM binding to porphyran has been hitherto reported. In this study, an unknown domain with a predicted β-sandwich fold from a potential GH86 porphyranase was discovered, and further recombinantly expressed. The CBM protein (named FvCBM99) presented a desired specificity for porphyran tetrasaccharide with an affinity constant of 1.9 × 10-4 M, while it could not bind to agarose tetrasaccharide. The sequence novelty and well-defined function of FvCBM99 and its homologs reveal a new CBM family, CBM99. Besides, the application potential of FvCBM99 in in situ visualization of porphyran was demonstrated. The discovery of FvCBM99 provides a favorable tool for future studies of porphyran.
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Affiliation(s)
- Xuanwei Mei
- College of Food Science and Engineering, Ocean University of China, 1299 Sansha Road, Qingdao 266404, China
| | - Yuying Zhang
- College of Food Science and Engineering, Ocean University of China, 1299 Sansha Road, Qingdao 266404, China
| | - Guanchen Liu
- College of Food Science and Engineering, Ocean University of China, 1299 Sansha Road, Qingdao 266404, China
| | - Jingjing Shen
- College of Food Science and Engineering, Ocean University of China, 1299 Sansha Road, Qingdao 266404, China
| | - Jin Han
- College of Food Science and Engineering, Ocean University of China, 1299 Sansha Road, Qingdao 266404, China
| | - Changhu Xue
- College of Food Science and Engineering, Ocean University of China, 1299 Sansha Road, Qingdao 266404, China
| | - Hang Xiao
- Department of Food Science, University of Massachusetts, Amherst, MA, United States
| | - Yaoguang Chang
- College of Food Science and Engineering, Ocean University of China, 1299 Sansha Road, Qingdao 266404, China.
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Adarshan S, Sree VSS, Muthuramalingam P, Nambiar KS, Sevanan M, Satish L, Venkidasamy B, Jeelani PG, Shin H. Understanding Macroalgae: A Comprehensive Exploration of Nutraceutical, Pharmaceutical, and Omics Dimensions. PLANTS (BASEL, SWITZERLAND) 2023; 13:113. [PMID: 38202421 PMCID: PMC10780804 DOI: 10.3390/plants13010113] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/20/2023] [Revised: 12/17/2023] [Accepted: 12/28/2023] [Indexed: 01/12/2024]
Abstract
Driven by a surge in global interest in natural products, macroalgae or seaweed, has emerged as a prime source for nutraceuticals and pharmaceutical applications. Characterized by remarkable genetic diversity and a crucial role in marine ecosystems, these organisms offer not only substantial nutritional value in proteins, fibers, vitamins, and minerals, but also a diverse array of bioactive molecules with promising pharmaceutical properties. Furthermore, macroalgae produce approximately 80% of the oxygen in the atmosphere, highlighting their ecological significance. The unique combination of nutritional and bioactive attributes positions macroalgae as an ideal resource for food and medicine in various regions worldwide. This comprehensive review consolidates the latest advancements in the field, elucidating the potential applications of macroalgae in developing nutraceuticals and therapeutics. The review emphasizes the pivotal role of omics approaches in deepening our understanding of macroalgae's physiological and molecular characteristics. By highlighting the importance of omics, this review also advocates for continued exploration and utilization of these extraordinary marine organisms in diverse domains, including drug discovery, functional foods, and other industrial applications. The multifaceted potential of macroalgae warrants further research and development to unlock their full benefits and contribute to advancing global health and sustainable industries.
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Affiliation(s)
- Sivakumar Adarshan
- Department of Biotechnology, Alagappa University, Karaikudi 630003, Tamil Nadu, India;
| | - Vairavel Sivaranjani Sivani Sree
- Department of Biotechnology, Karunya Institute of Technology and Sciences, Coimbatore 641114, Tamil Nadu, India; (V.S.S.S.); (K.S.N.); (M.S.)
| | - Pandiyan Muthuramalingam
- Division of Horticultural Science, College of Agriculture and Life Sciences, Gyeongsang National University, Jinju 52725, Republic of Korea;
- Department of Oral and Maxillofacial Surgery, Saveetha Institute of Medical and Technical Sciences (SIMATS), Saveetha Dental College and Hospitals, Saveetha University, Chennai 600077, Tamil Nadu, India;
| | - Krishnanjana S Nambiar
- Department of Biotechnology, Karunya Institute of Technology and Sciences, Coimbatore 641114, Tamil Nadu, India; (V.S.S.S.); (K.S.N.); (M.S.)
| | - Murugan Sevanan
- Department of Biotechnology, Karunya Institute of Technology and Sciences, Coimbatore 641114, Tamil Nadu, India; (V.S.S.S.); (K.S.N.); (M.S.)
| | - Lakkakula Satish
- Applied Phycology and Biotechnology Division, Marine Algal Research Station, CSIR—Central Salt and Marine Chemicals Research Institute, Mandapam 623519, Tamil Nadu, India;
| | - Baskar Venkidasamy
- Department of Oral and Maxillofacial Surgery, Saveetha Institute of Medical and Technical Sciences (SIMATS), Saveetha Dental College and Hospitals, Saveetha University, Chennai 600077, Tamil Nadu, India;
| | - Peerzada Gh Jeelani
- Department of Biotechnology, Microbiology & Bioinformatics, National College Trichy, Tiruchirapalli 620001, Tamil Nadu, India;
| | - Hyunsuk Shin
- Division of Horticultural Science, College of Agriculture and Life Sciences, Gyeongsang National University, Jinju 52725, Republic of Korea;
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Khairinisa MA, Latarissa IR, Athaya NS, Charlie V, Musyaffa HA, Prasedya ES, Puspitasari IM. Potential Application of Marine Algae and Their Bioactive Metabolites in Brain Disease Treatment: Pharmacognosy and Pharmacology Insights for Therapeutic Advances. Brain Sci 2023; 13:1686. [PMID: 38137134 PMCID: PMC10741471 DOI: 10.3390/brainsci13121686] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2023] [Revised: 11/04/2023] [Accepted: 12/05/2023] [Indexed: 12/24/2023] Open
Abstract
Seaweeds, also known as edible marine algae, are an abundant source of phytosterols, carotenoids, and polysaccharides, among other bioactive substances. Studies conducted in the past few decades have demonstrated that substances derived from seaweed may be able to pass through the blood-brain barrier and act as neuroprotectants. According to preliminary clinical research, seaweed may also help prevent or lessen the symptoms of cerebrovascular illnesses by reducing mental fatigue, preventing endothelial damage to the vascular wall of brain vessels, and regulating internal pressure. They have the ability to control neurotransmitter levels, lessen neuroinflammation, lessen oxidative stress, and prevent the development of amyloid plaques. This review aims to understand the application potential of marine algae and their influence on brain development, highlighting the nutritional value of this "superfood" and providing current knowledge on the molecular mechanisms in the brain associated with their dietary introduction.
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Affiliation(s)
- Miski Aghnia Khairinisa
- Department of Pharmacology and Clinical Pharmacy, Faculty of Pharmacy, Padjadjaran University, Sumedang 45363, Indonesia; (I.R.L.); (N.S.A.); (V.C.); (H.A.M.); (I.M.P.)
- Centre of Excellence in Pharmaceutical Care Innovation, Padjadjaran University, Sumedang 45363, Indonesia
| | - Irma Rahayu Latarissa
- Department of Pharmacology and Clinical Pharmacy, Faculty of Pharmacy, Padjadjaran University, Sumedang 45363, Indonesia; (I.R.L.); (N.S.A.); (V.C.); (H.A.M.); (I.M.P.)
| | - Nadiyah Salma Athaya
- Department of Pharmacology and Clinical Pharmacy, Faculty of Pharmacy, Padjadjaran University, Sumedang 45363, Indonesia; (I.R.L.); (N.S.A.); (V.C.); (H.A.M.); (I.M.P.)
| | - Vandie Charlie
- Department of Pharmacology and Clinical Pharmacy, Faculty of Pharmacy, Padjadjaran University, Sumedang 45363, Indonesia; (I.R.L.); (N.S.A.); (V.C.); (H.A.M.); (I.M.P.)
| | - Hanif Azhar Musyaffa
- Department of Pharmacology and Clinical Pharmacy, Faculty of Pharmacy, Padjadjaran University, Sumedang 45363, Indonesia; (I.R.L.); (N.S.A.); (V.C.); (H.A.M.); (I.M.P.)
| | - Eka Sunarwidhi Prasedya
- Department of Biology, Faculty of Mathematics and Natural Sciences, University of Mataram, Mataram 83115, Indonesia;
- Bioscience and Biotechnology Research Centre, Faculty of Mathematics and Natural Sciences, University of Mataram, Mataram 83126, Indonesia
| | - Irma Melyani Puspitasari
- Department of Pharmacology and Clinical Pharmacy, Faculty of Pharmacy, Padjadjaran University, Sumedang 45363, Indonesia; (I.R.L.); (N.S.A.); (V.C.); (H.A.M.); (I.M.P.)
- Centre of Excellence in Pharmaceutical Care Innovation, Padjadjaran University, Sumedang 45363, Indonesia
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Kim TH, Heo SY, Han JS, Jung WK. Anti-inflammatory effect of polydeoxyribonucleotides (PDRN) extracted from red alga (Porphyra sp.) (Ps-PDRN) in RAW 264.7 macrophages stimulated with Escherichia coli lipopolysaccharides: A comparative study with commercial PDRN. Cell Biochem Funct 2023; 41:889-897. [PMID: 37589166 DOI: 10.1002/cbf.3840] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2023] [Revised: 07/23/2023] [Accepted: 08/07/2023] [Indexed: 08/18/2023]
Abstract
Polydeoxyribonucleotide (PDRN) is a DNA-derived drug extracted from the sperm cells of Oncorhynchus mykiss or O. keta. PDRN exhibits wound healing and anti-inflammatory activities by activating adenosine A2A receptor and salvage pathways. However, commercial PDRN products (e.g., Placentex, Rejuvenex, and HiDr) have limitations as they are exclusively extracted O. mykiss and O. keta, which are expensive and can only be used as extraction sources during a specific period when their sperm cells are activated. Therefore, this study aimed to extract PDRN from Porphyra sp. (Ps-PDRN) and investigate whether it has anti-inflammatory activity through a comparative study with commercial product. The results indicated that Ps-PDRN had an anti-inflammatory effect on Escherichia coli lipopolysaccharides (LPS)-stimulated RAW 264.7 macrophages. It inhibited nitric oxide production and inducible nitric oxygen synthase protein expression by suppressing phosphorylation of p38 and ERK, without cytotoxicity. Furthermore, Ps-PDRN promoted cell proliferation and collagen production in human dermal fibroblast. In conclusion, our study confirms that Ps-PDRN exhibits both anti-inflammatory and cell proliferative effects. These results indicated that Ps-PDRN has the potential as a bioactive drug for tissue engineering.
