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Gao C, Yu R, Zhang X, Song X, Che L, Tang Y, Yang J, Hu J, Xiong J, Zhao X, Zhang H. Unraveling novel umami peptides from yeast extract (Saccharomyces cerevisiae) using peptidomics and molecular interaction modeling. Food Chem 2024; 453:139691. [PMID: 38781904 DOI: 10.1016/j.foodchem.2024.139691] [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: 03/01/2024] [Revised: 04/23/2024] [Accepted: 05/13/2024] [Indexed: 05/25/2024]
Abstract
Yeast extract is increasingly becoming an attractive source for unraveling novel umami peptides that are healthier and more nutritious than traditional seasonings. In the present study, a strategy for screening novel umami peptides was established using mass spectrometry-based peptidomics combined with molecular interaction modeling, emphasizing on smaller peptides than previously reported. Four representative novel umami peptides of FE, YDQ, FQEY, and SPFSQ from yeast extract (Saccharomyces cerevisiae) were identified and validated by sensory evaluation, with thresholds determined as 0.234 ± 0.045, 0.576 ± 0.175, 0.327 ± 0.057 and 0.456 ± 0.070 mmol/L, respectively. Hydrogen and ionic bonds were the main characteristic interactions between the umami peptides and the well-recognized receptor T1R1/T1R3, in which Asp 110, Thr 112, Arg 114, Arg 240, Lys 342, and Glu 264 were the key sites in ligand-receptor recognition. Our study provides accurate sequences of umami peptides and molecular interaction mechanism for the umami effect.
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Affiliation(s)
- Chunyu Gao
- College of Food Science and Engineering, Ocean University of China, No. 1299 Sansha Road, Qingdao, Shandong Province 266003, PR China
| | - Rilei Yu
- College of Medicine and Pharmacy, Ocean University of China, No. 23 East Hong Kong Road, Qingdao, Shandong Province 266003, PR China
| | - Xiaomei Zhang
- Technology Center of Qingdao Customs District, No. 83 Xinyue Road, Qingdao, Shandong Province 266109, PR China
| | - Xue Song
- Technology Center of Qingdao Customs District, No. 83 Xinyue Road, Qingdao, Shandong Province 266109, PR China
| | - Lizhi Che
- Technology Center of Qingdao Customs District, No. 83 Xinyue Road, Qingdao, Shandong Province 266109, PR China
| | - Yuying Tang
- College of Food Science and Engineering, Ocean University of China, No. 1299 Sansha Road, Qingdao, Shandong Province 266003, PR China
| | - Jinyue Yang
- Technology Center of Qingdao Customs District, No. 83 Xinyue Road, Qingdao, Shandong Province 266109, PR China
| | - Jing Hu
- The Hubei Provincial Key Laboratory of Yeast Function, Angel Yeast Co. Ltd., Yichang, Hubei Province 443003, PR China
| | - Jian Xiong
- The Hubei Provincial Key Laboratory of Yeast Function, Angel Yeast Co. Ltd., Yichang, Hubei Province 443003, PR China
| | - Xue Zhao
- College of Food Science and Engineering, Ocean University of China, No. 1299 Sansha Road, Qingdao, Shandong Province 266003, PR China.
| | - Hongwei Zhang
- Technology Center of Qingdao Customs District, No. 83 Xinyue Road, Qingdao, Shandong Province 266109, PR China.
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Lin H, Zhao J, Xie Y, Tang J, Wang Q, Zhao J, Xu M, Liu P. Identification and molecular mechanisms of novel antioxidant peptides from fermented broad bean paste: A combined in silico and in vitro study. Food Chem 2024; 450:139297. [PMID: 38631199 DOI: 10.1016/j.foodchem.2024.139297] [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: 09/27/2023] [Revised: 02/07/2024] [Accepted: 04/07/2024] [Indexed: 04/19/2024]
Abstract
This study aimed to investigate the antioxidative and cytoprotective activity of antioxidant peptides from fermented broad bean paste (FBBP) and explore their potential molecular mechanisms using a combined in silico and in vitro approach. Seven novel antioxidant peptides (VSRRFIYYL, SPAIPLP, PVPPPGG, KKDGYWWAKFK, LAWY, LGFMQF, and LPGCP) identified by integrated approaches of peptidomics and in silico bioinformatic analysis were synthesized, exhibiting strong antioxidant potential against in vitro radicals. Molecular docking results suggested that these peptides could form stable hydrogen bonds and solvent-accessible surface with key amino acid residues of Keap1, thus potentially regulating the Keap1-Nrf2 pathway by occupying the Nrf2-binding site on Keap1. Additionally, they exhibited strong cellular antioxidant activity and could protect HepG2 cells from AAPH-induced oxidative injury by reducing reactive oxygen species and MDA accumulation. This study firstly unraveled the molecular mechanisms of antioxidant peptides from FBBP, and provided a new theoretical basis for the high-value utilization of FBBP.
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Affiliation(s)
- Hongbin Lin
- School of Food and Bio-engineering, Xihua University, Chengdu 610039, China; Chongqing Key Laboratory of Specialty Food Co-Built by Sichuan and Chongqing, Chengdu 610039, China.
| | - Jianhua Zhao
- School of Food and Bio-engineering, Xihua University, Chengdu 610039, China
| | - Yuqing Xie
- School of Food and Bio-engineering, Xihua University, Chengdu 610039, China
| | - Jie Tang
- School of Food and Bio-engineering, Xihua University, Chengdu 610039, China; Food Microbiology Key Laboratory of Sichuan Province, Chengdu 610039, China
| | - Qin Wang
- Department of Nutrition and Food Science, University of Maryland, College Park, MD 20742, USA
| | - Jie Zhao
- School of Food and Bio-engineering, Xihua University, Chengdu 610039, China; Chongqing Key Laboratory of Specialty Food Co-Built by Sichuan and Chongqing, Chengdu 610039, China
| | - Min Xu
- School of Food and Bio-engineering, Xihua University, Chengdu 610039, China; Chongqing Key Laboratory of Specialty Food Co-Built by Sichuan and Chongqing, Chengdu 610039, China
| | - Ping Liu
- School of Food and Bio-engineering, Xihua University, Chengdu 610039, China; Chongqing Key Laboratory of Specialty Food Co-Built by Sichuan and Chongqing, Chengdu 610039, China
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3
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Zhao Y, Liu X, Zhang S, Wang Z, Tian S, Wu Q. Identification and Free Radical Scavenging Activity of Oligopeptides from Mixed-Distillate Fermented Baijiu Grains and Soy Sauce Residue. Metabolites 2024; 14:298. [PMID: 38921433 PMCID: PMC11205538 DOI: 10.3390/metabo14060298] [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: 03/24/2024] [Revised: 04/19/2024] [Accepted: 05/02/2024] [Indexed: 06/27/2024] Open
Abstract
This study aimed to explore the potential antioxidant activity and mechanism of oligopeptides from sauce-aroma Baijiu. The oligopeptides of Val-Leu-Pro-Phe (VLPF), Pro-Leu-Phe (PLF), Val-Gly-Phe-Cys (VGFC), Leu-Tyr-Pro (LYP), Leu-Pro-Phe (LPF), and Phe-Thr-Phe (FTF) were identified by liquid chromatography-mass spectrometry (LC-MS) from the mixed-distillate of Baijiu fermented grains and soy sauce residue (MDFS). The antioxidant mechanism of these oligopeptides on scavenging DPPH•, ABTS•+, and hydroxide radicals was investigated, respectively. Among them, VGFC had the strongest potential antioxidant activity, which was responsible for its hydrogen bonds with these radicals with high affinity. The binding energies between VGFC and these radicals were -1.26 kcal/mol, -1.33 kcal/mol, and -1.93 kcal/mol, respectively. Additionally, free radicals prefer to bind the oligopeptide composed of hydrophobic amino acid residues such as Leu, Val, Phe, and Pro, thus being scavenged for exerting antioxidant activity. It provided a new idea for the development and utilization of bioactive oligopeptides in sauce-aroma Baijiu.
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Affiliation(s)
- Yunhao Zhao
- College of Food and Chemical Engineering, Shaoyang University, Shaoyang 422000, China; (Y.Z.); (X.L.); (S.Z.); (Z.W.); (S.T.)
- Hunan Key Laboratory of New Technology and Application of Ecological Brewing, Shaoyang 422000, China
| | - Xiangyue Liu
- College of Food and Chemical Engineering, Shaoyang University, Shaoyang 422000, China; (Y.Z.); (X.L.); (S.Z.); (Z.W.); (S.T.)
- Hunan Key Laboratory of New Technology and Application of Ecological Brewing, Shaoyang 422000, China
| | - Sijie Zhang
- College of Food and Chemical Engineering, Shaoyang University, Shaoyang 422000, China; (Y.Z.); (X.L.); (S.Z.); (Z.W.); (S.T.)
- Hunan Key Laboratory of New Technology and Application of Ecological Brewing, Shaoyang 422000, China
| | - Zhengwei Wang
- College of Food and Chemical Engineering, Shaoyang University, Shaoyang 422000, China; (Y.Z.); (X.L.); (S.Z.); (Z.W.); (S.T.)
- Hunan Key Laboratory of New Technology and Application of Ecological Brewing, Shaoyang 422000, China
| | - Shanlin Tian
- College of Food and Chemical Engineering, Shaoyang University, Shaoyang 422000, China; (Y.Z.); (X.L.); (S.Z.); (Z.W.); (S.T.)
- Hunan Key Laboratory of New Technology and Application of Ecological Brewing, Shaoyang 422000, China
| | - Qiang Wu
- College of Food and Chemical Engineering, Shaoyang University, Shaoyang 422000, China; (Y.Z.); (X.L.); (S.Z.); (Z.W.); (S.T.)
- Hunan Key Laboratory of New Technology and Application of Ecological Brewing, Shaoyang 422000, China
- Shaoyang Engineering Technology Research Center of Functional Fertilizer, Shaoyang 422002, China
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4
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Zheng K, Wu Y, Dai Q, Yan X, Liu Y, Sun D, Yu Z, Jiang S, Ma Q, Jiang W. Extraction, identification, and molecular mechanisms of α-glucosidase inhibitory peptides from defatted Antarctic krill (Euphausia superba) powder hydrolysates. Int J Biol Macromol 2024; 266:131126. [PMID: 38527682 DOI: 10.1016/j.ijbiomac.2024.131126] [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: 09/04/2023] [Revised: 03/14/2024] [Accepted: 03/22/2024] [Indexed: 03/27/2024]
Abstract
The objective of this study was to explore the potential of Antarctic krill-derived peptides as α-glucosidase inhibitors for the treatment of type 2 diabetes. The enzymolysis conditions of α-glucosidase inhibitory peptides were optimized by response surface methodology (RSM), a statistical method that efficiently determines optimal conditions with a limited number of experiments. Gel chromatography and LC-MS/MS techniques were utilized to determine the molecular weight (Mw) distribution and sequences of the hydrolysates. The identification and analysis of the mechanism behind α-glucosidase inhibitory peptides were conducted through conventional and computer-assisted techniques. The binding affinities between peptides and α-glucosidase were further validated using BLI (biolayer interferometry) assay. The results revealed that hydrolysates generated by neutrase exhibited the highest α-glucosidase inhibition rate. Optimal conditions for hydrolysis were determined to be an enzyme concentration of 6 × 103 U/g, hydrolysis time of 5.4 h, and hydrolysis temperature of 45 °C. Four peptides (LPFQR, PSFD, PSFDF, VPFPR) with strong binding affinities to the active site of α-glucosidase, primarily through hydrogen bonding and hydrophobic interactions. This study highlights the prospective utility of Antarctic krill-derived peptides in curtailing α-glucosidase activity, offering a theoretical foundation for the development of novel α-glucosidase inhibitors and related functional foods to enhance diabetes management.
