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Almeida HHS, Crugeira PJL, Amaral JS, Rodrigues AE, Barreiro MF. Disclosing the potential of Cupressus leylandii A.B. Jacks & Dallim, Eucalyptus globulus Labill., Aloysia citrodora Paláu, and Melissa officinalis L. hydrosols as eco-friendly antimicrobial agents. NATURAL PRODUCTS AND BIOPROSPECTING 2024; 14:1. [PMID: 38163838 PMCID: PMC10758378 DOI: 10.1007/s13659-023-00417-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/26/2023] [Accepted: 11/06/2023] [Indexed: 01/03/2024]
Abstract
Antimicrobial resistance is a major global health concern, threatening the effective prevention and treatment of infections caused by microorganisms. These factors boosted the study of safe and green alternatives, with hydrosols, the by-products of essential oils extraction, emerging as promising natural antimicrobial agents. In this context, four hydrosols obtained from Cupressus leylandii A.B. Jacks & Dallim, Eucalyptus globulus Labill., Aloysia citrodora Paláu and Melissa officinalis L. were studied. Their chemical composition comprises neral, geranial, 1,8-cineole, terpinen-4-ol, and oplopanonyl acetate, compounds with recognised antimicrobial activity. Concerning antimicrobial activity, significant differences were found using different hydrosol concentrations (10-20% v/v) in comparison to a control (without hydrosol), showing the potential of the tested hydrosols to inhibit the microbial growth of Escherichia coli, Staphylococcus aureus, and Candida albicans. A. citrodora hydrosol was the most effective one, inhibiting 90% of E. coli growth and 80% of C. albicans growth, for both hydrosol concentrations (p < 0.0001). With hydrosol concentration increase, it was possible to observe an improved antimicrobial activity with significant reductions (p < 0.0001). The findings of this work indicate the viability of reusing and valuing the hydrosols, encouraging the development of green applications for different fields (e.g., food, agriculture, pharmaceuticals, and cosmetics).
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Affiliation(s)
- Heloísa H S Almeida
- Centro de Investigação de Montanha (CIMO), Instituto Politécnico de Bragança, Campus de Santa Apolónia, 5300-252, Bragança, Portugal
- Laboratório Associado Para a Sustentabilidade Em Regiões de Montanha (SusTEC), Instituto Politécnico de Bragança, Campus de Santa Apolónia, 5300-252, Bragança, Portugal
- Laboratory of Separation and Reaction Engineering-Laboratory of Catalysis and Materials (LSRE-LCM), Faculty of Engineering, University of Porto, Rua Dr. Roberto Frias, 4200-465, Porto, Portugal
- Associate Laboratory in Chemical Engineering (ALiCE), Faculty of Engineering, University of Porto, Rua Dr. Roberto Frias, 4200-465, Porto, Portugal
| | - Pedro J L Crugeira
- Centro de Investigação de Montanha (CIMO), Instituto Politécnico de Bragança, Campus de Santa Apolónia, 5300-252, Bragança, Portugal
- Laboratório Associado Para a Sustentabilidade Em Regiões de Montanha (SusTEC), Instituto Politécnico de Bragança, Campus de Santa Apolónia, 5300-252, Bragança, Portugal
| | - Joana S Amaral
- Centro de Investigação de Montanha (CIMO), Instituto Politécnico de Bragança, Campus de Santa Apolónia, 5300-252, Bragança, Portugal
- Laboratório Associado Para a Sustentabilidade Em Regiões de Montanha (SusTEC), Instituto Politécnico de Bragança, Campus de Santa Apolónia, 5300-252, Bragança, Portugal
| | - Alírio E Rodrigues
- Laboratory of Separation and Reaction Engineering-Laboratory of Catalysis and Materials (LSRE-LCM), Faculty of Engineering, University of Porto, Rua Dr. Roberto Frias, 4200-465, Porto, Portugal
- Associate Laboratory in Chemical Engineering (ALiCE), Faculty of Engineering, University of Porto, Rua Dr. Roberto Frias, 4200-465, Porto, Portugal
| | - Maria-Filomena Barreiro
- Centro de Investigação de Montanha (CIMO), Instituto Politécnico de Bragança, Campus de Santa Apolónia, 5300-252, Bragança, Portugal.
- Laboratório Associado Para a Sustentabilidade Em Regiões de Montanha (SusTEC), Instituto Politécnico de Bragança, Campus de Santa Apolónia, 5300-252, Bragança, Portugal.
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2
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Wang XY, Li BT, Wen ZQ. Volatile constituents of the leaf and fruit essential oils of Litsea cubeba (Lour.) Pers. growing wild in Baoshan region, China. Nat Prod Res 2023:1-7. [PMID: 37746728 DOI: 10.1080/14786419.2023.2261137] [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: 07/13/2023] [Accepted: 09/13/2023] [Indexed: 09/26/2023]
Abstract
The chemical composition of the essential oil from the fruits and leaves of Litsea cubeba (Lour.) Pers. (Lauraceae) growing wild in Baoshan region, Yunnan Province of China was investigated for the first time in 5.36% and 2.16% (w/w) yields, respectively, when analysed by GC and GC/MS. Ten and 25 components were identified in the fruit and leaf oils which constituted 99.15% and 99.4% of the oils. Of the fruit oil, the major components were neral (36.51%), geranial (44.23%), and citronella (8.77%). The major components of the leaf oil were linalool (67.37%), limonene (6.37%), β-bisabolene (6.03%), neral (5.86%), and caryophyllene oxide (3.20%). The analysis of the essential oil obtained from Baoshan revealed a significant abundance of citral and linalool in the fruits and leaves, respectively. This was the first Litsea species to exhibit β-bisabolene as the principal constituent.
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Affiliation(s)
- Xin-Yi Wang
- No. 1 School of Clinical Medicine, Kunming Medical University, Kunming, P. R. China
| | - Bi-Tao Li
- First Affiliated Hospital of Kunming Medical University, Kunming, P. R. China
| | - Zheng-Qi Wen
- First Affiliated Hospital of Kunming Medical University, Kunming, P. R. China
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3
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Liao S, Tian L, Qi Q, Hu L, Wang M, Gao C, Cui H, Gai Z, Gong G. Transcriptome Analysis of Protocatechualdehyde against Listeria monocytogenes and Its Effect on Chicken Quality Characteristics. Foods 2023; 12:2625. [PMID: 37444363 DOI: 10.3390/foods12132625] [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: 06/06/2023] [Revised: 06/29/2023] [Accepted: 07/05/2023] [Indexed: 07/15/2023] Open
Abstract
The development of natural antimicrobial agents offers new strategies for food preservation due to the health hazards associated with the spoilage of meat products caused by microbial contamination. In this paper, the inhibitory mechanism of protocatechualdehyde (PCA) on Listeria monocytogenes was described, and its effect on the preservation of cooked chicken breast was evaluated. The results showed that the minimal inhibitory concentration (MIC) of PCA on L. monocytogenes was 0.625 mg/mL. Secondly, PCA destroyed the integrity of the L. monocytogenes cell membrane, which was manifested as a decrease in membrane hyperpolarization, intracellular ATP level, and intracellular pH value. Field emission gun scanning electron microscopy (FEG-SEM) observed a cell membrane rupture. Transcriptome analysis showed that PCA may inhibit cell growth by affecting amino acid, nucleotide metabolism, energy metabolism, and the cell membrane of L. monocytogenes. Additionally, it was discovered that PCA enhanced the color and texture of cooked chicken breast meat while decreasing the level of thiobarbituric acid active substance (TBARS). In conclusion, PCA as a natural antibacterial agent has a certain reference value in extending the shelf life of cooked chicken breast.
