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Bai Y, Li X, Xie Y, Wang Y, Dong X, Qi H. Ultrasound treatment enhanced the functional properties of phycocyanin with phlorotannin from Ascophyllum nodosum. Front Nutr 2023; 10:1181262. [PMID: 37090776 PMCID: PMC10115965 DOI: 10.3389/fnut.2023.1181262] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2023] [Accepted: 03/17/2023] [Indexed: 04/08/2023] Open
Abstract
IntroductionPhycocyanin offers advantageous biological effects, including immune-regulatory, anticancer, antioxidant, and anti-inflammation capabilities. While PC, as a natural pigment molecule, is different from synthetic pigment, it can be easily degradable under high temperature and light conditions.MethodsIn this work, the impact of ultrasound treatment on the complex of PC and phlorotannin structural and functional characteristics was carefully investigated. The interaction between PC and phlorotannin after ultrasound treatment was studied by UV–Vis, fluorescence spectroscopy, circular dichroism (CD) spectroscopy, fourier transform infrared (FTIR) spectroscopy. Additionally, the antioxidant potential and in vitro digestibility of the complexes were assessed.ResultsThe result was manifested as the UV–Vis spectrum reduction effect, fluorescence quenching effect and weak conformational change of the CD spectrum of PC. PC was identified as amorphous based on the X-ray diffraction (XRD) data and that phlorotannin was embedded into the PC matrix. The differential scanning calorimetry (DSC) results showed that ultrasound treatment and the addition of phlorotannin could improve the denaturation peak temperatures (Td) of PC to 78.7°C. In vitro digestion and free radical scavenging experiments showed that appropriate ultrasound treatment and the addition of phlorotannin were more resistant to simulated gastrointestinal conditions and could improve DPPH and ABTS+ free radical scavenging performance.DiscussionUltrasound treatment and the addition of phlorotannin changed the structural and functional properties of PC. These results demonstrated the feasibility of ultrasound-assisted phlorotannin from A. nodosum in improving the functional properties of PC and provided a possibility for the application of PC-polyphenol complexes as functional food ingredients or as bioactive materials.
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Affiliation(s)
- Ying Bai
- School of Food Science and Technology, National Engineering Research Center of Seafood, Liaoning Provincial Aquatic Products Deep Processing Technology Research Center, Dalian Polytechnic University, Dalian, China
| | - Xueting Li
- Haide College, Ocean University of China, Qingdao, China
| | - Yuqianqian Xie
- School of Food Science and Technology, National Engineering Research Center of Seafood, Liaoning Provincial Aquatic Products Deep Processing Technology Research Center, Dalian Polytechnic University, Dalian, China
| | - Yingzhen Wang
- School of Food Science and Technology, National Engineering Research Center of Seafood, Liaoning Provincial Aquatic Products Deep Processing Technology Research Center, Dalian Polytechnic University, Dalian, China
| | - Xiuping Dong
- School of Food Science and Technology, National Engineering Research Center of Seafood, Liaoning Provincial Aquatic Products Deep Processing Technology Research Center, Dalian Polytechnic University, Dalian, China
| | - Hang Qi
- School of Food Science and Technology, National Engineering Research Center of Seafood, Liaoning Provincial Aquatic Products Deep Processing Technology Research Center, Dalian Polytechnic University, Dalian, China
- *Correspondence: Hang Qi,
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Wang W, Xu C, Wang Q, Hussain MA, Wang C, Hou J, Jiang Z. Protective Effect of Polyphenols, Protein, Peptides, and Polysaccharides on Alcoholic Liver Disease: A Review of Research Status and Molecular Mechanisms. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2023. [PMID: 37001022 DOI: 10.1021/acs.jafc.2c07081] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/19/2023]
Abstract
Alcoholic liver disease (ALD) has emerged as an important public health problem in the world. The polyphenols, protein, peptides, and polysaccharides have attracted attention for prevention or treatment of ALD. Therefore, this paper reviews the pathogenesis of ALD, the relationship between polyphenols, peptides, polysaccharides, and ALD, and expounds the mechanism of gut microbiota on protecting ALD. It is mainly found that the hydroxyl group of polyphenols endows it with antioxidation to protect ALD. The ALD protection of bioactive peptides is related to amino acid composition. The ALD protection of polysaccharides is related to the primary structure. Meanwhile, polyphenols, protein, peptides, and polysaccharides prevent or treat ALD by antioxidation, anti-inflammatory, antiapoptosis, lipid metabolism, and gut microbiota regulation. This contribution provides updated information on polyphenols, protein, peptides, and polysaccharides in response to ALD, which will not only facilitate the development of novel bioactive components but also the future application of functional food raw materials will be promoted.
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Affiliation(s)
- Wan Wang
- Key Laboratory of Dairy Science, College of Food Science, Northeast Agricultural University, Harbin 150030, China
| | - Cong Xu
- Key Laboratory of Dairy Science, College of Food Science, Northeast Agricultural University, Harbin 150030, China
| | - Qingyun Wang
- Beidahuang Wondersun Dairy Co., Ltd., Harbin 150090, China
| | - Muhammad Altaf Hussain
- Lasbela University of Agriculture, Water and Marine Science Uthal, Balochistan 90150, Pakistan
| | - Changyuan Wang
- College of Food Science, Heilongjiang Bayi Agricultural University, Daqing 163319, China
| | - Juncai Hou
- Key Laboratory of Dairy Science, College of Food Science, Northeast Agricultural University, Harbin 150030, China
| | - Zhanmei Jiang
- Key Laboratory of Dairy Science, College of Food Science, Northeast Agricultural University, Harbin 150030, China
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Biparva P, Mirzapour-Kouhdasht A, Valizadeh S, Garcia-Vaquero M. Advanced Processing of Giant Kelp ( Macrocystis pyrifera) for Protein Extraction and Generation of Hydrolysates with Anti-Hypertensive and Antioxidant Activities In Vitro and the Thermal/Ionic Stability of These Compounds. Antioxidants (Basel) 2023; 12:antiox12030775. [PMID: 36979023 PMCID: PMC10045072 DOI: 10.3390/antiox12030775] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2023] [Revised: 03/13/2023] [Accepted: 03/20/2023] [Indexed: 03/30/2023] Open
Abstract
In this study, giant kelp was explored under various conventional and ultrasound-assisted extraction (UAE) conditions for the extraction of protein, its hydrolysis, and ultrafiltration to generate multiple fractions. The amino acid composition of all the fractions and their biological activities in vitro, including angiotensin-converting enzyme I (ACE) inhibitory activity and antioxidant activities (2,2-diphenyl-1-picrylhydrazyl (DPPH) radical scavenging, reducing power (RP), and ferrous chelating (FC) activities) were tested by storing the compounds for 2 weeks at various temperatures (-20-60 °C) and pHs (2-11) to elucidate their thermal and ionic stability, respectively. The yield of protein extraction using the conventional method was lower (≈39%) compared to the use of UAE (150 W, 15 min), which achieved protein recoveries of approximately 60%. After enzymatic hydrolysis and ultrafiltration, low-molecular-weight (MW) hydrolysates had the highest levels of ACE inhibitory (80%), DPPH (84%), RP (0.71 mM trolox equivalents), and FC (81%) activities. Amino acids associated with peptides of high biological activities, such as Val, Ala, Asx, Gly, Lys, Met, Leu, and His, were at higher levels in the low MW fraction compared to any other sample. The biological activities in vitro of all the samples fluctuated under the multiple storage conditions studied, with the highest stability of all the samples appreciated at -20 °C and pH 7. This study shows for the first time the use of giant kelp as a promising source of bioactive peptides and indicates the optimum processing and storing conditions for the use of these compounds as nutraceuticals or functional foods that could help in the prevention of cardiovascular disorders and multiple chronic diseases associated with oxidative damage.
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Affiliation(s)
- Paniz Biparva
- Department of Food Science and Technology, School of Agriculture, Shiraz University, Shiraz P.O. Box 71441-65186, Iran
| | - Armin Mirzapour-Kouhdasht
- School of Agriculture and Food Science, University College Dublin, Belfield, D04 V1W8 Dublin, Ireland
| | - Shahriyar Valizadeh
- Department of Natural Resources and Environmental Engineering, School of Agriculture, Shiraz University, Shiraz P.O. Box 71441-65186, Iran
| | - Marco Garcia-Vaquero
- School of Agriculture and Food Science, University College Dublin, Belfield, D04 V1W8 Dublin, Ireland
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The Impact of Processing and Extraction Methods on the Allergenicity of Targeted Protein Quantification as Well as Bioactive Peptides Derived from Egg. Molecules 2023; 28:molecules28062658. [PMID: 36985630 PMCID: PMC10053729 DOI: 10.3390/molecules28062658] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2022] [Revised: 03/13/2023] [Accepted: 03/13/2023] [Indexed: 03/17/2023] Open
Abstract
This review article discusses advanced extraction methods to enhance the functionality of egg-derived peptides while reducing their allergenicity. While eggs are considered a nutrient-dense food, some proteins can cause allergic reactions in susceptible individuals. Therefore, various methods have been developed to reduce the allergenicity of egg-derived proteins, such as enzymatic hydrolysis, heat treatment, and glycosylation. In addition to reducing allergenicity, advanced extraction methods can enhance the functionality of egg-derived peptides. Techniques such as membrane separation, chromatography, and electrodialysis can isolate and purify specific egg-derived peptides with desired functional properties, improving their bioactivity. Further, enzymatic hydrolysis can also break down polypeptide sequences and produce bioactive peptides with various health benefits. While liquid chromatography is the most commonly used method to obtain individual proteins for developing novel food products, several challenges are associated with optimizing extraction conditions to maximize functionality and allergenicity reduction. The article also highlights the challenges and future perspectives, including optimizing extraction conditions to maximize functionality and allergenicity reduction. The review concludes by highlighting the potential for future research in this area to improve the safety and efficacy of egg-derived peptides more broadly.
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Kumar D, Tarafdar A, Dass SL, Pareek S, Badgujar PC. Antioxidant potential and amino acid profile of ultrafiltration derived peptide fractions of spent hen meat protein hydrolysate. JOURNAL OF FOOD SCIENCE AND TECHNOLOGY 2023; 60:1195-1201. [PMID: 36908371 PMCID: PMC9998797 DOI: 10.1007/s13197-022-05437-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Revised: 03/15/2022] [Accepted: 03/16/2022] [Indexed: 10/18/2022]
Abstract
Spent hen meat is considered as a category of waste generated by the poultry sector which can lead to serious environmental concerns if not disposed and utilized properly. In this work, spent hen meat was hydrolysed by 2% Flavourzyme (6.5 pH, 55 °C) followed by ultrafiltration to produce three peptide fractions with molecular weights > 10 kDa, 5-10 kDa and < 5 kDa. These fractions were evaluated for antioxidant potential, SDS PAGE and amino acid profile. The SDS PAGE profile demonstrated bands in the low molecular weight (< 10 kDa) region. Peptide fractions of < 5 kDa exhibited highest antioxidant activity and, essential as well as hydrophobic amino acid composition than whole hydrolysate and other peptide fractions. Incorporation of the identified hydrolysate fraction in food could improve its shelf stability while serving as a preventive component against human degenerative diseases.