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Affiliation(s)
- Kewei Zheng
- Key Laboratory of Key Technical Factors in Zhejiang Seafood Health Hazards, College of Food and Pharmacy, Zhejiang Ocean University, Zhoushan 316022, China
| | - Yuanyuan Wu
- Institute of Innovation and Application, Zhejiang Ocean University, Zhoushan 316022, China
| | - Qingfei Dai
- Marine Science College, Zhejiang Ocean University, Zhoushan 316022, China
| | - Xiaojun Yan
- Key Laboratory of Key Technical Factors in Zhejiang Seafood Health Hazards, College of Food and Pharmacy, Zhejiang Ocean University, Zhoushan 316022, China; Institute of Innovation and Application, Zhejiang Ocean University, Zhoushan 316022, China; Marine Science College, Zhejiang Ocean University, Zhoushan 316022, China
| | - Yu Liu
- Key Laboratory of Key Technical Factors in Zhejiang Seafood Health Hazards, College of Food and Pharmacy, Zhejiang Ocean University, Zhoushan 316022, China; Institute of Innovation and Application, Zhejiang Ocean University, Zhoushan 316022, China
| | - Di Sun
- Institute of Innovation and Application, Zhejiang Ocean University, Zhoushan 316022, China
| | - Zhongjie Yu
- Institute of Innovation and Application, Zhejiang Ocean University, Zhoushan 316022, China
| | - Shuoqi Jiang
- Key Laboratory of Industrial Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, Wuxi 214122, China
| | - Qingbao Ma
- Institute of Innovation and Application, Zhejiang Ocean University, Zhoushan 316022, China.
| | - Wei Jiang
- Key Laboratory of Key Technical Factors in Zhejiang Seafood Health Hazards, College of Food and Pharmacy, Zhejiang Ocean University, Zhoushan 316022, China; Institute of Innovation and Application, Zhejiang Ocean University, Zhoushan 316022, China.
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Aquino ME, Drago SR, Sánchez de Medina F, Martínez-Augustin O, Cian RE. Anti-diabetic properties of brewer's spent yeast peptides. In vitro, in silico and ex vivo study after simulated gastrointestinal digestion. Food Funct 2024; 15:3778-3790. [PMID: 38511218 DOI: 10.1039/d3fo04040b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/22/2024]
Abstract
Brewer's spent yeast (BSY) hydrolysates are a source of antidiabetic peptides. Nevertheless, the impact of in vitro gastrointestinal digestion of BSY derived peptides on diabetes has not been assessed. In this study, two BSY hydrolysates were obtained (H1 and H2) using β-glucanase and alkaline protease, with either 1 h or 2 h hydrolysis time for H1 and H2, respectively. These hydrolysates were then subjected to simulated gastrointestinal digestion (SGID), obtaining dialysates D1 and D2, respectively. BSY hydrolysates inhibited the activity of α-glucosidase and dipeptidyl peptidase IV (DPP-IV) enzymes. Moreover, although D2 was inactive against these enzymes, D1 IC50 value was lower than those found for the hydrolysates. Interestingly, after electrophoretic separation, D1 mannose-linked peptides showed the highest α-glucosidase inhibitory activity, while non-glycosylated peptides had the highest DPP-IV inhibitory activity. Kinetic analyses showed a non-competitive mechanism in both cases. After peptide identification, GILFVGSGVSGGEEGAR and IINEPTAAAIAYGLDK showed the highest in silico anti-diabetic activities among mannose-linked and non-glycosylated peptides, respectively (AntiDMPpred score: 0.70 and 0.77). Molecular docking also indicated that these peptides act as non-competitive inhibitors. Finally, an ex vivo model of mouse jejunum organoids was used to study the effect of D1 on the expression of intestinal epithelial genes related to diabetes. The reduction of the expression of genes that codify lactase, sucrase-isomaltase and glucose transporter 2 was observed, as well as an increase in the expression of Gip (glucose-dependent insulinotropic peptide) and Glp1 (glucagon-like peptide 1). This is the first report to evaluate the anti-diabetic effect of BSY peptides in mouse jejunum organoids.
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Affiliation(s)
- Marilin E Aquino
- Instituto de Tecnología de Alimentos, CONICET, FIQ - UNL, 1° de Mayo 3250, (3000) Santa Fe, Argentina
| | - Silvina R Drago
- Instituto de Tecnología de Alimentos, CONICET, FIQ - UNL, 1° de Mayo 3250, (3000) Santa Fe, Argentina
| | - Fermín Sánchez de Medina
- Department of Pharmacology, CIBERehd, School of Pharmacy, Instituto de Investigación Biosanitaria ibs.GRANADA, University of Granada, Granada, Spain
| | - Olga Martínez-Augustin
- Department of Biochemistry and Molecular Biology II, CIBERehd, School of Pharmacy, Instituto de Investigación Biosanitaria ibs.GRANADA, Instituto de Nutrición y Tecnología de los Alimentos José Mataix, University of Granada, Granada, Spain.
| | - Raúl E Cian
- Instituto de Tecnología de Alimentos, CONICET, FIQ - UNL, 1° de Mayo 3250, (3000) Santa Fe, Argentina
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Wei G, Wang T, Li Y, He R, Huang A, Wang X. Identification, structural characterization, and molecular dynamic simulation of ACE inhibitory peptides in whey hydrolysates from Chinese Rushan cheese by-product. Food Chem X 2024; 21:101211. [PMID: 38384691 PMCID: PMC10878854 DOI: 10.1016/j.fochx.2024.101211] [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: 11/07/2023] [Revised: 02/05/2024] [Accepted: 02/05/2024] [Indexed: 02/23/2024] Open
Abstract
To realize the high-value utilization of Rushan cheese by-product, Rushan cheese whey was used as a raw material to prepare angiotensin-Ⅰ-converting enzyme inhibitory peptides (ACEIPs). After enzymatic hydrolysisn and ultrafiltration, the sequences of peptides were identified by liquid chromatography-mass spectrometry/mass spectrometry (LC-MS/MS). Two novel ACE inhibitory peptides Phe-Asp-Arg-Pro-Phe-Leu (FDRPFL) and Lys-Trp-Glu-Lys-Pro-Phe (KWEKPF) were identified. Additionally, both of the peptides exhibited good water-solubility and no toxicity according to in-silico prediction. Fourier transform infrared spectroscopy results show that both FDRPFL and KWEKPF were enriched in β-turn and β-sheet structures. Lineweaver-Burk plots revealed that FDRPFL and KWEKPF exhibited non-competitive and mixed inhibition patterns, respectively. Molecular docking and MD simulation showed that hydrogen bonds and ionic bonds forces allowed FDRPFL and KWEKPF to form stable and compact complexes with ACE. In conclusion, enzymatic hydrolysis of Rushan cheese by-products yields bioactive peptides, increases the added value of whey and reduces environmental pollution.
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Affiliation(s)
- Guangqiang Wei
- College of Food Science & Technology, Yunnan Agricultural University, Kunming 650201, Yunnan, China
| | - Teng Wang
- College of Food Science & Technology, Yunnan Agricultural University, Kunming 650201, Yunnan, China
| | - Yiyan Li
- College of Food Science & Technology, Yunnan Agricultural University, Kunming 650201, Yunnan, China
| | - Rong He
- College of Food Science and Engineering, Nanjing University of Finance and Economics, Nanjing 210003, Jiangsu, China
| | - Aixiang Huang
- College of Food Science & Technology, Yunnan Agricultural University, Kunming 650201, Yunnan, China
| | - Xuefeng Wang
- College of Food Science & Technology, Yunnan Agricultural University, Kunming 650201, Yunnan, China
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Lin L, Li C, Zhang Y, Zhang L, Gao L, Jin L, Shu Y, Shen Y. Effects of an Akt-activating peptide obtained from walnut protein degradation on the prevention of memory impairment in mice. Food Funct 2024; 15:2115-2130. [PMID: 38305469 DOI: 10.1039/d3fo04479c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2024]
Abstract
Akt acts as a central protein influencing multiple pathologies in neurodegenerative diseases including AD and PD, and using Akt activators is a promising management strategy. The current study characterized the effects of an Akt-activating peptide (Glu-Pro-Glu-Val-Leu-Pro, EPEVLR) obtained from walnut protein degradation on D-gal-induced memory impairment in mice. EPEVLR was obtained by hydrolysis of walnut proteins, identification of peptide sequences, and screening for molecular docking sequentially. The MWM test in mice indicated that the oral administration of EPEVLR (80, 200 and 400 mg per kg per day) significantly (p < 0.05) reversed D-gal-induced memory impairment. WB tests of the mouse hippocampus confirmed that EPEVLR could activate Akt by promoting its phosphorylation. In addition, further characterization (including TEM, ELISA, and immunohistochemistry) related to Akt phosphorylation showed lower Aβ and p-tau levels, as well as more autophagosomes than those in the model group. Moreover, the EPEVLR treatment significantly increased Lactobacillus abundance and reduced Helicobacter abundance in the gut microbiome and caused up-regulation of SCFAs and down-regulation of LPS of serum metabolites. Therefore, EPEVLR ingestion reversed cognitive impairment symptoms, possibly related to the activation of Akt and regulation of the intestinal flora pathway. Consumption of an EPEVLR-containing diet is beneficial for treating cognitive dysfunction.
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Affiliation(s)
- Like Lin
- Key Laboratory of Synthetic and Natural Functional Molecule of Ministry of Education, College of Chemistry and Materials Science, National Demonstration Center for Experimental Chemistry Education, Northwest University, Xi'an, Shaanxi 710127, China.
| | - Cong Li
- Key Laboratory of Synthetic and Natural Functional Molecule of Ministry of Education, College of Chemistry and Materials Science, National Demonstration Center for Experimental Chemistry Education, Northwest University, Xi'an, Shaanxi 710127, China.
| | - Yujiao Zhang
- Key Laboratory of Synthetic and Natural Functional Molecule of Ministry of Education, College of Chemistry and Materials Science, National Demonstration Center for Experimental Chemistry Education, Northwest University, Xi'an, Shaanxi 710127, China.
| | - Li Zhang
- Key Laboratory of Synthetic and Natural Functional Molecule of Ministry of Education, College of Chemistry and Materials Science, National Demonstration Center for Experimental Chemistry Education, Northwest University, Xi'an, Shaanxi 710127, China.
| | - Lu Gao
- Key Laboratory of Synthetic and Natural Functional Molecule of Ministry of Education, College of Chemistry and Materials Science, National Demonstration Center for Experimental Chemistry Education, Northwest University, Xi'an, Shaanxi 710127, China.
| | - Lihua Jin
- Key Laboratory of Synthetic and Natural Functional Molecule of Ministry of Education, College of Chemistry and Materials Science, National Demonstration Center for Experimental Chemistry Education, Northwest University, Xi'an, Shaanxi 710127, China.
| | - Yu Shu
- College of Food Science and Technology, Northwest University, Xi'an, Shaanxi 710069, China
| | - Yehua Shen
- Key Laboratory of Synthetic and Natural Functional Molecule of Ministry of Education, College of Chemistry and Materials Science, National Demonstration Center for Experimental Chemistry Education, Northwest University, Xi'an, Shaanxi 710127, China.
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Kong X, Wang W, Zhong Y, Wang N, Bai K, Wu Y, Qi Q, Zhang Y, Liu X, Xie J. Recent advances in the exploration and discovery of SARS-CoV-2 inhibitory peptides from edible animal proteins. Front Nutr 2024; 11:1346510. [PMID: 38389797 PMCID: PMC10883054 DOI: 10.3389/fnut.2024.1346510] [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: 12/01/2023] [Accepted: 01/22/2024] [Indexed: 02/24/2024] Open
Abstract
The severe acute respiratory syndrome coronavirus type 2 (SARS-CoV-2), which causes the coronavirus disease 2019 (COVID-19), is spreading worldwide. Although the COVID-19 epidemic has passed its peak of transmission, the harm it has caused deserves our attention. Scientists are striving to develop medications that can effectively treat COVID-19 symptoms without causing any adverse reactions. SARS-CoV-2 inhibitory peptides derived from animal proteins have a wide range of functional activities in addition to safety. Identifying animal protein sources is crucial to obtaining SARS-CoV-2 inhibitory peptides from animal sources. This review aims to reveal the mechanisms of action of these peptides on SARS-CoV-2 and the possibility of animal proteins as a material source of SARS-CoV-2 inhibitory peptides. Also, it introduces the utilization of computer-aided design methods, phage display, and drug delivery strategies in the research on SARS-CoV-2 inhibitor peptides from animal proteins. In order to identify new antiviral peptides and boost their efficiency, we recommend investigating the interaction between SARS-CoV-2 inhibitory peptides from animal protein sources and non-structural proteins (Nsps) using a variety of technologies, including computer-aided drug approaches, phage display techniques, and drug delivery techniques. This article provides useful information for the development of novel anti-COVID-19 drugs.