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Affiliation(s)
- Sichen Liao
- School of Food Science and Engineering, Shaanxi University of Science and Technology, Xi'an 710021, China
| | - Lu Tian
- School of Food Science and Engineering, Shaanxi University of Science and Technology, Xi'an 710021, China
| | - Qi Qi
- School of Food Science and Engineering, Shaanxi University of Science and Technology, Xi'an 710021, China
| | - Lemei Hu
- School of Food Science and Engineering, Shaanxi University of Science and Technology, Xi'an 710021, China
| | - Minmin Wang
- School of Food Science and Engineering, Shaanxi University of Science and Technology, Xi'an 710021, China
| | - Chang Gao
- School of Food Science and Engineering, Shaanxi University of Science and Technology, Xi'an 710021, China
| | - Haoyue Cui
- School of Food Science and Engineering, Shaanxi University of Science and Technology, Xi'an 710021, China
| | - Zhongchao Gai
- School of Food Science and Engineering, Shaanxi University of Science and Technology, Xi'an 710021, China
| | - Guoli Gong
- School of Food Science and Engineering, Shaanxi University of Science and Technology, Xi'an 710021, China
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4
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Bai X, Chen T, Liu X, Liu Z, Ma R, Su R, Li X, Lü X, Xia X, Shi C. Antibacterial Activity and Possible Mechanism of Litsea cubeba Essential Oil Against Shigella sonnei and Its Application in Lettuce. Foodborne Pathog Dis 2023; 20:138-148. [PMID: 37010405 DOI: 10.1089/fpd.2022.0084] [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] [Indexed: 04/04/2023] Open
Abstract
Shigella sonnei, the causative agents of bacillary dysentery, remains a significant threat to public health. Litsea cubeba essential oil (LC-EO), one of the natural essential oils, exhibited promising biological activities. In this study, the antibacterial effects and possible mechanisms of LC-EO on S. sonnei and its application in lettuce medium were investigated. The minimum inhibitory concentration (MIC) of LC-EO against S. sonnei ATCC 25931 and CMCC 51592 was 4 and 6 μL/mL, respectively. The LC-EO could inhibit the growth of S. sonnei, and decreased S. sonnei to undetectable levels with 4 μL/mL for 1 h in Luria-Bertani broth. The antibacterial mechanism indicated that after the treatment of LC-EO, the production of reactive oxygen species and the activity of superoxide dismutase were significantly elevated in S. sonnei cells, and eventually led to the lipid oxidation product, the malondialdehyde content that significantly increased. Moreover, LC-EO at 2 MIC could destroy 96.51% of bacterial cell membrane integrity, and made S. sonnei cells to appear wrinkled with a rough surface, so that the intracellular adenosine triphosphate leakage was about 0.352-0.030 μmol/L. Finally, the results of application evaluation indicated that the addition of LC-EO at 4 μL/mL in lettuce leaves and 6 μL/mL in lettuce juice could decrease the number of S. sonnei to undetectable levels without remarkable influence on the lettuce leaf sensory quality. In summary, LC-EO exerted strong antibacterial activity and has the potential to control S. sonnei in food industry.
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Affiliation(s)
- Xiangyang Bai
- College of Food Science and Engineering, Northwest A&F University, Yangling, China
| | - Tianxiao Chen
- College of Food Science and Engineering, Northwest A&F University, Yangling, China
| | - Xiaoxiao Liu
- College of Food Science and Engineering, Northwest A&F University, Yangling, China
| | - Zhijie Liu
- College of Food Science and Engineering, Northwest A&F University, Yangling, China
| | - Run Ma
- College of Food Science and Engineering, Northwest A&F University, Yangling, China
| | - Ruiying Su
- College of Food Science and Engineering, Northwest A&F University, Yangling, China
| | - Xuejiao Li
- College of Food Science and Engineering, Northwest A&F University, Yangling, China
| | - Xin Lü
- College of Food Science and Engineering, Northwest A&F University, Yangling, China
| | - Xiaodong Xia
- School of Food Science and Technology, National Engineering Research Center of Seafood, Dalian Polytechnic University, Dalian, China
| | - Chao Shi
- College of Food Science and Engineering, Northwest A&F University, Yangling, China
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5
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Wong WT, Wu CH, Li LH, Hung DY, Chiu HW, Hsu HT, Ho CL, Chernikov OV, Cheng SM, Yang SP, Chung CH, Hua KF, Wang CF. The leaves of the seasoning plant Litsea cubeba inhibit the NLRP3 inflammasome and ameliorate dextran sulfate sodium-induced colitis in mice. Front Nutr 2022; 9:871325. [PMID: 35967819 PMCID: PMC9363825 DOI: 10.3389/fnut.2022.871325] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2022] [Accepted: 07/04/2022] [Indexed: 11/22/2022] Open
Abstract
The intracellular sensor NACHT, LRR, and PYD domain-containing protein 3 (NLRP3) inflammasome controls caspase-1 activity and the maturation and release of the cytokines interleukin (IL)−1β and IL−18. The NLRP3 inflammasome has attracted the attention of the pharmaceutical industry because it promotes the pathogenesis of many diseases, making it a promising target for drug development. Litsea cubeba (Lour.) is a plant traditionally used as a seasoning in Taiwan and in other Asian countries. In this study, we investigated the inhibitory activity of the leaves of L. cubeba against the NLRP3 inflammasome. We found that the ethanol extract of L. cubeba leaves (MLE) inhibited the NLRP3 inflammasome in macrophages by reducing caspase−1 activation and IL−1β secretion. MLE reduced pyroptosis in macrophages and inhibited the release of NLRP3 and apoptosis-associated speck-like protein containing a CARD (ASC). In a mechanistic study, MLE reduced mitochondrial reactive oxygen species (ROS) production and preserved mitochondrial integrity, which led to reduced mitochondrial DNA release into the cytosol. MLE did not reduce the expression levels of NLRP3, IL−1β precursor or TNF-α in lipopolysaccharide (LPS)-activated macrophages. These results indicated that MLE inhibited the NLRP3 inflammasome by suppressing the activation signals of the NLRP3 inflammasome but not by reducing the priming signal induced by LPS. In addition, oral administration of MLE (20−80 mg/kg) ameliorated dextran sulfate sodium (DSS)−induced colitis in a mouse model. Notably, mice that received MLE (1 and 2 g/kg) daily for 7 days did not exhibit visible side effects. Gas chromatography-mass spectrometry (GC-MS) analysis found that α-Terpinyl acetate (27.2%) and 1,8−Cineole (17.7%) were the major compounds in MLE. These results indicated that L. cubeba leaves have the potential to be a nutraceutical for preventing and improving NLRP3 inflammasome-related diseases.
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Affiliation(s)
- Wei-Ting Wong
- Department of Biotechnology and Animal Science, National Ilan University, Ilan, Taiwan
| | - Chun-Hsien Wu
- Division of Cardiology, Department of Internal Medicine, National Defense Medical Center, Tri-Service General Hospital, Taipei, Taiwan
| | - Lan-Hui Li
- Department of Laboratory Medicine, Linsen, Chinese Medicine and Kunming Branch, Taipei City Hospital, Taipei, Taiwan.,Department of Pathology, National Defense Medical Center, Tri-Service General Hospital, Taipei, Taiwan
| | - De-Yu Hung
- Department of Biotechnology and Animal Science, National Ilan University, Ilan, Taiwan
| | - Hsiao-Wen Chiu
- Department of Biotechnology and Animal Science, National Ilan University, Ilan, Taiwan
| | - Hsien-Ta Hsu
- Division of Neurosurgery, Taipei Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, New Taipei City, Taiwan.,School of Medicine, Buddhist Tzu Chi University, Hualien, Taiwan
| | - Chen-Lung Ho
- Division of Wood Cellulose, Taiwan Forestry Research Institute, Taipei, Taiwan
| | - Oleg V Chernikov
- G.B. Elyakov Pacific Institute of Bioorganic Chemistry FEB RAS, Vladivostok, Russia
| | - Shu-Meng Cheng
- Division of Cardiology, Department of Internal Medicine, National Defense Medical Center, Tri-Service General Hospital, Taipei, Taiwan
| | - Shih-Ping Yang
- Division of Cardiology, Department of Internal Medicine, National Defense Medical Center, Tri-Service General Hospital, Taipei, Taiwan
| | - Chih-Hsin Chung
- Department of Forestry and Natural Resources, National Ilan University, Ilan, Taiwan
| | - Kuo-Feng Hua
- Department of Biotechnology and Animal Science, National Ilan University, Ilan, Taiwan.,Department of Pathology, National Defense Medical Center, Tri-Service General Hospital, Taipei, Taiwan.,Department of Medical Research, China Medical University Hospital, China Medical University, Taichung, Taiwan
| | - Chin-Fah Wang
- Center for General Education, National Ilan University, Ilan, Taiwan
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6
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Suganya T, Packiavathy IASV, Aseervatham GSB, Carmona A, Rashmi V, Mariappan S, Devi NR, Ananth DA. Tackling Multiple-Drug-Resistant Bacteria With Conventional and Complex Phytochemicals. Front Cell Infect Microbiol 2022; 12:883839. [PMID: 35846771 PMCID: PMC9280687 DOI: 10.3389/fcimb.2022.883839] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2022] [Accepted: 05/02/2022] [Indexed: 12/22/2022] Open
Abstract
Emerging antibiotic resistance in bacteria endorses the failure of existing drugs with chronic illness, complicated treatment, and ever-increasing expenditures. Bacteria acquire the nature to adapt to starving conditions, abiotic stress, antibiotics, and our immune defense mechanism due to its swift evolution. The intense and inappropriate use of antibiotics has led to the development of multidrug-resistant (MDR) strains of bacteria. Phytochemicals can be used as an alternative for complementing antibiotics due to their variation in metabolic, genetic, and physiological fronts as well as the rapid evolution of resistant microbes and lack of tactile management. Several phytochemicals from diverse groups, including alkaloids, phenols, coumarins, and terpenes, have effectively proved their inhibitory potential against MDR pathogens through their counter-action towards bacterial membrane proteins, efflux pumps, biofilms, and bacterial cell-to-cell communications, which are important factors in promoting the emergence of drug resistance. Plant extracts consist of a complex assortment of phytochemical elements, against which the development of bacterial resistance is quite deliberate. This review emphasizes the antibiotic resistance mechanisms of bacteria, the reversal mechanism of antibiotic resistance by phytochemicals, the bioactive potential of phytochemicals against MDR, and the scientific evidence on molecular, biochemical, and clinical aspects to treat bacterial pathogenesis in humans. Moreover, clinical efficacy, trial, safety, toxicity, and affordability investigations, current status and developments, related demands, and future prospects are also highlighted.