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Affiliation(s)
- Deepak Kumar
- Department of Food Science and Technology, National Institute of Food Technology Entrepreneurship and Management, Kundli, Sonipat, Haryana 131 028 India
| | - Ayon Tarafdar
- Livestock Production and Management Section, ICAR-Indian Veterinary Research Institute, Izatnagar, Bareilly, Uttar Pradesh 243 122 India
| | - Sneh Lata Dass
- Department of Food Technology, Sharda University, Greater Noida, Uttar Pradesh 201 306 India
| | - Sunil Pareek
- Department of Agriculture and Environmental Sciences, National Institute of Food Technology Entrepreneurship and Management, Kundli, Sonipat, Haryana 131 028 India
| | - Prarabdh C. Badgujar
- Department of Food Science and Technology, National Institute of Food Technology Entrepreneurship and Management, Kundli, Sonipat, Haryana 131 028 India
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Marinaccio L, Zengin G, Pieretti S, Minosi P, Szucs E, Benyhe S, Novellino E, Masci D, Stefanucci A, Mollica A. Food-inspired peptides from spinach Rubisco endowed with antioxidant, antinociceptive and anti-inflammatory properties. Food Chem X 2023; 18:100640. [PMID: 37008720 PMCID: PMC10064441 DOI: 10.1016/j.fochx.2023.100640] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2022] [Revised: 02/22/2023] [Accepted: 03/10/2023] [Indexed: 03/16/2023] Open
Abstract
Rubiscolin-6 (amino acid sequence: YPLDLF) is a selective δ-opioid receptor peptide isolated from spinach Rubisco. Its synthetic analogue, peptide YPMDIV is the most potent described so far for its increased opioid activity, thus in this work it was considered as lead compound for the design of twelve new analogues e.g. LMAS1-12. Firstly all the novel compounds have been tested for their antinociceptive and anti-inflammatory capacity in vitro and in vivo in order to evaluate their ability to maintain or loss the original activity. Among them peptides LMAS5-8 gave the best results, thus their antioxidant properties have been investigated along with their enzymatic inhibitory ability. Peptide LMAS6 shows a strong antioxidant (154.25 mg TE/g CUPRAC) and inhibitor activity on tyrosinase (84.49 mg KAE/g), indicating a potential role in food industry as anti-browning agent, while peptides LMAS5 and LMAS7 possess a modest cholinesterase inhibitory activity suggesting a conceivable use for nutraceuticals production.
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Affiliation(s)
- Lorenza Marinaccio
- Department of Pharmacy, G. d’Annunzio University of Chieti-Pescara, Chieti 66100, Italy
| | - Gokhan Zengin
- Department of Biology, Science Faculty, Selcuk University, Konya 42130, Turkey
| | - Stefano Pieretti
- National Centre for Drug Research and Evaluation, Istituto Superiore di Sanità, Rome 00161, Italy
| | - Paola Minosi
- National Centre for Drug Research and Evaluation, Istituto Superiore di Sanità, Rome 00161, Italy
| | - Edina Szucs
- Institute of Biochemistry, Biological Research Centre, Szeged 6726, Hungary
| | - Sandor Benyhe
- Institute of Biochemistry, Biological Research Centre, Szeged 6726, Hungary
| | - Ettore Novellino
- NGN Healthcare, Mercogliano, 207, Via Nazionale Torrette 83013, Italy
| | - Domiziana Masci
- Department of Basic Biotechnological Sciences, Intensivological and Perioperative Clinics, Catholic University of Sacred Heart, Largo Francesco Vito 1, Rome 00168, Italy
| | - Azzurra Stefanucci
- Department of Pharmacy, G. d’Annunzio University of Chieti-Pescara, Chieti 66100, Italy
- Corresponding author.
| | - Adriano Mollica
- Department of Pharmacy, G. d’Annunzio University of Chieti-Pescara, Chieti 66100, Italy
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57
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Chen HJ, Dai FJ, Chen CY, Fan SL, Zheng JH, Chau CF, Lin YS, Chen CS. Effects of molecular weight fraction on antioxidation capacity of rice protein hydrolysates. Sci Rep 2023; 13:3464. [PMID: 36859456 PMCID: PMC9977952 DOI: 10.1038/s41598-022-14314-7] [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: 07/01/2021] [Accepted: 06/06/2022] [Indexed: 03/03/2023] Open
Abstract
Rice protein was used as a starting material to provide rice protein hydrolysates (RPH) through enzyme-assisted extraction. RPH was further fractionated using ultrafiltration membrane (UF) and classified by molecular weight (MW; MW < 1 kDa, MW 1-10 kDa, and MW > 10 kDa). Peptides with MW < 1 kDa possessed superior antioxidant properties (p < 0.05). Therefore, UF demonstrated great efficacy in selectively separating antioxidant peptides. A Pearson correlation analysis revealed that the total phenolic concentration was correlated with oxygen radical absorbance capacity (ORAC; r = 0.999, p < 0.05). Amino acid contents had negative correlations with the scavenging activity (specifically, IC50) of 1,1-diphenyl-2-picrylhydrazyl and 2,2'-azino-bis (3-ethylbenzothiazoline-6-sulfonic acid) radicals (r = - 0.986 to - 1.000). Reducing power was related to aromatic amino acid contents (r = 0.997, p < 0.05). In this study, enzymatic hydrolysis was discovered to be an effective method of extracting and isolating natural antioxidant proteins from broken rice, thus preserving the nutritional quality of rice and making those proteins more accessible in future applications.
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Affiliation(s)
- Hui-Ju Chen
- grid.260542.70000 0004 0532 3749Department of Food Science and Biotechnology, National Chung Hsing University, Taichung, 402204 Taiwan ,Healthmate Co., Ltd, Changhua, 500016 Taiwan
| | | | - Cheng-You Chen
- grid.412103.50000 0004 0622 7206Ph.D. Program in Materials and Chemical Engineering, National United University, Miaoli, 360302 Taiwan
| | | | - Ji-Hong Zheng
- grid.412103.50000 0004 0622 7206Department of Chemical Engineering, National United University, Miaoli, 360302 Taiwan
| | - Chi-Fai Chau
- grid.260542.70000 0004 0532 3749Department of Food Science and Biotechnology, National Chung Hsing University, Taichung, 402204 Taiwan
| | - Yung-Sheng Lin
- Ph.D. Program in Materials and Chemical Engineering, National United University, Miaoli, 360302, Taiwan. .,Department of Chemical Engineering, National United University, Miaoli, 360302, Taiwan. .,Institute of Food Safety and Health Risk Assessment, National Yang Ming Chiao Tung University, Taipei, 112304, Taiwan.
| | - Chin-Shuh Chen
- Department of Food Science and Biotechnology, National Chung Hsing University, Taichung, 402204, Taiwan.
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Yoodee S, Thongboonkerd V. Bioinformatics and computational analyses of kidney stone modulatory proteins lead to solid experimental evidence and therapeutic potential. Biomed Pharmacother 2023; 159:114217. [PMID: 36623450 DOI: 10.1016/j.biopha.2023.114217] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2022] [Revised: 12/26/2022] [Accepted: 01/04/2023] [Indexed: 01/09/2023] Open
Abstract
In recent biomedical research, bioinformatics and computational analyses have played essential roles for examining experimental findings and database information. Several bioinformatic tools have been developed and made publicly available for analyzing protein sequence, structure, functional motif/domain, and interactions network. Such properties are very helpful to define biochemical and functional roles of the protein(s) of interest. During the past few decades, bioinformatics and computational biotechnology have been widely applied to kidney stone research. This review summarizes commonly used tools and evidence of bioinformatics and computational biotechnology applied to kidney stone disease (KSD) with special emphasis on analyses of the stone modulatory proteins that play critical roles in kidney stone formation. Such analyses lead to solid experimental evidence to demonstrate mechanisms underlying their stone modulatory activities. The findings obtained from such analyses may also lead to better understanding of KSD pathogenesis and to further development of new therapeutic and preventive strategies.
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Affiliation(s)
- Sunisa Yoodee
- Medical Proteomics Unit, Research Department, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok 10700, Thailand
| | - Visith Thongboonkerd
- Medical Proteomics Unit, Research Department, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok 10700, Thailand.
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Tyagi A, Chelliah R, Banan-Mwine Daliri E, Sultan G, Madar IH, Kim NH, Shabbir U, Oh DH. Antioxidant activities of novel peptides from Limosilactobacillus reuteri fermented brown rice: A combined in vitro and in silico study. Food Chem 2023; 404:134747. [DOI: https:/doi.10.1016/j.foodchem.2022.134747] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/11/2024]
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60
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Role of Stingray ( Himantura signifier) Non-Protein Nitrogenous Fraction on the Oxidative Stability of Lipid and Myoglobin. Foods 2023; 12:foods12020274. [PMID: 36673372 PMCID: PMC9857616 DOI: 10.3390/foods12020274] [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: 11/21/2022] [Revised: 12/28/2022] [Accepted: 01/04/2023] [Indexed: 01/11/2023] Open
Abstract
Non-protein nitrogen (NPN) is abundant in stingray (Himantura signifier) muscle, which also has in vitro antioxidant activity. In this study, NPN from stingray muscle was further investigated for its antioxidant properties in lecithin liposome and oxymyoglobin model systems to validate its protective impact against lipid and myoglobin oxidations during storage for 120 min at various temperatures (4, 25, and 60 °C). NPN solution (10 ppm nitrogen) was added to the lecithin liposome system at different concentrations (0, 0.5, 1, 5, and 10% (v/v)) to investigate its effects on lipid stability by measuring the conjugated diene (CD), peroxide value (PV), and thiobarbituric acid reactive substances (TBARS) contents. In the oxymyoglobin system, NPN solution (10 ppm nitrogen) was also added at different concentrations (0, 0.5, 1, 5, and 10% (v/v)) to the oxymyoglobin solution in order to examine its effect on the stability of myoglobin by determining the contents of oxymyoglobin, metmyoglobin, and protein carbonyl. According to the findings, in all NPN concentrations, the system incubated at 4 °C had the lowest levels of lipid oxidation as measured by CD, PV, and TBARS values, and the lowest levels of myoglobin oxidation. At all incubating temperatures, the oxymyoglobin and lipid oxidation of all model systems tended to rise with the lengthening of the incubation duration. With the addition of 5% NPN, however, the lowest CD, PV, TBARS, oxymyoglobin oxidation, metmyoglobin formation, and protein carbonyl content were all observable, and the remarkable result was discovered during incubation at 4 °C. The results indicate that stingray NPN, especially at 5%, can be used to delay lipid and myoglobin oxidation, particularly at 4 °C. In order to prolong the shelf life of products with dark-fleshed fish and red meat, stingray NPN might be used as an alternative antioxidant to delay the oxidation of lipid and myoglobin during cold chain storage.
