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Li Z, Song Y, Ling Y, Liu Y, Yi J, Hao L, Zhu J, Kang Q, Huang J, Lu J. Structural characterization of a glycoprotein from white jade snails (Achatina Fulica) and its wound healing activity. Int J Biol Macromol 2024; 263:130161. [PMID: 38367791 DOI: 10.1016/j.ijbiomac.2024.130161] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2023] [Revised: 02/03/2024] [Accepted: 02/11/2024] [Indexed: 02/19/2024]
Abstract
Snail mucus is rich in proteins and polysaccharides, which has been proved to promote wound healing in mice in our previous research. The aim of this study was to investigate the effective component in snail mucus that can exert the wound healing potential and its structural characterization. Here, the glycoprotein from the snail mucus (SM1S) was obtained by DEAE-Sepharose Fast Flow and Sephacryl S-300 columns. The structural characteristics of SM1S were investigated via chromatographic techniques, periodic acid oxidation, FT-IR spectroscopy and NMR spectroscopy. Results showed that SM1S was a glycoprotein with a molecular weight of 3.8 kDa (83.23 %), consists of mannose, glucuronic acid, glucose, galactose, xylose, arabinose, fucose at a ratio of 13.180:4.875:1043.173:7.552:1:3.501:2.058. In addition, the periodic acid oxidation and NMR analysis showed that SM1S contained 1,6-glycosidic bonds, and might also contain 1 → 4 and 1 → 2 glycosidic or 1 → 3 glycosidic bonds. Furthermore, the migration experiment of human skin fibroblasts in vitro suggested that SM1S had a good effect to accelerate the scratch healing of cells. This study suggested that SM1S may be a prospective candidate as a natural wound dressing for the development of snail mucus products.
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Affiliation(s)
- Zhipeng Li
- School of Life Sciences, Zhengzhou University, Zhengzhou, Henan 450001, China
| | - Yiming Song
- School of Life Sciences, Zhengzhou University, Zhengzhou, Henan 450001, China
| | - Yunying Ling
- School of Life Sciences, Zhengzhou University, Zhengzhou, Henan 450001, China
| | - Yingxin Liu
- School of Life Sciences, Zhengzhou University, Zhengzhou, Henan 450001, China
| | - Juanjuan Yi
- School of Life Sciences, Zhengzhou University, Zhengzhou, Henan 450001, China.
| | - Limin Hao
- Systems Engineering Institute, Academy of Military Sciences PLA China, Beijing 100010, China
| | - Jiaqing Zhu
- School of Life Sciences, Zhengzhou University, Zhengzhou, Henan 450001, China
| | - Qiaozhen Kang
- School of Life Sciences, Zhengzhou University, Zhengzhou, Henan 450001, China
| | - Jinyong Huang
- School of Life Sciences, Zhengzhou University, Zhengzhou, Henan 450001, China
| | - Jike Lu
- School of Life Sciences, Zhengzhou University, Zhengzhou, Henan 450001, China.
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Qin Z, Huang M, Zhang X, Hua Y, Zhang X, Li X, Fan C, Li R, Yang J. Structural and in vivo-in vitro myocardial injury protection features of two novel polysaccharides from Allium macrostemon Bunge and Allium chinense G. Don. Int J Biol Macromol 2024; 264:130537. [PMID: 38432275 DOI: 10.1016/j.ijbiomac.2024.130537] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2023] [Revised: 02/02/2024] [Accepted: 02/27/2024] [Indexed: 03/05/2024]
Abstract
This study aimed to investigate the structural characteristics, in vivo antiatherosclerosis activity, and in vitro myocardial injury protection effects of polysaccharides from Allium macrostemon Bunge and Allium chinense G. Don. Thus, crude polysaccharides of Allium macrostemon Bunge and Allium chinense G. Don significantly reduced serum lipid levels, improved cardiac myocyte morphology and arrangement, and relieved the development of myocardial fibrosis. Meanwhile, the lesion areas of the aorta and aortic valve had evident visual improvements. Furthermore, two main novel purified polysaccharides, namely, AMB-1 and ACGD-1, were isolated and characterized from crude Allium macrostemon Bunge and Allium chinense G. Don fractions, respectively. The purified polysaccharides mainly consisted of fructose and glucose and had molecular weights of 25.22 and 19.53 kDa, respectively. In addition, Fourier transform infrared spectroscopy, methylation, and nuclear magnetic resonance data revealed the primary structures of the AMB1 (or ACGD1) backbone with branched side chains. Scanning electron microscope analysis showed that the purified polysaccharides were both piled together in a lamellar or clastic form with a smooth surface along with linear or irregular bulges. Moreover, the purified polysaccharides both showed nontoxicity on H9c2 cells and effectively dropped hypoxia/reoxygenation-induced apoptosis by the BCL-2/BAX pathway. Overall, the characterization of the structural properties and in vivo and in vitro myocardial injury protection effects of Allium macrostemon Bunge and Allium chinense G. Don polysaccharides enriched our understanding of their nutritional and medicinal values. To the best of our knowledge, this is the first study on the structural characteristics and bioactivities of Allium chinense G. Don polysaccharides.