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Affiliation(s)
- Tae-Hee Kim
- Research Center for Marine-Integrated Bionics Technology, Pukyong National University, Busan, Republic of Korea
- Marine Integrated Biomedical Technology Center, The National Key Research Institutes in Universities, Pukyong National University, Busan, Republic of Korea
| | - Seong-Yeong Heo
- Jeju Marine Research Center, Korea Institute of Ocean Science & Technology (KIOST), Jeju, Republic of Korea
| | - Ji Sung Han
- All In One GENETECH, Busan, Republic of Korea
| | - Won-Kyo Jung
- Research Center for Marine-Integrated Bionics Technology, Pukyong National University, Busan, Republic of Korea
- Marine Integrated Biomedical Technology Center, The National Key Research Institutes in Universities, Pukyong National University, Busan, Republic of Korea
- Major of Biomedical Engineering, Division of Smart Healthcare, College of Information Technology and Convergence and New-senior Healthcare Innovation Center (BK21 Plus), Pukyong National University, Busan, Republic of Korea
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10
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Sun Y, Cui Y, Wang R, Ma J, Sun H, Cheng L, Yang R. The Hydrolysis of Pigment-Protein Phycoerythrin by Bromelain Enhances the Color Stability. Foods 2023; 12:2574. [PMID: 37444311 DOI: 10.3390/foods12132574] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2023] [Revised: 06/22/2023] [Accepted: 06/26/2023] [Indexed: 07/15/2023] Open
Abstract
Phycoerythrin (PE) is a natural protein-pigment complex with a strong pink color, but it is sensitive to thermal and light variations. In this study, PE was extracted from Porphyra haitanensis in a yield of 0.2% (w/w). The phycoerythrin hydrolysates (PEH) (3-10 kDa) were prepared by enzymatic hydrolysis of PE with bromelain (8000 U/g) at 47 °C for 30 min, with a degree of hydrolysis (DH) of 11.57 ± 0.39% and a color degradation rate of 7.98 ± 0.39%. The physicochemical properties of PEH were evaluated. The UV and fluorescence spectra indicated that bromelain changed the microenvironment around phycoerythrobilin (PEB). The infrared spectrum revealed that the bromelain hydrolysis increased the α-helix content of PEH. The scanning electron microscope showed that bromelain destroyed the dense and smooth structure of PE, resulting in irregular porous structures. The radical scavenging activities of DPPH and ABTS of PEH were increased relative to that of PE (p < 0.05). The thermal (50-80 °C)-, UV (0.5-3 h)-, visible light irradiation (2-8 h)-, and metal ion exposing stabilities of PEH were significantly improved (p < 0.05). This study provides a potential scheme for overcoming the sensitivity of PE to thermal and light variations and facilitates PEH as a natural colorant ingredient in food and pigment applications.
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Affiliation(s)
- Yifei Sun
- State Key Laboratory of Food Nutrition and Safety, College of Food Science and Technology, Tianjin University of Science & Technology, Tianjin 300457, China
| | - Yuanmeng Cui
- State Key Laboratory of Food Nutrition and Safety, College of Food Science and Technology, Tianjin University of Science & Technology, Tianjin 300457, China
| | - Ruhua Wang
- State Key Laboratory of Food Nutrition and Safety, College of Food Science and Technology, Tianjin University of Science & Technology, Tianjin 300457, China
| | - Junrui Ma
- State Key Laboratory of Food Nutrition and Safety, College of Food Science and Technology, Tianjin University of Science & Technology, Tianjin 300457, China
| | - Haili Sun
- State Key Laboratory of Food Nutrition and Safety, College of Food Science and Technology, Tianjin University of Science & Technology, Tianjin 300457, China
| | - Lei Cheng
- Beijing Engineering and Technology Research Center of Food Additives, Beijing Technology & Business University (BTBU), Beijing 100048, China
| | - Rui Yang
- State Key Laboratory of Food Nutrition and Safety, College of Food Science and Technology, Tianjin University of Science & Technology, Tianjin 300457, China
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11
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Veličković L, Simović A, Gligorijević N, Thureau A, Obradović M, Vasović T, Sotiroudis G, Zoumpanioti M, Brûlet A, Ćirković Veličković T, Combet S, Nikolić M, Minić S. Exploring and strengthening the potential of R-phycocyanin from Nori flakes as a food colourant. Food Chem 2023; 426:136669. [PMID: 37352716 DOI: 10.1016/j.foodchem.2023.136669] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2023] [Revised: 06/07/2023] [Accepted: 06/17/2023] [Indexed: 06/25/2023]
Abstract
This study aimed to purify, characterise and stabilise the natural food colourant, R-phycocyanin (R-PC), from the red algae Porphyra spp. (Nori). We purified R-PC from dried Nori flakes with a high purity ratio (A618/A280 ≥ 3.4) in native form (α-helix content 53%). SAXS measurements revealed that R-PC is trimeric ((αβ)3) in solution. The thermal denaturation of α-helix revealed one transition (Tm at 52 °C), while the pH stability study showed R-PC is stable in the pH range 4-8. The thermal treatment of R-PC at 60 °C has detrimental and irreversible effects on R-PC colour and antioxidant capacity (22 % of residual capacity). However, immobilisation of R-PC within calcium alginate beads completely preserves R-PC colour and mainly retains its antioxidant ability (78 % of residual capacity). Results give new insights into the stability of R-PC and preservation of its purple colour and bioactivity by encapsulation in calcium alginate beads.
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Affiliation(s)
- Luka Veličković
- University of Belgrade - Faculty of Chemistry, Center of Excellence for Molecular Food Sciences & Department of Biochemistry, Studentski trg 12-16, 11000 Belgrade, Serbia.
| | - Ana Simović
- University of Belgrade - Faculty of Chemistry, Center of Excellence for Molecular Food Sciences & Department of Biochemistry, Studentski trg 12-16, 11000 Belgrade, Serbia.
| | - Nikola Gligorijević
- University of Belgrade - Institute of Chemistry, Technology, and Metallurgy, National Institute of the Republic of Serbia, Department of Chemistry, Studentski trg 12-16, 11000 Belgrade, Serbia.
| | - Aurélien Thureau
- SWING Beamline, Synchrotron SOLEIL, Saint-Aubin BP 48, 91192 Gif-sur-Yvette, France.
| | - Milica Obradović
- University of Belgrade - Faculty of Chemistry, Center of Excellence for Molecular Food Sciences & Department of Biochemistry, Studentski trg 12-16, 11000 Belgrade, Serbia
| | - Tamara Vasović
- University of Belgrade - Faculty of Chemistry, Center of Excellence for Molecular Food Sciences & Department of Biochemistry, Studentski trg 12-16, 11000 Belgrade, Serbia
| | - Georgios Sotiroudis
- National Hellenic Research Foundation (NHRF), Institute of Chemical Biology, 48 Vassileos Constantinou Ave., Athens 11635, Greece.
| | - Maria Zoumpanioti
- National Hellenic Research Foundation (NHRF), Institute of Chemical Biology, 48 Vassileos Constantinou Ave., Athens 11635, Greece.
| | - Annie Brûlet
- Université Paris-Saclay, Laboratoire Léon-Brillouin, UMR12 CEA-CNRS, CEA-Saclay, Gif-sur-Yvette CEDEX, France.
| | - Tanja Ćirković Veličković
- University of Belgrade - Faculty of Chemistry, Center of Excellence for Molecular Food Sciences & Department of Biochemistry, Studentski trg 12-16, 11000 Belgrade, Serbia; Centre for Food Chemistry and Technology, Ghent University Global Campus, Incheon, South Korea; Department of Food Technology, Safety and Health, Faculty of Bioscience Engineering, Ghent University, Coupure Links 653, geb. A, B-9000 Ghent, Belgium; Serbian Academy of Sciences and Arts, 11000 Belgrade, Serbia.
| | - Sophie Combet
- Université Paris-Saclay, Laboratoire Léon-Brillouin, UMR12 CEA-CNRS, CEA-Saclay, Gif-sur-Yvette CEDEX, France.
| | - Milan Nikolić
- University of Belgrade - Faculty of Chemistry, Center of Excellence for Molecular Food Sciences & Department of Biochemistry, Studentski trg 12-16, 11000 Belgrade, Serbia.
| | - Simeon Minić
- University of Belgrade - Faculty of Chemistry, Center of Excellence for Molecular Food Sciences & Department of Biochemistry, Studentski trg 12-16, 11000 Belgrade, Serbia.
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12
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Lee H, Park DH, Kim EJ, Choi MJ. Freshness Analysis of Raw Laver ( Pyropia yenzoensis) Conserved under Supercooling Conditions. Foods 2023; 12:foods12030510. [PMID: 36766039 PMCID: PMC9913910 DOI: 10.3390/foods12030510] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2022] [Revised: 01/17/2023] [Accepted: 01/19/2023] [Indexed: 01/24/2023] Open
Abstract
Freezing raw laver is unsuitable for the laver industry due to process characteristics and economic problems. Therefore, this study attempted to investigate supercooled storage to extend the storage period without freezing, rather than refrigeration. To compare and analyze the storage ability of supercooling, the experiment was performed under refrigeration (5 °C), constant supercooling (CS, -2 °C), stepwise supercooling (SS, -2 °C), and freezing (-18 °C) conditions for 15 days, and the physicochemical changes according to the treatment and period were investigated. All SS samples, which were designed for stable supercooling, were kept in a supercooled state for 15 days. Two samples among the twelve total subjected to CS were frozen. At 9 days, the drip losses of the CS and SS samples were 6.32% and 6.48%, respectively, which was two times lower than that of refrigeration and three times lower than that of the frozen samples. The VBN of the refrigerated samples was 108.33 mg/100 g at 6 days, which exceeded the decomposition criterion. Simultaneously, the VBN of the other treatments was under the decomposition criterion of 30 mg/100 g. However, the VBN of both supercooling samples at 15 days increased to higher than the decomposition criterion. Regarding appearance, the refrigerated samples showed tissue destruction at 9 days, but tissue destruction of the CS and CC samples was observed at 15 days, and tissue destruction of the frozen samples was not observed until 15 days. Consequently, supercooling did not maintain quality for longer periods than freezing, but it did extend the shelf life more than refrigeration, and effectively preserved the quality for a short period.