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Leiva-Portilla D, Martínez R, Bernal C. Valorization of shrimp (Heterocarpus reedi) processing waste via enzymatic hydrolysis: Protein extractions, hydrolysates and antioxidant peptide fractions. BIOCATALYSIS AND AGRICULTURAL BIOTECHNOLOGY 2023. [DOI: 10.1016/j.bcab.2023.102625] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
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Mardani M, Badakné K, Farmani J, Aluko RE. Antioxidant peptides: Overview of production, properties, and applications in food systems. Compr Rev Food Sci Food Saf 2023; 22:46-106. [PMID: 36370116 DOI: 10.1111/1541-4337.13061] [Citation(s) in RCA: 19] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2022] [Revised: 08/23/2022] [Accepted: 09/19/2022] [Indexed: 11/13/2022]
Abstract
In recent years, several studies have reported the beneficial effects of antioxidant peptides in delaying oxidation reactions. Thus, a growing number of food proteins have been investigated as suitable sources for obtaining these antioxidant peptides. In this study, some of the most critical developments in the discovery of peptidic antioxidants are discussed. Initially, the primary methods to release, purify, and identify these antioxidant peptides from various food-derived sources are reviewed. Then, computer-based screening methods of the available peptides are summarized, and methods to interpret their structure-activity relationship are illustrated. Finally, approaches to the large-scale production of these bioactive peptides are described. In addition, the applications of these antioxidants in food systems are discussed, and gaps, future challenges, and opportunities in this field are highlighted. In conclusion, various food items can be considered promising sources to obtain these novel antioxidant peptides, which present various opportunities for food applications in addition to health promotion. The lack of in-depth data on the link between the structure and activity of these antioxidants, which is critical for the prediction of possible bioactive amino acid sequences and their potency in food systems and in vivo conditions (rather than in vitro systems), requires further attention. Consequently, future collaborative research activities between the industry and academia are required to realize the commercialization objectives of these novel antioxidant peptides.
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Affiliation(s)
- Mohsen Mardani
- Department of Cereal and Industrial Plant Processing, Faculty of Food Science, Hungarian University of Agriculture and Life Sciences, Budapest, Hungary
| | - Katalin Badakné
- Department of Cereal and Industrial Plant Processing, Faculty of Food Science, Hungarian University of Agriculture and Life Sciences, Budapest, Hungary
| | - Jamshid Farmani
- Department of Food Science and Technology, Faculty of Agricultural Engineering, Sari Agricultural Sciences and Natural Resources University, Sari, Iran
| | - Rotimi E Aluko
- Department of Food and Human Nutritional Sciences, University of Manitoba, Winnipeg, Manitoba, Canada
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Xiong Y, Peng P, Chen SJ, Chang M, Wang Q, Yin SN, Ren DF. Preparation, identification, and molecular docking of novel elastase inhibitory peptide from walnut ( Juglans regia L.) meal. FOOD CHEMISTRY. MOLECULAR SCIENCES 2022; 5:100139. [PMID: 36262383 PMCID: PMC9574760 DOI: 10.1016/j.fochms.2022.100139] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/10/2022] [Revised: 09/27/2022] [Accepted: 10/01/2022] [Indexed: 05/13/2023]
Abstract
This study aimed to isolate bioactive peptides with elastase inhibitory activity from walnut meal via ultrasonic enzymatic hydrolysis. The optimal hydrolysis conditions of walnut meal protein hydrolysates (WMPHs) were obtained by response surface methodology (RSM), while a molecular weight of<3 kDa fraction was analyzed by LC-MS/MS, and 556 peptides were identified. PyRx virtual screening and Autodock Vina molecular docking revealed that the pentapeptide Phe-Phe-Val-Pro-Phe (FFVPF) could interact with elastase primarily through hydrophobic interactions, hydrogen bonds, and π-sulfur bonds, with a binding energy of -5.22 kcal/mol. The verification results of inhibitory activity showed that FFVPF had better elastase inhibitory activity, with IC50 values of 0.469 ± 0.01 mg/mL. Furthermore, FFVPF exhibited specific stability in the gastric environment. These findings suggest that the pentapeptide FFVPF from defatted walnut meal could serve as a potential source of elastase inhibitors in the food, medical, and cosmetics industries.
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64
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Deng S, Li J, Luo T, Deng Z. Flaxseed Cyclic Peptide [1-9-NαC]-Linusorb B3 (CLA) Improves Oxidative Stability of Flaxseed Oil by Chelating Metal Ions and Intermediate Oxidative Products. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2022; 70:15776-15786. [PMID: 36374563 DOI: 10.1021/acs.jafc.2c06102] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
Oxidative rancidity is a major issue limiting the utilization of flaxseed oil (FSO). Peptides possess an antioxidant effect; however, the flax cyclic peptide, a unique ingredient in FSO, has an obscure influence on the oxidation of FSO. Therefore, this study is aimed to investigate the effects of [1-9-NαC]-linusorb B3 (CLA) on the accelerated oxidation of FSO and the underlying mechanism. We found that CLA increased the antioxidant stability of refined flaxseed oil (RFO), indicated by the improved parameters involved in the oxidation after the addition of CLA. After accelerated oxidation, the acid value (AV) of the RFO was increased by 24.14 times, whereas that of the RFO with CLA (CLA-RFO) increased only by 7.21 times. Similarly, the peroxide value (POV) and P-anisidine value (P-AV) of CLA-RFO were significantly decreased. Besides, CLA influenced metal ions-induced oxidation. In the Cu2+ group, the addition of CLA reduced the AV by 18% and the POV by 20%. The results of the molecular docking analysis and fluorescence quenching showed that the metal ions and propionaldehyde interacted with the cavity of CLA, and propionaldehyde had the most stable binding configuration with CLA, indicating that CLA may slow down the oxidation of FSO by chelating the metal ions and the intermediate oxidative products.
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Affiliation(s)
- Shilu Deng
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang, Jiangxi330047, China
| | - Jing Li
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang, Jiangxi330047, China
| | - Ting Luo
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang, Jiangxi330047, China
| | - Zeyuan Deng
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang, Jiangxi330047, China
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65
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Enzymatic Modification of Plant Proteins for Improved Functional and Bioactive Properties. FOOD BIOPROCESS TECH 2022. [DOI: 10.1007/s11947-022-02971-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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66
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Novel Peptide Sequences with ACE-Inhibitory and Antioxidant Activities Derived from the Heads and Bones of Hybrid Groupers ( Epinephelus lanceolatus × Epinephelus fuscoguttatus). Foods 2022; 11:foods11243991. [PMID: 36553733 PMCID: PMC9777584 DOI: 10.3390/foods11243991] [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: 10/23/2022] [Revised: 11/22/2022] [Accepted: 11/23/2022] [Indexed: 12/14/2022] Open
Abstract
The heads and bones of hybrid groupers are potential precursors for angiotensin-converting enzyme (ACE)-inhibitory and antioxidant peptides. The aim of this study was to isolate the dual-action peptides from the Alcalase-treated head and bone hydrolysate of hybrid groupers followed by identification of the novel peptides. The stability of these peptides against stimulated in vitro gastrointestinal digestion (SGID) was also determined. Fraction HB-IV (less than 1 kDa) obtained from ultrafiltration showed the strongest ACE-inhibition ability (IC50: 0.28 mg/mL), which was comparable to the potency of the commercial supplement, PeptACE (IC50: 0.22 mg/mL). This fraction also demonstrated the highest hydroxyl radical scavenging and metal-chelating activities. However, further fractionation of HB-IV by a series of chromatography resulted in peptide fractions of reduced ACE-inhibitory and antioxidant activities. The hydroxyl radical scavenging and reduction potential of HB-IV were enhanced, whereas ACE-inhibitory and metal-chelating activities were reduced following SGID. A total of 145 peptide sequences were identified from HB-IV, of which 137 peptides were novel to the BIOPEP database. The results suggested that the bioactive peptides isolated from the heads and bones of hybrid groupers could be used as functional foods/ingredients with potential ACE-inhibitory and antioxidant effects.
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67
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Zhang Q, Long X, Xie J, Xue B, Li X, Gan J, Bian X, Sun T. Effect of d-galactose on physicochemical and functional properties of soy protein isolate during Maillard reaction. Food Hydrocoll 2022. [DOI: 10.1016/j.foodhyd.2022.107914] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
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68
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Mo Q, You S, Fu H, Wang D, Zhang J, Wang C, Li M. Purification and Identification of Antioxidant Peptides from Rice Fermentation of Lactobacillus plantarum and Their Protective Effects on UVA-Induced Oxidative Stress in Skin. Antioxidants (Basel) 2022; 11:antiox11122333. [PMID: 36552541 PMCID: PMC9774751 DOI: 10.3390/antiox11122333] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2022] [Revised: 11/14/2022] [Accepted: 11/21/2022] [Indexed: 11/29/2022] Open
Abstract
Oxidative stress is an important factor on both aging and disease. Among foods endowed with beneficial healthy properties, rice is a very useful material, not only because it has a good amino acid ratio and produces antioxidant peptides through microbial fermentation, but also for its inexpensive availability. In this study, rice was treated with Lactobacillus plantarum, and the resulting mixture of small peptides with less than 11 amino acids (RFP) was extracted and purified from the fermentation broth. Subsequently, the antioxidant activity of RFP was assessed using the chemical model, cell biology, and animal model methods. RFP enhanced the expression of the antioxidant enzyme genes downstream of the KEAP1-NRF2/ARE pathway by promoting nuclear factor-erythroid 2-related factor 2 (NRF2) nuclear translocation while simultaneously removing lipid oxidation products and excess free radicals. These results suggest that RFP is a potential substance for resisting aging and disease caused by oxidative stress.