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Affiliation(s)
- Thangaiyan Suganya
- Department of Microbiology, Karpagam Academy of Higher Education, Coimbatore, India
| | | | - G. Smilin Bell Aseervatham
- Post Graduate Research Department of Biotechnology and Bioinformatics, Holy Cross College (Autonomous), Tiruchirappalli, India
| | - Areanna Carmona
- Francis Graduate School of Biomedical Sciences, Texas Tech University Health Science Center of El Paso, Texas, TX, United States
| | - Vijayaragavan Rashmi
- National Repository for Microalgae and Cyanobacteria (NRMC)- Marine, National Facility for Marine Cyanobacteria, (Sponsored by Department of Biotechnology (DBT), Government of India), Bharathidasan University, Tiruchirappalli, India
| | | | | | - Devanesan Arul Ananth
- Department of Biotechnology, Karpagam Academy of Higher Education, Coimbatore, India
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7
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Li A, Shi C, Qian S, Wang Z, Zhao S, Liu Y, Xue Z. Evaluation of antibiotic combination of Litsea cubeba essential oil on Vibrio parahaemolyticus inhibition mechanism and anti-biofilm ability. Microb Pathog 2022; 168:105574. [PMID: 35561981 DOI: 10.1016/j.micpath.2022.105574] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2021] [Revised: 05/04/2022] [Accepted: 05/08/2022] [Indexed: 10/18/2022]
Abstract
Vibrio parahaemolyticus (V. parahaemolyticus) is a common pathogen in seafood. The use of antibiotics is a primary tool to prevent and control V. parahaemolyticus in the aquaculture industry. However, V. parahaemolyticus combats the damage caused by antibiotics by forming biofilms under certain conditions. In this study, we analyzed the antibacterial effect and the characteristics of V. parahaemolyticus by experimentally determining the minimum inhibitory concentration (MIC) and the fractional inhibitory concentration index (FICI) values of a combination of the Litsea cubeba essential oil (LCEO) and several commonly used V. parahaemolyticus antibiotics. The bactericidal effect of the essential oil alone and essential oil in combination with the antibiotics were evaluated with time-kill curves. The damage to cell membranes and cell walls were assessed by measuring the content of macromolecules and alkaline phosphatase (AKP) released into the supernatant using V. parahaemolyticus ATCC17802 as the experimental strain. The membrane structure was observed by transmission electron microscopy. The results showed that the MIC value of the LCEO was 1,024 μg/mL, and the LCEO FICI values in combination with tetracycline or oxytetracycline hydrochloride was 0.3125 and 0.75, respectively, indicating synergistic and additive effects. Moreover, LCEO inhibited the growth and promoted the removal of biofilms by reducing the content of hydrophobic and extracellular polysaccharides on the cell surface. This study provides a reference for studying the antibacterial activity of LCEO and the combination of antibiotics to prevent and control the formation of biofilms by V. parahaemolyticus.
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Affiliation(s)
- Anqi Li
- College of Biology and Food Engineering, Anhui Polytechnic University, Wuhu, 241000, PR China; Anhui Engineering Laboratory for Industrial Microbiology Molecular Breeding, Wuhu, 241000, PR China
| | - Chenglong Shi
- College of Biology and Food Engineering, Anhui Polytechnic University, Wuhu, 241000, PR China; Anhui Engineering Laboratory for Industrial Microbiology Molecular Breeding, Wuhu, 241000, PR China
| | - Senhe Qian
- College of Biology and Food Engineering, Anhui Polytechnic University, Wuhu, 241000, PR China; Anhui Engineering Laboratory for Industrial Microbiology Molecular Breeding, Wuhu, 241000, PR China
| | - Zhou Wang
- College of Biology and Food Engineering, Anhui Polytechnic University, Wuhu, 241000, PR China; Anhui Engineering Laboratory for Industrial Microbiology Molecular Breeding, Wuhu, 241000, PR China.
| | - Shiguang Zhao
- College of Biology and Food Engineering, Anhui Polytechnic University, Wuhu, 241000, PR China; Anhui Engineering Laboratory for Industrial Microbiology Molecular Breeding, Wuhu, 241000, PR China; Xuancheng Industrial Technology, Research Institute of Anhui Polytechnic University, Anhui, Xuancheng, 242000, PR China
| | - Yan Liu
- College of Biology and Food Engineering, Anhui Polytechnic University, Wuhu, 241000, PR China; Anhui Engineering Laboratory for Industrial Microbiology Molecular Breeding, Wuhu, 241000, PR China
| | - Zhenglian Xue
- College of Biology and Food Engineering, Anhui Polytechnic University, Wuhu, 241000, PR China; Anhui Engineering Laboratory for Industrial Microbiology Molecular Breeding, Wuhu, 241000, PR China
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8
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Li C, Zhang C, Chen X, Cui H, Lin L. The Interference Mechanism of Basil Essential Oil on the Cell Membrane Barrier and Respiratory Metabolism of Listeria monocytogenes. Front Microbiol 2022; 13:855905. [PMID: 35432237 PMCID: PMC9010862 DOI: 10.3389/fmicb.2022.855905] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2022] [Accepted: 03/09/2022] [Indexed: 01/06/2023] Open
Abstract
In order to prevent food-borne diseases caused by Listeria monocytogenes (L. monocytogenes) safely and effectively, plant essential oils that have no toxic side effects and are not prone to drug resistance have become the focus of research. This article takes basil (Ocimum basilicum L.) essential oil (BEO) as the research object and explores its antibacterial mechanism against L. monocytogenes. The site of action was preliminarily determined to provide a theoretical basis for the development of natural antibacterial agents. The results show that BEO has good antibacterial activity against L. monocytogenes. After 8 h of treatment with BEO (1 mg/ml), the number of remaining bacteria reached an undetectable level. Combining spectroscopic analysis techniques (Raman, UV, and fluorescence spectroscopy) and fluorescence microscopy imaging techniques, it was found that BEO increased the disorder of the hydrocarbyl chain of phospholipid tail, which in turn led to increased cell membrane permeability, thereby causing the leakage of intracellular proteins and DNA. Meanwhile, respiratory metabolism experiments showed that BEO inhibited the EMP pathway by inhibiting the activity of key enzymes. From the molecular docking results, this inhibition may be attributed to the hydrophobic interaction between α-bergamotene and the amino acid residues of phosphofructokinase (PFK) and pyruvate kinase (PK). In addition, BEO can also cause oxidative stress, and reactive oxygen species (ROS) may also be related to the damage of cell membranes and enzymes related to respiratory metabolism.