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Affiliation(s)
- Hyeonbo Lee
- Department of Food Science and Biotechnology of Animal Resources, Konkuk University, Seoul 05029, Republic of Korea
| | - Dong Hyeon Park
- Kimchi Industry Promotion Division, Practical Technology Research Group, World Institute of Kimchi, Gwangju 61755, Republic of Korea
| | - Eun Jeong Kim
- Refrigerator Research of Engineering Division, Home Appliance and Air Solution Company, LG Electronics, Changwon 51533, Republic of Korea
| | - Mi-Jung Choi
- Department of Food Science and Biotechnology of Animal Resources, Konkuk University, Seoul 05029, Republic of Korea
- Correspondence: ; Tel.: +82-2-450-3048
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13
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Che S, Du G, Zhong X, Mo Z, Wang Z, Mao Y. Quantification of Photosynthetic Pigments in Neopyropia yezoensis Using Hyperspectral Imagery. PLANT PHENOMICS (WASHINGTON, D.C.) 2023; 5:0012. [PMID: 37040513 PMCID: PMC10076050 DOI: 10.34133/plantphenomics.0012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/31/2022] [Accepted: 11/17/2022] [Indexed: 06/19/2023]
Abstract
Phycobilisomes and chlorophyll-a (Chla) play important roles in the photosynthetic physiology of red macroalgae and serve as the primary light-harvesting antennae and reaction center for photosystem II. Neopyropia is an economically important red macroalga widely cultivated in East Asian countries. The contents and ratios of 3 main phycobiliproteins and Chla are visible traits to evaluate its commercial quality. The traditional analytical methods used for measuring these components have several limitations. Therefore, a high-throughput, nondestructive, optical method based on hyperspectral imaging technology was developed for phenotyping the pigments phycoerythrin (PE), phycocyanin (PC), allophycocyanin (APC), and Chla in Neopyropia thalli in this study. The average spectra from the region of interest were collected at wavelengths ranging from 400 to 1000 nm using a hyperspectral camera. Following different preprocessing methods, 2 machine learning methods, partial least squares regression (PLSR) and support vector machine regression (SVR), were performed to establish the best prediction models for PE, PC, APC, and Chla contents. The prediction results showed that the PLSR model performed the best for PE (R Test 2 = 0.96, MAPE = 8.31%, RPD = 5.21) and the SVR model performed the best for PC (R Test 2 = 0.94, MAPE = 7.18%, RPD = 4.16) and APC (R Test 2 = 0.84, MAPE = 18.25%, RPD = 2.53). Two models (PLSR and SVR) performed almost the same for Chla (PLSR: R Test 2 = 0.92, MAPE = 12.77%, RPD = 3.61; SVR: R Test 2 = 0.93, MAPE = 13.51%, RPD =3.60). Further validation of the optimal models was performed using field-collected samples, and the result demonstrated satisfactory robustness and accuracy. The distribution of PE, PC, APC, and Chla contents within a thallus was visualized according to the optimal prediction models. The results showed that hyperspectral imaging technology was effective for fast, accurate, and noninvasive phenotyping of the PE, PC, APC, and Chla contents of Neopyropia in situ. This could benefit the efficiency of macroalgae breeding, phenomics research, and other related applications.
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Affiliation(s)
- Shuai Che
- Key Laboratory of Marine Genetics and Breeding (Ministry of Education), College of Marine Life Sciences, Ocean University of China, Qingdao, 266003, China
| | - Guoying Du
- Key Laboratory of Marine Genetics and Breeding (Ministry of Education), College of Marine Life Sciences, Ocean University of China, Qingdao, 266003, China
| | - Xuefeng Zhong
- Key Laboratory of Marine Genetics and Breeding (Ministry of Education), College of Marine Life Sciences, Ocean University of China, Qingdao, 266003, China
| | - Zhaolan Mo
- Key Laboratory of Marine Genetics and Breeding (Ministry of Education), College of Marine Life Sciences, Ocean University of China, Qingdao, 266003, China
| | - Zhendong Wang
- Key Laboratory of Marine Genetics and Breeding (Ministry of Education), College of Marine Life Sciences, Ocean University of China, Qingdao, 266003, China
| | - Yunxiang Mao
- Key Laboratory of Utilization and Conservation of Tropical Marine Bioresource (Ministry of Education), College of Fisheries and Life Science, Hainan Tropical Ocean University, Sanya, 572002, China
- Yazhou Bay Innovation Institute, Hainan Tropical Ocean University, Sanya, 572025, China
- Laboratory for Marine Biology and Biotechnology, Pilot National Laboratory for Marine Science and Technology (Qingdao), Qingdao, 266073, China
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14
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Phenolic compounds of “blue food” Porphyra haitanensis: Chemical fingerprints, antioxidant activities, and in vitro antiproliferative activities against HepG2 cells. Food Res Int 2022; 162:112139. [DOI: 10.1016/j.foodres.2022.112139] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2022] [Revised: 10/19/2022] [Accepted: 11/13/2022] [Indexed: 11/19/2022]
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15
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Porphyra tenera Protects against PM2.5-Induced Cognitive Dysfunction with the Regulation of Gut Function. Mar Drugs 2022; 20:md20070439. [PMID: 35877732 PMCID: PMC9324924 DOI: 10.3390/md20070439] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2022] [Revised: 06/28/2022] [Accepted: 06/28/2022] [Indexed: 02/04/2023] Open
Abstract
To evaluate the biological effects of Porphyra tenera (P. tenera), we tried to confirm the possibility that the intake of P. tenera could modulate cognitive and intestinal functions in PM2.5-induced cognitive decline mice. P. tenera attenuated PM2.5-induced learning and memory impairment through antioxidant and anti-inflammatory effects by regulating the mitochondrial function and TLR-initiated NF-κB signaling. In addition, P. tenera effectively alleviated Aβ production/tau phosphorylation by inhibiting the JNK phosphorylation. Also, the bioactive constituents of P. tenera determined the sulfated galactan, mycosporine-like amino acids (MAAs), and chlorophyll derivatives. Moreover, the bioactive compounds of P. tenera by gut fermentation protected against gut dysbiosis and intestinal tight junction damage with a decrease in inflammatory response and short-chain fatty acid production. Based on these results, our findings suggest that P. tenera with sulfated galactan and MAAs is a potential material for cognitive function improvement.
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16
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Cheng X, Jiang J, Li C, Xue C, Kong B, Chang Y, Tang Q. The compound enzymatic hydrolysate of Neoporphyra haitanensis improved hyperglycemia and regulated the gut microbiome in high-fat diet-fed mice. Food Funct 2022; 13:6777-6791. [PMID: 35667104 DOI: 10.1039/d2fo00055e] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
We previously found that the combination of protease and a novel β-porphyranase Por16A_Wf may contribute to the deep-processing of laver. The purpose of the present study is to assess the hypoglycemic effect of the compound enzymatic hydrolysate (CEH) of Neoporphyra haitanensis. Thus, biochemical indexes related to diet-induced hyperglycemia were mainly detected using hematoxylin and eosin (H&E) staining, fluorescence quantitative PCR, and ultrahigh performance liquid chromatography-mass spectrometry (UPLC-MS). Then 16s rRNA gene sequencing was performed to analyze the effects of CEH on the gut microbiome in high-fat diet (HFD)-fed mice. The results suggested that CEH reduced the blood glucose level and alleviated insulin resistance. Possibly because CEH repressed intestinal α-glucosidase activity, inhibiting key enzymes (G6Pase and PEPCK) related to hepatic gluconeogenesis, and increased the expression of the enzyme (GLUT4) involved in peripheral glucose uptake. As potential indicators of hyperglycemia, total bile acids in the feces were reversed to the control levels after CEH intervention. Particularly, CEH decreased the content of tauro-α-muricholic acid (TαMCA) and ω-muricholic acid (ωMCA). Furthermore, CEH promoted the proliferation of beneficial bacteria (e.g. Parabacteroides), which may play a role in glycemic control. CEH also regulated the KEGG pathways associated with glycometabolism, such as "fructose and mannose metabolism". In summary, CEH supplementation has favorable effects on improving glucose metabolism and regulating the gut microbiome in HFD-fed mice. CEH has potential to be applied in the development of functional foods.
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Affiliation(s)
- Xiaojie Cheng
- College of Food Science and Engineering, Ocean University of China, Yushan Road, 5th, Qingdao, Shandong Province 266003, China.
| | - Jiali Jiang
- College of Food Science and Engineering, Ocean University of China, Yushan Road, 5th, Qingdao, Shandong Province 266003, China.
| | - Chunjun Li
- College of Food Science and Engineering, Ocean University of China, Yushan Road, 5th, Qingdao, Shandong Province 266003, China.
| | - Changhu Xue
- College of Food Science and Engineering, Ocean University of China, Yushan Road, 5th, Qingdao, Shandong Province 266003, China.
| | - Biao Kong
- College of Food Science and Engineering, Ocean University of China, Yushan Road, 5th, Qingdao, Shandong Province 266003, China.
| | - Yaoguang Chang
- College of Food Science and Engineering, Ocean University of China, Yushan Road, 5th, Qingdao, Shandong Province 266003, China.
| | - Qingjuan Tang
- College of Food Science and Engineering, Ocean University of China, Yushan Road, 5th, Qingdao, Shandong Province 266003, China.