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Affiliation(s)
- Qiuting Mo
- Beijing Key Laboratory of Plant Resource Research and Development, College of Chemistry and Materials Engineering, Beijing Technology and Business University, Beijing 100048, China
- Institute of Cosmetic Regulatory Science, Beijing Technology and Business University, Beijing 100048, China
| | - Shiquan You
- Beijing Key Laboratory of Plant Resource Research and Development, College of Chemistry and Materials Engineering, Beijing Technology and Business University, Beijing 100048, China
- Institute of Cosmetic Regulatory Science, Beijing Technology and Business University, Beijing 100048, China
| | - Hao Fu
- Beijing Key Laboratory of Plant Resource Research and Development, College of Chemistry and Materials Engineering, Beijing Technology and Business University, Beijing 100048, China
- Institute of Cosmetic Regulatory Science, Beijing Technology and Business University, Beijing 100048, China
| | - Dongdong Wang
- Beijing Key Laboratory of Plant Resource Research and Development, College of Chemistry and Materials Engineering, Beijing Technology and Business University, Beijing 100048, China
- Institute of Cosmetic Regulatory Science, Beijing Technology and Business University, Beijing 100048, China
| | - Jiachan Zhang
- Beijing Key Laboratory of Plant Resource Research and Development, College of Chemistry and Materials Engineering, Beijing Technology and Business University, Beijing 100048, China
- Institute of Cosmetic Regulatory Science, Beijing Technology and Business University, Beijing 100048, China
| | - Changtao Wang
- Beijing Key Laboratory of Plant Resource Research and Development, College of Chemistry and Materials Engineering, Beijing Technology and Business University, Beijing 100048, China
- Institute of Cosmetic Regulatory Science, Beijing Technology and Business University, Beijing 100048, China
| | - Meng Li
- Beijing Key Laboratory of Plant Resource Research and Development, College of Chemistry and Materials Engineering, Beijing Technology and Business University, Beijing 100048, China
- Institute of Cosmetic Regulatory Science, Beijing Technology and Business University, Beijing 100048, China
- Correspondence:
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69
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Response surface optimization of selenium-enriched Moringa oleifera seed peptides with antioxidant, ACEI and XOI activities. JOURNAL OF FOOD MEASUREMENT AND CHARACTERIZATION 2022. [DOI: 10.1007/s11694-022-01690-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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70
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Zhang J, Liu M, Deng H, Zhao Y, Zhu Y, Bai J, Xiao X. Purification and Identification of Lipid-Lowering Protein from Barley Extract after Lactiplantibacillus plantarum dy-1 fermentation. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2022; 70:14488-14498. [PMID: 36345907 DOI: 10.1021/acs.jafc.2c05211] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
Previous studies have found that the protein in barley extract fermented by Lactiplantibacillus plantarum dy-1 has the ability to inhibit lipid accumulation. However, the isolation, purification, and structural identification of the protein with lipid-lowering activity were still needed. In the present study, barley protein fermented by L. plantarum dy-1 with the optimal lipid-lowering ability was isolated and purified in three steps: using ammonium sulfate precipitation, anion-exchange chromatography, and size-exclusion chromatography. Combined with the model of HepG2 cells induced by oleic acid, the results showed that the pure protein LFBEP-C1 had the best lipid-lowering potential. Furthermore, our research found that LFBEP-C1 enriched the content of hydrophobic amino acids in LFBEP-C1. Ultraviolet spectroscopy analysis indicated that the glycosidic bond in LFBEP-C1 was an O-type glycosidic bond. The FTIR and circular dichroism spectra indicated that α-helix and random coil were the main secondary structures of LFBEP-C1. Mass spectrometry determined the theoretical molecular weight of LFBEP-C1 as 48 kDa, and its amino acid coverage was 63%. These findings suggest that the protein LFBEP-C1 with the best lipid-lowering activity was isolated and purified, and its structural characteristics were identified.
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Affiliation(s)
- Jiayan Zhang
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang 212013, China
- Inspection Quarantine Bureau Inspection and Quarantine Technology Center, Zhenjiang 212000, China
| | - Mengting Liu
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang 212013, China
| | - Huan Deng
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang 212013, China
| | - Yansheng Zhao
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang 212013, China
| | - Ying Zhu
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang 212013, China
| | - Juan Bai
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang 212013, China
| | - Xiang Xiao
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang 212013, China
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71
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Metal-Chelating Peptides Separation Using Immobilized Metal Ion Affinity Chromatography: Experimental Methodology and Simulation. SEPARATIONS 2022. [DOI: 10.3390/separations9110370] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Metal-Chelating Peptides (MCPs), obtained from protein hydrolysates, present various applications in the field of nutrition, pharmacy, cosmetic etc. The separation of MCPs from hydrolysates mixture is challenging, yet, techniques based on peptide-metal ion interactions such as Immobilized Metal Ion Affinity Chromatography (IMAC) seem to be efficient. However, separation processes are time consuming and expensive, therefore separation prediction using chromatography modelling and simulation should be necessary. Meanwhile, the obtention of sorption isotherm for chromatography modelling is a crucial step. Thus, Surface Plasmon Resonance (SPR), a biosensor method efficient to screen MCPs in hydrolysates and with similarities to IMAC might be a good option to acquire sorption isotherm. This review highlights IMAC experimental methodology to separate MCPs and how, IMAC chromatography can be modelled using transport dispersive model and input data obtained from SPR for peptides separation simulation.
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72
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Zhang G, Guo F, Zeng M, Wang Z, Qin F, Chen J, Zheng Z, He Z. The immune-enhancing effect and in vitro antioxidant ability of different fractions separated from Colla corii asini. J Food Biochem 2022; 46:e14174. [PMID: 35415887 DOI: 10.1111/jfbc.14174] [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: 11/30/2021] [Revised: 03/01/2022] [Accepted: 03/28/2022] [Indexed: 12/29/2022]
Abstract
In this study, Colla corii asini (CCA) was fractionated into three fractions with different molecular weights using ultracentrifugation equipment. Components with a molecular weight of >10 kDa in F1 accounted for 81.90%, whereas that in F2 and F3 was 15.63% and 0.94%, respectively. The immunomodulatory activity of CCA fractions was investigated using RAW264.7 cell model and their antioxidant abilities were evaluated by 2'-Azinobis-(3-ethylbenzthiazoline-6-sulphonate) (ABTS) and ferric-reducing antioxidant power (FRAP) assay. The results indicated that RAW264.7 cells treated with F1 released the highest level of nitric oxide, reactive oxygen species, interleukin-6, and tumor necrosis factor-α. The ABTS and FRAP value of F1 were 65.81% and 29.33 μM TE/L, respectively, which were 22.53%, 128.44% and 43.72%, 132.16% higher than that of F2 and F3, respectively. These results suggested that components with a molecular weight of >10 kDa in CCA had stronger immunomodulatory and antioxidant ability, which would help develop the health food based on CCA. PRACTICAL APPLICATIONS: Colla corii asini (CCA) is a famous protein-based traditional Chinese medicine and nutritional supplement. During the processing of CCA, the molecular weight (MW) of CCA collagen components changed dynamically due to the protein aggregation, degradation, and the Maillard reaction. Some studies have shown that the MW distribution of CCA was not uniform. However, the MW range of CCA components which has strong antioxidant and immunomodulatory activity is still not clear, and few studies have reported the mechanism of CCA's immunomodulatory activity and active ingredients. Therefore, it is important to figure out the characteristics of CCA components with stronger immunomodulatory and antioxidant ability, such as the MW distribution and chemical composition of CCA fractions. And this study will be great for the processing of CCA products which has better biological functions.
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Affiliation(s)
- Guowei Zhang
- Fujian Province Key Laboratory for the Development of Bioactive Material from Marine Algae, Quanzhou Normal University, Quanzhou, China.,State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, China
| | - Fengxian Guo
- Fujian Province Key Laboratory for the Development of Bioactive Material from Marine Algae, Quanzhou Normal University, Quanzhou, China
| | - Maomao Zeng
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, China
| | - Zhaojun Wang
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, China
| | - Fang Qin
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, China
| | - Jie Chen
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, China
| | - Zongping Zheng
- Fujian Province Key Laboratory for the Development of Bioactive Material from Marine Algae, Quanzhou Normal University, Quanzhou, China
| | - Zhiyong He
- Fujian Province Key Laboratory for the Development of Bioactive Material from Marine Algae, Quanzhou Normal University, Quanzhou, China.,State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, China
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73
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Okagu IU, Udenigwe CC. Transepithelial transport and cellular mechanisms of food-derived antioxidant peptides. Heliyon 2022; 8:e10861. [PMID: 36217466 PMCID: PMC9547200 DOI: 10.1016/j.heliyon.2022.e10861] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2021] [Revised: 04/23/2022] [Accepted: 09/27/2022] [Indexed: 11/18/2022] Open
Abstract
Considering the involvement of oxidative stress in the etiology of many non-communicable diseases, food-derived antioxidant peptides (FDAPs) are strong candidates for nutraceutical development for disease prevention and management. This paper reviews current evidence on the transepithelial transport and cellular mechanisms of antioxidant activities of FDAPs. Several FDAPs have multiple health benefits such as anti-inflammatory and anti-photoaging activities, in addition to antioxidant properties through which they protect cellular components from oxidative damage. Some FDAPs have been shown to permeate the intestinal epithelium, which could facilitate their bioavailability and physiological bioactivities. Molecular mechanisms of FDAPs include suppression of oxidative stress as evidenced by reduction in intracellular reactive oxygen species production, lipid peroxidation and apoptotic protein activation as well as increase in antioxidant defense mechanisms (enzymatic and non-enzymatic). Since many FDAPs have demonstrated promising antioxidant activity, future investigation should focus on further elucidation of molecular mechanisms and human studies to explore their practical application for the prevention and management of oxidative stress-related diseases.
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Affiliation(s)
- Innocent U. Okagu
- Department of Biochemistry, Faculty of Biological Sciences, University of Nigeria, Nsukka, Enugu State, Nigeria
| | - Chibuike C. Udenigwe
- School of Nutrition Sciences, Faculty of Health Sciences, University of Ottawa, Ottawa, Ontario, K1H 8M5, Canada
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74
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Antioxidant activities of novel peptides from Limosilactobacillus reuteri fermented brown rice: A combined in vitro and in silico study. Food Chem 2022; 404:134747. [PMID: 36444095 DOI: 10.1016/j.foodchem.2022.134747] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2021] [Revised: 10/17/2022] [Accepted: 10/23/2022] [Indexed: 11/21/2022]
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75
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Bioactive Peptides from Skipjack Tuna Cardiac Arterial Bulbs: Preparation, Identification, Antioxidant Activity, and Stability against Thermal, pH, and Simulated Gastrointestinal Digestion Treatments. Mar Drugs 2022; 20:md20100626. [PMID: 36286450 PMCID: PMC9604775 DOI: 10.3390/md20100626] [Citation(s) in RCA: 36] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2022] [Revised: 09/27/2022] [Accepted: 09/28/2022] [Indexed: 11/04/2022] Open
Abstract
Cardiac arterial bulbs of Skipjack tuna (Katsuwonus pelamis) are rich in elastin, and its hydrolysates are high quality raw materials for daily cosmetics. In order to effectively utilizing Skipjack tuna processing byproducts-cardiac arterial bulbs and to prepare peptides with high antioxidant activity, pepsin was selected from six proteases for hydrolyzing proteins, and the best hydrolysis conditions of pepsin were optimized. Using ultrafiltration and chromatographic methods, eleven antioxidant peptides were purified from protein hydrolysate of tuna cardiac arterial bulbs. Four tripeptides (QGD, PKK, GPQ and GLN) were identified as well as seven pentapeptides (GEQSN, GEEGD, YEGGD, GEGER, GEGQR, GPGLM and GDRGD). Three out of them, namely the tripeptide PKK and the pentapeptides YEGGD and GPGLM exhibited the highest radical scavenging activities on 2,2-diphenyl-1-picrylhydrazyl (DPPH), hydroxyl, 2,2'-azino-bis-3-ethylbenzothiazoline-6-sulfonic acid (ABTS) and superoxide anion assays. They also showed to protect plasmid DNA and HepG2 cells against H2O2-induced oxidative stress. Furthermore, they exhibited high stability under temperature ranged from 20-100 °C, pH values ranged from 3-11, and they simulated gastrointestinal digestion for 240 min. These results suggest that the prepared eleven antioxidant peptides from cardiac arterial bulbs, especially the three peptides PKK, YEGGD, and GPGLM, could serve as promising candidates in health-promoting products due to their high antioxidant activity and their stability.