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Affiliation(s)
- Changzhu Li
- State Key Laboratory of Utilization of Woody Oil Resource, Hunan Academy of Forestry, Changsha, China
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang, China
| | - Chenghui Zhang
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang, China
| | - Xiaochen Chen
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang, China
| | - Haiying Cui
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang, China
- Haiying Cui,
| | - Lin Lin
- State Key Laboratory of Utilization of Woody Oil Resource, Hunan Academy of Forestry, Changsha, China
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang, China
- *Correspondence: Lin Lin,
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9
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Chen J, Zhang J, Zhu L, Qian C, Tian H, Zhao Z, Jin L, Yang D. Antibacterial Activity of the Essential Oil From Litsea cubeba Against Cutibacterium acnes and the Investigations of Its Potential Mechanism by Gas Chromatography-Mass Spectrometry Metabolomics. Front Microbiol 2022; 13:823845. [PMID: 35308342 PMCID: PMC8924494 DOI: 10.3389/fmicb.2022.823845] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2021] [Accepted: 01/28/2022] [Indexed: 01/12/2023] Open
Abstract
Cutibacterium acnes (C. acnes) is an anaerobic Gram-positive bacterium generally considered as a human skin commensal, but is also involved in different infections, such as acne and surgical infections. Although there are a variety of treatments, the side effects and the problem of bacterial drug resistance still limit their clinical usage. In this study, we found that essential oil (EO) distilled from fresh mature Litsea cubeba possessed promising antibacterial activity against C. acnes. In order to elucidate its potential mechanism, bacteriostatic activity test, Live/Dead kit assay, scanning electron microscope (SEM), transmission electron microscope (TEM), and metabolomics were employed. In addition, the content of adenosine triphosphate (ATP) in bacterium and the activities of key enzymes involved in critical metabolic pathways were detected using a variety of biochemical assays. The results showed that EO exhibited significant antibacterial activity against C. acnes at a minimum inhibitory concentration (MIC) of 400 μg/mL and a minimum bactericidal concentration (MBC) of 800 μg/mL, and EO could destroy C. acnes morphology and inhibit its growth. Moreover, results from our study showed that EO had a significant effect on the C. acnes normal metabolism. In total, 86 metabolites were altered, and 34 metabolic pathways related to the carbohydrate metabolism, energy metabolism, amino acid metabolism, as well as cell wall and cell membrane synthesis were perturbed after EO administration. The synthesis of ATP in bacterial cells was also severely inhibited, and the activities of key enzymes of the glycolysis and Wood-Werkman cycle were significantly affected (Pyruvate Carboxylase, Malate Dehydrogenase and Pyruvate kinase activities were decreased, and Hexokinase was increased). Taken together, these results illustrated that the bacteriostatic effect of EO against C. acnes by breaking the bacterial cell morphology and perturbing cell metabolism, including inhibition of key enzyme activity and ATP synthesis. The results from our study may shed new light on the discovery of novel drugs with more robust efficacy.
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Affiliation(s)
- Jing Chen
- School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou, China
| | - Jianing Zhang
- School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou, China
| | - Longping Zhu
- School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou, China.,Guangdong Technology Research Center for Advanced Chinese Medicine, Guangzhou, China
| | - Chunguo Qian
- School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou, China.,Guangdong Technology Research Center for Advanced Chinese Medicine, Guangzhou, China
| | - Hongru Tian
- School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou, China.,Guangdong Technology Research Center for Advanced Chinese Medicine, Guangzhou, China
| | - Zhimin Zhao
- School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou, China.,Guangdong Technology Research Center for Advanced Chinese Medicine, Guangzhou, China
| | - Lu Jin
- School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou, China.,Guangdong Technology Research Center for Advanced Chinese Medicine, Guangzhou, China
| | - Depo Yang
- School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou, China.,Guangdong Technology Research Center for Advanced Chinese Medicine, Guangzhou, China
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10
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Helmanto H, Primananda E, Rinandio DS, Robiansyah I. Conservation of Dehaasia pugerensis (Lauraceae), a tree endemic to East Java (Indonesia) and last collected in 1940. J Nat Conserv 2022. [DOI: 10.1016/j.jnc.2021.126096] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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11
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Zhang G, Yang Y, Memon FU, Hao K, Xu B, Wang S, Wang Y, Wu E, Chen X, Xiong W, Si H. A Natural Antimicrobial Agent: Analysis of Antibacterial Effect and Mechanism of Compound Phenolic Acid on Escherichia coli Based on Tandem Mass Tag Proteomics. Front Microbiol 2021; 12:738896. [PMID: 34912304 PMCID: PMC8666975 DOI: 10.3389/fmicb.2021.738896] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2021] [Accepted: 11/01/2021] [Indexed: 11/15/2022] Open
Abstract
The objective of this study was to evaluate the antibacterial mechanisms of phenolic acids as natural approaches against multi-drug resistant Escherichia coli (E. coli). For that purpose, five phenolic acids were combined with each other and 31 combinations were obtained in total. To select the most potent and effective combination, all of the obtained combinations were examined for minimum inhibitory concentration (MIC) and it was found that the compound phenolic acid (CPA) 19 (protocatechuic acid, hydrocinnamic acid, and chlorogenic acid at concentrations of 0.833, 0.208, and 1.677 mg/mL, respectively) showed better efficacy against E. coli compared to other combinations. Furthermore, based on tandem mass tag (TMT) proteomics, the treatment of CPA 19 significantly downregulated the proteins associated with resistance (Tsr, Tar, CheA, and CheW), OmpF, and FliC of multidrug-resistant E. coli. At the same time, we proved that CPA 19 improves the sensitivity of E. coli to antibiotics (ceftriaxone sodium, amoxicillin, fosfomycin, sulfamonomethoxine, gatifloxacin, lincomycin, florfenicol, cefotaxime sodium, and rifampicin), causes the flagellum to fall off, breaks the structure of the cell wall and cell membrane, and leads to macromolecules leaks from the cell. This evidence elaborated the potential therapeutic efficacy of CPA 19 and provided a significant contribution to the discovery of antibacterial agents.
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Affiliation(s)
- Geyin Zhang
- College of Animal Science and Technology, Guangxi University, Nanning, China
| | - Yunqiao Yang
- College of Animal Science and Technology, Guangxi University, Nanning, China
| | - Fareed Uddin Memon
- College of Animal Science and Technology, Guangxi University, Nanning, China
| | - Kaiyuan Hao
- College of Animal Science and Technology, Guangxi University, Nanning, China
| | - Baichang Xu
- College of Animal Science and Technology, Guangxi University, Nanning, China
| | - Shuaiyang Wang
- College of Animal Science and Technology, Guangxi University, Nanning, China
| | - Ying Wang
- College of Animal Science and Technology, Guangxi University, Nanning, China
| | - Enyun Wu
- College of Animal Science and Technology, Guangxi University, Nanning, China
| | - Xiaogang Chen
- College of Animal Science and Technology, Guangxi University, Nanning, China
| | - Wenguang Xiong
- College of Veterinary Medicine, South China Agricultural University, Guangzhou, China
| | - Hongbin Si
- College of Animal Science and Technology, Guangxi University, Nanning, China
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12
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Khameneh B, Eskin NAM, Iranshahy M, Fazly Bazzaz BS. Phytochemicals: A Promising Weapon in the Arsenal against Antibiotic-Resistant Bacteria. Antibiotics (Basel) 2021; 10:1044. [PMID: 34572626 PMCID: PMC8472480 DOI: 10.3390/antibiotics10091044] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2021] [Revised: 08/16/2021] [Accepted: 08/17/2021] [Indexed: 12/12/2022] Open
Abstract
The extensive usage of antibiotics and the rapid emergence of antimicrobial-resistant microbes (AMR) are becoming important global public health issues. Many solutions to these problems have been proposed, including developing alternative compounds with antimicrobial activities, managing existing antimicrobials, and rapidly detecting AMR pathogens. Among all of them, employing alternative compounds such as phytochemicals alone or in combination with other antibacterial agents appears to be both an effective and safe strategy for battling against these pathogens. The present review summarizes the scientific evidence on the biochemical, pharmacological, and clinical aspects of phytochemicals used to treat microbial pathogenesis. A wide range of commercial products are currently available on the market. Their well-documented clinical efficacy suggests that phytomedicines are valuable sources of new types of antimicrobial agents for future use. Innovative approaches and methodologies for identifying plant-derived products effective against AMR are also proposed in this review.