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17
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Sinurat E, Fransiska D, Utomo BSB, Subaryono, Nurhayati, Sihono. Characteristics of Nori-Like Product Prepared from Seaweeds Growing in Indonesia. JOURNAL OF AQUATIC FOOD PRODUCT TECHNOLOGY 2022. [DOI: 10.1080/10498850.2022.2077677] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Affiliation(s)
- Ellya Sinurat
- Research Center for Marine and Fisheries Product Processing and Biotechnology, Jakarta, Indonesia
| | - Dina Fransiska
- Research Center for Marine and Fisheries Product Processing and Biotechnology, Jakarta, Indonesia
| | | | - Subaryono
- Research Center for Marine and Fisheries Product Processing and Biotechnology, Jakarta, Indonesia
| | - Nurhayati
- Research Center for Marine and Fisheries Product Processing and Biotechnology, Jakarta, Indonesia
| | - Sihono
- Research Center for Marine and Fisheries Product Processing and Biotechnology, Jakarta, Indonesia
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18
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Ge M, Shen J, Liu C, Xia W, Xu Y. Effect of acidification and thermal treatment on quality characteristics of high‐moisture laver (
Porphyra
spp.). J FOOD PROCESS PRES 2022. [DOI: 10.1111/jfpp.16762] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Mengmeng Ge
- State Key Laboratory of Food Science and Technology Jiangnan University Wuxi China
- School of Food Science and Technology Jiangnan University Wuxi China
| | - Jiandong Shen
- State Key Laboratory of Food Science and Technology Jiangnan University Wuxi China
- School of Food Science and Technology Jiangnan University Wuxi China
| | - Cikun Liu
- State Key Laboratory of Food Science and Technology Jiangnan University Wuxi China
- School of Food Science and Technology Jiangnan University Wuxi China
| | - Wenshui Xia
- State Key Laboratory of Food Science and Technology Jiangnan University Wuxi China
- School of Food Science and Technology Jiangnan University Wuxi China
| | - Yanshun Xu
- State Key Laboratory of Food Science and Technology Jiangnan University Wuxi China
- School of Food Science and Technology Jiangnan University Wuxi China
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19
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Preparation of rice paper enriched with laver (Pyropia sp.) and tapioca starch with process optimization using response surface methodology. Lebensm Wiss Technol 2022. [DOI: 10.1016/j.lwt.2022.113312] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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20
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Fu M, Cao S, Li J, Zhao S, Liu J, Zhuang M, Qin Y, Gao S, Sun Y, Kim JK, Zhang J, He P. Controlling the main source of green tides in the Yellow Sea through the method of biological competition. MARINE POLLUTION BULLETIN 2022; 177:113561. [PMID: 35305372 DOI: 10.1016/j.marpolbul.2022.113561] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/27/2021] [Revised: 03/08/2022] [Accepted: 03/11/2022] [Indexed: 06/14/2023]
Abstract
Macroalgal blooms have become a serious threat to public health, fisheries, ecosystems, and global economies. Since 2007, in the Yellow Sea, China, Ulva green tides have occurred for 15 consecutive years. However, effective control methods are limited. Ulva prolifera attached to Neopyropia aquaculture rafts are believed to be the main source of blooms, therefore eliminating Ulva from rafts could effectively prevent and control blooms. We investigated this phenomenon and showed that macroalgae germination was significantly inhibited by dried Neopyropia yezoensis at concentrations of 1.2, 2.4, and 4.8 g DW-1. Also, the inhibitory effects of dried N. yezoensis toward U. prolifera gametes at 2.4 and 4.8 g DW-1 were >90% at day 21. N. yezoensis culture filtrates and thalli were also used to determine dose-dependent inhibition effects on U. prolifera gamete germination. Both were potent and significantly inhibited germination at 1.75-7 g FW-1; the inhibitory effect 7 g FW-1 was >90% at day 21. As N. yezoensis thalli exhibited high inhibitory effects in laboratory experiments, we also performed field studies. N. yezoensis on ropes displayed high inhibitory effects on Ulva attachment and growth. Thus N. yezoensis powder, culture filtrates, and thalli displayed strong inhibitory effects on U. prolifera gametes, suggesting N. yezoensis attachment to ropes could be used to control green tides at the source.
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Affiliation(s)
- Meilin Fu
- College of Marine Ecology and Environment, Shanghai Ocean University, Shanghai 201306, China
| | - Shichao Cao
- College of Marine Ecology and Environment, Shanghai Ocean University, Shanghai 201306, China
| | - Jingshi Li
- College of Marine Resources & Environment, Hebei Normal University of Science & Technology, Qinhuangdao 066600, China
| | - Shuang Zhao
- College of Marine Ecology and Environment, Shanghai Ocean University, Shanghai 201306, China
| | - Jinlin Liu
- College of Marine Ecology and Environment, Shanghai Ocean University, Shanghai 201306, China
| | - Minmin Zhuang
- College of Marine Ecology and Environment, Shanghai Ocean University, Shanghai 201306, China
| | - Yutao Qin
- East China Sea Environmental Monitoring Center, State Oceanic Administration, Shanghai 201306, China
| | - Song Gao
- North China Sea Marine Forecasting Center, State Oceanic Administrator, Qingdao 266033, China
| | - Yuqing Sun
- College of Marine Ecology and Environment, Shanghai Ocean University, Shanghai 201306, China
| | - Jang Kyun Kim
- Department of Marine Science, School of Natural Sciences, Incheon National University, Incheon 22012, Republic of Korea
| | - Jianheng Zhang
- College of Marine Ecology and Environment, Shanghai Ocean University, Shanghai 201306, China; Co-Innovation Center of Jiangsu Marine Bio-industry Technology, Jiangsu Ocean University, Lianyungang 222005, China; Key Laboratory of Exploration and Utilization of Aquatic Genetic Resources, Ministry of Education, Shanghai Ocean University, Shanghai 201306, China.
| | - Peimin He
- College of Marine Ecology and Environment, Shanghai Ocean University, Shanghai 201306, China; Co-Innovation Center of Jiangsu Marine Bio-industry Technology, Jiangsu Ocean University, Lianyungang 222005, China; Key Laboratory of Exploration and Utilization of Aquatic Genetic Resources, Ministry of Education, Shanghai Ocean University, Shanghai 201306, China.
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21
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Choi SY, Lee SY, Kim HG, Jeong JC, Batara DC, Kim SH, Cho JY. Shinorine and porphyra-334 isolated from laver (Porphyra dentata) inhibit adipogenesis in 3T3-L1 cells. Food Sci Biotechnol 2022; 31:617-625. [PMID: 35529689 PMCID: PMC9033900 DOI: 10.1007/s10068-022-01055-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2022] [Revised: 02/13/2022] [Accepted: 02/17/2022] [Indexed: 12/11/2022] Open
Abstract
Mycosporine-like amino acids (MAAs) such as shinorine and porphyra-334 from Porphyra spp. are bioactive compounds with strong photoprotective and antioxidant properties. In this study, the anti-adipogenic effect of shinorine and porphyra-334 was examined in vitro utilizing 3T3-L1 preadipocytes. Shinorine and porphyra-334 were extracted from laver (Porphyra dentata) 50% methanolic (MeOH) extract of and their structures were elucidated by MS and NMR spectroscopy. Both compounds had no cytotoxic effect in 3T3-L1 cells (< 200 μg/mL) and inhibited the accumulation of lipid droplets in 3T3-L1 mature adipocytes in a dose-dependent manner (0.1 and 1.0 μM). Interestingly, both compounds had also significantly reduced the expression of adipogenic-related genes such as peroxisome proliferator-activated receptor γ2 (PPARγ2), CCAAT/enhancer-binding protein α (C/EBPα), adiponectin, and leptin in 3T3-L1 cells. The findings suggest that shinorine and porphyra-334 have the potential to inhibit adipogenesis in 3T3-L1 preadipocytes.
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Affiliation(s)
- Su-Young Choi
- Department of Animal Science, Chonnam National University, 77 Yongbongro, Gwangju, 61186 Republic of Korea
| | - Su Yeon Lee
- Department of Food Science and Technology, Chonnam National University, 77 Yongbongro, Gwangju, 61186 Republic of Korea
| | - Hyung Gyun Kim
- Mokpo Marine Food-Industry Research Center, Mokpo, 58621 Republic of Korea
| | - Jae Cheon Jeong
- Mokpo Marine Food-Industry Research Center, Mokpo, 58621 Republic of Korea
| | - Don Carlo Batara
- Department of Animal Science, Chonnam National University, 77 Yongbongro, Gwangju, 61186 Republic of Korea
| | - Sung-Hak Kim
- Department of Animal Science, Chonnam National University, 77 Yongbongro, Gwangju, 61186 Republic of Korea
| | - Jeong-Yong Cho
- Department of Food Science and Technology, Chonnam National University, 77 Yongbongro, Gwangju, 61186 Republic of Korea
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22
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Photosynthetic Protein-Based Edible Quality Formation in Various Porphyra dentata Harvests Determined by Label-Free Proteomics Analysis. Cells 2022; 11:cells11071136. [PMID: 35406700 PMCID: PMC8997503 DOI: 10.3390/cells11071136] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2022] [Revised: 03/18/2022] [Accepted: 03/25/2022] [Indexed: 12/04/2022] Open
Abstract
The influence of harvest time on the photosynthetic protein quality of the red alga Porphyra dentata was determined using label-free proteomics. Of 2716 differentially abundant proteins that were identified in this study, 478 were upregulated and 374 were downregulated. The top enriched Kyoto Encyclopedia of Genes and Genomes (KEGG) and gene ontology (GO) pathways were metabolic processes and biosynthetic pathways such as photosynthesis, light harvesting, and carbon fixation in photosynthetic organisms. Nine important photosynthetic proteins were screened. Correlations among their expression levels were contrasted and verified by western blotting. PSII D1 and 44-kDa protein levels increased with later harvest time and increased light exposure. Specific photoprotective protein expression accelerated P. dentata growth and development. Biological processes such as photosynthesis and carbon cycling increased carbohydrate metabolism and decreased the total protein content. The results of the present study provide a scientific basis for the optimization of the culture and harvest of P. dentata.
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23
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Jung H, Yoon WB, Matsukawa S. Effect of moisture uptake on the texture of dried laver Porphyra. (Nori) studied by mechanical characterization and NMR measurements. Food Hydrocoll 2022. [DOI: 10.1016/j.foodhyd.2021.107223] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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24
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Wang X, Liu J, Geng L, Yang Y, Wu N, Zhang Q, Wang J. Effects of Pyropia yezoensis enzymatic hydrolysate on the growth and immune regulation of the zebrafish. FISH & SHELLFISH IMMUNOLOGY 2022; 122:21-28. [PMID: 35091026 DOI: 10.1016/j.fsi.2022.01.033] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/24/2021] [Revised: 01/20/2022] [Accepted: 01/22/2022] [Indexed: 06/14/2023]
Abstract
The supplemental effect of Pyropia yezoensis enzymatic hydrolysate (PYE) in fish diet was evaluated in zebrafish (Danio rerio) model. A basal diet supplemented with PYE at 0, 0.1, 1.0 and 2.0% were fed to one-month old zebrafish for 6 weeks, its growth performance and immunity index were evaluated. The increase in weight gain was significantly higher when supplementary 1% PYE which shows a positive effect on growth performance of zebrafish. In addition, crude protein content of fish body was increased in all PYE supplemental groups. The innate immune responses and activity of digestive enzymes in zebrafish were enhanced with dietary supplementation of PYE additives. Compared with the control group, lysozyme (LYZ) and interleukin-10 (IL-10) content in zebrafish intestines were up-regulated in groups fed with 0.1% and 1% PYE. The mRNA expression levels of LYZ and IL-10 in zebrafish intestines were consistent with ELISA results. The content of tumor necrosis factor (TNF-α) reduced in 1% and 2% PYE groups. Furthermore, PYE down-regulated the relative abundance of pathogenic bacteria (Aeromonadaceae) and up-regulated the relative abundance of fish probiotics (Brevibacillus) in intestinal flora. The findings in this study indicated that PYE supplementation in diet could promote growth, improve immunity and regulate intestinal flora, which made PYE considered as an potential aquatic additive.