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76
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Senadheera TRL, Hossain A, Dave D, Shahidi F. In Silico Analysis of Bioactive Peptides Produced from Underutilized Sea Cucumber By-Products-A Bioinformatics Approach. Mar Drugs 2022; 20:610. [PMID: 36286434 PMCID: PMC9605078 DOI: 10.3390/md20100610] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2022] [Revised: 09/19/2022] [Accepted: 09/26/2022] [Indexed: 10/15/2023] Open
Abstract
Bioinformatic tools are widely used in predicting potent bioactive peptides from food derived materials. This study was focused on utilizing sea cucumber processing by-products for generating antioxidant and ACE inhibitory peptides by application of a range of in silico techniques. Identified peptides using LC-MS/MS were virtually screened by PepRank technique followed by in silico proteolysis simulation with representative digestive enzymes using BIOPEP-UWMTM data base tool. The resultant peptides after simulated digestion were evaluated for their toxicity using ToxinPred software. All digestive resistance peptides were found to be non-toxic and displayed favorable functional properties indicating their potential for use in a wide range of food applications, including hydrophobic and hydrophilic systems. Identified peptides were further assessed for their medicinal characteristics by employing SwissADME web-based application. Our findings provide an insight on potential use of undervalued sea cucumber processing discards for functional food product development and natural pharmaceutical ingredients attributed to the oral drug discovery process.
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Affiliation(s)
| | - Abul Hossain
- Department of Biochemistry, Memorial University of Newfoundland, St. John’s, NL A1C 5S7, Canada
| | - Deepika Dave
- Department of Biochemistry, Memorial University of Newfoundland, St. John’s, NL A1C 5S7, Canada
- Marine Bioprocessing Facility, Centre of Aquaculture and Seafood Development, Marine Institute, Memorial University, St. John’s, NL A1C 5R3, Canada
| | - Fereidoon Shahidi
- Department of Biochemistry, Memorial University of Newfoundland, St. John’s, NL A1C 5S7, Canada
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77
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Li S, Yuan N, Guo W, Chai Y, Song Y, Zhao Y, Zeng M, Wu H. Antioxidant and anti-inflammatory protective effects of yellowtail ( Seriola quinqueradiata) milt hydrolysates on human intestinal epithelial cells in vitro and dextran sodium sulphate-induced mouse colitis in vivo. Food Funct 2022; 13:9169-9182. [PMID: 36069409 DOI: 10.1039/d2fo00967f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Milt is an underutilized fish processing by-product containing valuable nutrients for human health. Here, a gastrointestinal hydrolysate of degreased yellowtail (Seriola quinqueradiata) milt contained 70.6% arginine-rich protein, 20% nucleic acids, 7.1% minerals and 2.3% carbohydrates. Yellowtail milt hydrolysates (YMH) effectively attenuated the H2O2-induced burst of intracellular reactive oxygen species, plasma membrane impairment, loss of cell viability, interleukin 8 production and the expression of claudin-4 and occludin in Caco-2 cells with its protein fraction playing a greater antioxidant role than its nucleic acid fraction. YMH also significantly counteracted the tumor necrosis factor α- and interleukin 1β-stimulated interleukin 8 production and cyclooxygenase-2 and inducible nitric oxide synthase expression in Caco-2 cells and inhibited the production of nitric oxide and proinflammatory mediators in lipopolysaccharide-stimulated RAW 264.7 cells depending on its protein fraction, rather than its nucleic acid fraction. YMH and a positive drug 5-aminosalicylic acid were intragastrically administered to C57BL/6 mice daily for 7 days during and after 4-day dextran sodium sulphate exposure. Based on clinical signs, colon histopathology and biochemical analysis of colonic tight junction proteins, mucus compositions and goblet cells, YMH ameliorated mouse colitis symptoms and intestinal epithelial barrier dysfunction more effectively than 5-aminosalicylic acid. According to myeloperoxidase activity, proinflammatory cytokines and NF-κB, YMH and 5-aminosalicylic acid exerted equivalent inhibitory effects on colonic and systemic inflammation. Overall, YMH have considerable antioxidant and anti-inflammatory efficacies to maintain gut health.
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Affiliation(s)
- Shiyang Li
- College of Food Science and Engineering, Ocean University of China, 5 Yushan Road, Qingdao, Shandong, 266003, China.
| | - Ning Yuan
- College of Science and Technology, Hebei Agricultural University, Cangzhou 061100, China
| | - Wei Guo
- School of Pharmacy, Binzhou Medical University, 346 Guanhai Road, Yantai, Shandong, 264003, China
| | - Yuan Chai
- College of Food Science and Engineering, Ocean University of China, 5 Yushan Road, Qingdao, Shandong, 266003, China.
| | - Yi Song
- College of Food Science and Engineering, Ocean University of China, 5 Yushan Road, Qingdao, Shandong, 266003, China.
| | - Yuanhui Zhao
- College of Food Science and Engineering, Ocean University of China, 5 Yushan Road, Qingdao, Shandong, 266003, China.
| | - Mingyong Zeng
- College of Food Science and Engineering, Ocean University of China, 5 Yushan Road, Qingdao, Shandong, 266003, China.
| | - Haohao Wu
- College of Food Science and Engineering, Ocean University of China, 5 Yushan Road, Qingdao, Shandong, 266003, China.
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78
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Takeuchi Y, Fukunaga M, Iwatani S, Miyanaga K, Adachi T, Yamamoto N. Release of an anti-anxiety peptide in casein hydrolysate with Aspergillus oryzae protease. Food Funct 2022; 13:10449-10460. [PMID: 36129023 DOI: 10.1039/d2fo01793h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Food protein-derived peptides with agonistic effects on receptors have great potential for treating anxiety, hypertension, and stress. In the present study, opioid peptides with agonistic activities for δ-receptor-expressing HEK293 cells were screened from casein hydrolysates prepared with five types of food grade proteolytic enzymes, among which casein hydrolysate with Aspergillus oryzae protease ASD showed the highest opioid activity. Eluted fractions showing potent opioid activity were further purified for active peptides by reverse phase-HPLC. The peptide in the active fraction was identified as YPFPGPIPNS, a member of β-casomorphin (CM-10) (β-casein 60-69). Various CM-10 derivative peptides were synthesized and their characteristic features for specificities towards δ- and μ-receptors were determined. Peptides 5 to 12 amino acids long showed relatively higher opioid activities for δ- and μ-receptors. CM-10 was docked into the optimized δ-receptor model. The CDOCKER energies of the CM-10 derivatives were consistent with their opioid activities. In the elevated plus-maze study, CM-10 showed a significant anti-anxiety effect in BALB/c mice at a dose of 10 mg per kg body weight when administered orally, but not via intravenous injection. Furthermore, intravital imaging revealed that Ca2+ signaling was induced in the small intestinal villi of a Yellow Cameleon 3.60 (YC3.60)-expressing mouse upon injection with CM-10. However, this decreased in the presence of δ- or μ-receptor antagonists. These results suggest that the opioid peptide CM-10 prepared from casein with ASD has an anti-anxiety effect through interaction with gut δ- and/or μ-opioid receptors in the mouse gut.
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Affiliation(s)
- Yui Takeuchi
- School of Life Science and Technology, Tokyo Institute of Technology, Yokohama, Kanagawa 226-8501, Japan.
| | - Moe Fukunaga
- School of Life Science and Technology, Tokyo Institute of Technology, Yokohama, Kanagawa 226-8501, Japan.
| | - Shun Iwatani
- School of Life Science and Technology, Tokyo Institute of Technology, Yokohama, Kanagawa 226-8501, Japan. .,Tsukuba Biotechnology Research Center, 5-2-3, Tokodai, Tsukuba-shi, Ibaraki 300-2698, Japan
| | - Kazuhiko Miyanaga
- School of Life Science and Technology, Tokyo Institute of Technology, Yokohama, Kanagawa 226-8501, Japan. .,Department of Infection and Immunity, School of Medicine, Jichi Medical University, 3311-1, Yakushiji, Shimotsuke-Shi, Tochigi, 329-0498, Japan
| | - Takahiro Adachi
- Department of Immunology, Medical Research Institute, Tokyo Medical and Dental University, 1-5-45, Yushima, Bunkyo-ku, Tokyo 113-8510, Japan
| | - Naoyuki Yamamoto
- School of Life Science and Technology, Tokyo Institute of Technology, Yokohama, Kanagawa 226-8501, Japan.
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79
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Zhang S, Li X, Yan X, Julian McClements D, Ma C, Liu X, Liu F. Ultrasound-assisted preparation of lactoferrin-EGCG conjugates and their application in forming and stabilizing algae oil emulsions. ULTRASONICS SONOCHEMISTRY 2022; 89:106110. [PMID: 35961190 PMCID: PMC9382344 DOI: 10.1016/j.ultsonch.2022.106110] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/02/2022] [Revised: 07/15/2022] [Accepted: 07/28/2022] [Indexed: 05/09/2023]
Abstract
The aim of this study was to prepare lactoferrin-epigallocatechin-3-gallate (LF-EGCG) conjugates and to determine their ability to protect emulsified algal oil against aggregation and oxidation. LF-EGCG conjugates were formed using an ultrasound-assisted alkaline treatment. The ultrasonic treatment significantly improved the grafting efficiency of LF and EGCG and shortened the reaction time from 24 h to 40 min. Fourier transform infrared spectroscopy and circular dichroism spectroscopy analyses showed that the covalent/non-covalent complexes could be formed between LF and EGCG, with the CO and CN groups playing an important role. The formation of the conjugates reduced the α-helix content and increased the random coil content of the LF. Moreover, the antioxidant activity of LF was significantly enhanced after conjugation with EGCG. LF-EGCG conjugates as emulsifiers were better at inhibiting oil droplet aggregation and oxidation than LF alone. This study demonstrates that ultrasound-assisted formation of protein-polyphenol conjugates can enhance the functional properties of the proteins, thereby extending their application as functional ingredients in nutritionally fortified foods.
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Affiliation(s)
- Sairui Zhang
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Xueqi Li
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Xiaojia Yan
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China
| | | | - Cuicui Ma
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Xuebo Liu
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Fuguo Liu
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China.