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Affiliation(s)
- Zifei Qin
- Department of Pharmacy, the First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, China
| | - Meixia Huang
- Department of Pharmacy, the First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, China
| | - Xudong Zhang
- Departments of Hepatobiliary and Pancreatic Surgery, the First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, China
| | - Yuzhuo Hua
- College of Medicine, Henan Engineering Research Center of Funiu Mountain's Medicinal Resources Utilization and Molecular Medicine, Pingdingshan University, Pingdingshan 467000, China
| | - Xiaojian Zhang
- Department of Pharmacy, the First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, China; Henan Engineering Research Center for Application & Translation of Precision Clinical Pharmacy, Zhengzhou 450052, China
| | - Xinqiang Li
- Department of Pathology, the First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, China
| | - Cailian Fan
- College of Medicine, Henan Engineering Research Center of Funiu Mountain's Medicinal Resources Utilization and Molecular Medicine, Pingdingshan University, Pingdingshan 467000, China
| | - Renfeng Li
- Departments of Hepatobiliary and Pancreatic Surgery, the First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, China.
| | - Jing Yang
- Department of Pharmacy, the First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, China; Henan Engineering Research Center for Application & Translation of Precision Clinical Pharmacy, Zhengzhou 450052, China.
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Sunanta P, Rose Sommano S, Luiten CA, Ghofrani M, Sims IM, Bell TJ, Carnachan SM, Hinkley SFR, Kontogiorgos V. Fractionation and characterisation of pectin-rich extracts from garlic biomass. Food Chem 2024; 436:137697. [PMID: 37832418 DOI: 10.1016/j.foodchem.2023.137697] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2023] [Revised: 09/08/2023] [Accepted: 10/06/2023] [Indexed: 10/15/2023]
Abstract
Polysaccharides from garlic waste leaf and skin biomass have been isolated using a sequential extraction protocol and characterised using constituent sugar composition and linkage analysis, spectroscopy, chromatography and dilute solution viscometry. The results revealed that the isolated polysaccharides were predominantly pectins. The predominant monosaccharide in all samples was galacturonic acid (>61 %), followed by galactose and rhamnose. The pectins extracted from skin biomass were mainly homogalacturonan (83-91 %), whereas those extracted from leaf biomass comprised both homogalacturonan (62-65 %) and rhamnogalacturonan-I (35-38 %). The degree of methyl esterification of uronic acids in all samples was 44-56 %. The peak molecular weight of the main polysaccharide population in each sample was ∼ 350 x103 g/mol, with leaf extracts and the skin acidic extract containing a second, lower molecular weight peak. Overall, waste garlic biomass is a potential resource for commercial pectin extraction for use in food or pharmaceutical industries.