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Affiliation(s)
- Xiaoqing Wang
- CAS and Shandong Province Key Laboratory of Experimental Marine Biology, Center for Ocean Mega-Science, Institute of Oceanology, Chinese Academy of Sciences, Qingdao, 266071, China; Laboratory for Marine Biology and Biotechnology, Qingdao National Laboratory for Marine Science and Technology, Wenhai Road, Aoshanwei, Jimo, Qingdao, 266237, PR China; University of Chinese Academy of Sciences, Beijing, 100049, PR China
| | - Jing Liu
- CAS and Shandong Province Key Laboratory of Experimental Marine Biology, Center for Ocean Mega-Science, Institute of Oceanology, Chinese Academy of Sciences, Qingdao, 266071, China; Qing Dao agricultural university, Qingdao, 266109, PR China
| | - Lihua Geng
- CAS and Shandong Province Key Laboratory of Experimental Marine Biology, Center for Ocean Mega-Science, Institute of Oceanology, Chinese Academy of Sciences, Qingdao, 266071, China; Laboratory for Marine Biology and Biotechnology, Qingdao National Laboratory for Marine Science and Technology, Wenhai Road, Aoshanwei, Jimo, Qingdao, 266237, PR China
| | - Yue Yang
- CAS and Shandong Province Key Laboratory of Experimental Marine Biology, Center for Ocean Mega-Science, Institute of Oceanology, Chinese Academy of Sciences, Qingdao, 266071, China; Laboratory for Marine Biology and Biotechnology, Qingdao National Laboratory for Marine Science and Technology, Wenhai Road, Aoshanwei, Jimo, Qingdao, 266237, PR China
| | - Ning Wu
- CAS and Shandong Province Key Laboratory of Experimental Marine Biology, Center for Ocean Mega-Science, Institute of Oceanology, Chinese Academy of Sciences, Qingdao, 266071, China; Laboratory for Marine Biology and Biotechnology, Qingdao National Laboratory for Marine Science and Technology, Wenhai Road, Aoshanwei, Jimo, Qingdao, 266237, PR China
| | - Quanbin Zhang
- CAS and Shandong Province Key Laboratory of Experimental Marine Biology, Center for Ocean Mega-Science, Institute of Oceanology, Chinese Academy of Sciences, Qingdao, 266071, China; Laboratory for Marine Biology and Biotechnology, Qingdao National Laboratory for Marine Science and Technology, Wenhai Road, Aoshanwei, Jimo, Qingdao, 266237, PR China
| | - Jing Wang
- CAS and Shandong Province Key Laboratory of Experimental Marine Biology, Center for Ocean Mega-Science, Institute of Oceanology, Chinese Academy of Sciences, Qingdao, 266071, China; Laboratory for Marine Biology and Biotechnology, Qingdao National Laboratory for Marine Science and Technology, Wenhai Road, Aoshanwei, Jimo, Qingdao, 266237, PR China.
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25
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Impact of time and temperature on the physicochemical, microbiological, and nutraceutical properties of laver kombucha (Porphyra dentata) during fermentation. Lebensm Wiss Technol 2022. [DOI: 10.1016/j.lwt.2021.112643] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
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26
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Simovic A, Combet S, Cirkovic Velickovic T, Nikolic M, Minic S. Probing the stability of the food colourant R-phycoerythrin from dried Nori flakes. Food Chem 2021; 374:131780. [PMID: 34894468 DOI: 10.1016/j.foodchem.2021.131780] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2021] [Revised: 12/01/2021] [Accepted: 12/02/2021] [Indexed: 01/03/2023]
Abstract
This study aimed to characterise the stability of R-phycoerythrin (R-PE), a vivid natural colourant with emerging potential for application in the food industry. High-quality (A560/A280 ≥ 5), native (α-helix content 75%) R-PE was purified from commercial dried Nori (Porphyra sp.) flakes. Thermal unfolding revealed two transitions (at 56 and 72 °C), ascribed to different protein subunits. Contrary to elevated temperature, high-pressure (HP) treatment showed significant advantages: The R-PE unfolding was partly reversible and the colour bleaching was minimal. Binding of Cu2+ (6.3 × 105 M-1) and Zn2+ (1.7 × 103 M-1) influenced conformational changes in the protein tetrapyrrole chromophore without affecting R-PE structure and stability (colour). The results give new insights into the stability of R-PE suggesting its usefulness for the replacement of toxic synthetic dyes. Preservation of the red colour of R-PE could be considered in fortified food and beverages by HP processing. R-PE may act as a biosensor for Cu2+ in aquatic systems.
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Affiliation(s)
- Ana Simovic
- Centre of Excellence for Molecular Food Sciences & Department of Biochemistry, University of Belgrade, Faculty of Chemistry, Belgrade, Serbia
| | - Sophie Combet
- Université Paris-Saclay, Laboratoire Léon-Brillouin, UMR12 CEA-CNRS, CEA-Saclay, Gif-sur-Yvette CEDEX, France
| | - Tanja Cirkovic Velickovic
- Centre of Excellence for Molecular Food Sciences & Department of Biochemistry, University of Belgrade, Faculty of Chemistry, Belgrade, Serbia; Ghent University Global Campus, Yeonsu-gu, Incheon, South Korea; Faculty of Bioscience Engineering, Ghent University, Ghent, Belgium; Serbian Academy of Sciences and Arts, Belgrade, Serbia
| | - Milan Nikolic
- Centre of Excellence for Molecular Food Sciences & Department of Biochemistry, University of Belgrade, Faculty of Chemistry, Belgrade, Serbia.
| | - Simeon Minic
- Centre of Excellence for Molecular Food Sciences & Department of Biochemistry, University of Belgrade, Faculty of Chemistry, Belgrade, Serbia; Université Paris-Saclay, Laboratoire Léon-Brillouin, UMR12 CEA-CNRS, CEA-Saclay, Gif-sur-Yvette CEDEX, France.
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27
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Ashok T, Puttam H, Tarnate VCA, Jhaveri S, Avanthika C, Trejo Treviño AG, Sl S, Ahmed NT. Role of Vitamin B12 and Folate in Metabolic Syndrome. Cureus 2021; 13:e18521. [PMID: 34754676 PMCID: PMC8569690 DOI: 10.7759/cureus.18521] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/05/2021] [Indexed: 12/11/2022] Open
Abstract
Metabolic syndrome (MS) is a collection of pathological metabolic conditions that includes insulin resistance, central or abdominal obesity, dyslipidemia, and hypertension. It affects large populations worldwide, and its prevalence is rising exponentially. There is no specific mechanism that leads to the development of MS. Proposed hypotheses range from visceral adiposity being a key factor to an increase in very-low-density lipoprotein and fatty acid synthesis as the primary cause of MS. Numerous pharmaceutical therapies are widely available in the market for the treatment of the individual components of MS. The relationship between MS and vitamin B complex supplementation, specifically folic acid and vitamin B12, has been a subject of investigation worldwide, with several trials reporting a positive impact with vitamin supplementation on MS. In this study, an all-language literature search was conducted on Medline, Cochrane, Embase, and Google Scholar till September 2021. The following search strings and Medical Subject Headings (MeSH) terms were used: “Vitamin B12,” “Folate,” “Metabolic Syndrome,” and “Insulin Resistance.” We explored the literature on MS for its epidemiology, pathophysiology, newer treatment options, with a special focus on the effectiveness of supplementation with vitamins B9 and B12. According to the literature, vitamin B12 and folate supplementation, along with a host of novel therapies, has a considerable positive impact on MS. These findings must be kept in mind while designing newer treatment protocols in the future.
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Affiliation(s)
- Tejaswini Ashok
- Internal Medicine, Jagadguru Sri Shivarathreeshwara Medical College, Mysore, IND
| | - Harivarsha Puttam
- Internal Medicine, Employees' State Insurance Corporation Medical College and Hospital, Hyderabad, IND
| | | | - Sharan Jhaveri
- Internal Medicine, Smt. Nathiba Hargovandas Lakhmichand Municipal Medical College, Ahmedabad, IND
| | - Chaithanya Avanthika
- Medicine and Surgery, Karnataka Institute of Medical Sciences, Hubli, IND.,Pediatrics, Karnataka Institute of Medical Sciences, Hubli, IND
| | | | - Sandeep Sl
- Internal Medicine, SRM Medical College Hospital & Research Centre, Kattankulathur, IND
| | - Nazia T Ahmed
- Medicine, Shahabuddin Medical College and Hospital, Dhaka, BGD
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Li X, Sun X, Gao L, Xu J, Gao G. Effects of periodical dehydration on biomass yield and biochemical composition of the edible red alga Pyropia yezoensis grown at different salinities. ALGAL RES 2021. [DOI: 10.1016/j.algal.2021.102315] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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29
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Che S, Du G, Wang N, He K, Mo Z, Sun B, Chen Y, Cao Y, Wang J, Mao Y. Biomass estimation of cultivated red algae Pyropia using unmanned aerial platform based multispectral imaging. PLANT METHODS 2021; 17:12. [PMID: 33541365 PMCID: PMC7863433 DOI: 10.1186/s13007-021-00711-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/28/2020] [Accepted: 01/18/2021] [Indexed: 06/12/2023]
Abstract
BACKGROUND Pyropia is an economically advantageous genus of red macroalgae, which has been cultivated in the coastal areas of East Asia for over 300 years. Realizing estimation of macroalgae biomass in a high-throughput way would great benefit their cultivation management and research on breeding and phenomics. However, the conventional method is labour-intensive, time-consuming, manually destructive, and prone to human error. Nowadays, high-throughput phenotyping using unmanned aerial vehicle (UAV)-based spectral imaging is widely used for terrestrial crops, grassland, and forest, but no such application in marine aquaculture has been reported. RESULTS In this study, multispectral images of cultivated Pyropia yezoensis were taken using a UAV system in the north of Haizhou Bay in the midwestern coast of Yellow Sea. The exposure period of P. yezoensis was utilized to prevent the significant shielding effect of seawater on the reflectance spectrum. The vegetation indices of normalized difference vegetation index (NDVI), ratio vegetation index (RVI), difference vegetation index (DVI) and normalized difference of red edge (NDRE) were derived and indicated no significant difference between the time that P. yezoensis was completely exposed to the air and 1 h later. The regression models of the vegetation indices and P. yezoensis biomass per unit area were established and validated. The quadratic model of DVI (Biomass = - 5.550DVI2 + 105.410DVI + 7.530) showed more accuracy than the other index or indices combination, with the highest coefficient of determination (R2), root mean square error (RMSE), and relative estimated accuracy (Ac) values of 0.925, 8.06, and 74.93%, respectively. The regression model was further validated by consistently predicting the biomass with a high R2 value of 0.918, RMSE of 8.80, and Ac of 82.25%. CONCLUSIONS This study suggests that the biomass of Pyropia can be effectively estimated using UAV-based spectral imaging with high accuracy and consistency. It also implied that multispectral aerial imaging is potential to assist digital management and phenomics research on cultivated macroalgae in a high-throughput way.