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80
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81
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Polysaccharides-based delivery system for efficient encapsulation and controlled release of food-derived active peptides. Carbohydr Polym 2022; 291:119580. [DOI: 10.1016/j.carbpol.2022.119580] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2022] [Revised: 04/18/2022] [Accepted: 05/04/2022] [Indexed: 11/23/2022]
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Bartolomei M, Capriotti AL, Li Y, Bollati C, Li J, Cerrato A, Cecchi L, Pugliese R, Bellumori M, Mulinacci N, Laganà A, Arnoldi A, Lammi C. Exploitation of Olive (Olea europaea L.) Seed Proteins as Upgraded Source of Bioactive Peptides with Multifunctional Properties: Focus on Antioxidant and Dipeptidyl-Dipeptidase—IV Inhibitory Activities, and Glucagon-like Peptide 1 Improved Modulation. Antioxidants (Basel) 2022; 11:antiox11091730. [PMID: 36139804 PMCID: PMC9495363 DOI: 10.3390/antiox11091730] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2022] [Revised: 08/27/2022] [Accepted: 08/28/2022] [Indexed: 11/18/2022] Open
Abstract
Agri-food industry wastes and by-products include highly valuable components that can upgraded, providing low-cost bioactives or used as an alternative protein source. In this context, by-products from olive production and olive oil extraction process, i.e., seeds, can be fostered. In particular, this work was aimed at extracting and characterizing proteins for Olea europaea L. seeds and at producing two protein hydrolysates using alcalase and papain, respectively. Peptidomic analysis were performed, allowing to determine both medium- and short-sized peptides and to identify their potential biological activities. Moreover, an extensive characterization of the antioxidant properties of Olea europaea L. seed hydrolysates was carried out both in vitro by 2,2-diphenyl-1-picrylhydrazyl (DPPH), by ferric reducing antioxidant power (FRAP), and by 2,2′-Azino-bis(3-ethylbenzothiazoline-6-sulfonic acid) diammonium salt (ABTS) assays, respectively, and at cellular level by measuring the ability of these hydrolysates to significant reduce the H2O2-induced reactive oxygen species (ROS) and lipid peroxidation levels in human intestinal Caco-2 cells. The results of the both hydrolysates showed significant antioxidant properties by reducing the free radical scavenging activities up to 65.0 ± 0.1% for the sample hydrolyzed with alcalase and up to 75.7 ± 0.4% for the papain hydrolysates tested at 5 mg/mL, respectively. Moreover, similar values were obtained by the ABTS assays, whereas the FRAP increased up to 13,025.0 ± 241.5% for the alcalase hydrolysates and up to 12,462.5 ± 311.9% for the papain hydrolysates, both tested at 1 mg/mL. According to the in vitro results, both papain and alcalase hydrolysates restore the cellular ROS levels up 130.4 ± 4.24% and 128.5 ± 3.60%, respectively, at 0.1 mg/mL and reduce the lipid peroxidation levels up to 109.2 ± 7.95% and 73.0 ± 7.64%, respectively, at 1.0 mg/mL. In addition, results underlined that the same hydrolysates reduced the activity of dipeptidyl peptidase-IV (DPP-IV) in vitro and at cellular levels up to 42.9 ± 6.5% and 38.7 ± 7.2% at 5.0 mg/mL for alcalase and papain hydrolysates, respectively. Interestingly, they stimulate the release and stability of glucagon-like peptide 1 (GLP-1) hormone through an increase of its levels up to 660.7 ± 21.9 pM and 613.4 ± 39.1 pM for alcalase and papain hydrolysates, respectively. Based on these results, olive seed hydrolysates may represent new ingredients with antioxidant and anti-diabetic properties for the development of nutraceuticals and functional foods for the prevention of metabolic syndrome onset.
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Affiliation(s)
- Martina Bartolomei
- Department of Pharmaceutical Sciences, University of Milan, 20133 Milan, Italy
| | - Anna Laura Capriotti
- Department of Chemistry, Sapienza University of Rome, Piazzale Aldo Moro 5, 00185 Rome, Italy
| | - Yuchen Li
- Longping Biotech Co., Ltd., Sanya 572000, China
| | - Carlotta Bollati
- Department of Pharmaceutical Sciences, University of Milan, 20133 Milan, Italy
| | - Jianqiang Li
- Department of Pharmaceutical Sciences, University of Milan, 20133 Milan, Italy
| | - Andrea Cerrato
- Department of Chemistry, Sapienza University of Rome, Piazzale Aldo Moro 5, 00185 Rome, Italy
| | - Lorenzo Cecchi
- Department of Neuroscience, Psychology, Drug and Child Health, Pharmaceutical and Nutraceutical Section, University of Florence, 50019 Florence, Italy
| | - Raffaele Pugliese
- NeMO Lab, ASST Grande Ospedale Metropolitano Niguarda, 20162 Milan, Italy
| | - Maria Bellumori
- Department of Neuroscience, Psychology, Drug and Child Health, Pharmaceutical and Nutraceutical Section, University of Florence, 50019 Florence, Italy
| | - Nadia Mulinacci
- Department of Neuroscience, Psychology, Drug and Child Health, Pharmaceutical and Nutraceutical Section, University of Florence, 50019 Florence, Italy
| | - Aldo Laganà
- Department of Chemistry, Sapienza University of Rome, Piazzale Aldo Moro 5, 00185 Rome, Italy
| | - Anna Arnoldi
- Department of Pharmaceutical Sciences, University of Milan, 20133 Milan, Italy
| | - Carmen Lammi
- Department of Pharmaceutical Sciences, University of Milan, 20133 Milan, Italy
- Correspondence: ; Tel.: +39-02-50319372
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83
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Jiang P, Liu N, Xiu Y, Wang W, Wang C, Zhang D, Li Z. Identification and analysis of antioxidant peptides from sorghum ( Sorghum bicolor L. Moench) on the basis of in vitro simulated gastrointestinal digestion. Food Funct 2022; 13:9635-9644. [PMID: 36017637 DOI: 10.1039/d2fo01399a] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Sorghum (Sorghum bicolor L. Moench) antioxidant peptides in vitro simulated through continuous gastrointestinal (GI) digestion in comparison with rice (Oryza sativa L.) were identified and functionally analysed. It was demonstrated that the protein digestibility of sorghum and rice increased by 11.27% and 14.10% after GI digestion, respectively. The concentrations of the rice peptides GG14, GG12, SF11, and LQ9 and the sorghum peptide KP9 in the gastrointestinal tract were 0.018, 0.712, 0.548, 0.188, and 0.265 μg mL-1, respectively. An assay of the scavenging ability showed that the sorghum peptide KP9 had the strongest ABTS-scavenging ability, with an IC50 value of 44.44 mg mL-1. The rice peptide LQ9 had the strongest DPPH and OH radical scavenging activity, with IC50 values of 10.41 and 25.78 mg mL-1, respectively. These five selectively synthesized peptides were predicted to be nontoxic and to have good ADMET absorption properties. The results indicated that the sorghum and rice peptides obtained by in vitro digestion were separated and purified with certain antioxidant activities and could be consumed as functional foods to modulate certain chronic diseases.
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Affiliation(s)
- Peng Jiang
- College of Food Science, Heilongjiang Bayi Agricultural University, Daqing 163319, Heilongjiang, China. .,Heilongjiang Engineering Research Center for Coarse Cereals Processing and Quality Safety, Daqing 163319, Heilongjiang, China
| | - Nian Liu
- College of Food Science, Heilongjiang Bayi Agricultural University, Daqing 163319, Heilongjiang, China.
| | - Yuyang Xiu
- College of Food Science, Heilongjiang Bayi Agricultural University, Daqing 163319, Heilongjiang, China.
| | - Wenhao Wang
- College of Food Science, Heilongjiang Bayi Agricultural University, Daqing 163319, Heilongjiang, China.
| | - Changyuan Wang
- College of Food Science, Heilongjiang Bayi Agricultural University, Daqing 163319, Heilongjiang, China. .,National Coarse Cereals Engineering Research Center, Daqing 163319, Heilongjiang, China
| | - Dongjie Zhang
- College of Food Science, Heilongjiang Bayi Agricultural University, Daqing 163319, Heilongjiang, China. .,Heilongjiang Engineering Research Center for Coarse Cereals Processing and Quality Safety, Daqing 163319, Heilongjiang, China.,National Coarse Cereals Engineering Research Center, Daqing 163319, Heilongjiang, China
| | - Zhijiang Li
- College of Food Science, Heilongjiang Bayi Agricultural University, Daqing 163319, Heilongjiang, China. .,Heilongjiang Engineering Research Center for Coarse Cereals Processing and Quality Safety, Daqing 163319, Heilongjiang, China.,National Coarse Cereals Engineering Research Center, Daqing 163319, Heilongjiang, China
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84
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Sbeghen AL, Lira AL, Fernandes IA, Steffens C, Brião VB, Zeni J, Steffens J. Use of ultrafiltration in the separation of hydrolysates from mechanically separated chicken meat and evaluation of antioxidant activity. J FOOD PROCESS ENG 2022. [DOI: 10.1111/jfpe.14151] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Alessandro Lima Sbeghen
- Department of Food Engineering Universidade Regional Integrada do Alto Uruguai e Missões Erechim Brazil
| | - Ana Luisa Lira
- Department of Food Engineering Universidade Regional Integrada do Alto Uruguai e Missões Erechim Brazil
| | | | - Clarice Steffens
- Department of Food Engineering Universidade Regional Integrada do Alto Uruguai e Missões Erechim Brazil
| | - Vandré Barbosa Brião
- Program in Environmental and Civil Engineering, Department of Food Engineering University of Passo Fundo (UPF) Passo Fundo Brazil
| | - Jamile Zeni
- Department of Food Engineering Universidade Regional Integrada do Alto Uruguai e Missões Erechim Brazil
| | - Juliana Steffens
- Department of Food Engineering Universidade Regional Integrada do Alto Uruguai e Missões Erechim Brazil
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85
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Sayed-Ahmed ETA, Salah KBH, El-Mekkawy RM, Rabie NA, Ashkan MF, Alamoudi SA, Alruhaili MH, Al Jaouni SK, Almuhayawi MS, Selim S, Saad AM, Namir M. The Preservative Action of Protein Hydrolysates from Legume Seed Waste on Fresh Meat Steak at 4 °C: Limiting Unwanted Microbial and Chemical Fluctuations. Polymers (Basel) 2022; 14:polym14153188. [PMID: 35956703 PMCID: PMC9371118 DOI: 10.3390/polym14153188] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2022] [Revised: 07/24/2022] [Accepted: 07/28/2022] [Indexed: 02/04/2023] Open
Abstract
Valorizing agricultural wastes to preserve food or to produce functional food is a general trend regarding the global food shortage. Therefore, natural preservatives were developed from the seed waste of the cluster bean and the common bean to extend the shelf life of fresh buffalo meat steak and boost its quality via immersion in high-solubility peptides, cluster bean protein hydrolysate (CBH), and kidney bean protein hydrolysate (RCH). The CBH and the RCH were successfully obtained after 60 min of pepsin hydrolysis with a hydrolysis degree of 27−30%. The SDS-PAGE electropherogram showed that at 60 min of pepsin hydrolysis, the CBH bands disappeared, and RCH (11−48 kD bands) nearly disappeared, assuring the high solubility of the obtained hydrolysates. The CBH and the RCH have considerable antioxidant activity compared to ascorbic acid, antimicrobial activity against tested microorganisms compared to antibiotics, and significant functional properties. The CBH and the RCH (500 µg/mL) successfully scavenged 93 or 89% of DPPH radicals. During the 30-day cold storage (4 °C), the quality of treated and untreated fresh meat steaks was monitored. Protein hydrolysates (500 g/g) inhibited lipid oxidation by 130−153% compared to the control and nisin and eliminated 31−55% of the bacterial load. The CBH and the RCH (500 µg/g) significantly enhanced meat redness (a* values). The protein maintained 80−90% of the steak’s flavor and color (p < 0.05). In addition, it increased the juiciness of the steak. CBH and RCH are ways to valorize wastes that can be safely incorporated into novel foods.