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Affiliation(s)
- Piyachat Sunanta
- Research unit for Innovation in responsible Food production for consumption of the Future (RIFF), Multidisciplinary Research Institute, Chiang Mai University, Chiang Mai, Thailand; Plant Bioactive Compound Laboratory (BAC), Faculty of Agriculture, Chiang Mai University, Chiang Mai, Thailand
| | - Sarana Rose Sommano
- Plant Bioactive Compound Laboratory (BAC), Faculty of Agriculture, Chiang Mai University, Chiang Mai, Thailand
| | - Cara A Luiten
- The Ferrier Research Institute, Victoria University of Wellington, 69 Gracefield Road, Lower Hutt 5010, New Zealand
| | - Mahdieh Ghofrani
- The Ferrier Research Institute, Victoria University of Wellington, 69 Gracefield Road, Lower Hutt 5010, New Zealand
| | - Ian M Sims
- The Ferrier Research Institute, Victoria University of Wellington, 69 Gracefield Road, Lower Hutt 5010, New Zealand
| | - Tracey J Bell
- The Ferrier Research Institute, Victoria University of Wellington, 69 Gracefield Road, Lower Hutt 5010, New Zealand
| | - Susan M Carnachan
- The Ferrier Research Institute, Victoria University of Wellington, 69 Gracefield Road, Lower Hutt 5010, New Zealand
| | - Simon F R Hinkley
- The Ferrier Research Institute, Victoria University of Wellington, 69 Gracefield Road, Lower Hutt 5010, New Zealand
| | - Vassilis Kontogiorgos
- Food, Nutrition and Health, Faculty of Land and Food Systems, The University of British Columbia, Vancouver, Canada.
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Shi MZ, Shi Y, Jin HF, Cao J. An efficient mixed enzymes-assisted mechanical bio-extraction of polysaccharides from Dendrobium officinale and determination of monosaccharides by HPLC-Q-TOF/MS. Int J Biol Macromol 2023; 227:986-1000. [PMID: 36464194 DOI: 10.1016/j.ijbiomac.2022.11.275] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2022] [Revised: 11/21/2022] [Accepted: 11/27/2022] [Indexed: 12/03/2022]
Abstract
The mixed enzymes-assisted mechanical bio-extraction method was first used to extract polysaccharides from Dendrobium officinale. Different parameters including the ratio of enzyme, the amount of enzyme, the grinding time, the extraction time and the solid/liquid ratio were investigated by single factor experiments and multifactorial experiments. Through the response surface methodology the optimal extraction conditions were obtained with the ratio of cellulase to pectinase was 2: 1 and total amount of enzyme was 0.23 mg, the grinding time of 11.48 min, the extraction time of 5.99 min. The obtained polysaccharide extracts were hydrolyzed and derivatized and then injected into high performance liquid chromatography-quadrupole time-of-flight mass spectrometry (HPLC-Q-TOF/MS) for monosaccharide composition analysis. After optimization of the chromatographic conditions (including mobile phase and column), twelve monosaccharides were successfully determined within 20 min. The proposed method provided satisfactory linearity with the correlation coefficients higher than 0.99, suitable recoveries (81.46-114.92 %), acceptable reproducibility ranging from 0.06 % to 4.77 %, low limits of detection (0.70-45.45 ng/mL). Compared with other methods, this method makes the extraction efficiency much higher and has the advantages of simple operation, environmental friendliness and mild extraction conditions. Therefore, this method can be used for the extraction of polysaccharides from plants and the determination of monosaccharides and has the potential to be used in more areas.
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Affiliation(s)
- Min-Zhen Shi
- College of Material Chemistry and Chemical Engineering, Hangzhou Normal University, Hangzhou 311121, PR China
| | - Ying Shi
- College of Material Chemistry and Chemical Engineering, Hangzhou Normal University, Hangzhou 311121, PR China
| | - Huang-Fei Jin
- College of Material Chemistry and Chemical Engineering, Hangzhou Normal University, Hangzhou 311121, PR China
| | - Jun Cao
- College of Material Chemistry and Chemical Engineering, Hangzhou Normal University, Hangzhou 311121, PR China.
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Zhang N, Han X, Yu R, Tang X, Zhang B, Zhang Y, Yin X, Ni W, Wang M, Zhang B, Fan J. The interfacial destabilization of bile salt-emulsified oil droplets, essential for lipase function, is mediated by Lycium barbarum L. leaf polysaccharides. Food Hydrocoll 2022. [DOI: 10.1016/j.foodhyd.2022.108303] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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