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Affiliation(s)
- Bahman Khameneh
- Department of Pharmaceutical Control, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad 9177948954, Iran;
| | - N. A. Michael Eskin
- Department of Food and Human Nutritional Sciences, Faculty of Agricultural and Food Sciences, University of Manitoba, Winnipeg, MB R3T 2N2, Canada;
| | - Milad Iranshahy
- Department of Pharmacognosy, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad 9177948954, Iran
| | - Bibi Sedigheh Fazly Bazzaz
- Department of Pharmaceutical Control, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad 9177948954, Iran;
- Biotechnology Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad 9177948954, Iran
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13
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Yang Y, Hao K, Jiang M, Memon FU, Guo L, Zhang G, Liu T, Wu X, Si H. Transcriptomic Analysis of Drug-Resistance Acinetobacter baumannii under the Stress Condition Caused by Litsea cubeba L . Essential Oil via RNA Sequencing. Genes (Basel) 2021; 12:1003. [PMID: 34210052 PMCID: PMC8307839 DOI: 10.3390/genes12071003] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2021] [Revised: 06/03/2021] [Accepted: 06/28/2021] [Indexed: 12/14/2022] Open
Abstract
Litsea cubeba L. essential oil(LCEO) can affect the growth of drug-resistance bacteria. However, research on stress response of drug-resistant A. baumannii under sub-lethal LCEO concentrations had been limited so far. Therefore, transcriptomic analysisof A. baumannii under 1/2 minimum inhibitory concentration (MIC, 0.54 mg/mL) of LCEO was performed. Results of transcriptomic analysis showed that 320/352 genes were significantly up/down-regulated, respectively, in LCEO-treated A. baumannii. Both up and down-regulated genes were significantly enriched in three GO terms (oxidation-reduction process; oxidoreductase activity; oxidoreductase activity, acting on the CH-CH group of donors), which indicated that the redox state of A. baumannii was significantly affected by LCEO. LCEO may also inhibit aerobic respiration, synthesis of ketone bodies and the metabolism of some amino acids while, meanwhile, promoting fatty acid degradation of A. baumannii according to Kyoto Encyclopedia of Genes and Genomes (KEGG) enrichment. The permeability and the stress of cell membrane of A. baumannii were significantly affected by LCEO. After crystal violet dyeing, the biofilm formation of A. baumannii was promoted/inhibited by extremely low/relatively high concentration of LCEO, respectively. LCEO and chloramphenicol have synergistic growth inhibitory effect against A. baumannii according to the Fractional Inhibitory Concentration Index (FICI) value = 0.375. Our results indicate that the growth of A. baumannii was inhibited by LCEO, and give insights into the stress response of A. baumannii under sub-lethal concentrations of LCEO. These results provided evidence that A. baumannii was inhibited by LCEO, and expanded knowledges of stress response of A. baumannii under sub-lethal concentration of LCEO.
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Affiliation(s)
- Yunqiao Yang
- College of Animal Sciences and Technology, Guangxi University, Nanning 530004, China; (Y.Y.); (K.H.); (M.J.); (F.U.M.); (G.Z.); (T.L.); (X.W.)
| | - Kaiyuan Hao
- College of Animal Sciences and Technology, Guangxi University, Nanning 530004, China; (Y.Y.); (K.H.); (M.J.); (F.U.M.); (G.Z.); (T.L.); (X.W.)
| | - Mingsheng Jiang
- College of Animal Sciences and Technology, Guangxi University, Nanning 530004, China; (Y.Y.); (K.H.); (M.J.); (F.U.M.); (G.Z.); (T.L.); (X.W.)
| | - Fareed Uddin Memon
- College of Animal Sciences and Technology, Guangxi University, Nanning 530004, China; (Y.Y.); (K.H.); (M.J.); (F.U.M.); (G.Z.); (T.L.); (X.W.)
| | - Lei Guo
- College of Bioscience and Biotechnology, Yangzhou University, Yangzhou 225012, China;
| | - Geyin Zhang
- College of Animal Sciences and Technology, Guangxi University, Nanning 530004, China; (Y.Y.); (K.H.); (M.J.); (F.U.M.); (G.Z.); (T.L.); (X.W.)
| | - Tian Liu
- College of Animal Sciences and Technology, Guangxi University, Nanning 530004, China; (Y.Y.); (K.H.); (M.J.); (F.U.M.); (G.Z.); (T.L.); (X.W.)
| | - Xianshi Wu
- College of Animal Sciences and Technology, Guangxi University, Nanning 530004, China; (Y.Y.); (K.H.); (M.J.); (F.U.M.); (G.Z.); (T.L.); (X.W.)
| | - Hongbin Si
- College of Animal Sciences and Technology, Guangxi University, Nanning 530004, China; (Y.Y.); (K.H.); (M.J.); (F.U.M.); (G.Z.); (T.L.); (X.W.)
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14
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Sub-Tissue Localization of Phytochemicals in Cinnamomum camphora (L.) J. Presl. Growing in Northern Italy. PLANTS 2021; 10:plants10051008. [PMID: 34069342 PMCID: PMC8158694 DOI: 10.3390/plants10051008] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/08/2021] [Revised: 05/07/2021] [Accepted: 05/13/2021] [Indexed: 12/02/2022]
Abstract
In the present paper, we focused our attention on Cinnamomum camphora (L.) J. Presl. (Lauraceae), studied at three levels: (i) micromorphological, with the analysis of the secretory structures and a novel in-depth histochemical characterization of the secreted compounds; (ii) phytochemical, with the characterization of the essential oils from young stems, fruits, and leaves, subjected to different conservation procedures (fresh, dried, stored at −20 °C, stored at −80 °C) and collected in two different years; (iii) bioactive, consisting of a study of the potential antibacterial activity of the essential oils. The micromorphological investigation proved the presence of secretory cells characterized by a multi-layered wall in the young stems and leaves. They resulted in two different types: mucilage cells producing muco-polysaccharides and oil cells with an exclusive terpene production. The phytochemical investigations showed a predominance of monoterpenes over sesquiterpene derivatives; among them, the main components retrieved in all samples were 1,8-cineole followed by α-terpineol and sabinene. Conservation procedures seem to only influence the amounts of specific components, i.e., 1,8-cineole and α-terpineol, while analyses on each plant part revealed the presence of some peculiar secondary constituents for each of them. Finally, the evaluation of the antibacterial activity of the essential oil showed a promising activity against various microorganisms, as Listeria monocytogenes, Staphylococcus aureus, Enterococcus faecalis and Pseudomonas aeruginosa. In conclusion, we combined a micromorphological and phytochemical approach of the study on different plant parts of C. camphora, linking the occurrence of secretory cells to the production of essential oils. We compared, for the first time, the composition of essential oils derived from different plant matrices conserved with different procedures, allowing us to highlight a relation between the conservation technique and the main components of the profiles. Moreover, the preliminary antibacterial studies evidenced the potential activity of the essential oils against various microorganisms potentially dangerous for plants and humans.
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15
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Research Progress in Plant Molecular Systematics of Lauraceae. BIOLOGY 2021; 10:biology10050391. [PMID: 34062846 PMCID: PMC8147330 DOI: 10.3390/biology10050391] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 03/30/2021] [Revised: 04/26/2021] [Accepted: 04/27/2021] [Indexed: 11/17/2022]
Abstract
Simple Summary Lauraceae, as an angiosperm group with high ecological and economic value, has been widely studied. With the development of science and technology, the research of Lauraceae has changed from morphology to molecular systematics. Our paper reviewed the molecular phylogeny of Lauraceae in recent years. From the aspects of gene fragments, chloroplast genome and DNA barcodes, we mainly discussed the establishment of Cinnamomeae in the ‘Core Lauraceae’ and the tribal controversial genera (Actinodaphne, Sassafras, Caryodaphnopsis, Neocinnamomum and Cassytha). We think that the whole genome and inflorescence characteristics are the breakthrough to solve the tribal problem of Lauraceae. Using reliable molecular and morphological evidence to reconstruct the phylogenetic relationship of Lauraceae will provide an important theoretical basis for the rational utilization of Lauraceae resources, the development of potential resources and the protection of rare plants. Abstract Lauraceae is a large family of woody plants with high ecological and economic value. The tribal and generic division and phylogenetic relationship of Lauraceae have long been controversial. Based on morphological and molecular evidence, phylogenetic relationships within the Cinnamomeae, Laureae and Perseeae tribes, also called ‘the Core Lauraceae’, have arisen particular attention. In this review, we comprehensively collated the literatures on the phylogeny of Lauraceae published in recent years and summarized progress made in molecular systematic researches employing gene fragments, chloroplast genomes and DNA barcodings analyses. We clarified the phylogenetic relationships and main controversies of ‘the Core Lauraceae’, the systemic position of fuzzy genera (Neocinnamomum, Caryodaphnopsis and Cassytha) and the development of chloroplast genome and DNA barcodes. We further suggested and proposed the whole genome analysis and different inflorescence types would be possible to provide more information for further research on phylogenetic relationships and taxonomy of Lauraceae.
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16
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Guo F, Chen Q, Liang Q, Zhang M, Chen W, Chen H, Yun Y, Zhong Q, Chen W. Antimicrobial Activity and Proposed Action Mechanism of Linalool Against Pseudomonas fluorescens. Front Microbiol 2021; 12:562094. [PMID: 33584604 PMCID: PMC7875898 DOI: 10.3389/fmicb.2021.562094] [Citation(s) in RCA: 38] [Impact Index Per Article: 12.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2020] [Accepted: 01/06/2021] [Indexed: 11/13/2022] Open
Abstract
In this study, linalool, one of the principal components of essential oils, was used as an antibacterial agent to investigate the antibacterial activity and mechanism of linalool against Pseudomonas fluorescens. The reduction in membrane potential (MP), leakage of alkaline phosphatase (AKP) and the release of macromolecules, including DNA, RNA and protein confirmed that damage to cell wall membrane structure and leakage of cytoplasmic contents were due to the linalool treatment. Furthermore, the decrease of enzyme activity, including the succinate dehydrogenase (SDH), malate dehydrogenase (MDH), pyruvate kinase (PK), and ATPase indicated that linalool could lead to metabolic dysfunction and inhibit energy synthesis. In addition, the activity of respiratory chain dehydrogenase and metabolic activity of respiration indicated that linalool inhibits cellular respiration. These results revealed that linalool had strong antibacterial activity against P. fluorescens via membrane damage, bacterial metabolic and oxidative respiratory perturbations, interfering in cellular functions and even causing cell death. It was suggested that linalool may be a new potential source as food antiseptics in food systems.