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Affiliation(s)
- Xiaoyue Kong
- College of Food and Health, Zhejiang Agriculture and Forestry University, Hangzhou, China
- School of Biological and Chemical Engineering, Zhejiang University of Science and Technology, Hangzhou, China
| | - Wei Wang
- School of Biological and Chemical Engineering, Zhejiang University of Science and Technology, Hangzhou, China
| | - Yizhi Zhong
- Department of Anesthesiology, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, Hangzhou, China
| | - Nan Wang
- College of Biology and Environmental Engineering, Zhejiang Shuren University, Hangzhou, China
| | - Kaiwen Bai
- School of Biological and Chemical Engineering, Zhejiang University of Science and Technology, Hangzhou, China
| | - Yi Wu
- School of Biological and Chemical Engineering, Zhejiang University of Science and Technology, Hangzhou, China
| | - Qianhui Qi
- School of Biological and Chemical Engineering, Zhejiang University of Science and Technology, Hangzhou, China
| | - Yu Zhang
- Institute of Quality and Standard for Agriculture Products, Zhejiang Academy of Agricultural Science, Hangzhou, China
| | - Xingquan Liu
- College of Food and Health, Zhejiang Agriculture and Forestry University, Hangzhou, China
| | - Junran Xie
- Department of Anesthesiology, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, Hangzhou, China
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9
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Guo Q, Peng J, He Y. A Systematic Comparative Study on the Physicochemical Properties, Volatile Compounds, and Biological Activity of Typical Fermented Soy Foods. Foods 2024; 13:415. [PMID: 38338550 PMCID: PMC10855112 DOI: 10.3390/foods13030415] [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: 01/08/2024] [Revised: 01/24/2024] [Accepted: 01/25/2024] [Indexed: 02/12/2024] Open
Abstract
Fermented soy foods can effectively improve the unpleasant odor of soybean and reduce its anti-nutritional factors while forming aromatic and bioactive compounds. However, a differential analysis of characteristic flavor and function among different fermented soy foods has yet to be conducted. In this study, a systematic comparison of different fermented soy foods was performed using E-nose, HS-SMPE-GC×GC-MS, bioactivity validation, and correlation analysis. The results showed that soy sauce and natto flavor profiles significantly differed from other products. Esters and alcohols were the main volatile substances in furu, broad bean paste, douchi, doujiang, and soy sauce, while pyrazine substances were mainly present in natto. Phenylacetaldehyde contributed to the sweet aroma of furu, while 1-octene-3-ol played a crucial role in the flavor formation of broad bean paste. 2,3-Butanediol and ethyl phenylacetate contributed fruity and honey-like aromas to douchi, doujiang, and soy sauce, respectively, while benzaldehyde played a vital role in the flavor synthesis of douchi. All six fermented soy foods demonstrated favorable antioxidative and antibacterial activities, although their efficacy varied significantly. This study lays the foundation for elucidating the mechanisms of flavor and functionality formation in fermented soy foods, which will help in the targeted development and optimization of these products.
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Affiliation(s)
- Qingyan Guo
- Food Microbiology Key Laboratory of Sichuan Province, School of Food and Bioengineering, Xihua University, Chengdu 610039, China; (J.P.); (Y.H.)
- Chongqing Key Laboratory of Speciality Food Co-Built by Sichuan and Chongqing, Chengdu 610039, China
| | - Jiabao Peng
- Food Microbiology Key Laboratory of Sichuan Province, School of Food and Bioengineering, Xihua University, Chengdu 610039, China; (J.P.); (Y.H.)
| | - Yujie He
- Food Microbiology Key Laboratory of Sichuan Province, School of Food and Bioengineering, Xihua University, Chengdu 610039, China; (J.P.); (Y.H.)
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10
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Hu X, Yang Y, Chang C, Li J, Su Y, Gu L. The targeted development of collagen-active peptides based on composite enzyme hydrolysis: a study on the structure-activity relationship. Food Funct 2024; 15:401-410. [PMID: 38099483 DOI: 10.1039/d3fo04455f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2024]
Abstract
Fish collagen, derived from sustainable sources, offers a valuable substrate for generating peptides with diverse biofunctionalities. In this study, alkaline, papain, and ginger protease were used to enzymatically hydrolyze fish skin collagen. The peptide molecular weight distribution and sequence were measured using HPLC and ICP-MS-MS, with papain/alkaline protease (AP) and papain/alkaline/ginger protease (APG) hydrolyzed samples compared. As the results showed, the incorporation of ginger protease was useful for increasing the degree of hydrolysis, with the content of <400 Da peptides increasing from 49.82% to 58.56%. The identified peptide sequence in the APG sample had more proline at the C-terminal. The peptides were separated into two components (different in molecular weight) using gel column chromatography. The molecular weight distribution, amino acid composition, ACE inhibitory activity, and fibroblast proliferation activity of the collected components were measured. In comparison, the contents of proline and hydroxyproline in the larger peptides decreased obviously after combined hydrolysis by ginger protease, reflecting the formation of a peptide sequence of smaller molecular weight containing glycine and hydroxyproline. The combined hydrolysis of ginger protease was beneficial for the improvement of the ACE inhibitory activity of the sample. However, the fibroblast proliferation activity of AP was higher than that of APG, indicating that further hydrolysis by ginger protease may destroy the hydroxyproline at the end of the peptide sequence. This study proposed a creative directional hydrolysis method and provided practical guidance for the production of collagen peptides with enhanced functional activity.
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Affiliation(s)
- Xinnuo Hu
- School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, 214122, PR China.
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, 214122, China
| | - Yanjun Yang
- School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, 214122, PR China.
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, 214122, China
| | - Cuihua Chang
- School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, 214122, PR China.
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, 214122, China
| | - Junhua Li
- School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, 214122, PR China.
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, 214122, China
| | - Yujie Su
- School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, 214122, PR China.
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, 214122, China
| | - Luping Gu
- School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, 214122, PR China.
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, 214122, China
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11
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Dong Y, Yan W, Zhang YQ, Dai ZY. A novel angiotensin-converting enzyme (ACE) inhibitory peptide from tilapia skin: Preparation, identification and its potential antihypertensive mechanism. Food Chem 2024; 430:137074. [PMID: 37549627 DOI: 10.1016/j.foodchem.2023.137074] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2023] [Revised: 07/27/2023] [Accepted: 07/31/2023] [Indexed: 08/09/2023]
Abstract
To obtain food-derived peptides with high ACE inhibitory activity, tilapia skin was pretreated with steam explosion prior to enzymatic hydrolysis. The results showed that steam explosion pretreatment improved the hydrolysis efficiency and ACE inhibitory activity of fish skin hydrolysates. A novel ACE inhibitory peptide VGLFPSRSF (1009.17 Da) was obtained from steam-exploded fish skin hydrolysates. VGLFPSRSF had an IC50 value of 61.43 μM for ACE inhibitory activity, showing a non-competitive binding mode and gastrointestinal enzyme hydrolysis resistance. Molecular docking results showed that VGLFPSRSF interacted with ACE receptor protein through hydrogen bonding and hydrophobic interactions. Based on the results of network pharmacological analysis and molecular docking, VGLFPSRSF might regulate blood pressure through interaction with hypertensive targets such as AKT1, ACE, CD4, REN, and MMP9. Steam-exploded tilapia skin peptides had potential antihypertension activity and might be promising to achieve high-value utilization of fish skin by-products.
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Affiliation(s)
- Ye Dong
- Collaborative Innovation Center of Seafood Deep Processing, Key Laboratory of Aquatic Products Processing of Zhejiang Province, Institute of Seafood, Zhejiang Gongshang University, Hangzhou 310035, China
| | - Wen Yan
- Collaborative Innovation Center of Seafood Deep Processing, Key Laboratory of Aquatic Products Processing of Zhejiang Province, Institute of Seafood, Zhejiang Gongshang University, Hangzhou 310035, China
| | - Yi-Qi Zhang
- Collaborative Innovation Center of Seafood Deep Processing, Key Laboratory of Aquatic Products Processing of Zhejiang Province, Institute of Seafood, Zhejiang Gongshang University, Hangzhou 310035, China.
| | - Zhi-Yuan Dai
- Collaborative Innovation Center of Seafood Deep Processing, Key Laboratory of Aquatic Products Processing of Zhejiang Province, Institute of Seafood, Zhejiang Gongshang University, Hangzhou 310035, China
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12
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Zou L, Yu X, Cai K, Xu B, Chen C, Xiao G. Identification of antioxidant peptides targeting Keap1-Nrf2-ARE pathway from in vitro digestion of pork sausage with partial substitution of NaCl by KCl. Food Res Int 2023; 174:113585. [PMID: 37986452 DOI: 10.1016/j.foodres.2023.113585] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2023] [Revised: 10/11/2023] [Accepted: 10/13/2023] [Indexed: 11/22/2023]
Abstract
The Kelch-like ECH-associated protein 1 (Keap1)-nuclear factor erythroid 2-related factor 2 (Nrf2)-antioxidant response elements (ARE) pathway is one of the most important cellular defense mechanisms against oxidative stress. This study focuses on finding antioxidant peptides from in vitro digestion products of pork sausage with partial substitution of NaCl by KCl by virtual screening. Six antioxidant peptides, LIVGFPAYGH, DWWGSTVR, WNSLLIR, IVGFPAYGH, FDNLWDQGL, and LRSPSWDPF, could activate the Keap1-Nrf2-ARE pathway and protect cells from oxidative stress. DWWGSTVR exhibits the most robust activity among them. Further studies indicated that DWWGSTVR could increase the expression of many antioxidant enzymes by enabling the transfer of Nrf2 from the cytoplasm to the nucleus. In summary, these six peptides are proven to be Nrf2 activators and could be used as functional foods to prevent and treat various oxidative stress-induced diseases.
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Affiliation(s)
- Lifang Zou
- China Light Industry Key Laboratory of Meat Microbial Control and Utilization, Hefei University of Technology, Hefei 230009, Anhui Province, People's Republic of China; School of Food and Biological Engineering, Hefei University of Technology, Hefei 230009, Anhui Province, People's Republic of China
| | - Xia Yu
- China Light Industry Key Laboratory of Meat Microbial Control and Utilization, Hefei University of Technology, Hefei 230009, Anhui Province, People's Republic of China; School of Food and Biological Engineering, Hefei University of Technology, Hefei 230009, Anhui Province, People's Republic of China
| | - Kezhou Cai
- China Light Industry Key Laboratory of Meat Microbial Control and Utilization, Hefei University of Technology, Hefei 230009, Anhui Province, People's Republic of China; Engineering Research Center of Bio-process from Ministry of Education, Hefei University of Technology, Hefei 230009, Anhui Province, People's Republic of China; School of Food and Biological Engineering, Hefei University of Technology, Hefei 230009, Anhui Province, People's Republic of China
| | - Baocai Xu
- China Light Industry Key Laboratory of Meat Microbial Control and Utilization, Hefei University of Technology, Hefei 230009, Anhui Province, People's Republic of China; School of Food and Biological Engineering, Hefei University of Technology, Hefei 230009, Anhui Province, People's Republic of China
| | - Conggui Chen
- China Light Industry Key Laboratory of Meat Microbial Control and Utilization, Hefei University of Technology, Hefei 230009, Anhui Province, People's Republic of China; Engineering Research Center of Bio-process from Ministry of Education, Hefei University of Technology, Hefei 230009, Anhui Province, People's Republic of China; School of Food and Biological Engineering, Hefei University of Technology, Hefei 230009, Anhui Province, People's Republic of China.
| | - Guiran Xiao
- China Light Industry Key Laboratory of Meat Microbial Control and Utilization, Hefei University of Technology, Hefei 230009, Anhui Province, People's Republic of China; School of Food and Biological Engineering, Hefei University of Technology, Hefei 230009, Anhui Province, People's Republic of China.