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Affiliation(s)
| | - Karima Bel Hadj Salah
- Biological Sciences Department, College of Science & Arts, King Abdulaziz University, Rabigh 21911, Saudi Arabia
- Laboratory of Transmissible Diseases and Biologically Active Substances, Faculty of Pharmacy, University of Monastir, Monastir 5089, Tunisia
| | - Rasha M. El-Mekkawy
- Department of Botany and Microbiology, Faculty of Science, Zagazig University, Zagazig 44511, Egypt
| | - Nourhan A. Rabie
- Department of Food Science, Faculty of Agriculture, Zagazig University, Zagazig 44511, Egypt
| | - Mada F. Ashkan
- Biological Sciences Department, College of Science & Arts, King Abdulaziz University, Rabigh 21911, Saudi Arabia
| | - Soha A. Alamoudi
- Biological Sciences Department, College of Science & Arts, King Abdulaziz University, Rabigh 21911, Saudi Arabia
| | - Mohammed H. Alruhaili
- Medical Microbiology and Parasitology Department, Faculty of Medicine, King AbdulAziz University, Jeddah 21589, Saudi Arabia
| | - Soad K. Al Jaouni
- Department of Hematology/Oncology, Yousef Abdulatif Jameel Scientific Chair of Prophetic Medicine Application, Faculty of Medicine, King Abdulaziz University, Jeddah 21589, Saudi Arabia
| | - Mohammed S. Almuhayawi
- Medical Microbiology and Parasitology Department, Faculty of Medicine, King AbdulAziz University, Jeddah 21589, Saudi Arabia
| | - Samy Selim
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, Jouf University, Sakaka 72388, Saudi Arabia
- Correspondence: (S.S.); (A.M.S.)
| | - Ahmed M. Saad
- Biochemistry Department, Faculty of Agriculture, Zagazig University, Zagazig 44511, Egypt
- Correspondence: (S.S.); (A.M.S.)
| | - Mohammad Namir
- Department of Food Science, Faculty of Agriculture, Zagazig University, Zagazig 44511, Egypt
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86
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Zhong J, Ren J. Structural characterization of functional peptides by extending the hybrid orbital theory. EFOOD 2022. [DOI: 10.1002/efd2.27] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022] Open
Affiliation(s)
- Jun Zhong
- School of Food Science and Technology South China University of Technology Guangzhou Guangdong China
| | - Jiaoyan Ren
- School of Food Science and Technology South China University of Technology Guangzhou Guangdong China
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87
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Antioxidant and Anticancer Effects of Epsilon-Poly-L-lysine Produced by Two Novel Strains of Paenibacillus polymyxa HS6 and Stenotrophomonas maltophilia YS8. BIOTECHNOL BIOPROC E 2022. [DOI: 10.1007/s12257-022-0065-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022]
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88
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Subchronic Toxicity Study of Alternanthera philoxeroides in Swiss Albino Mice Having Antioxidant and Anticoagulant Activities. J Toxicol 2022; 2022:8152820. [PMID: 35875616 PMCID: PMC9300360 DOI: 10.1155/2022/8152820] [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: 12/25/2021] [Revised: 05/12/2022] [Accepted: 06/25/2022] [Indexed: 11/20/2022] Open
Abstract
Alternanthera philoxeroides, a tropical herb and edible vegetable, has been popular as a medicinal plant. Applying in vitro approach, we initially attempted to assess the phytochemicals, bioactive chemicals, as well as antioxidant and anticoagulant activities of this plant. Following that, the in vivo toxicological effects of methanolic extracts of A. philoxeroides using different doses on the kidney, heart, lung, liver, stomach, brain, and blood of female Swiss Albino mice were investigated. We estimated phytochemicals content as well as antioxidant activity through DPPH, NO, CUPRAC, and reducing power assays, followed by the anticoagulant activities of PT and aPTT and bioactive compounds using HPLC. To confirm the biocompatibility of A. philoxeroides extracts, histopathological and hematological parameters were examined in a mice model. Total phenol, flavonoid, and tannin content in A. philoxeroides was 181.75 ± 2.47 mg/g, 101.5 ± 3 .53 mg/g, and 68.58 ± 0.80 mg/g, respectively. Furthermore, the HPLC study confirmed the presence of four phenolic compounds: catechin, tannic acid, gallic acid, and vanillic acid. The methanolic extract of A. philoxeroides showed considerable antioxidant activity in all four antioxidant assay methods when compared to the standard. In comparison to ascorbic acid, A. philoxeroides also demonstrated a minor concentration-dependent ferric and cupric reduction activity. In vivo evaluation indicated that A. philoxeroides extracts (doses: 250, 500, and 1000 mg/kg) had no negative effects on the relative organ or body weight, or hematological indicators. Our study concluded that A. philoxeroides had significant antioxidant and anticoagulant activities and demonstrated no negative effects on the body or relative organ weight, histopathological, and hematological indices in the mouse model.
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89
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Tang Y, Yang S, Lin L, Zheng Z, Sun S, Zhou C, Hong P, Qian ZJ. Pentapeptide AYP from Isochrysis Zhanjiangensis Exhibits Antiangiogenic Activity in HT1080 Cells and HUVECs by Suppressing Migration and Invasion In Vitro. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2022; 70:8481-8491. [PMID: 35770804 DOI: 10.1021/acs.jafc.2c02813] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Microalgae are important biological sources of marine active peptides and renewable biological resources. Isochrysis zhanjiangensis has been widely used in biological ultrafiltration membranes and aquaculture. However, there are relatively few studies on its component structure and diverse activities. In this study, the mechanism of action of previously isolated pentapeptides (AYP, Ala-Tyr-Ala-Pro-Glu) on inflammation and tumor angiogenesis was evaluated. The results showed that AYP could effectively inhibit the invasion and migration of human umbilical vein endothelial cells (HUVECs) and HT1080 cells by downregulating the expression of MMP-2/-9, independent of cytotoxicity. Especially after 100 μM AYP treatment, the ability to inhibit migration was about 67.7% ± 1.9 for HT1080 cells and 63.6% ± 1.3 for HUVECs, respectively. In addition, the activity of iNOS and COX-2 was decreased by inhibiting the oversecretion of VEGF in HT1080 cells induced by CoCl2 and the activation of VEGFR-2 in HUVECs and by regulating PI3K/AKT and Ras/MAPK signaling pathways. It can prevent inflammation and block tumor angiogenesis. Therefore, AYP is expected to become a drug or functional food to prevent and treat tumor angiogenesis.
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Affiliation(s)
- Yanfei Tang
- School of Chemistry and Environment, College of Food Science and Technology, Shenzhen Institute of Guangdong Ocean University, Guangdong Ocean University, Zhanjiang 524088, China
| | - Shengtao Yang
- School of Chemistry and Environment, College of Food Science and Technology, Shenzhen Institute of Guangdong Ocean University, Guangdong Ocean University, Zhanjiang 524088, China
- Southern Marine Science and Engineering Guangdong Laboratory, Zhanjiang 524025, China
- Key Laboratory of Tropical Crop Products Processing of Ministry of Agriculture and Rural Affairs, Agricultural Products Processing Research Institute, Chinese Academy of Tropical Agricultural Sciences, Zhanjiang, Guangdong 524001, China
| | - Liyuan Lin
- School of Chemistry and Environment, College of Food Science and Technology, Shenzhen Institute of Guangdong Ocean University, Guangdong Ocean University, Zhanjiang 524088, China
| | - Zhaowan Zheng
- School of Chemistry and Environment, College of Food Science and Technology, Shenzhen Institute of Guangdong Ocean University, Guangdong Ocean University, Zhanjiang 524088, China
| | - Shengli Sun
- School of Chemistry and Environment, College of Food Science and Technology, Shenzhen Institute of Guangdong Ocean University, Guangdong Ocean University, Zhanjiang 524088, China
| | - Chunxia Zhou
- School of Chemistry and Environment, College of Food Science and Technology, Shenzhen Institute of Guangdong Ocean University, Guangdong Ocean University, Zhanjiang 524088, China
- Southern Marine Science and Engineering Guangdong Laboratory, Zhanjiang 524025, China
| | - Pengzhi Hong
- School of Chemistry and Environment, College of Food Science and Technology, Shenzhen Institute of Guangdong Ocean University, Guangdong Ocean University, Zhanjiang 524088, China
- Southern Marine Science and Engineering Guangdong Laboratory, Zhanjiang 524025, China
| | - Zhong-Ji Qian
- School of Chemistry and Environment, College of Food Science and Technology, Shenzhen Institute of Guangdong Ocean University, Guangdong Ocean University, Zhanjiang 524088, China
- Southern Marine Science and Engineering Guangdong Laboratory, Zhanjiang 524025, China
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90
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Bopitiya D, Hearn MTW, Zhang J, Bennett LE. Demonstration of anti-oxidant properties of mustard seed (Brassica juncea) protein isolate in orange juice. Food Chem 2022; 396:133648. [PMID: 35843007 DOI: 10.1016/j.foodchem.2022.133648] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2021] [Revised: 06/15/2022] [Accepted: 07/05/2022] [Indexed: 11/04/2022]
Abstract
Previous research has shown that formulated and natural beverages containing mixtures of anti-oxidants can produce stable levels of hydrogen peroxide (H2O2). The aim of this study was to demonstrate the ultimate anti-oxidant effects of proteins for suppressing H2O2, using a protein extract from mustard seed (Brassica juncea). The mustard seed protein isolate (MPI) contained ∼51% protein, and 6.4 mg GAe/g TS of total reducible substances, presumably representing secondary metabolites, including polyphenolics. Dose-dependent suppression of H2O2 (present at 110 µM and 550 µM), in fresh and thermally-processed orange juice was complete in the presence of 0.1 mg/mL MPI after 24 hr, with slightly higher anti-oxidant efficacy than the fruit juice-derived reference protein, thaumatin. The combination of thiol-rich amino acid (methionine and cysteine)-containing proteins and other anti-oxidant species in the MPI were highly effective for inhibiting autoxidation-mediated production of H2O2 in orange juice, and may be useful for other manufactured beverages.
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Affiliation(s)
- Dilini Bopitiya
- School of Chemistry, Monash University, Clayton, Victoria 3800, Australia
| | - Milton T W Hearn
- School of Chemistry, Monash University, Clayton, Victoria 3800, Australia
| | - Jie Zhang
- School of Chemistry, Monash University, Clayton, Victoria 3800, Australia
| | - Louise E Bennett
- School of Chemistry, Monash University, Clayton, Victoria 3800, Australia.