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Affiliation(s)
- Fengyu Guo
- College of Food Science and Technology, Hainan University, Haikou, China
| | - Qianping Chen
- College of Food Science and Technology, Hainan University, Haikou, China
| | - Qiong Liang
- College of Food Science and Technology, Hainan University, Haikou, China
| | - Ming Zhang
- College of Food Science and Technology, Hainan University, Haikou, China
| | - Wenxue Chen
- College of Food Science and Technology, Hainan University, Haikou, China
| | - Haiming Chen
- College of Food Science and Technology, Hainan University, Haikou, China
| | - Yonghuan Yun
- College of Food Science and Technology, Hainan University, Haikou, China
| | - Qiuping Zhong
- College of Food Science and Technology, Hainan University, Haikou, China
| | - Weijun Chen
- College of Food Science and Technology, Hainan University, Haikou, China
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17
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Monteiro PC, Majolo C, Chaves FCM, Bizzo HR, Almeida O’Sullivan FL, Chagas EC. Antimicrobial activity of essential oils from Lippia sidoides, Ocimum gratissimum and Zingiber officinale against Aeromonas spp. JOURNAL OF ESSENTIAL OIL RESEARCH 2020. [DOI: 10.1080/10412905.2020.1848653] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Affiliation(s)
- Patrícia Castro Monteiro
- Programa de Pós-Graduação em Ciências Pesqueiras nos Trópicos, Universidade Federal do Amazonas, Manaus, Brazil
| | | | | | | | - Fernanda Loureiro Almeida O’Sullivan
- Programa de Pós-Graduação em Ciências Pesqueiras nos Trópicos, Universidade Federal do Amazonas, Manaus, Brazil
- Embrapa Amazônia Ocidental, Manaus, Brazil
| | - Edsandra Campos Chagas
- Programa de Pós-Graduação em Ciências Pesqueiras nos Trópicos, Universidade Federal do Amazonas, Manaus, Brazil
- Embrapa Amazônia Ocidental, Manaus, Brazil
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18
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Inhibitory Effects of Litsea cubeba Oil and Its Active Components on Aspergillus flavus. J FOOD QUALITY 2020. [DOI: 10.1155/2020/8843251] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023] Open
Abstract
Aspergillus flavus (A. flavus) is a frequent harmful fungal pathogen. It can infect traditional Chinese medicine materials and release aflatoxin, to cause both economic and human health effects. By comparing the inhibitory potential of Litsea cubeba oil and its active components to A. flavus CGMCC 3.4408, citral was confirmed to be the main component that inhibits the growth of A. flavus CGMCC 3.4408, and the EC50 was 163.65 mg L−1. The inhibitory effect of citral on A. flavus CGMCC 3.4408 was studied for colony growth rate, mycelium biomass, aflatoxin production, and microstructure. Citral slowed down the growth rate of colonies and reduced mycelium biomass and toxin production. Moreover, citral altered the morphology of fungal spores and mycelium. In addition, citral also has the inhibitory effects on the isolates of A. flavus from moldy traditional Chinese medicinal materials. Thus, citral can be used as a potential agent to check the growth of A. flavus or related fungal strains.
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19
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Mojaddar Langroodi A, Mehdizadeh T, Majidi L, Neyriz‐Naghadehi M. Lactobacillus acidophilus
and
Anethum graveolens
essential oil in Iranian cheese against
Escherichia coli
O157:H7. FLAVOUR FRAG J 2020. [DOI: 10.1002/ffj.3629] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Ali Mojaddar Langroodi
- Department of Food Hygiene and Quality Control Faculty of Veterinary Medicine Urmia University Urmia Iran
| | - Tooraj Mehdizadeh
- Department of Food Hygiene and Quality Control Faculty of Veterinary Medicine Urmia University Urmia Iran
| | - Lalezar Majidi
- Department of Biology Science Faculty of Islamic Azad University Urmia Iran
| | - Moslem Neyriz‐Naghadehi
- Department of Food Hygiene and Quality Control Veterinary Faculty of Islamic Azad University Urmia Iran
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20
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Boren K, Crown A, Carlson R. Multidrug and Pan-Antibiotic Resistance—The Role of Antimicrobial and Synergistic Essential Oils: A Review. Nat Prod Commun 2020. [DOI: 10.1177/1934578x20962595] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
Bacterial resistance to antibiotics continues to be a grave threat to human health. Because antibiotics are no longer a lucrative market for pharmaceutical companies, the development of new antibiotics has slowed to a crawl. The World Health Organization reported that the 8 new bacterial agents approved since July 2017 had limited clinical benefits. While a cohort of biopharmaceutical companies recently announced plans to develop 2-4 new antibiotics by 2030, we needn’t wait a decade to find innovative antibiotic candidates. Essential oils (EOs) have long been known as antibacterial agents with wide-ranging arsenals. Many are able to penetrate the bacterial membrane and may also be effective against bacterial defenses such as biofilms, efflux pumps, and quorum sensing. EOs have been documented to fight drug-resistant bacteria alone and/or combined with antibiotics. This review will summarize research showing the significant role of EOs as nonconventional regimens against the worldwide spread of antibiotic-resistant pathogens. The authors conducted a 4-year search of the US National Library of Medicine (PubMed) for relevant EO studies against methicillin-resistant Staphylococcus aureus, multidrug-resistant (MDR) Escherichia coli, EO combinations/synergy with antibiotics, against MDR fungal infections, showing the ability to permeate bacterial membranes, and against the bacterial defenses listed above. EOs are readily available and are a needed addition to the arsenal against resistant pathogens.
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Anti-Bacterial Effects of Essential Oils against Uropathogenic Bacteria. Antibiotics (Basel) 2020; 9:antibiotics9060358. [PMID: 32630444 PMCID: PMC7344393 DOI: 10.3390/antibiotics9060358] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2020] [Revised: 06/18/2020] [Accepted: 06/22/2020] [Indexed: 12/11/2022] Open
Abstract
Given the increasing antimicrobial resistance in urinary tract infections (UTI), alternative strategies need to be investigated. Determination of minimal inhibitory and bactericidal concentrations of essential oils from cajeput, lemongrass, tea tree, and thyme in artificial urine, revealed bactericidal activity of all four tested essential oils against seven uropathogenic species with values ranging between 0.78–50 mg/mL. Tea tree and thyme essential oils were more efficient than lemongrass and cajeput. In addition, antibiotic-resistant strains showed similar susceptibility as antibiotic-sensitive strains, suggesting no cross-resistance between antibiotics and these essential oils. Checkerboard assays revealed a synergistic activity of the combination of thyme and tea tree. Furthermore, the combination with thyme and tea tree essential oils increased the activity of fosfomycin and pivmecillinam, but not nitrofurantoin, against Escherichia coli. This study provides a basis for further investigation of the potential of thyme and tea tree oil as an alternative or additional treatment of UTI.
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Abstract
The laurel family within the Magnoliids has attracted attentions owing to its scents, variable inflorescences, and controversial phylogenetic position. Here, we present a chromosome-level assembly of the Litsea cubeba genome, together with low-coverage genomic and transcriptomic data for many other Lauraceae. Phylogenomic analyses show phylogenetic discordance at the position of Magnoliids, suggesting incomplete lineage sorting during the divergence of monocots, eudicots, and Magnoliids. An ancient whole-genome duplication (WGD) event occurred just before the divergence of Laurales and Magnoliales; subsequently, independent WGDs occurred almost simultaneously in the three Lauralean lineages. The phylogenetic relationships within Lauraceae correspond to the divergence of inflorescences, as evidenced by the phylogeny of FUWA, a conserved gene involved in determining panicle architecture in Lauraceae. Monoterpene synthases responsible for production of specific volatile compounds in Lauraceae are functionally verified. Our work sheds light on the evolution of the Lauraceae, the genetic basis for floral evolution and specific scents. Litsea cubeba belongs to the Lauraceae family within the Magnoliids clade. Here, the authors assemble its genome and reveal divergence of inflorescence and sexual differentiation, the phylogenetic relationships across the Lauraceae and related species, and biosynthetic genes related to essential oil synthesis.