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Affiliation(s)
- Shuai Che
- Key Laboratory of Marine Genetics and Breeding (Ministry of Education), College of Marine Life Sciences, Ocean University of China, Qingdao, 266003 People’s Republic of China
| | - Guoying Du
- Key Laboratory of Marine Genetics and Breeding (Ministry of Education), College of Marine Life Sciences, Ocean University of China, Qingdao, 266003 People’s Republic of China
| | - Ning Wang
- Xi’ an Ecotech Spectral Imaging and Eco-drone Remote Sensing Research Center Co., Ltd., Xi’ an, 710000 People’s Republic of China
| | - Kun He
- Xi’ an Ecotech Spectral Imaging and Eco-drone Remote Sensing Research Center Co., Ltd., Xi’ an, 710000 People’s Republic of China
| | - Zhaolan Mo
- Key Laboratory of Marine Genetics and Breeding (Ministry of Education), College of Marine Life Sciences, Ocean University of China, Qingdao, 266003 People’s Republic of China
| | - Bin Sun
- Key Laboratory of Marine Genetics and Breeding (Ministry of Education), College of Marine Life Sciences, Ocean University of China, Qingdao, 266003 People’s Republic of China
| | - Yu Chen
- Key Laboratory of Marine Genetics and Breeding (Ministry of Education), College of Marine Life Sciences, Ocean University of China, Qingdao, 266003 People’s Republic of China
| | - Yifei Cao
- Key Laboratory of Marine Genetics and Breeding (Ministry of Education), College of Marine Life Sciences, Ocean University of China, Qingdao, 266003 People’s Republic of China
| | - Junhao Wang
- Key Laboratory of Marine Genetics and Breeding (Ministry of Education), College of Marine Life Sciences, Ocean University of China, Qingdao, 266003 People’s Republic of China
| | - Yunxiang Mao
- Key Laboratory of Utilization and Conservation of Tropical Marine Bioresource (Ministry of Education), College of Fisheries and Life Science, Hainan Tropical Ocean University, Sanya, 572022 People’s Republic of China
- Laboratory for Marine Biology and Biotechnology, Pilot National Laboratory for Marine Science and Technology (Qingdao), Qingdao, 266000 People’s Republic of China
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30
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Porphyran and oligo-porphyran originating from red algae Porphyra: Preparation, biological activities, and potential applications. Food Chem 2021; 349:129209. [PMID: 33588184 DOI: 10.1016/j.foodchem.2021.129209] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2020] [Revised: 01/17/2021] [Accepted: 01/24/2021] [Indexed: 02/07/2023]
Abstract
Porphyra is one of the most economically important red algae in the world. The functional components extracted from Porphyra such as porphyrans, proteins, lipids, and minerals have strong physiological activities. Porphyran, a sulfated galactan, is composed of alternating 1,4-linked α-l-galactopyranose-6-sulfate (L6S) and 1,3-linked β-d-galactopyranose (G). Porphyran and oligo-porphyran have a series of pharmacological and biological functions, such as antioxidation, anticancer, antiaging, antiallergic, immunomodulatory, hypoglycaemic, and hypolipidemic effects. Thus, red algae Porphyra-derived porphyran and oligo-porphyran have various potential applications in food, medicine, and cosmetic fields. For better application, this review introduces and summarizes the structure and source of porphyran as well as the preparation methods, biological activities, and potential applications of porphyran and oligo-porphyran. Moreover, the future research directions and emphasis of porphyran and oligo-porphyran preparation as well as their functional activities and applications are highlighted and prospected.
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31
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Ishihara K, Seko T, Oyamada C, Kunitake H, Muraoka T. Synergistic effect of dietary glycerol galactoside and porphyran from nori on cecal immunoglobulin A levels in mice. FOOD SCIENCE AND TECHNOLOGY RESEARCH 2021. [DOI: 10.3136/fstr.27.95] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Affiliation(s)
- Kenji Ishihara
- Research Center for Biochemistry and Food Technology, National Research Institute of Fisheries Science
| | - Takuya Seko
- Research Center for Biochemistry and Food Technology, National Research Institute of Fisheries Science
| | - Chiaki Oyamada
- Research Center for Biochemistry and Food Technology, National Research Institute of Fisheries Science
| | - Hiromi Kunitake
- Food Science Research Division, Kumamoto Prefectural Fisheries Research Center
| | - Toshihiko Muraoka
- Food Science Research Division, Kumamoto Prefectural Fisheries Research Center
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32
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Patil V, Abate R, Wu W, Zhang J, Lin H, Chen C, Liang J, Sun L, Li X, Li Y, Gao Y. Allelopathic inhibitory effect of the macroalga Pyropia haitanensis (Rhodophyta) on harmful bloom-forming Pseudo-nitzschia species. MARINE POLLUTION BULLETIN 2020; 161:111752. [PMID: 33091839 DOI: 10.1016/j.marpolbul.2020.111752] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/09/2020] [Revised: 10/06/2020] [Accepted: 10/07/2020] [Indexed: 06/11/2023]
Abstract
The blooms of harmful microalgae represent a prominent threat to fisheries, public health, and economies throughout the world. Recent studies have shown that certain macroalgae release allelochemicals that can inhibit the growth of bloom-forming microalgae. In this study, we found that the macroalga Pyropia haitanensis significantly inhibited growth of the harmful bloom-forming microalgae Pseudo-nitzschia pungens and Pseudo-nitzschia multiseries. The inhibitory-effect of the live thali of P. haitanensis was highest, followed by that of dry powder, water-soluble extract, and culture medium filtrate. The Pseudo-nitzschia species died 96 h after exposure to 5-10 g fresh-weight L-1 of P. haitanensis live thalli. Furthermore, an aqueous extract of P. haitanensis suppressed the growth of P. pungens and P. multiseries, thereby indicating that P. haitanensis contains stable allelopathic substances that cause the observed inhibitory-effects. On the basis of these findings, we conclude that the macroalga P. haitanensis would have potential utility in controlling the blooms of Pseudo-nitzschia species.
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Affiliation(s)
- Vishal Patil
- School of Life Sciences and State Key Laboratory of Marine Environmental Science, Xiamen University, Xiamen 361102, China
| | - Rediat Abate
- School of Life Sciences and State Key Laboratory of Marine Environmental Science, Xiamen University, Xiamen 361102, China; Key Laboratory of the Ministry of Education for Coastal and Wetland Ecosystem, Xiamen University, Xiamen 361102, China
| | - Weiwei Wu
- School of Life Sciences and State Key Laboratory of Marine Environmental Science, Xiamen University, Xiamen 361102, China
| | - Jiawei Zhang
- School of Life Sciences and State Key Laboratory of Marine Environmental Science, Xiamen University, Xiamen 361102, China
| | - Huina Lin
- School of Life Sciences and State Key Laboratory of Marine Environmental Science, Xiamen University, Xiamen 361102, China
| | - Changping Chen
- School of Life Sciences and State Key Laboratory of Marine Environmental Science, Xiamen University, Xiamen 361102, China; Key Laboratory of the Ministry of Education for Coastal and Wetland Ecosystem, Xiamen University, Xiamen 361102, China
| | - Junrong Liang
- School of Life Sciences and State Key Laboratory of Marine Environmental Science, Xiamen University, Xiamen 361102, China; Key Laboratory of the Ministry of Education for Coastal and Wetland Ecosystem, Xiamen University, Xiamen 361102, China
| | - Lin Sun
- School of Life Sciences and State Key Laboratory of Marine Environmental Science, Xiamen University, Xiamen 361102, China
| | - Xuesong Li
- School of Life Sciences and State Key Laboratory of Marine Environmental Science, Xiamen University, Xiamen 361102, China
| | - Yang Li
- Guangzhou Key Laboratory of Subtropical Biodiversity and Biomonitoring, College of Life Science, South China Normal University, Guangzhou 510631, China
| | - Yahui Gao
- School of Life Sciences and State Key Laboratory of Marine Environmental Science, Xiamen University, Xiamen 361102, China; Key Laboratory of the Ministry of Education for Coastal and Wetland Ecosystem, Xiamen University, Xiamen 361102, China.
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33
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García-Poza S, Leandro A, Cotas C, Cotas J, Marques JC, Pereira L, Gonçalves AMM. The Evolution Road of Seaweed Aquaculture: Cultivation Technologies and the Industry 4.0. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2020; 17:E6528. [PMID: 32911710 PMCID: PMC7560192 DOI: 10.3390/ijerph17186528] [Citation(s) in RCA: 54] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/31/2020] [Revised: 08/31/2020] [Accepted: 09/01/2020] [Indexed: 12/12/2022]
Abstract
Seaweeds (marine macroalgae) are autotrophic organisms capable of producing many compounds of interest. For a long time, seaweeds have been seen as a great nutritional resource, primarily in Asian countries to later gain importance in Europe and South America, as well as in North America and Australia. It has been reported that edible seaweeds are rich in proteins, lipids and dietary fibers. Moreover, they have plenty of bioactive molecules that can be applied in nutraceutical, pharmaceutical and cosmetic areas. There are historical registers of harvest and cultivation of seaweeds but with the increment of the studies of seaweeds and their valuable compounds, their aquaculture has increased. The methodology of cultivation varies from onshore to offshore. Seaweeds can also be part of integrated multi-trophic aquaculture (IMTA), which has great opportunities but is also very challenging to the farmers. This multidisciplinary field applied to the seaweed aquaculture is very promising to improve the methods and techniques; this area is developed under the denominated industry 4.0.
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Affiliation(s)
- Sara García-Poza
- Department of Life Sciences, Marine and Environmental Sciences Centre (MARE), University of Coimbra, 3000-456 Coimbra, Portugal; (S.G.-P.); (A.L.); (J.C.); (J.C.M.); (L.P.)
| | - Adriana Leandro
- Department of Life Sciences, Marine and Environmental Sciences Centre (MARE), University of Coimbra, 3000-456 Coimbra, Portugal; (S.G.-P.); (A.L.); (J.C.); (J.C.M.); (L.P.)
| | - Carla Cotas
- LEPABE—Laboratory for Process Engineering, Environment, Biotechnology and Energy, Faculty of Engineering, University of Porto, 4200-465 Porto, Portugal;
| | - João Cotas
- Department of Life Sciences, Marine and Environmental Sciences Centre (MARE), University of Coimbra, 3000-456 Coimbra, Portugal; (S.G.-P.); (A.L.); (J.C.); (J.C.M.); (L.P.)
| | - João C. Marques
- Department of Life Sciences, Marine and Environmental Sciences Centre (MARE), University of Coimbra, 3000-456 Coimbra, Portugal; (S.G.-P.); (A.L.); (J.C.); (J.C.M.); (L.P.)
| | - Leonel Pereira
- Department of Life Sciences, Marine and Environmental Sciences Centre (MARE), University of Coimbra, 3000-456 Coimbra, Portugal; (S.G.-P.); (A.L.); (J.C.); (J.C.M.); (L.P.)
| | - Ana M. M. Gonçalves
- Department of Life Sciences, Marine and Environmental Sciences Centre (MARE), University of Coimbra, 3000-456 Coimbra, Portugal; (S.G.-P.); (A.L.); (J.C.); (J.C.M.); (L.P.)