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13
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Shukla P, Sakure A, Basaiawmoit B, Khakhariya R, Maurya R, Bishnoi M, Kondepudi KK, Liu Z, Padhi S, Rai AK, Hati S. Molecular binding mechanism and novel antidiabetic and anti-hypertensive bioactive peptides from fermented camel milk with anti-inflammatory activity in raw macrophages cell lines. Amino Acids 2023; 55:1621-1640. [PMID: 37749439 DOI: 10.1007/s00726-023-03335-9] [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: 10/18/2022] [Accepted: 09/12/2023] [Indexed: 09/27/2023]
Abstract
The investigation was to determine the effect of camel milk fermented with Limosilactobacillus fermentum KGL4 (MTCC 25515) on ACE-inhibiting, anti-inflammatory, and diabetes-preventing properties and also to release the novel peptides with antidiabetic and anti-hypertensive attributes with molecular interaction studies. Growth conditions were optimised on the basis of total peptide production by inoculating the culture in camel milk at different rates (1.5, 2.0, and 2.5%) along with different incubation periods (12, 24, 36, and 48 h). However, after 48 h of fermentation with a 2.5% rate of inoculum, the highest proteolytic activity was obtained. Reverse phase high-pressure liquid chromatography (RP-HPLC) was used to calculate the % Rpa from permeates of 3 kDa and 10 kDa fractions. Molecular weight distributions of fermented and unfermented camel milk protein fractions were compared using SDS-PAGE. Spots obtained from 2D gel electrophoresis were separated on the basis of pH and molecular weight. Spots obtained from 2D gel were digested with trypsin, and the digested samples were subjected to RP-LC/MS for the generation of peptide sequences. The inhibition of tumour necrosis factor alpha, interleukin-6, and interleukin-1 during fermentation was studied using RAW 264.7 macrophages. In the study, fermented camel milk with KGL4 (CMKGL4) inhibited LPS-induced nitric oxide (NO) production and pro-inflammatory cytokine production (TNF-α, IL-6, and IL-1β) by the murine macrophages. The results showed that the peptide structures (YLEELHRLNK and YLQELYPHSSLKVRPILK) exhibited considerable binding affinity against hPAM and hMGA during molecular interaction studies.
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Affiliation(s)
- Pratik Shukla
- Dairy Microbiology Department, SMC College of Dairy Science, Kamdhenu University, Anand, 388110, Gujarat, India
| | - Amar Sakure
- Department of Plant Biotechnology, B.A College of Agriculture, Anand Agricultural University, Anand, 388110, Gujarat, India
| | - Bethsheba Basaiawmoit
- Dept. of Rural Development and Agricultural Production, North-Eastern Hill University, Tura Campus, Chasingre, 794002, Meghalaya, India
| | - Ruchita Khakhariya
- Dairy Microbiology Department, SMC College of Dairy Science, Kamdhenu University, Anand, 388110, Gujarat, India
| | - Ruchika Maurya
- Healthy Gut Research Group, Food and Nutritional Biotechnology Division, Centre of Excellence in Functional Foods, National Agri-Food Biotechnology Institute (NABI), Knowledge City, Sector 81, SAS Nagar, 140306, Punjab, India
- Regional Center for Biotechnology, Faridabad, 121001, Haryana, India
| | - Mahendra Bishnoi
- Healthy Gut Research Group, Food and Nutritional Biotechnology Division, Centre of Excellence in Functional Foods, National Agri-Food Biotechnology Institute (NABI), Knowledge City, Sector 81, SAS Nagar, 140306, Punjab, India
| | - Kanthi Kiran Kondepudi
- Healthy Gut Research Group, Food and Nutritional Biotechnology Division, Centre of Excellence in Functional Foods, National Agri-Food Biotechnology Institute (NABI), Knowledge City, Sector 81, SAS Nagar, 140306, Punjab, India
| | - Zhenbin Liu
- School of Food and Biological Engineering, Shaanxi University of Science and Technology, 18, Xi'an, 710021, China
| | - Srichandan Padhi
- Institute of Bioresources and Sustainable Development, Regional Centre, Tadong, 737102, Sikkim, India
| | - Amit Kumar Rai
- Healthy Gut Research Group, Food and Nutritional Biotechnology Division, Centre of Excellence in Functional Foods, National Agri-Food Biotechnology Institute (NABI), Knowledge City, Sector 81, SAS Nagar, 140306, Punjab, India
| | - Subrota Hati
- Dairy Microbiology Department, SMC College of Dairy Science, Kamdhenu University, Anand, 388110, Gujarat, India.
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14
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Deng F, Liang Y, Lei Y, Xiong S, Rong J, Hu Y. Development and Identification of Novel α-Glucosidase Inhibitory Peptides from Mulberry Leaves. Foods 2023; 12:3917. [PMID: 37959036 PMCID: PMC10649714 DOI: 10.3390/foods12213917] [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: 09/19/2023] [Revised: 10/15/2023] [Accepted: 10/23/2023] [Indexed: 11/15/2023] Open
Abstract
The mulberry leaf is a botanical resource that possesses a substantial quantity of protein. In this study, alcalase hydrolysis conditions of mulberry leaf protein were optimized using the response surface method. The results showed that the optimum conditions were as follows: substrate protein concentration was 0.5% (w/v), enzymatic hydrolysis temperature was 53.0 °C, enzymatic hydrolysis time was 4.7 h, enzyme amount was 17,800 U/g, and pH was 10.5. Then mulberry leaf peptides were separated by ultrafiltration according to molecular weight. Peptides (<3 kDa) were screened and subsequently identified using LC-MS/MS after the evaluation of α-glucosidase inhibition across various fractions. Three novel potential bioactive peptides RWPFFAFM (1101.32 Da), AAGRLPGY (803.91 Da), and VVRDFHNA (957.04 Da) with the lowest average docking energy were screened for molecular dynamics simulation to examine their binding stability with enzymes in a 37 °C simulated human environment. Finally, they were prepared by solid phase synthesis for in vitro verification. The former two peptides exhibited better IC50 values (1.299 mM and 1.319 mM, respectively). These results suggest that the α-glucosidase inhibitory peptides from mulberry leaf protein are potential functional foods or drugs for diabetes treatment, but further in vivo studies are needed to identify the bioavailability and toxicity.
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Affiliation(s)
- Fanghui Deng
- College of Food Science and Technology, Huazhong Agricultural University, Wuhan 430070, China
| | - Yihao Liang
- College of Food Science and Technology, Huazhong Agricultural University, Wuhan 430070, China
| | - Yuelei Lei
- College of Food Science and Technology, Huazhong Agricultural University, Wuhan 430070, China
| | - Shanbai Xiong
- College of Food Science and Technology, Huazhong Agricultural University, Wuhan 430070, China
| | - Jianhua Rong
- College of Food Science and Technology, Huazhong Agricultural University, Wuhan 430070, China
| | - Yang Hu
- College of Food Science and Technology, Huazhong Agricultural University, Wuhan 430070, China
- Bioactive Peptide Technology Hubei Engineering Research Center, Jingzhou 434000, China
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15
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Lu H, Xie T, Wu Q, Hu Z, Luo Y, Luo F. Alpha-Glucosidase Inhibitory Peptides: Sources, Preparations, Identifications, and Action Mechanisms. Nutrients 2023; 15:4267. [PMID: 37836551 PMCID: PMC10574726 DOI: 10.3390/nu15194267] [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: 09/18/2023] [Revised: 09/29/2023] [Accepted: 10/03/2023] [Indexed: 10/15/2023] Open
Abstract
With the change in people's lifestyle, diabetes has emerged as a chronic disease that poses a serious threat to human health, alongside tumor, cardiovascular, and cerebrovascular diseases. α-glucosidase inhibitors, which are oral drugs, have proven effective in preventing and managing this disease. Studies have suggested that bioactive peptides could serve as a potential source of α-glucosidase inhibitors. These peptides possess certain hypoglycemic activity and can effectively regulate postprandial blood glucose levels by inhibiting α-glucosidase activity, thus intervening and regulating diabetes. This paper provides a systematic summary of the sources, isolation, purification, bioavailability, and possible mechanisms of α-glucosidase inhibitory peptides. The sources of the α-glucosidase inhibitory peptides were introduced with emphasis on animals, plants, and microorganisms. This paper also points out the problems in the research process of α-glucosidase inhibitory peptide, with a view to providing certain theoretical support for the further study of this peptide.
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Affiliation(s)
- Han Lu
- Hunan Key Laboratory of Grain-Oil Deep Process and Quality Control, Central South University of Forestry and Technology, Changsha 410004, China; (H.L.); (T.X.); (Q.W.); (Z.H.)
| | - Tiantian Xie
- Hunan Key Laboratory of Grain-Oil Deep Process and Quality Control, Central South University of Forestry and Technology, Changsha 410004, China; (H.L.); (T.X.); (Q.W.); (Z.H.)
- Hunan Key Laboratory of Forestry Edible Resources Safety and Processing, Central South University of Forestry and Technology, Changsha 410004, China
| | - Qi Wu
- Hunan Key Laboratory of Grain-Oil Deep Process and Quality Control, Central South University of Forestry and Technology, Changsha 410004, China; (H.L.); (T.X.); (Q.W.); (Z.H.)
| | - Zuomin Hu
- Hunan Key Laboratory of Grain-Oil Deep Process and Quality Control, Central South University of Forestry and Technology, Changsha 410004, China; (H.L.); (T.X.); (Q.W.); (Z.H.)
| | - Yi Luo
- Department of Gastroenterology, Xiangya School of Medicine, Central South University, Changsha 410008, China;
| | - Feijun Luo
- Hunan Key Laboratory of Grain-Oil Deep Process and Quality Control, Central South University of Forestry and Technology, Changsha 410004, China; (H.L.); (T.X.); (Q.W.); (Z.H.)
- Hunan Key Laboratory of Forestry Edible Resources Safety and Processing, Central South University of Forestry and Technology, Changsha 410004, China
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16
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Ren F, Ji N, Zhu Y. Research Progress of α-Glucosidase Inhibitors Produced by Microorganisms and Their Applications. Foods 2023; 12:3344. [PMID: 37761053 PMCID: PMC10529981 DOI: 10.3390/foods12183344] [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: 08/24/2023] [Revised: 08/31/2023] [Accepted: 09/04/2023] [Indexed: 09/29/2023] Open
Abstract
Based on the easy cultivation of microorganisms and their short cycle time, research on α-glucosidase inhibitors (α-GIs) of microbial origin is receiving extensive attention. Raw materials used in food production, such as cereals, dairy products, fruits, and vegetables, contain various bioactive components, like flavonoids, polyphenols, and alkaloids. Fermentation with specific bacterial strains enhances the nutritional value of these raw materials and enables the creation of hypoglycemic products rich in diverse active ingredients. Additionally, conventional food processing often results in significant byproduct generation, causing resource wastage and environmental issues. However, using bacterial strains to ferment these byproducts into α-GIs presents an innovative solution. This review describes the microbial-derived α-GIs that have been identified. Moreover, the production of α-GIs using industrial food raw materials and processing byproducts as a medium in fermentation is summarized. It is worth analyzing the selection of strains and raw materials, the separation and identification of key compounds, and fermentation broth research methods. Notably, the innovative ideas in this field are described as well. This review will provide theoretical guidance for the development of microbial-derived hypoglycemic foods.