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Najar B, Shortrede JE, Pistelli L, Buhagiar J. Chemical Composition and in Vitro Cytotoxic Screening of Sixteen Commercial Essential Oils on Five Cancer Cell Lines. Chem Biodivers 2019; 17:e1900478. [PMID: 31713998 DOI: 10.1002/cbdv.201900478] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2019] [Accepted: 11/08/2019] [Indexed: 01/03/2023]
Abstract
The in vitro cytotoxic activity on human cancer cell lines of sixteen commercial EOs such as Aloysia citriodora, Boswellia sacra, Boswellia serrata, Cinnamomum zeylanicum, Cistus ladanifer, Citrus × aurantium, Citrus limon, Citrus sinensis, Cymbopogon citratus, Foeniculum vulgare, Illicium verum, Litsea cubeba, Satureja montana, Syzygium aromaticum, Thymus capitatus and Thymus vulgaris was performed using the MTT reduction assay. The screening was carried out on human cancer cells of breast adenocarcinoma (MCF7, T47D and MDA-MB-231), chronic myelogenous erythroleukemia (K562) and neuroblastoma cell lines (SH-SY5Y). C. zeylanicum and L. cubeba EOs were the most active on almost all the cell lines studied and thus could be promising as an anticancer agent. These two species showed a difference in their composition even though they belong to the Lauraceae family. Almost 57 % of the true cinnamon composition was made of (E)-cinnamaldehyde, while L. cubeba showed citral as the major compound (68.9 %). The K562 cells were the most sensitive to these oils with an IC50 ranging from 5.2 parts-per million (ppm) (C. zeylanicum) to 11.1 ppm (L. cubeba). The latter oil also showed an important cytotoxicity on MDA-MB-231 (13.4 ppm).
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Affiliation(s)
- Basma Najar
- Dipartimento di Farmacia, Università di Pisa, Via Bonanno 33, 56126, Pisa, Italy
| | | | - Luisa Pistelli
- Dipartimento di Farmacia, Università di Pisa, Via Bonanno 33, 56126, Pisa, Italy
| | - Joseph Buhagiar
- Department of Biology, University of Malta, Msida MSD, 2080, Malte.,Argotti Botanic Garden & Resource Center, Triq Sarria, Il-, Furjana FRN, 1553, Malte
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24
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Synergistic efficacy of pulsed magnetic fields and Litseacubeba essential oil treatment against Escherichia coli O157:H7 in vegetable juices. Food Control 2019. [DOI: 10.1016/j.foodcont.2019.06.012] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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25
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Characterization of Endophytic Streptomyces griseorubens MPT42 and Assessment of Antimicrobial Synergistic Interactions of its Extract and Essential Oil from Host Plant Litsea cubeba. Antibiotics (Basel) 2019; 8:antibiotics8040197. [PMID: 31661781 PMCID: PMC6963632 DOI: 10.3390/antibiotics8040197] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2019] [Revised: 10/16/2019] [Accepted: 10/25/2019] [Indexed: 11/21/2022] Open
Abstract
The present study aimed to evaluate the synergistic effects of the crude ethyl acetate extract (CEAE) from endophytic actinomycete MPT42 and essential oil (EO) of the same host plant Litsea cubeba. The isolate MPT42, exhibiting broad-spectrum antimicrobial activities and harboring all three antibiotic-related biosynthetic genes pks-I, pks-II, and nrps, was identified as Streptomycete griseorubens based on an analysis of the morphology, physiology, and 16S rDNA sequence. Minimum inhibitory concentrations (MICs) and the fractional inhibitory concentration index were used to estimate the synergistic effects of various combined ratios between CEAE or antibiotics (erythromycin, vancomycin) and EO toward 13 microbial strains including pathogens. L. cubeba fruit EO, showing the main chemical constituents of 36.0% citral, 29.6% carveol, and 20.5% limonene, revealed an active-low against tested microbes (MICs ≥ 600 μg/mL). The CEAE of S. griseorubens culture exhibited moderate–strong antimicrobial activities against microbes (MICs = 80–600 μg/mL). Analysis of the mechanism of action of EO on Escherichia coli ATCC 25922 found that bacterial cells were dead after 7 h of the EO treatment at 1 MIC (5.5 mg/mL), where 62% cells were permeabilized after 2 h and 3% of them were filament (length ≥ 6 μm). Combinations of CEAE, erythromycin, or vancomycin with EO led to significant synergistic antimicrobial effects against microbes with 4–16 fold reduction in MIC values when compared to their single use. Interestingly, the vancomycin–EO combinations exhibited a strong synergistic effect against five Gram-negative bacterial species. This could assume that the synergy was possibly due to increasing the cell membrane permeability by the EO acting on the bacterial cells, which allows the uptake and diffusion of antimicrobial substances inside the cell easily. These findings in the present study therefore propose a possible alternative to combat the emergence of multidrug-resistant microbes in veterinary and clinics.
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Cai X, Wang X, Chen Y, Wang Y, Song D, Gu Q. A natural biopreservative: Antibacterial action and mechanisms of Chinese Litsea mollis Hemsl. extract against Escherichia coli DH5α and Salmonella spp. J Dairy Sci 2019; 102:9663-9673. [PMID: 31447164 DOI: 10.3168/jds.2019-16292] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2019] [Accepted: 06/08/2019] [Indexed: 01/17/2023]
Abstract
Chemical preservatives have potential safety hazards, which may pose threats to human health. Safer biopreservatives are therefore urgently required. This study investigated the bacteriostatic activity and mechanism of Litsea mollis Hemsl. essential oil against Escherichia coli DH5α and Salmonella spp. Antibacterial activity of Litsea mollis Hemsl. essential oil 9 (LMEO9) against E. coli DH5α was observed (zone of inhibition was 5.0 ± 0.2 mm; minimum inhibitory concentration was 0.05%). Increases in electrolyte, nucleic acid, and alkaline phosphatase leakage in LMEO9-treated bacteria suggested that the cell envelope had been damaged. Scanning and transmission electron microscopy also demonstrated morphological alterations and content leakage during LMEO9 treatment. According to the kill-time analysis and propidium iodide uptake assay, LMEO9 led to cell death. These results demonstrated that LMEO9, which could affect bacterial cell envelope structural integrity, is a low-cost biopreservative that could be useful for the dairy industry and in fresh storage.
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Affiliation(s)
- XiaoTian Cai
- Key Laboratory for Food Microbial Technology of Zhejiang Province, Zhejiang Gongshang University, Hangzhou, China, 310018
| | - Xue Wang
- State Key Laboratory of Tree Genetics and Breeding, Chinese Academy of Forestry, Beijing, China, 100091; Institute of Subtropical Forestry, Chinese Academy of Forestry, Hangzhou, China, 311400
| | - YiCun Chen
- State Key Laboratory of Tree Genetics and Breeding, Chinese Academy of Forestry, Beijing, China, 100091; Institute of Subtropical Forestry, Chinese Academy of Forestry, Hangzhou, China, 311400
| | - YangDong Wang
- State Key Laboratory of Tree Genetics and Breeding, Chinese Academy of Forestry, Beijing, China, 100091; Institute of Subtropical Forestry, Chinese Academy of Forestry, Hangzhou, China, 311400
| | - DaFeng Song
- Key Laboratory for Food Microbial Technology of Zhejiang Province, Zhejiang Gongshang University, Hangzhou, China, 310018.
| | - Qing Gu
- Key Laboratory for Food Microbial Technology of Zhejiang Province, Zhejiang Gongshang University, Hangzhou, China, 310018.
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Waché Y, Do TL, Do TBH, Do TY, Haure M, Ho PH, Kumar Anal A, Le VVM, Li WJ, Licandro H, Lorn D, Ly-Chatain MH, Ly S, Mahakarnchanakul W, Mai DV, Mith H, Nguyen DH, Nguyen TKC, Nguyen TMT, Nguyen TTT, Nguyen TVA, Pham HV, Pham TA, Phan TT, Tan R, Tien TN, Tran T, Try S, Phi QT, Valentin D, Vo-Van QB, Vongkamjan K, Vu DC, Vu NT, Chu-Ky S. Prospects for Food Fermentation in South-East Asia, Topics From the Tropical Fermentation and Biotechnology Network at the End of the AsiFood Erasmus+Project. Front Microbiol 2018; 9:2278. [PMID: 30374334 PMCID: PMC6196250 DOI: 10.3389/fmicb.2018.02278] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2018] [Accepted: 09/06/2018] [Indexed: 12/03/2022] Open
Abstract
Fermentation has been used for centuries to produce food in South-East Asia and some foods of this region are famous in the whole world. However, in the twenty first century, issues like food safety and quality must be addressed in a world changing from local business to globalization. In Western countries, the answer to these questions has been made through hygienisation, generalization of the use of starters, specialization of agriculture and use of long-distance transportation. This may have resulted in a loss in the taste and typicity of the products, in an extensive use of antibiotics and other chemicals and eventually, in a loss in the confidence of consumers to the products. The challenges awaiting fermentation in South-East Asia are thus to improve safety and quality in a sustainable system producing tasty and typical fermented products and valorising by-products. At the end of the “AsiFood Erasmus+ project” (www.asifood.org), the goal of this paper is to present and discuss these challenges as addressed by the Tropical Fermentation Network, a group of researchers from universities, research centers and companies in Asia and Europe. This paper presents current actions and prospects on hygienic, environmental, sensorial and nutritional qualities of traditional fermented food including screening of functional bacteria and starters, food safety strategies, research for new antimicrobial compounds, development of more sustainable fermentations and valorisation of by-products. A specificity of this network is also the multidisciplinary approach dealing with microbiology, food, chemical, sensorial, and genetic analyses, biotechnology, food supply chain, consumers and ethnology.