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91
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A Method for Detecting Antioxidant Activity of Antioxidants by Utilizing Oxidative Damage of Pigment Protein. Appl Biochem Biotechnol 2022; 194:5522-5536. [DOI: 10.1007/s12010-022-04058-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/24/2022] [Indexed: 01/20/2023]
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92
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Modification of β-lactoglobulin by phenolic conjugations: Protein structural changes and physicochemical stabilities of stripped hemp oil-in-water emulsions stabilized by the conjugates. Food Hydrocoll 2022. [DOI: 10.1016/j.foodhyd.2022.107578] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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93
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Mansinhbhai CH, Sakure A, Maurya R, Bishnoi M, Kondepudi KK, Das S, Hati S. Significance of whey protein hydrolysate on anti-oxidative, ACE-inhibitory and anti-inflammatory activities and release of peptides with biofunctionality: an in vitro and in silico approach. JOURNAL OF FOOD SCIENCE AND TECHNOLOGY 2022; 59:2629-2642. [PMID: 35734133 PMCID: PMC9207014 DOI: 10.1007/s13197-021-05282-3] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Revised: 09/13/2021] [Accepted: 09/20/2021] [Indexed: 06/01/2023]
Abstract
UNLABELLED The study aimed to investigate potent antioxidant activities (ABTS assay, Hydroxyl free radical scavenging assay, and Superoxide free radical assay), ACE inhibitory activity, and anti-inflammatory activity in the WPC (whey protein concentrate) hydrolysate using Alcalase. The hydrolysis conditions (addition rate and incubation times) for peptide synthesis were also optimized using proteolytic activity. The generation of proinflammatory cytokines by lipopolysaccharide-treated murine macrophages was reduced when the protein hydrolysate concentration was low. In comparison to unhydrolyzed WPC, SDS-PAGE examination revealed no protein bands in WPC hydrolysates. Two-Dimensional (2D) gel electrophoresis did not show any protein spots. Using the 'In-solution trypsin digestion' approach, the trypsin digested protein samples were put into RPLC/MS for amino acid sequencing. Peptides were also identified using RPLC/MS on fractions of 3 and 10 kDa permeates and retentates. The MASCOT database was used to look up the raw masses of LC/MS. By comparing hydrolyzed whey protein to the BLASTp (NCBI), PIR, BIOPEP, and AHTPDB databases, novel antioxidative and ACE inhibitory peptides were reported. SUPPLEMENTARY INFORMATION The online version contains supplementary material available at 10.1007/s13197-021-05282-3.
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Affiliation(s)
| | - Amar Sakure
- Department of Agriculture Biotechnology, Anand Agricultural University, Anand, Gujarat 388110 India
| | - Ruchika Maurya
- Healthy Gut Research Group, Food & Nutritional Biotechnology Division, National Agri-Food Biotechnology Institute (NABI), Knowledge City, Sector 81, SAS Nagar, Mohali, Punjab 140306 India
- Regional Center for Biotechnology, Faridabad, Haryana 121001 India
| | - Mahendra Bishnoi
- Healthy Gut Research Group, Food & Nutritional Biotechnology Division, National Agri-Food Biotechnology Institute (NABI), Knowledge City, Sector 81, SAS Nagar, Mohali, Punjab 140306 India
| | - Kanthi Kiran Kondepudi
- Healthy Gut Research Group, Food & Nutritional Biotechnology Division, National Agri-Food Biotechnology Institute (NABI), Knowledge City, Sector 81, SAS Nagar, Mohali, Punjab 140306 India
| | - Sujit Das
- Department of Rural Development and Agricultural Production, North-Eastern Hill University, Tura campus, Tura, Meghalaya 794001 India
| | - Subrota Hati
- Department of Dairy Microbiology, Anand Agricultural University, Anand, Gujarat 388110 India
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94
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Hempseed (Cannabis sativa) protein hydrolysates: A valuable source of bioactive peptides with pleiotropic health-promoting effects. Trends Food Sci Technol 2022. [DOI: 10.1016/j.tifs.2022.06.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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95
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Zhi T, Li X, Sadiq FA, Mao K, Gao J, Mi S, Liu X, Deng W, Chitrakar B, Sang Y. Novel antioxidant peptides from protein hydrolysates of scallop (Argopecten irradians) mantle using enzymatic and microbial methods: Preparation, purification, identification and characterization. Lebensm Wiss Technol 2022. [DOI: 10.1016/j.lwt.2022.113636] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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96
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Techno-functional, biological and structural properties of Spirulina platensis peptides from different proteases. ALGAL RES 2022. [DOI: 10.1016/j.algal.2022.102755] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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97
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León Madrazo A, Segura Campos MR. In silico prediction of peptide variants from chia (S. hispanica L.) with antimicrobial, antibiofilm, and antioxidant potential. Comput Biol Chem 2022; 98:107695. [DOI: 10.1016/j.compbiolchem.2022.107695] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2022] [Revised: 05/03/2022] [Accepted: 05/11/2022] [Indexed: 11/03/2022]
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98
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Evaluation of TILI-2 as an Anti-Tyrosinase, Anti-Oxidative Agent and Its Role in Preventing Melanogenesis Using a Proteomics Approach. MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27103228. [PMID: 35630706 PMCID: PMC9147390 DOI: 10.3390/molecules27103228] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/16/2022] [Revised: 05/12/2022] [Accepted: 05/16/2022] [Indexed: 11/17/2022]
Abstract
There is a desire to develop new molecules that can combat hyperpigmentation. To this end, the N-terminal cysteine-containing heptapeptide TILI-2 has shown promising preliminary results. In this work, the mechanism by which it works was evaluated using a series of biochemical assays focusing on known biochemical pathways, followed by LC-MS/MS proteomics to discover pathways that have not been considered before. We demonstrate that TILI-2 is a competitive inhibitor of tyrosinase’s monophenolase activity and it could potentially scavenge ABTS and DPPH radicals. It has a very low cytotoxicity up to 1400 µM against human fibroblast NFDH cells and macrophage-like RAW 264.7 cells. Our proteomics study revealed that another putative mechanism by which TILI-2 may reduce melanin production involves the disruption of the TGF-β signaling pathway in mouse B16F1 cells. This result suggests that TILI-2 has potential scope to be used as a depigmenting agent.
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Lu H, Fang L, Wang X, Wu D, Liu C, Liu X, Wang J, Gao Y, Min W. Structure-Activity Relationship of Pine Nut-Derived Peptides and Their Protective Effect on Nerve-Cell Mitochondria. Foods 2022; 11:foods11101428. [PMID: 35626998 PMCID: PMC9140850 DOI: 10.3390/foods11101428] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2022] [Revised: 05/14/2022] [Accepted: 05/14/2022] [Indexed: 12/02/2022] Open
Abstract
This study aimed to investigate the structure-activity relationship of the pine nut antioxidant peptide WYPGK and its derivative peptides, and to evaluate the protective effect of the latter on oxidative damage to mitochondrial structure and function in PC12 cells. Molecular docking revealed the derivative peptides WYFGK and WYSGK to have higher affinity to the active region of sirtuin 3 (SIRT3) (−6.08 kcal/mol and −5.87 kcal/mol, respectively), hence indicating that they are promising SIRT3 inducers and antioxidant factors. The derivative peptide WYSGK presented the highest ORAC value (5457.70 µmol TE/g), ABTS scavenging activity (70.05%), and Fe2+-chelating activity (81.70%), followed by WYPGK and WYFGK. Circular dichroism and nuclear magnetic resonance data suggested that the presence of 3-Ser in WYSGK increased its β-sheet content, and that the active hydrogen atoms produced chemical shifts. In H2O2-induced PC12 cells, WYSGK substantially reduced ROS and MDA levels, and increased ATP levels. Transmission electron microscopy and Seahorse Analyze assay proved the peptide WYSGK to significantly alleviate mitochondrial damage and respiratory dysfunction (p < 0.05), thereby implying that a study of structure-activity relationships of the peptides can possibly be an effective approach for the development of functional factors.
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Affiliation(s)
- Hongyan Lu
- College of Food Science and Engineering, Jilin Agricultural University, Changchun 130118, China; (H.L.); (L.F.); (X.W.); (D.W.); (C.L.); (X.L.); (J.W.); (Y.G.)
- National Engineering Laboratory of Wheat and Corn Deep Processing, Changchun 130118, China
| | - Li Fang
- College of Food Science and Engineering, Jilin Agricultural University, Changchun 130118, China; (H.L.); (L.F.); (X.W.); (D.W.); (C.L.); (X.L.); (J.W.); (Y.G.)
- National Engineering Laboratory of Wheat and Corn Deep Processing, Changchun 130118, China
| | - Xiyan Wang
- College of Food Science and Engineering, Jilin Agricultural University, Changchun 130118, China; (H.L.); (L.F.); (X.W.); (D.W.); (C.L.); (X.L.); (J.W.); (Y.G.)
- National Engineering Laboratory of Wheat and Corn Deep Processing, Changchun 130118, China
| | - Dan Wu
- College of Food Science and Engineering, Jilin Agricultural University, Changchun 130118, China; (H.L.); (L.F.); (X.W.); (D.W.); (C.L.); (X.L.); (J.W.); (Y.G.)
- National Engineering Laboratory of Wheat and Corn Deep Processing, Changchun 130118, China
| | - Chunlei Liu
- College of Food Science and Engineering, Jilin Agricultural University, Changchun 130118, China; (H.L.); (L.F.); (X.W.); (D.W.); (C.L.); (X.L.); (J.W.); (Y.G.)
- National Engineering Laboratory of Wheat and Corn Deep Processing, Changchun 130118, China
| | - Xiaoting Liu
- College of Food Science and Engineering, Jilin Agricultural University, Changchun 130118, China; (H.L.); (L.F.); (X.W.); (D.W.); (C.L.); (X.L.); (J.W.); (Y.G.)
- National Engineering Laboratory of Wheat and Corn Deep Processing, Changchun 130118, China
| | - Ji Wang
- College of Food Science and Engineering, Jilin Agricultural University, Changchun 130118, China; (H.L.); (L.F.); (X.W.); (D.W.); (C.L.); (X.L.); (J.W.); (Y.G.)
- National Engineering Laboratory of Wheat and Corn Deep Processing, Changchun 130118, China
| | - Yawen Gao
- College of Food Science and Engineering, Jilin Agricultural University, Changchun 130118, China; (H.L.); (L.F.); (X.W.); (D.W.); (C.L.); (X.L.); (J.W.); (Y.G.)
- National Engineering Laboratory of Wheat and Corn Deep Processing, Changchun 130118, China
| | - Weihong Min
- College of Food Science and Engineering, Jilin Agricultural University, Changchun 130118, China; (H.L.); (L.F.); (X.W.); (D.W.); (C.L.); (X.L.); (J.W.); (Y.G.)
- National Engineering Laboratory of Wheat and Corn Deep Processing, Changchun 130118, China
- Correspondence: ; Tel.: +86-139-4491-9697; Fax: +86-431-8451-7235
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100
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Purification and Identification of Novel Myeloperoxidase Inhibitory Antioxidant Peptides from Tuna ( Thunnas albacares) Protein Hydrolysates. MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27092681. [PMID: 35566036 PMCID: PMC9104108 DOI: 10.3390/molecules27092681] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/31/2022] [Revised: 04/19/2022] [Accepted: 04/20/2022] [Indexed: 11/23/2022]
Abstract
Antioxidative peptides that inhibit myeloperoxidase (MPO) enzyme activity can effectively defend against oxidative stress damage. The antioxidant peptides from tuna protein were produced using alcalase hydrolysis and purified by ultrafiltration and Sephadex G-15, and the fractions with the highest free radicals scavenging ability and oxygen radical absorbance capacity (ORAC) values were sequenced using HPLC–MS/MS. Fifty-five peptide sequences were identified, 53 of which were successfully docked into MPO. The representative peptide ACGSDGK had better antioxidant activity and inhibition of MPO chlorination and peroxidation than the reference peptide hLF1-11. The docking model further showed intense molecular interactions between ACGSDGK and MPO, including hydrogen bonds, charge, and salt bridge interactions, which occluded the active site and blocked the catalytic activity of MPO. These results suggested that the antioxidant peptide ACGSDGK has the potential to inhibit oxidative stress and alleviate inflammation in vivo because of its inhibitory effect on the MPO enzyme.
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