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Affiliation(s)
- Fei Ren
- Beijing Engineering and Technology Research Center of Food Additives, Beijing Technology & Business University, Beijing 100048, China; (F.R.); (N.J.)
| | - Nairu Ji
- Beijing Engineering and Technology Research Center of Food Additives, Beijing Technology & Business University, Beijing 100048, China; (F.R.); (N.J.)
| | - Yunping Zhu
- Beijing Engineering and Technology Research Center of Food Additives, Beijing Technology & Business University, Beijing 100048, China; (F.R.); (N.J.)
- School of Food and Health, Beijing Technology and Business University, Beijing 100048, China
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17
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Zhang L, Pan D, Shao L, Zheng Y, Hao W, Kan Y, Cao J, Yu H, Liu J. Oil palm kernel globulin antihypertensive peptides: isolation and characterization, ACE inhibition mechanisms, zinc-chelating activity, security and stability. Front Pharmacol 2023; 14:1225256. [PMID: 37601067 PMCID: PMC10433220 DOI: 10.3389/fphar.2023.1225256] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2023] [Accepted: 07/24/2023] [Indexed: 08/22/2023] Open
Abstract
Introduction: The oil palm kernel (OPK) expeller is the main byproduct of palm oil, but its utilization is limited. Methods: To obtain angiotensin-I-converting enzyme (ACE) inhibition peptides with Zn-chelating capacity, defatted oil palm kernel globulin hydrolysates (DOPKGH) were subjected to Sephadex G-15 gel electrophoresis, reverse-phase high liquid performance chromatography, and UPLC-ESI-MS/MS analysis. Results and discussion: Five representative oligopeptides, including Gln-Arg-Leu-Asp-Arg-Cys-Lys (QRLERCK), Leu-Leu-Leu-Gly-Val-Ala-Asn-Tyr-Arg (LLLGVANYR), Arg-Ala-Asp-Val-Phe-Asn-Pro-Arg (RADVFNPR), Arg-Val-Ile-Lys-Tyr-Asn-Gly-Gly-Gly-Ser-Gly (RVIKYNGGGSG), and Glu-Val-Pro-Gln-Ala-Tyr-Ile-Pro (EVPQAYIP), without potential toxicity and allergenicity, were identified in DOPKGH. Of these, only EVPQAYIP showed both ACE-inhibitory activity (IC50: 102.75 μmol/L) and Zn-chelating capacity (11.69 mg/g). Molecular docking and inhibition kinetics showed that EVPQAYIP was a competitive inhibitor of ACE because it could bind to Glu384, Lys511, and Gln281 (belonging to the central S1 and S2 pockets, respectively) of ACE. Moreover, EVPQAYIP affects zinc tetrahedral coordination in ACE by binding to Glu411; the amino and carboxyl groups of EVPQAYIP chelate with zinc ions. During gastrointestinal digestion, the ACE inhibitory activity of EVPQAYIP was relatively stable. Additionally, EVPQAYIP enhanced zinc stability in the intestine and exerted antihypertensive effects in spontaneous hypertensive rats. These results suggest the potential application of OPK peptides as ingredients in antihypertensive agents or zinc fortification.
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Affiliation(s)
| | | | | | - Yajun Zheng
- Food Science College of Shanxi Normal University, Taiyuan, China
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18
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Zhang X, Tang Y, Cheng H, Zhang J, Zhang S. Investigating structure, biological activity, peptide composition and emulsifying properties of pea protein hydrolysates obtained by cell envelope proteinase from Lactobacillus delbrueckii subsp. bulgaricus. Int J Biol Macromol 2023; 245:125375. [PMID: 37321439 DOI: 10.1016/j.ijbiomac.2023.125375] [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: 04/17/2023] [Revised: 06/07/2023] [Accepted: 06/12/2023] [Indexed: 06/17/2023]
Abstract
We present the structure, biological activity, peptide composition, and emulsifying properties of pea protein isolate (PPI) after hydrolysis by cell envelope proteinase (CEP) from Lactobacillus delbrueckii subsp. bulgaricus. Hydrolysis resulted in the unfolding of the PPI structure, characterized by an increase in fluorescence and UV absorption, which was related to thermal stability as demonstrated by a significant increase in ΔH and the thermal denaturation temperature (from 77.25 ± 0.05 to 84.45 ± 0.04 °C). The hydrophobic amino acid of PPI significantly increased from 218.26 ± 0.04 to 620.77 ± 0.04 followed by 557.18 ± 0.05 mg/100 g, which was related to their emulsifying properties, with the maximum emulsifying activity index (88.62 ± 0.83 m2/g, after 6 h hydrolysis) and emulsifying stability index (130.77 ± 1.12 min, after 2 h hydrolysis). Further, the results of LC-MS/MS analysis demonstrated that the CEP tended to hydrolyze peptides with an N-terminus dominated by Ser and a C-terminus dominated by Leu, which enhanced the biological activity of pea protein hydrolysates, as supported by their relatively high antioxidant (ABTS+ and DPPH radical scavenging rates were 82.31 ± 0.32% and 88.95 ± 0.31%) and ACE inhibitory (83.56 ± 1.70%) activities after 6 h of hydrolysis. 15 peptide sequences (score > 0.5) possessed both antioxidant and ACE inhibitory activity potential according to the BIOPEP database. This study provides theoretical guidance for the development of CEP-hydrolyzed peptides with antioxidant and ACE inhibitory activity that can be used as emulsifiers in functional foods.
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Affiliation(s)
- Xiaoying Zhang
- College of Food Science, Northeast Agricultural University, Harbin, Heilongjiang 150030, China; College of Food Science, University of Massachusetts, Amherst, MA 01003, United States
| | - Yuqing Tang
- College of Food Science, Northeast Agricultural University, Harbin, Heilongjiang 150030, China
| | - Hong Cheng
- College of Food Science, Northeast Agricultural University, Harbin, Heilongjiang 150030, China
| | - JingJing Zhang
- College of Food Science, Northeast Agricultural University, Harbin, Heilongjiang 150030, China
| | - Shuang Zhang
- College of Food Science, Northeast Agricultural University, Harbin, Heilongjiang 150030, China; Key Laboratory of Dairy Science, Ministry of Education, Northeast Agricultural University, Harbin, Heilongjiang 150030, China.
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19
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Wang T, Wei G, Chen F, Ma Q, Huang A. Integrated metabolomics and peptidomics to delineate characteristic metabolites in milk fermented with novel Lactiplantibacillus plantarum L3. Food Chem X 2023; 18:100732. [PMID: 37397209 PMCID: PMC10314206 DOI: 10.1016/j.fochx.2023.100732] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2023] [Revised: 05/25/2023] [Accepted: 05/28/2023] [Indexed: 07/04/2023] Open
Abstract
A novel wild-type Lactiplantibacillus plantarum (L. plantarum) L3 with good fermentation characteristics and protein degradation capacity was isolated from raw milk samples. In this study, the metabolites in milk fermented with L. plantarum L3 were investigated by metabolomic and peptidomics analyses. The metabolomics results revealed that the metabolites in milk fermented with L. plantarum L3 were Thr-Pro, Val-Lys, l-creatine, pyridoxine, and muramic acid, which improved the taste and nutritional qualities of the milk. Moreover, the water-soluble peptides derived from L3 fermented milk exhibited high antioxidant properties and angiotensin I-converting enzyme inhibitory (ACEI) activities. Additionally, 152 peptides were found using liquid chromatography-mass spectrometry (LC-MS/MS). Furthermore, endogenous enzymes secreted by L. plantarum L3 cleaved β- and α-casein to release six ACEI peptides (ACEIPs), nineteen antioxidant peptides (AOPs), and five antimicrobial peptides (AMPS). Overall, these findings could be valuable in improving the quality of fermented milk.
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Affiliation(s)
- Teng Wang
- College of Food Science and Technology, Yunnan Agricultural University, Kunming 650201, Yunnan, China
| | - Guangqiang Wei
- College of Food Science and Technology, Yunnan Agricultural University, Kunming 650201, Yunnan, China
| | - Faqiang Chen
- College of Food Science and Technology, Yunnan Agricultural University, Kunming 650201, Yunnan, China
| | - Qingwen Ma
- College of Food Science and Technology, Yunnan Agricultural University, Kunming 650201, Yunnan, China
- Yunnan Normal University, Kunming 650092, Yunnan, China
| | - Aixiang Huang
- College of Food Science and Technology, Yunnan Agricultural University, Kunming 650201, Yunnan, China
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20
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Zhang Y, Chen Y, Liu X, Wang W, Wang J, Li X, Sun S. Preparation and Identification of Peptides with α-Glucosidase Inhibitory Activity from Shiitake Mushroom ( Lentinus edodes) Protein. Foods 2023; 12:2534. [PMID: 37444272 DOI: 10.3390/foods12132534] [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: 06/01/2023] [Revised: 06/24/2023] [Accepted: 06/26/2023] [Indexed: 07/15/2023] Open
Abstract
The shiitake mushroom is the most commonly cultivated edible mushroom in the world, and is rich in protein. This study aims to obtain the peptides with α-glucosidase inhibition activity from shiitake mushroom protein hydrolysate. The conditions of enzymatic hydrolysis of shiitake mushroom protein were optimized by response surface test. The results showed that the optimal conditions were as follows: the E/S was 3390 U/g, the solid-liquid ratio was 1:20, the hydrolysis temperature and time were 46 °C and 3.4 h, respectively, and the pH was 7. The active peptides were separated by gel filtration and identified by LC-MS/MS analysis and virtual screening. The results indicated that fourteen peptides were identified by LC-MS/MS. Among them, four new peptides (EGEPKLP, KDDLRSP, TPELKL, and LDYGKL) with the higher docking score were selected and chemically synthesized to verify their inhibition activity. The IC50 values of EGEPKLP, KDDLRSP, TPELKL, and LDYGKL for α-glucosidase inhibition activity ranged from 452 ± 36 μmol/L to 696 ± 39 μmol/L. The molecular docking results showed that the hydrogen bond and arene-cation bond were the two major interactions between four peptides and 2QMJ. The hydrogen bonds were crucial to the inhibition activity of α-glucosidase. The results indicate the potential of using the peptides from shiitake mushroom protein as functional food with α-glucosidase inhibition activity.
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Affiliation(s)
- Yu Zhang
- Institute of Agro-Product Safety and Nutrition, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, China
- Key Laboratory of Agricultural Product Information Traceability, Ministry of Agriculture and Rural Affairs of China, Hangzhou 310021, China
- Zhejiang Provincial Key Laboratory of Food Safety, Hangzhou 310021, China
| | - Yu Chen
- Institute of Agro-Product Safety and Nutrition, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, China
- Collage of Agriculture and Animal Husbandry, Qinghai University, Xining 810016, China
| | - Xinyang Liu
- Institute of Agro-Product Safety and Nutrition, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, China
- College of Wine, North West Agriculture and Forestry University, Xi'an 712199, China
| | - Wei Wang
- Institute of Agro-Product Safety and Nutrition, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, China
- School of Biological and Chemical Engineering, Zhejiang University of Science and Technology, Hangzhou 310012, China
| | - Junhong Wang
- Institute of Agro-Product Safety and Nutrition, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, China
| | - Xue Li
- Institute of Agro-Product Safety and Nutrition, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, China
- Key Laboratory of Agricultural Product Information Traceability, Ministry of Agriculture and Rural Affairs of China, Hangzhou 310021, China
- Zhejiang Provincial Key Laboratory of Food Safety, Hangzhou 310021, China
| | - Suling Sun
- Institute of Agro-Product Safety and Nutrition, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, China
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Li J, Huo X, Zheng Y, Guo Y, Feng C. ACE-Inhibitory Peptides Identified from Quinoa Bran Glutelin-2 Hydrolysates: In Silico Screening and Characterization, Inhibition Mechanisms of ACE, Coordination with Zinc Ions, and Stability. PLANT FOODS FOR HUMAN NUTRITION (DORDRECHT, NETHERLANDS) 2023:10.1007/s11130-023-01074-6. [PMID: 37300747 DOI: 10.1007/s11130-023-01074-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 06/02/2023] [Indexed: 06/12/2023]
Abstract
To obtain Angiotensin-I-Converting Enzyme (ACE) inhibition peptides with Zn-chelating capacity, quinoa bran glutelin-2 hydrolysates (QBGH) by Flavourzyme and Papain were subjected to Sephadex G-15 gel chromatography, reverse phase-high liquid performance chromatography and UPLC-ESI-MS/MS analysis. Four oligopeptides including GGGSGH, EAGAE, AGGGAGGG and AVPKPS were identified. Of these, only the hexapeptide AVPKPS had both ACE-inhibitory activity (IC50: 123.13 μmol/L) and Zn-chelating ability (17.36 mg/g). Molecular docking showed AVPKPS could bind with active residues Glu384 and Ala354 (both belong to the central S1 pocket of ACE including) through short hydrogen bond and hydrophobic interactions, respectively. Inhibition kinetics verified that AVPKPS was a competitive inhibitor of ACE. Moreover, AVPKPS can affect the zinc tetrahedral coordination in ACE through binding with residues His387 and His383. Fourier-transform infrared spectroscopy analysis demonstrated that the amino and carboxyl groups of AVPKPS were the main chelating sites for zinc ions. Under the gastrointestinal digestion, the ACE inhibition capacity of AVPKPS was relatively stable, and the zinc solubility of AVPKPS-zinc complexes was more stable than zinc sulfate (p < 0.05). These results suggest that quinoa peptides have potential applications as ingredients for antihypertension or zinc fortification.