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Affiliation(s)
- Yves Waché
- Tropical Bioresources & Biotechnology International Joint Laboratory, Université Bourgogne Franche-Comté/AgroSup Dijon- Hanoi University of Science and Technology, Dijon, France.,PAM UMR A 02.102, Université Bourgogne Franche-Comté/AgroSup Dijon, Dijon, France.,Agreenium, Paris, France
| | - Thuy-Le Do
- Food Industries Research Institute, Hanoi, Vietnam
| | | | - Thi-Yen Do
- Tropical Bioresources & Biotechnology International Joint Laboratory, Université Bourgogne Franche-Comté/AgroSup Dijon- Hanoi University of Science and Technology, Hanoi, Vietnam.,School of Biotechnology and Food Technology, Hanoi University of Science and Technology, Hanoi, Vietnam
| | - Maxime Haure
- Tropical Bioresources & Biotechnology International Joint Laboratory, Université Bourgogne Franche-Comté/AgroSup Dijon- Hanoi University of Science and Technology, Dijon, France.,PAM UMR A 02.102, Université Bourgogne Franche-Comté/AgroSup Dijon, Dijon, France.,Agreenium, Paris, France.,Atelier du Fruit, Longvic, France
| | - Phu-Ha Ho
- Tropical Bioresources & Biotechnology International Joint Laboratory, Université Bourgogne Franche-Comté/AgroSup Dijon- Hanoi University of Science and Technology, Hanoi, Vietnam.,School of Biotechnology and Food Technology, Hanoi University of Science and Technology, Hanoi, Vietnam
| | - Anil Kumar Anal
- Food Engineering and Bioprocess Technology, Department of Food, Agriculture and Bioresources, Asian Institute of Technology, Klong Luang, Thailand
| | - Van-Viet-Man Le
- Ho Chi Minh City University of Technology, Ho Chi Minh City, Vietnam
| | - Wen-Jun Li
- School of Life Sciences, Sun Yat-sen University, Guangzhou, China
| | - Hélène Licandro
- Tropical Bioresources & Biotechnology International Joint Laboratory, Université Bourgogne Franche-Comté/AgroSup Dijon- Hanoi University of Science and Technology, Dijon, France.,PAM UMR A 02.102, Université Bourgogne Franche-Comté/AgroSup Dijon, Dijon, France.,Agreenium, Paris, France
| | - Da Lorn
- Tropical Bioresources & Biotechnology International Joint Laboratory, Université Bourgogne Franche-Comté/AgroSup Dijon- Hanoi University of Science and Technology, Dijon, France.,PAM UMR A 02.102, Université Bourgogne Franche-Comté/AgroSup Dijon, Dijon, France.,Agreenium, Paris, France.,Institute of Technology of Cambodia, Phnom Penh, Cambodia
| | | | - Sokny Ly
- Institute of Technology of Cambodia, Phnom Penh, Cambodia
| | - Warapa Mahakarnchanakul
- Department of Food Science and Technology, Faculty of Agro-Industry, Kasetsart University, Bangkok, Thailand
| | - Dinh-Vuong Mai
- Tropical Bioresources & Biotechnology International Joint Laboratory, Université Bourgogne Franche-Comté/AgroSup Dijon- Hanoi University of Science and Technology, Dijon, France.,PAM UMR A 02.102, Université Bourgogne Franche-Comté/AgroSup Dijon, Dijon, France.,Agreenium, Paris, France.,Tropical Bioresources & Biotechnology International Joint Laboratory, Université Bourgogne Franche-Comté/AgroSup Dijon- Hanoi University of Science and Technology, Hanoi, Vietnam.,School of Biotechnology and Food Technology, Hanoi University of Science and Technology, Hanoi, Vietnam
| | - Hasika Mith
- Institute of Technology of Cambodia, Phnom Penh, Cambodia
| | | | - Thi-Kim-Chi Nguyen
- Tropical Bioresources & Biotechnology International Joint Laboratory, Université Bourgogne Franche-Comté/AgroSup Dijon- Hanoi University of Science and Technology, Dijon, France.,PAM UMR A 02.102, Université Bourgogne Franche-Comté/AgroSup Dijon, Dijon, France.,Agreenium, Paris, France
| | - Thi-Minh-Tu Nguyen
- Tropical Bioresources & Biotechnology International Joint Laboratory, Université Bourgogne Franche-Comté/AgroSup Dijon- Hanoi University of Science and Technology, Hanoi, Vietnam.,School of Biotechnology and Food Technology, Hanoi University of Science and Technology, Hanoi, Vietnam
| | - Thi-Thanh-Thuy Nguyen
- Faculty of Food Science and Technology, Vietnam National University of Agriculture, Hanoi, Vietnam
| | | | - Hai-Vu Pham
- Agreenium, Paris, France.,CESAER, AgroSup Dijon/INRA/Université Bourgogne Franche-Comté, Dijon, France
| | - Tuan-Anh Pham
- Tropical Bioresources & Biotechnology International Joint Laboratory, Université Bourgogne Franche-Comté/AgroSup Dijon- Hanoi University of Science and Technology, Hanoi, Vietnam.,School of Biotechnology and Food Technology, Hanoi University of Science and Technology, Hanoi, Vietnam
| | - Thanh-Tam Phan
- Tropical Bioresources & Biotechnology International Joint Laboratory, Université Bourgogne Franche-Comté/AgroSup Dijon- Hanoi University of Science and Technology, Hanoi, Vietnam.,School of Biotechnology and Food Technology, Hanoi University of Science and Technology, Hanoi, Vietnam
| | - Reasmey Tan
- Institute of Technology of Cambodia, Phnom Penh, Cambodia
| | - Tien-Nam Tien
- Center of Experiment and Practice, Ho Chi Minh City University of Food Industry, Ho Chi Minh City, Vietnam
| | - Thierry Tran
- Agreenium, Paris, France.,International Center for Tropical Agriculture, CGIAR Research Program on Roots, Tubers and Bananas, Cali, Colombia.,Centre de Coopération Internationale en Recherche Agronomique pour le Développement, UMR Qualisud, CGIAR Research Program on Roots, Tubers and Bananas, Montpellier, France
| | - Sophal Try
- Tropical Bioresources & Biotechnology International Joint Laboratory, Université Bourgogne Franche-Comté/AgroSup Dijon- Hanoi University of Science and Technology, Dijon, France.,PAM UMR A 02.102, Université Bourgogne Franche-Comté/AgroSup Dijon, Dijon, France.,Agreenium, Paris, France.,Institute of Technology of Cambodia, Phnom Penh, Cambodia
| | - Quyet-Tien Phi
- Institute of Biotechnology, Vietnam Academy of Science and Technology, Hanoi, Vietnam
| | - Dominique Valentin
- Agreenium, Paris, France.,Le Centre des Sciences du Goût et de l'Alimentation - AgroSup Dijon/INRA/CNRS/Université Bourgogne Franche-Comté, Dijon, France
| | - Quoc-Bao Vo-Van
- College of Agriculture and Forestry, Hue University, Hue, Vietnam
| | - Kitiya Vongkamjan
- Department of Food Technology, Prince of Songkla University, Hat Yai, Thailand
| | - Duc-Chien Vu
- Food Industries Research Institute, Hanoi, Vietnam
| | | | - Son Chu-Ky
- Tropical Bioresources & Biotechnology International Joint Laboratory, Université Bourgogne Franche-Comté/AgroSup Dijon- Hanoi University of Science and Technology, Hanoi, Vietnam.,School of Biotechnology and Food Technology, Hanoi University of Science and Technology, Hanoi, Vietnam
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