- Department of Biology and CESAM, University of Aveiro, 3810-193 Aveiro, Portugal
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Zhang Y, Chang Y, Shen J, Mei X, Xue C. Characterization of a Novel Porphyranase Accommodating Methyl-galactoses at Its Subsites. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2020; 68:7032-7039. [PMID: 32520542 DOI: 10.1021/acs.jafc.0c02404] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Porphyran is the major polysaccharide of laver and mainly composed of 3-linked β-d-galactopyranose (G) and 4-linked α-l-galactopyranose-6-sulfate (L6S) units. Structural heterogeneity of porphyran highly originates from the natural methylation on the O-6 position of G units (GMe). Here, a GH16 porphyranase Por16C_Wf was cloned from a porphyran-related polysaccharide utilization locus of Wenyingzhuangia fucanilytica and expressed in Escherichia coli. It hydrolyzed porphyran in a random endo-acting manner. Using a glycomics strategy combining liquid chromatography-mass spectrometry and glycoinformatics, the subsite specificity was clarified. Por16C_Wf accommodated both G and GMe at subsites -1 and +2. This is the first report on the sequence of porphyranases hydrolyzing consecutive methyl-porphyranobiose moieties, which shed light on the diversity in subsite specificity of porphyranases. Por16C_Wf was the first characterized enzyme in subfamily 14 of the GH16 family. The defined and novel activity of Por16C_Wf implied that it could serve as a favorable tool in the full degradation and structural investigation of porphyran.
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Affiliation(s)
- Yuying Zhang
- College of Food Science and Engineering, Ocean University of China, 5 Yushan Road, Qingdao, Shandong 266003, People's Republic of China
| | - Yaoguang Chang
- College of Food Science and Engineering, Ocean University of China, 5 Yushan Road, Qingdao, Shandong 266003, People's Republic of China
- Laboratory for Marine Drugs and Bioproducts, Qingdao National Laboratory for Marine Science and Technology, 1 Wenhai Road, Qingdao, Shandong 266237, People's Republic of China
| | - Jingjing Shen
- College of Food Science and Engineering, Ocean University of China, 5 Yushan Road, Qingdao, Shandong 266003, People's Republic of China
| | - Xuanwei Mei
- College of Food Science and Engineering, Ocean University of China, 5 Yushan Road, Qingdao, Shandong 266003, People's Republic of China
| | - Changhu Xue
- College of Food Science and Engineering, Ocean University of China, 5 Yushan Road, Qingdao, Shandong 266003, People's Republic of China
- Laboratory for Marine Drugs and Bioproducts, Qingdao National Laboratory for Marine Science and Technology, 1 Wenhai Road, Qingdao, Shandong 266237, People's Republic of China
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35
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Effects of Porphyra tenera Supplementation on the Immune System: A Randomized, Double-Blind, and Placebo-Controlled Clinical Trial. Nutrients 2020; 12:nu12061642. [PMID: 32498269 PMCID: PMC7352330 DOI: 10.3390/nu12061642] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2020] [Revised: 05/21/2020] [Accepted: 05/29/2020] [Indexed: 12/24/2022] Open
Abstract
Objective: The purpose of this study was to determine if Porphyra tenera extract (PTE) has immune-enhancing effects and is safe in healthy adults. Methods: Subjects who met the inclusion criteria (3 × 103 ≤ peripheral blood leukocyte level ≥ 8 × 103 cells/µL) were recruited for this study. Enrolled subjects (n = 120) were randomly assigned to either the PTE group (n = 60) and were given 2.5 g/day of PTE (as PTE) in capsule form or the placebo group (n = 60) and were given crystal cellulose capsules with the identical appearance, weight, and flavor as the PTE capsules for 8 weeks. Outcomes were assessed based on measuring natural killer (NK) cell activity, cytokines level, and upper respiratory infection (URI), and safety parameters were assessed at baseline and 8 weeks. Results: Compared with baseline, NK cell activity (%) increased for all effector cell-to-target cell ratios in the PTE group after 8 weeks; however, changes were not observed in the placebo group (p < 0.10). Subgroup analysis of 101 subjects without URI showed that NK cell activity in the PTE group tended to increase for all effector cell/target cell (E:T) ratios (E:T = 12.5:1 p = 0.068; E:T = 25:1 p = 0.036; E:T = 50:1 p = 0.081) compared with the placebo group. A significant difference between the two groups was observed for the E:T = 25:1 ratio, which increased from 20.3 ± 12.0% at baseline to 23.2 ± 12.4% after 8 weeks in the PTE group (p = 0.036). A significant difference was not observed in cytokine between the two groups. Conclusion: PTE supplementation appears to enhance immune function by improving NK cell activity without adverse effects in healthy adults.
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Feng Z, Zhang T, Wang J, Huang W, Wang R, Xu J, Fu G, Gao G. Spatio-temporal features of microplastics pollution in macroalgae growing in an important mariculture area, China. THE SCIENCE OF THE TOTAL ENVIRONMENT 2020; 719:137490. [PMID: 32143099 DOI: 10.1016/j.scitotenv.2020.137490] [Citation(s) in RCA: 47] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/22/2019] [Revised: 02/19/2020] [Accepted: 02/20/2020] [Indexed: 06/10/2023]
Abstract
Macroalgae are being consumed by a growing number of people as functional food. Therefore, they are intensively cultivated to meet the rising demand. Mariculture is a potential source of microplastics (MPs). However, as a potential source of microplastics, little is known regarding the MPs pollution in macroalgae of open sea macriculture. Here we investigated the MPs characteristics in macroalgae in three sections of Haizhou Bay, an important mariculture area in China, during Pyropia culture (Pyropia yezoensis) and non-culture periods (Ulva prolifera, Sargassum horneri, Cladophora sp., Undaria pinnatifida, Ulva pertusa). It was found that P. yezoensis during the culture period had higher MPs abundance (0.17 ± 0.08 particles g-1fresh weight) than other macroalgae (0.12 ± 0.09 particles g-1 fresh weight) during the non-culture period, particularly for the nearshore sections. There were more fiber MPs in P. yezoensis (90.43%) in culture period compared to macroalgae (84.46%) in non-culture period. Highly similar spectrum of plastics in culture gears and macroalgae was verified. Pyropia culture gears released about 1, 037 tons plastics into the environment annually and the MPs abundances in seawater during the culture and non-culture periods were 1.04 ± 0.32 and 1.86 ± 0.49 particles L-1, respectively. The gap of MPs abundance between the two periods can be attributed to the tremendous trapping by massive biomass of P. yezoensis during the culture period and the continuous plastic release during the non-culture period. This study indicates that culture gears of macroalgae could be an important MPs source and the MPs can be transferred to human by edible macroalgae, and meanwhile macroalgae may be ideal biomonitors for MPs pollution in seawater due to their unbiased trapping and immovability.
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Affiliation(s)
- Zhihua Feng
- Jiangsu Key Laboratory of Marine Bioresources and Environment, Jiangsu Ocean University, Lianyungang 222005, China; Co-Innovation Center of Jiangsu Marine Bio-industry Technology, Jiangsu Ocean University, Lianyungang 222005, China.
| | - Tao Zhang
- Jiangsu Key Laboratory of Marine Bioresources and Environment, Jiangsu Ocean University, Lianyungang 222005, China; Co-Innovation Center of Jiangsu Marine Bio-industry Technology, Jiangsu Ocean University, Lianyungang 222005, China
| | - Jiaxuan Wang
- Jiangsu Key Laboratory of Marine Bioresources and Environment, Jiangsu Ocean University, Lianyungang 222005, China
| | - Wei Huang
- Key Laboratory of Marine Ecosystem and Biogeochemistry, Second Institute of Oceanography, Ministry of Natural Resources, Hangzhou 310012, China
| | - Rui Wang
- Jiangsu Key Laboratory of Marine Bioresources and Environment, Jiangsu Ocean University, Lianyungang 222005, China
| | - Juntian Xu
- Jiangsu Key Laboratory of Marine Bioresources and Environment, Jiangsu Ocean University, Lianyungang 222005, China; Co-Innovation Center of Jiangsu Marine Bio-industry Technology, Jiangsu Ocean University, Lianyungang 222005, China
| | - Guanghui Fu
- Lianyungang Oceanic and Fishery Development Center, Lianyungang Oceanic and Fishery Bureau, Lianyungang 222005, China
| | - Guang Gao
- Jiangsu Key Laboratory of Marine Bioresources and Environment, Jiangsu Ocean University, Lianyungang 222005, China; State Key Laboratory of Marine Environmental Science, Xiamen University, Xiamen 361005, China.
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Geng L, Wang J, Zhang Z, Yue Y, Zhang Q. Structure and Bioactivities of Porphyrans and Oligoporphyrans. Curr Pharm Des 2020; 25:1163-1171. [PMID: 31208306 DOI: 10.2174/1381612825666190430111725] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2019] [Accepted: 04/19/2019] [Indexed: 01/13/2023]
Abstract
BACKGROUND Pyropia (Porphyra), commonly known as nori or laver, is an important food source in many parts of the world. Edible dried Pyropia contains numerous nutrients and biofunctional components, including proteins, vitamins, eicosapentaenoic acid, minerals, carotenoids, mycosporine-like amino acids, and carbohydrate, and one of the compounds which we are interested in is porphyran, a sulfated polysaccharide comprising the hot-water-soluble portion of Pyropia cell walls. Researchers have performed a large number of in-depth studies on the biological activity and potential therapeutic applications of porphyrans and oligoporphyrans. METHODS This mini review aims to provide comprehensive and update overview on the source, extraction, structure, biological activities and structure-activity relationships of porphyrans and oligoporphyrans based on the studies in the past 30 years which were included in Web of Science. RESULTS The structure of porphyran has been basically determined given that its straight chain is relatively simple, and the skeleton structure has been described. The extraction methods were simplified continuously, but different extraction methods and post- processing methods still had great influence on the structure and composition of porphyran, so there was no standardized extraction process which can achieve quality control until now. In order to obtain oligoporphyrans, there are a variety of degradation methods, including chemical method, physical method and enzymatic method, but it is worth mentioning that specific degradation enzyme is still unavailable. Studies on the biological and pharmacology properties include antioxidant, anti-tumor, anti-inflammatory, immunomodulation, anti-cardiovascular and cerebrovascular diseases and drug delivery. CONCLUSION Owing to the therapeutic potential and drug delivery applications, porphyran and oligoporphyrans are expected to be further developed as a medicine against human diseases, as well as a supplement in cosmetics and health products.