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Affiliation(s)
- Junru Li
- Food Science College of Shanxi Normal University, Taiyuan, 030092, China
| | - Xinyu Huo
- Food Science College of Shanxi Normal University, Taiyuan, 030092, China
| | - Yajun Zheng
- Food Science College of Shanxi Normal University, Taiyuan, 030092, China.
| | - Yizi Guo
- Food Science College of Shanxi Normal University, Taiyuan, 030092, China
| | - Chen Feng
- Food Science College of Shanxi Normal University, Taiyuan, 030092, China
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22
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Li Y, Li J, Cheng C, Zheng Y, Li H, Zhu Z, Yan Y, Hao W, Qin N. Study on the In Silico Screening and Characterization, Inhibition Mechanisms, Zinc-Chelate Activity, and Stability of ACE-Inhibitory Peptides Identified in Naked Oat Bran Albumin Hydrolysates. Foods 2023; 12:2268. [PMID: 37297512 PMCID: PMC10252509 DOI: 10.3390/foods12112268] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2023] [Revised: 06/02/2023] [Accepted: 06/03/2023] [Indexed: 06/12/2023] Open
Abstract
In this study, naked oat bran albumin hydrolysates (NOBAH) were subjected to gel chromatography with Sephadex G-15, reverse phase-high liquid performance separation, and UPLC-ESI-MS/MS identification. Six safe peptides including Gly-Thr-Thr-Gly-Gly-Met-Gly-Thr (GTTGGMGT), Gln-Tyr-Val-Pro-Phe (QYVPF), Gly-Ala-Ala-Ala-Ala-Leu-Val (GAAAALV), Gly-Tyr-His-Gly-His (GYHGH), Gly-Leu-Arg-Ala-Ala-Ala-Ala-Ala-Ala-Glu-Gly-Gly (GLRAAAAAAEGG), and Pro-Ser-Ser-Pro-Pro-Ser (PSSPPS) were identified. Next, in silico screening demonstrated that QYVPF and GYHGH had both angiotensin-I-converting enzyme (ACE) inhibition activity (IC50: 243.36 and 321.94 μmol/L, respectively) and Zinc-chelating ability (14.85 and 0.32 mg/g, respectively). The inhibition kinetics demonstrated that QYVPF and GYHGH were both uncompetitive inhibitors of ACE. Molecular docking showed that QYVPF and GYHGH could bind, respectively, three and five active residues of ACE with short hydrogen bonds (but not belonging to any central pocket). QYVPF and GYHGH could bind, respectively, twenty-two and eleven residues through hydrophobic interactions. Moreover, GYHGH was able to affect zinc tetrahedral coordination in ACE by interacting with His383. The inhibition activities of QYVPF and GYHGH toward ACE were relatively resistant to gastrointestinal digestion. GYHGH improved zinc solubility in the intestines (p > 0.05) because its amino and carboxyl groups were chelating sites for zinc ions. These results suggest the potential applications of naked oat peptides for potential antihypertension or zinc fortification.
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Affiliation(s)
- Yan Li
- College of Food Science, Shanxi Normal University, Taiyuan 030092, China; (Y.L.); (J.L.); (C.C.); (H.L.); (Z.Z.); (Y.Y.); (W.H.)
| | - Junru Li
- College of Food Science, Shanxi Normal University, Taiyuan 030092, China; (Y.L.); (J.L.); (C.C.); (H.L.); (Z.Z.); (Y.Y.); (W.H.)
| | - Chaoxia Cheng
- College of Food Science, Shanxi Normal University, Taiyuan 030092, China; (Y.L.); (J.L.); (C.C.); (H.L.); (Z.Z.); (Y.Y.); (W.H.)
| | - Yajun Zheng
- College of Food Science, Shanxi Normal University, Taiyuan 030092, China; (Y.L.); (J.L.); (C.C.); (H.L.); (Z.Z.); (Y.Y.); (W.H.)
| | - Hanxu Li
- College of Food Science, Shanxi Normal University, Taiyuan 030092, China; (Y.L.); (J.L.); (C.C.); (H.L.); (Z.Z.); (Y.Y.); (W.H.)
| | - Zilin Zhu
- College of Food Science, Shanxi Normal University, Taiyuan 030092, China; (Y.L.); (J.L.); (C.C.); (H.L.); (Z.Z.); (Y.Y.); (W.H.)
| | - Yuxiang Yan
- College of Food Science, Shanxi Normal University, Taiyuan 030092, China; (Y.L.); (J.L.); (C.C.); (H.L.); (Z.Z.); (Y.Y.); (W.H.)
| | - Wenhui Hao
- College of Food Science, Shanxi Normal University, Taiyuan 030092, China; (Y.L.); (J.L.); (C.C.); (H.L.); (Z.Z.); (Y.Y.); (W.H.)
| | - Nan Qin
- College of Medicine and Food Engineering, Shanxi University of Chinese Medicine, Taiyuan 030619, China
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23
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Ma Z, Zheng M, Liu Z, Lu H, Liu Y, Yang Y, Fang Z, Lu S. Identification of potential angiotensin-I-converting enzyme inhibitory components in celery seed using UHPLC-MS and molecular docking. Process Biochem 2023. [DOI: 10.1016/j.procbio.2023.02.025] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 03/03/2023]
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24
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Zhao Y, Zhang T, Ning Y, Wang D, Li F, Fan Y, Yao J, Ren G, Zhang B. Identification and molecular mechanism of novel tyrosinase inhibitory peptides from the hydrolysate of 'Fengdan' peony (Paeonia ostii) seed meal proteins: Peptidomics and in silico analysis. Lebensm Wiss Technol 2023. [DOI: 10.1016/j.lwt.2023.114695] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/03/2023]
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25
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Ma Y, Xu J, Guo R, Teng G, Chen Y, Xu X. In vitro gastrointestinal model for the elderly: Effect of high hydrostatic pressure on protein structures and antioxidant activities of whey protein isolate. FOOD BIOSCI 2023. [DOI: 10.1016/j.fbio.2023.102452] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
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26
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Wei G, Li X, Wang D, Zhao B, Shi Y, Huang A. Discovery of specific antioxidant peptide from Chinese Dahe black pig and hybrid pig dry-cured hams based on peptidomics strategy. Food Res Int 2023; 166:112610. [PMID: 36914354 DOI: 10.1016/j.foodres.2023.112610] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2022] [Revised: 02/13/2023] [Accepted: 02/14/2023] [Indexed: 02/19/2023]
Abstract
The quality of hams obtained from different pig breeds can vary depending on endogenous antioxidant peptides in the hams. The aims of this study were (i) to investigate the specific peptides in Chinese Dahe black pig ham (DWH) and hybrid pig ham (Yorkshire × Landrace × Dahe black ham, YLDWH) and their antioxidant activity, and (ii) to elucidate the relationship between ham quality and antioxidant peptides. iTRAQ quantitative peptidomic method was used to discover specific peptides of DWH and YLDWH. In addition, in vitro assays were performed to evaluate their antioxidant activity. A total of 73 specific peptides were identified from DWH and YLDWH by LC-MS/MS. Forty-four specific peptides in DWH were primarily hydrolysed from myosin and myoglobin by endopeptidases, while 29 specific peptides in YLDWH were primarily hydrolysed from myosin and troponin-T. Six specific peptides that were statistically significantly different based on their fold changes and P-values were selected for the identification of DWH and YLDWH. DWH-derived specific peptide AGAPDERGPGPAAR (AR14), which had high stability and was non-toxic, had the highest DPPH• and ABTS•+ scavenging activity (IC50 = 1.657 mg/mL and 0.173 mg/mL, respectively) and cellular antioxidant capacity. Molecular docking showed that AR14 interacted with Val369, and Val420 of Keap1 via hydrogen bonds. Furthermore, AR14 bound to DPPH and ABTS through hydrogen bonding and hydrophobic interactions. Together, our results demonstrate that the DWH-derived antioxidant peptide AR14 exhibits the free radical scavenging and cellular antioxidant activity and can be used to preserve ham quality and promote human health.
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Affiliation(s)
- Guangqiang Wei
- College of Food Science and Technology, Yunnan Agricultural University, Kunming 650201, Yunnan, PR China
| | - Xiang Li
- Yunnan Dong Heng Economic and Trade Group Co., Ltd., Qujing 655000, Yunnan, PR China
| | - Daodian Wang
- College of Food Science and Technology, Yunnan Agricultural University, Kunming 650201, Yunnan, PR China
| | - Bo Zhao
- College of Food Science and Technology, Yunnan Agricultural University, Kunming 650201, Yunnan, PR China
| | - Yanan Shi
- College of Food Science and Technology, Yunnan Agricultural University, Kunming 650201, Yunnan, PR China.
| | - Aixiang Huang
- College of Food Science and Technology, Yunnan Agricultural University, Kunming 650201, Yunnan, PR China.
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27
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Dou B, Wu X, Xia Z, Wu G, Guo Q, Lyu M, Wang S. Multiple Bioactivities of Peptides from Hydrolyzed Misgurnus anguillicaudatus. Molecules 2023; 28:molecules28062589. [PMID: 36985560 PMCID: PMC10053552 DOI: 10.3390/molecules28062589] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2023] [Revised: 03/05/2023] [Accepted: 03/07/2023] [Indexed: 03/16/2023] Open
Abstract
Misgurnus anguillicaudatus (loach) is a widely distributed benthic fish in Asia. In this study, the alkaline protease was used to hydrolyze loach, and the hydrolysate products of different molecular weights were obtained by membrane separation. In vitro antioxidant assays showed that the <3 kDa fraction (SLH-1) exhibited the strongest antioxidant activity (DPPH, hydroxyl radical and superoxide radical scavenging ability, and reducing power), while SLH-1 was purified by gel filtration chromatography, and peptide sequences were identified by LC-MS/MS. A total of six peptides with antioxidant activity were identified, namely SERDPSNIKWGDAGAQ (D-1), TVDGPSGKLWR (D-2), NDHFVKL (D-3), AFRVPTP (D-4), DAGAGIAL (D-5), and VSVVDLTVR (D-6). In vitro angiotensin-converting enzyme (ACE) inhibition assay and pancreatic cholesterol esterase (CE) inhibition assay, peptide D-4 (IC50 95.07 μg/mL, 0.12 mM) and D-2 inhibited ACE, and peptide D-2 (IC50 3.19 mg/mL, 2.62 mM), D-3, and D-6 acted as pancreatic CE inhibitors. The inhibitory mechanisms of these peptides were investigated by molecular docking. The results showed that the peptides acted by binding to the key amino acids of the catalytic domain of enzymes. These results could provide the basis for the nutritional value and promote the type of healthy products from hydrolyzed loach.