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Affiliation(s)
- Lihua Geng
- CAS Key Laboratory of Experimental Marine Biology, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China.,Laboratory for Marine Biology and Biotechnology, Qingdao National Laboratory for Marine Science and Technology, Qingdao, China.,Center for Ocean Mega-Science, Chinese Academy of Sciences, 7 Nanhai Road, Qingdao, 266071, China
| | - Jing Wang
- CAS Key Laboratory of Experimental Marine Biology, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China.,Laboratory for Marine Biology and Biotechnology, Qingdao National Laboratory for Marine Science and Technology, Qingdao, China.,Center for Ocean Mega-Science, Chinese Academy of Sciences, 7 Nanhai Road, Qingdao, 266071, China
| | - Zhongshan Zhang
- Department of Pharmacology, Huzhou University, Huzhou 313000, China
| | - Yang Yue
- CAS Key Laboratory of Experimental Marine Biology, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China.,Laboratory for Marine Biology and Biotechnology, Qingdao National Laboratory for Marine Science and Technology, Qingdao, China.,Center for Ocean Mega-Science, Chinese Academy of Sciences, 7 Nanhai Road, Qingdao, 266071, China
| | - Quanbin Zhang
- CAS Key Laboratory of Experimental Marine Biology, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China.,Laboratory for Marine Biology and Biotechnology, Qingdao National Laboratory for Marine Science and Technology, Qingdao, China.,Center for Ocean Mega-Science, Chinese Academy of Sciences, 7 Nanhai Road, Qingdao, 266071, China
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Banach JL, Hoek‐van den Hil EF, Fels‐Klerx HJ. Food safety hazards in the European seaweed chain. Compr Rev Food Sci Food Saf 2020; 19:332-364. [DOI: 10.1111/1541-4337.12523] [Citation(s) in RCA: 62] [Impact Index Per Article: 15.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2019] [Revised: 09/19/2019] [Accepted: 12/03/2019] [Indexed: 01/09/2023]
Affiliation(s)
- J. L. Banach
- Wageningen Food Safety ResearchWageningen University and Research Wageningen The Netherlands
| | - E. F. Hoek‐van den Hil
- Wageningen Food Safety ResearchWageningen University and Research Wageningen The Netherlands
| | - H. J. Fels‐Klerx
- Wageningen Food Safety ResearchWageningen University and Research Wageningen The Netherlands
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Vitamin K as a Diet Supplement with Impact in Human Health: Current Evidence in Age-Related Diseases. Nutrients 2020; 12:nu12010138. [PMID: 31947821 PMCID: PMC7019739 DOI: 10.3390/nu12010138] [Citation(s) in RCA: 62] [Impact Index Per Article: 15.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2019] [Revised: 12/24/2019] [Accepted: 12/31/2019] [Indexed: 12/12/2022] Open
Abstract
Vitamin K health benefits have been recently widely shown to extend beyond blood homeostasis and implicated in chronic low-grade inflammatory diseases such as cardiovascular disease, osteoarthritis, dementia, cognitive impairment, mobility disability, and frailty. Novel and more efficient nutritional and therapeutic options are urgently needed to lower the burden and the associated health care costs of these age-related diseases. Naturally occurring vitamin K comprise the phylloquinone (vitamin K1), and a series of menaquinones broadly designated as vitamin K2 that differ in source, absorption rates, tissue distribution, bioavailability, and target activity. Although vitamin K1 and K2 sources are mainly dietary, consumer preference for diet supplements is growing, especially when derived from marine resources. The aim of this review is to update the reader regarding the specific contribution and effect of each K1 and K2 vitamers in human health, identify potential methods for its sustainable and cost-efficient production, and novel natural sources of vitamin K and formulations to improve absorption and bioavailability. This new information will contribute to foster the use of vitamin K as a health-promoting supplement, which meets the increasing consumer demand. Simultaneously, relevant information on the clinical context and direct health consequences of vitamin K deficiency focusing in aging and age-related diseases will be discussed.
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Cho TJ, Rhee MS. Health Functionality and Quality Control of Laver ( Porphyra, Pyropia): Current Issues and Future Perspectives as an Edible Seaweed. Mar Drugs 2019; 18:E14. [PMID: 31877971 PMCID: PMC7024182 DOI: 10.3390/md18010014] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2019] [Revised: 12/20/2019] [Accepted: 12/20/2019] [Indexed: 12/11/2022] Open
Abstract
The growing interest in laver as a food product and as a source of substances beneficial to health has led to global consumer demand for laver produced in a limited area of northeastern Asia. Here we review research into the benefits of laver consumption and discuss future perspectives on the improvement of laver product quality. Variation in nutritional/functional values among product types (raw and processed (dried, roasted, or seasoned) laver) makes product-specific nutritional analysis a prerequisite for accurate prediction of health benefits. The effects of drying, roasting, and seasoning on the contents of both beneficial and harmful substances highlight the importance of managing laver processing conditions. Most research into health benefits has focused on substances present at high concentrations in laver (porphyran, Vitamin B12, taurine), with assessment of the expected effects of laver consumption. Mitigation of chemical/microbiological risks and the adoption of novel technologies to exploit under-reported biochemical characteristics of lavers are suggested as key strategies for the further improvement of laver product quality. Comprehensive analysis of the literature regarding laver as a food product and as a source of biomedical compounds highlights the possibilities and challenges for application of laver products.
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Affiliation(s)
| | - Min Suk Rhee
- Department of Biotechnology, College of Life Sciences and Biotechnology, Korea University, 145, Anam-ro, Seongbuk-gu, Seoul 02841, Korea;
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Zhang Y, Chang Y, Shen J, Xue C. Expression and Characterization of a Novel β-Porphyranase from Marine Bacterium Wenyingzhuangia fucanilytica: A Biotechnological Tool for Degrading Porphyran. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2019; 67:9307-9313. [PMID: 31352784 DOI: 10.1021/acs.jafc.9b02941] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Porphyra is one of the most consumed types of red algae. Porphyran is the major polysaccharide extracted from Porphyra, and it is composed of alternating 4-linked α-l-galactopyranose-6-sulfate (L6S) and 3-linked β-d-galactopyranose (G) residues. β-Porphyranases are promising tools for degrading porphyran; however, few enzymes have been reported, and the biochemical properties of porphyranases are still unclear. Here, a novel GH16 β-porphyranase, designated as Por16A_Wf, was cloned from Wenyingzhuangia fucanilytica and expressed in Escherichia coli. Its biochemical properties and hydrolysis pattern were characterized. Por16A_Wf exhibited stable activity on a wide pH scale from 3.5 to 11.0. Glycomics analysis using LC-MS revealed that Por16A_Wf specifically hydrolyzed the glycosidic linkage of G-L6S, whereas it tolerated 3,6-anhydro-α-l-galactopyranose and methyl-d-galactose in -2 and +2 subsites, respectively. Por16A_Wf could be applied as a biotechnological tool for tailoring porphyran, which would serve in directional preparation of its disaccharide, producing products with various molecular weights and facilitating investigation of the structural heterogeneity of Porphyra polysaccharides.
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Affiliation(s)
- Yuying Zhang
- College of Food Science and Engineering , Ocean University of China , 5 Yushan Road , Qingdao 266003 , China
| | - Yaoguang Chang
- College of Food Science and Engineering , Ocean University of China , 5 Yushan Road , Qingdao 266003 , China
- Laboratory for Marine Drugs and Bioproducts , Qingdao National Laboratory for Marine Science and Technology , Qingdao 266237 , China
| | - Jingjing Shen
- College of Food Science and Engineering , Ocean University of China , 5 Yushan Road , Qingdao 266003 , China
| | - Changhu Xue
- College of Food Science and Engineering , Ocean University of China , 5 Yushan Road , Qingdao 266003 , China
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Gao G, Gao Q, Bao M, Xu J, Li X. Nitrogen availability modulates the effects of ocean acidification on biomass yield and food quality of a marine crop Pyropia yezoensis. Food Chem 2018; 271:623-629. [PMID: 30236725 DOI: 10.1016/j.foodchem.2018.07.090] [Citation(s) in RCA: 36] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2018] [Revised: 06/28/2018] [Accepted: 07/15/2018] [Indexed: 02/05/2023]
Abstract
Pyropia yezoensis is an important marine crop in the world. We cultured it under two levels of partial pressure of carbon dioxide (pCO2) (408 (LC), 998 (HC) μatm) and nitrate (30 (LN) and 500 (HN) μmol L-1) to investigate the effect of ocean acidification on its growth and food quality under changing nitrogen supply. HC decreased growth rate of P. yezoensis under LN but did not affect it under HN. Phycoerythrin and phycocyanin were enhanced by HC, particularly at HN, which contributed to the darker color. HC stimulated the synthesis of sweat amino acids regardless of nitrate condition and umami amino acid only under LN. HN increased the content of umami amino acids regardless of pCO2 condition and sweet amino acids only under HC. Our findings indicate that future ocean acidification may reduce biomass yield of P. yezoensis but increase its color and flavor, which was regulated by nitrate availability.
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Affiliation(s)
- Guang Gao
- Jiangsu Key Laboratory of Marine Bioresources and Environment, Huaihai Institute of Technology, Lianyungang 222005, China; Co-Innovation Center of Jiangsu Marine Bio-industry Technology, Huaihai Institute of Technology, Lianyungang 222005, China
| | - Qi Gao
- Jiangsu Key Laboratory of Marine Bioresources and Environment, Huaihai Institute of Technology, Lianyungang 222005, China
| | - Menglin Bao
- Jiangsu Key Laboratory of Marine Bioresources and Environment, Huaihai Institute of Technology, Lianyungang 222005, China; Co-Innovation Center of Jiangsu Marine Bio-industry Technology, Huaihai Institute of Technology, Lianyungang 222005, China
| | - Juntian Xu
- Jiangsu Key Laboratory of Marine Bioresources and Environment, Huaihai Institute of Technology, Lianyungang 222005, China; Co-Innovation Center of Jiangsu Marine Bio-industry Technology, Huaihai Institute of Technology, Lianyungang 222005, China
| | - Xinshu Li
- Jiangsu Key Laboratory of Marine Bioresources and Environment, Huaihai Institute of Technology, Lianyungang 222005, China; Co-Innovation Center of Jiangsu Marine Bio-industry Technology, Huaihai Institute of Technology, Lianyungang 222005, China.
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