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Affiliation(s)
- Baojie Dou
- Jiangsu Key Laboratory of Marine Bioresources and Environment/Jiangsu Key Laboratory of Marine Biotechnology, Jiangsu Ocean University, Lianyungang 222005, China
- Co-Innovation Center of Jiangsu Marine Bio-Industry Technology, Jiangsu Ocean University, Lianyungang 222005, China
| | - Xudong Wu
- Jiangsu Key Laboratory of Marine Bioresources and Environment/Jiangsu Key Laboratory of Marine Biotechnology, Jiangsu Ocean University, Lianyungang 222005, China
- Co-Innovation Center of Jiangsu Marine Bio-Industry Technology, Jiangsu Ocean University, Lianyungang 222005, China
| | - Zihan Xia
- Jiangsu Key Laboratory of Marine Bioresources and Environment/Jiangsu Key Laboratory of Marine Biotechnology, Jiangsu Ocean University, Lianyungang 222005, China
- Co-Innovation Center of Jiangsu Marine Bio-Industry Technology, Jiangsu Ocean University, Lianyungang 222005, China
| | - Guanghao Wu
- Jiangsu Key Laboratory of Marine Bioresources and Environment/Jiangsu Key Laboratory of Marine Biotechnology, Jiangsu Ocean University, Lianyungang 222005, China
- Co-Innovation Center of Jiangsu Marine Bio-Industry Technology, Jiangsu Ocean University, Lianyungang 222005, China
| | - Quanyou Guo
- East China Sea Fishery Research Institute, Chinese Academy of Fishery Sciences, Shanghai 200090, China
| | - Mingsheng Lyu
- Jiangsu Key Laboratory of Marine Bioresources and Environment/Jiangsu Key Laboratory of Marine Biotechnology, Jiangsu Ocean University, Lianyungang 222005, China
- Co-Innovation Center of Jiangsu Marine Bio-Industry Technology, Jiangsu Ocean University, Lianyungang 222005, China
- Correspondence: (M.L.); (S.W.)
| | - Shujun Wang
- Jiangsu Key Laboratory of Marine Bioresources and Environment/Jiangsu Key Laboratory of Marine Biotechnology, Jiangsu Ocean University, Lianyungang 222005, China
- Co-Innovation Center of Jiangsu Marine Bio-Industry Technology, Jiangsu Ocean University, Lianyungang 222005, China
- Correspondence: (M.L.); (S.W.)
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28
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Tonolo F, Grinzato A, Bindoli A, Rigobello MP. From In Silico to a Cellular Model: Molecular Docking Approach to Evaluate Antioxidant Bioactive Peptides. Antioxidants (Basel) 2023; 12:antiox12030665. [PMID: 36978913 PMCID: PMC10045749 DOI: 10.3390/antiox12030665] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2023] [Revised: 03/02/2023] [Accepted: 03/03/2023] [Indexed: 03/10/2023] Open
Abstract
The increasing need to counteract the redox imbalance in chronic diseases leads to focusing research on compounds with antioxidant activity. Among natural molecules with health-promoting effects on many body functions, bioactive peptides are gaining interest. They are protein fragments of 2–20 amino acids that can be released by various mechanisms, such as gastrointestinal digestion, food processing and microbial fermentation. Recent studies report the effects of bioactive peptides in the cellular environment, and there is evidence that these compounds can exert their action by modulating specific pathways. This review focuses on the newest approaches to the structure–function correlation of the antioxidant bioactive peptides, considering their molecular mechanism, by evaluating the activation of specific signaling pathways that are linked to antioxidant systems. The correlation between the results of in silico molecular docking analysis and the effects in a cellular model was highlighted. This knowledge is fundamental in order to propose the use of bioactive peptides as ingredients in functional foods or nutraceuticals.
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Affiliation(s)
- Federica Tonolo
- Department of Biomedical Sciences, University of Padova, Via U. Bassi 58/b, 35131 Padova, Italy
- Department of Comparative Biomedicine and Food Science, University of Padova, Viale dell’Università, 35020 Padova, Italy
| | - Alessandro Grinzato
- European Synchrotron Radiation Facility, 71 Avenue des Martyrs, 38000 Grenoble, France
| | - Alberto Bindoli
- Institute of Neuroscience (CNR), Viale G. Colombo 3, 35131 Padova, Italy
| | - Maria Pia Rigobello
- Department of Biomedical Sciences, University of Padova, Via U. Bassi 58/b, 35131 Padova, Italy
- Correspondence:
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29
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Wang X, Deng Y, Xie P, Liu L, Zhang C, Cheng J, Zhang Y, Liu Y, Huang L, Jiang J. Novel bioactive peptides from ginkgo biloba seed protein and evaluation of their α-glucosidase inhibition activity. Food Chem 2023; 404:134481. [DOI: 10.1016/j.foodchem.2022.134481] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2022] [Revised: 09/19/2022] [Accepted: 09/28/2022] [Indexed: 11/22/2022]
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30
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Identification and Molecular Binding Mechanism of Novel α-Glucosidase Inhibitory Peptides from Hot-Pressed Peanut Meal Protein Hydrolysates. Foods 2023; 12:foods12030663. [PMID: 36766195 PMCID: PMC9914213 DOI: 10.3390/foods12030663] [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: 12/16/2022] [Revised: 01/20/2023] [Accepted: 01/29/2023] [Indexed: 02/05/2023] Open
Abstract
Hot-pressed peanut meal protein hydrolysates are rich in Arg residue, but there is a lack of research on their α-glucosidase inhibitory activity. In this study, different proteases were used to produce hot-pressed peanut meal protein hydrolysates (PMHs) to evaluate the α-glucosidase inhibitory activity. All PMHs showed good α-glucosidase inhibitory activity with the best inhibition effect coming from the dual enzyme system of Alcalase and Neutrase with an IC50 of 5.63 ± 0.19 mg/mL. The fractions with the highest inhibition effect were separated and purified using ultrafiltration and cation exchange chromatography. Four novel α-glucosidase inhibitory peptides (FYNPAAGR, PGVLPVAS, FFVPPSQQ, and FSYNPQAG) were identified by nano-HPLC-MS/MS and molecular docking. Molecular docking showed that peptides could occupy the active pocket of α-glucosidase through hydrogen bonding, hydrophobic interaction, salt bridges, and π-stacking, thus preventing the formation of complexes between α-glucosidase and the substrate. In addition, the α-glucosidase inhibitory activity of PMHs was stable against hot, pH treatment and in vitro gastrointestinal digestion. The study demonstrated that PMHs might be used as a natural anti-diabetic material with the potential to inhibit α-glucosidase.
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31
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Bioactive peptides derived from fermented foods: Preparation and biological activities. J Funct Foods 2023. [DOI: 10.1016/j.jff.2023.105422] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023] Open
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32
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Screening of goaty flavor-inhibiting lactic acid bacteria and their effects on the flavor profiles of goat milk cakes. FOOD BIOSCI 2023. [DOI: 10.1016/j.fbio.2023.102504] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/24/2023]
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33
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Zhu Q, Xue J, Wang P, Wang X, Zhang J, Fang X, He Z, Wu F. Identification of a Novel ACE Inhibitory Hexapeptide from Camellia Seed Cake and Evaluation of Its Stability. Foods 2023; 12:foods12030501. [PMID: 36766030 PMCID: PMC9914026 DOI: 10.3390/foods12030501] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2022] [Revised: 01/18/2023] [Accepted: 01/19/2023] [Indexed: 01/24/2023] Open
Abstract
The camellia seed cake proteins (CP) used in this study were individually hydrolyzed with neutral protease, alkaline protease, papain, and trypsin. The results showed that the hydrolysate had the highest ACE inhibitory activity at 67.36 ± 0.80% after four hours of neutral protease hydrolysis. Val-Val-Val-Pro-Gln-Asn (VVVPQN) was then obtained through ultrafiltration, Sephadex G-25 gel chromatography separation, LC-MS/MS analysis, and in silico screening. VVVPQN had ACE inhibitory activity with an IC50 value of 0.13 mg/mL (198.66 μmol/L), and it inhibited ACE in a non-competitive manner. The molecular docking indicated that VVVPQN can combine with ACE to form eight hydrogen bonds. The results of the stability study showed that VVVPQN maintained high ACE-inhibitory activity in weakly acidic and neutral environments and that heat treatment (20-80 °C) and Na+, Mg2+, as well as Fe3+ metal ions had little effect on the activity of VVVPQN. Moreover, it remained relatively stable after in vitro simulated gastrointestinal digestion. These results revealed that VVVPQN identified in camellia seed cake has the potential to be applied in functional food or antihypertensive drugs.
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Affiliation(s)
- Qiaonan Zhu
- College of Food and Health, Zhejiang Agriculture and Forestry University, Hangzhou 311300, China
| | - Jiawen Xue
- College of Food and Health, Zhejiang Agriculture and Forestry University, Hangzhou 311300, China
| | - Peng Wang
- College of Food and Health, Zhejiang Agriculture and Forestry University, Hangzhou 311300, China
| | - Xianbo Wang
- Zhejiang Feixiangyuan Food Co., Ltd., Lishui 323400, China
| | - Jiaojiao Zhang
- College of Food and Health, Zhejiang Agriculture and Forestry University, Hangzhou 311300, China
| | - Xuezhi Fang
- Research Institute of Subtropical Forestry, Chinese Academy of Forestry, Hangzhou 311400, China
| | - Zhiping He
- College of Food and Health, Zhejiang Agriculture and Forestry University, Hangzhou 311300, China
- Correspondence: (Z.H.); (F.W.)
| | - Fenghua Wu
- College of Advanced Agricultural Sciences, Zhejiang Agriculture and Forestry University, Hangzhou 311300, China
- Correspondence: (Z.H.); (F.W.)
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34
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Isolation of a Novel Anti-Diabetic α-Glucosidase Oligo-Peptide Inhibitor from Fermented Rice Bran. Foods 2023; 12:foods12010183. [PMID: 36613397 PMCID: PMC9818066 DOI: 10.3390/foods12010183] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2022] [Revised: 12/22/2022] [Accepted: 12/27/2022] [Indexed: 01/03/2023] Open
Abstract
At present, the incidence rate of diabetes is increasing gradually, and inhibiting α-glucosidase is one of the effective methods used to control blood sugar. This study identified new peptides from rice bran fermentation broth and evaluated their inhibitory activity and mechanism against α-glucosidase. Rice bran was fermented with Bacillus subtilis MK15 and the polypeptides of <3 kDa were isolated by ultrafiltration and chromatographic column, and were then subjected to LC-MS/MS mass spectrometry analysis. The results revealed that the oligopeptide GLLGY showed the greatest inhibitory activity in vitro. Docking studies with GLLGY on human α-glucosidase (PDB ID 5NN8) suggested a binding energy of −7.1 kcal/mol. GLLGY acts as a non-competitive inhibitor and forms five hydrogen bonds with Asp282, Ser523, Asp616, and His674 of α-glucosidase. Moreover, it retained its inhibitory activity even in a simulated digestion environment in vitro. The oligopeptide GLLGY could be developed into a potential anti-diabetic agent.
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35
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Zhu Z, Guo H, Xu Y, Pius Bassey A, Ali A, Huang M, Huang J. ACE Inhibitory Peptides Derived from Muscovy Duck ( Cairina moschata) Plasma. Foods 2022; 12:foods12010050. [PMID: 36613266 PMCID: PMC9818667 DOI: 10.3390/foods12010050] [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: 11/22/2022] [Revised: 12/17/2022] [Accepted: 12/19/2022] [Indexed: 12/25/2022] Open
Abstract
In this study, angiotensin-converting enzyme inhibitory peptides (ACE-IPs) derived from Muscovy duck (Cairina moschata) plasma hydrolysate (MDPH) were investigated. According to the general research protocol for bioactive peptides, the crude ACE-IPs of Muscovy duck plasma were separated and purified by ultrafiltration, gel chromatography and reversed-phase high-performance liquid chromatography (RP-HPLC). Then the components with the highest ACE inhibition potential were selected for identification. Finally, the inhibition mechanism was explored by molecular docking and in silico simulated digestion. A total of 121 peptides was detected, and five were screened for synthesis verification and molecular docking. The peptide VALSSLRP revealed high ACE inhibitory activity (91.67 ± 0.73%) because this peptide bound tightly to the S1' pocket and formed 3 hydrogen bonds. Meaningfully, this work provides some new information about the generation of ACE-IPs derived from duck blood plasma.
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Affiliation(s)
- Zongshuai Zhu
- College of Food Science and Technology, Nanjing Agricultural University, Nanjing 210095, China
| | - Haoyu Guo
- College of Food Science and Technology, Nanjing Agricultural University, Nanjing 210095, China
| | - Yan Xu
- College of Food Science and Technology, Nanjing Agricultural University, Nanjing 210095, China
| | - Anthony Pius Bassey
- College of Food Science and Technology, Nanjing Agricultural University, Nanjing 210095, China
| | - Ahtisham Ali
- College of Food Science and Technology, Nanjing Agricultural University, Nanjing 210095, China
| | - Ming Huang
- College of Food Science and Technology, Nanjing Agricultural University, Nanjing 210095, China
| | - Jichao Huang
- College of Engineering, Nanjing Agricultural University, Nanjing 210031, China
- Correspondence:
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Food Protein-Derived Antioxidant Peptides: Molecular Mechanism, Stability and Bioavailability. Biomolecules 2022; 12:biom12111622. [PMID: 36358972 PMCID: PMC9687809 DOI: 10.3390/biom12111622] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2022] [Revised: 10/22/2022] [Accepted: 10/22/2022] [Indexed: 11/06/2022] Open
Abstract
The antioxidant activity of protein-derived peptides was one of the first to be revealed among the more than 50 known peptide bioactivities to date. The exploitation value associated with food-derived antioxidant peptides is mainly attributed to their natural properties and effectiveness as food preservatives and in disease prevention, management, and treatment. An increasing number of antioxidant active peptides have been identified from a variety of renewable sources, including terrestrial and aquatic organisms and their processing by-products. This has important implications for alleviating population pressure, avoiding environmental problems, and promoting a sustainable shift in consumption. To identify such opportunities, we conducted a systematic literature review of recent research advances in food-derived antioxidant peptides, with particular reference to their biological effects, mechanisms, digestive stability, and bioaccessibility. In this review, 515 potentially relevant papers were identified from a preliminary search of the academic databases PubMed, Google Scholar, and Scopus. After removing non-thematic articles, articles without full text, and other quality-related factors, 52 review articles and 122 full research papers remained for analysis and reference. The findings highlighted chemical and biological evidence for a wide range of edible species as a source of precursor proteins for antioxidant-active peptides. Food-derived antioxidant peptides reduce the production of reactive oxygen species, besides activating endogenous antioxidant defense systems in cellular and animal models. The intestinal absorption and metabolism of such peptides were elucidated by using cellular models. Protein hydrolysates (peptides) are promising ingredients with enhanced nutritional, functional, and organoleptic properties of foods, not only as a natural alternative to synthetic antioxidants.
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Renjuan L, Xiuli Z, Liping S, Yongliang Z. Identification, in silico screening, and molecular docking of novel ACE inhibitory peptides isolated from the edible symbiot Boletus griseus-Hypomyces chrysospermus. Lebensm Wiss Technol 2022. [DOI: 10.1016/j.lwt.2022.114008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2022]
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Ma X, Fan X, Wang D, Li X, Wang X, Yang J, Qiu C, Liu X, Pang G, Abra R, Wang L. Study on preparation of chickpea peptide and its effect on blood glucose. Front Nutr 2022; 9:988628. [PMID: 36185665 PMCID: PMC9523602 DOI: 10.3389/fnut.2022.988628] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2022] [Accepted: 08/05/2022] [Indexed: 11/13/2022] Open
Abstract
Chickpeas are the third largest bean in the world and are rich in protein. In this study, chickpea peptides were prepared by the enzyme-bacteria synergy method. Taking the peptide yield as the index, we first screened 8 strains suitable for the fermentation of chickpea peptides from 16 strains, carried out sodium dodecyl sulfate polyacrylamide gel electrophoresis, and then screened 4 strains with the best decomposition effect of chickpea protein. The molecular weight, amino acid content, and α-glucosidase inhibitory activity of the chickpea peptides fermented by these four strains were detected. Finally, the strains with the best α-glucosidase inhibitory activity were obtained, and the inhibitory activities of the different molecular weight components of the chickpea peptides fermented by the strains with the best α-glucosidase inhibitory were detected. It was found that Bifidobacterium species had the best fermentation effect, and the highest peptide yield was 52.99 ± 0.88%. Lactobacillus thermophilus had the worst fermentation effect, and the highest peptide yield was 43.22 ± 0.47%. Sodium dodecyl sulfate-polyacrylamide gel electrophoresis (SDS-PAGE) showed that Bifidobacterium species, Lactobacillus acidophilus, Lactobacillus rhamnosus, and Lactobacillus paracasei have a better effect on the decomposition of chickpea protein in the fermentation process, and the molecular weight of their fermented peptides is basically below 20 KDa. Among the four strains, the α-glycosidase inhibition of chickpea peptide fermented by Lactobacillus acidophilus was the best, which was 58.22 ± 1.10% when the peptide concentration was 5.0 mg/ml. In chickpea peptide fermented by Lactobacillus acidophilus, the influence of molecular weight on the inhibitory activity is not obvious when the molecular weight is <10 kD, and the molecular weight range of the best inhibitory effect is 3–10 kD, and the inhibitory rate of α-glucosidase is 37 ± 1.32% at 2.0 mg/ml. This study provides a theoretical basis for the study of a new preparation method for chickpea peptide and its hypoglycemic effect.
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Affiliation(s)
- Xuemei Ma
- College Life Science and Technology, Xinjiang University, Urumqi, China
| | - Xing Fan
- College Life Science and Technology, Xinjiang University, Urumqi, China
| | - Deping Wang
- College Life Science and Technology, Xinjiang University, Urumqi, China
| | - Xianai Li
- Xinjiang Arman Food Group Co. LTD, Urumqi, China
| | - Xiaoyun Wang
- Xinjiang Arman Food Group Co. LTD, Urumqi, China
| | - Jiangyong Yang
- College Life Science and Technology, Xinjiang University, Urumqi, China
| | - Chenggong Qiu
- College Life Science and Technology, Xinjiang University, Urumqi, China
| | - Xiaolu Liu
- College Life Science and Technology, Xinjiang University, Urumqi, China
| | - Guangxian Pang
- Shenxin Science and Technology Cooperation Base Co. LTD, Urumqi, China
| | - Redili Abra
- Xinjiang Arman Food Group Co. LTD, Urumqi, China
- Redili Abra
| | - Liang Wang
- College Life Science and Technology, Xinjiang University, Urumqi, China
- *Correspondence: Liang Wang
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Zhang T, Hua Y, Zhou C, Xiong Y, Pan D, Liu Z, Dang Y. Umami peptides screened based on peptidomics and virtual screening from Ruditapes philippinarum and Mactra veneriformis clams. Food Chem 2022; 394:133504. [PMID: 35749874 DOI: 10.1016/j.foodchem.2022.133504] [Citation(s) in RCA: 31] [Impact Index Per Article: 15.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2021] [Revised: 06/14/2022] [Accepted: 06/15/2022] [Indexed: 11/28/2022]
Abstract
The existing technology used for screening umami peptides is time-consuming and labor-intensive, making it difficult to meet the requirements of rapid screening of peptides. In this study, a high-throughput screening method for umami peptides was established based on peptidomics and virtual screening including the mass spectrometry, iUmami-SCM, PeptideRanker, and T1R1/T1R3 receptor. Subsequently, they were characterized and validated using sensory evaluation and electronic tongue. Results showed that 18 potential umami peptides were screened from two clams. Among them, 16 peptides had umami characteristics with thresholds range 0.123-1.481 mmol/L, and the accuracy of the screening method was about 88.9%. Additionally, active sites such as Tyr143, Gly144, Ser146, Ala145, His121, Ser123, and Glu277 may play a critical role in flavor presentation by molecular docking with T1R1/T1R3. The paper could provide a fast and reliable method for screening umami peptides as well as lay the foundation for novel strategies for evaluating umami taste.
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Affiliation(s)
- Ting Zhang
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, College of Food and Pharmaceutical Sciences, Ningbo University, Ningbo 315211, Zhejiang, China
| | - Ying Hua
- College of Pharmaceutical Science, Zhejiang Chinese Medical University, 548 Binwen Road, 310053 Hangzhou, Zhejiang, China
| | - Changyu Zhou
- College of Pharmaceutical Science, Zhejiang Chinese Medical University, 548 Binwen Road, 310053 Hangzhou, Zhejiang, China
| | - Yongzhao Xiong
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, College of Food and Pharmaceutical Sciences, Ningbo University, Ningbo 315211, Zhejiang, China
| | - Daodong Pan
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, College of Food and Pharmaceutical Sciences, Ningbo University, Ningbo 315211, Zhejiang, China
| | - Zhu Liu
- Zhejiang Institute for Food and Drug Control, Hangzhou 310004, China.
| | - Yali Dang
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, College of Food and Pharmaceutical Sciences, Ningbo University, Ningbo 315211, Zhejiang, China.
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Novel Antioxidant Collagen Peptides of Siberian Sturgeon (Acipenser baerii) Cartilages: The Preparation, Characterization, and Cytoprotection of H2O2-Damaged Human Umbilical Vein Endothelial Cells (HUVECs). Mar Drugs 2022; 20:md20050325. [PMID: 35621976 PMCID: PMC9146044 DOI: 10.3390/md20050325] [Citation(s) in RCA: 33] [Impact Index Per Article: 16.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2022] [Revised: 05/05/2022] [Accepted: 05/12/2022] [Indexed: 02/04/2023] Open
Abstract
For making full use of aquatic by-products to produce high value-added products, Siberian sturgeon (Acipenser baerii) cartilages were degreased, mineralized, and separately hydrolyzed by five kinds of proteases. The collagen hydrolysate (SCH) generated by Alcalase showed the strongest 2,2-diphenyl-1-picrylhydrazyl radical (DPPH·) and hydroxide radical (HO·) scavenging activity. Subsequently, thirteen antioxidant peptides (SCP1-SCP3) were isolated from SCH, and they were identified as GPTGED, GEPGEQ, GPEGPAG, VPPQD, GLEDHA, GDRGAEG, PRGFRGPV, GEYGFE, GFIGFNG, PSVSLT, IELFPGLP, LRGEAGL, and RGEPGL with molecular weights of 574.55, 615.60, 583.60, 554.60, 640.64, 660.64, 885.04, 700.70, 710.79, 602.67, 942.12, 714.82, and 627.70 Da, respectively. GEYGFE, PSVSLT, and IELFPGLP showed the highest scavenging activity on DPPH· (EC50: 1.27, 1.05, and 1.38 mg/mL, respectively) and HO· (EC50: 1.16, 0.97, and 1.63 mg/mL, respectively), inhibiting capability of lipid peroxidation, and protective functions on H2O2-damaged plasmid DNA. More importantly, GEYGFE, PSVSLT, and IELFPGLP displayed significant cytoprotection on HUVECs against H2O2 injury by regulating the endogenous antioxidant enzymes of superoxide dismutase (SOD) and glutathione peroxidase (GSH-Px) to decrease the contents of reactive oxygen species (ROS) and malondialdehyde (MDA). Therefore, the research provided better technical assistance for a higher-value utilization of Siberian sturgeon cartilages and the thirteen isolated peptides—especially GEYGFE, PSVSLT, and IELFPGLP—which may serve as antioxidant additives for generating health-prone products to treat chronic diseases caused by oxidative stress.
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