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Lin H, Zhao J, Xie Y, Tang J, Wang Q, Zhao J, Xu M, Liu P. Identification and molecular mechanisms of novel antioxidant peptides from fermented broad bean paste: A combined in silico and in vitro study. Food Chem 2024; 450:139297. [PMID: 38631199 DOI: 10.1016/j.foodchem.2024.139297] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2023] [Revised: 02/07/2024] [Accepted: 04/07/2024] [Indexed: 04/19/2024]
Abstract
This study aimed to investigate the antioxidative and cytoprotective activity of antioxidant peptides from fermented broad bean paste (FBBP) and explore their potential molecular mechanisms using a combined in silico and in vitro approach. Seven novel antioxidant peptides (VSRRFIYYL, SPAIPLP, PVPPPGG, KKDGYWWAKFK, LAWY, LGFMQF, and LPGCP) identified by integrated approaches of peptidomics and in silico bioinformatic analysis were synthesized, exhibiting strong antioxidant potential against in vitro radicals. Molecular docking results suggested that these peptides could form stable hydrogen bonds and solvent-accessible surface with key amino acid residues of Keap1, thus potentially regulating the Keap1-Nrf2 pathway by occupying the Nrf2-binding site on Keap1. Additionally, they exhibited strong cellular antioxidant activity and could protect HepG2 cells from AAPH-induced oxidative injury by reducing reactive oxygen species and MDA accumulation. This study firstly unraveled the molecular mechanisms of antioxidant peptides from FBBP, and provided a new theoretical basis for the high-value utilization of FBBP.
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Affiliation(s)
- Hongbin Lin
- School of Food and Bio-engineering, Xihua University, Chengdu 610039, China; Chongqing Key Laboratory of Specialty Food Co-Built by Sichuan and Chongqing, Chengdu 610039, China.
| | - Jianhua Zhao
- School of Food and Bio-engineering, Xihua University, Chengdu 610039, China
| | - Yuqing Xie
- School of Food and Bio-engineering, Xihua University, Chengdu 610039, China
| | - Jie Tang
- School of Food and Bio-engineering, Xihua University, Chengdu 610039, China; Food Microbiology Key Laboratory of Sichuan Province, Chengdu 610039, China
| | - Qin Wang
- Department of Nutrition and Food Science, University of Maryland, College Park, MD 20742, USA
| | - Jie Zhao
- School of Food and Bio-engineering, Xihua University, Chengdu 610039, China; Chongqing Key Laboratory of Specialty Food Co-Built by Sichuan and Chongqing, Chengdu 610039, China
| | - Min Xu
- School of Food and Bio-engineering, Xihua University, Chengdu 610039, China; Chongqing Key Laboratory of Specialty Food Co-Built by Sichuan and Chongqing, Chengdu 610039, China
| | - Ping Liu
- School of Food and Bio-engineering, Xihua University, Chengdu 610039, China; Chongqing Key Laboratory of Specialty Food Co-Built by Sichuan and Chongqing, Chengdu 610039, China
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Tian W, Zhang C, Zheng Q, Hu S, Yan W, Yue L, Chen Z, Zhang C, Kong Q, Sun L. In Silico Screening of Bioactive Peptides in Stout Beer and Analysis of ACE Inhibitory Activity. Foods 2024; 13:1973. [PMID: 38998479 PMCID: PMC11241375 DOI: 10.3390/foods13131973] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2024] [Revised: 06/17/2024] [Accepted: 06/19/2024] [Indexed: 07/14/2024] Open
Abstract
Stout beer was selected as the research object to screen angiotensin-converting enzyme (ACE) inhibitory peptides. The peptide sequences of stout beer were identified using ultra-performance liquid chromatography-quadrupole-Orbitrap mass spectrometry with de novo, and 41 peptides were identified with high confidence. Peptide Ranker was used to score the biological activity and six peptides with a score ≥ 0.5 were screened to predict their potential ACE inhibitory (ACEI) activity. The toxicity, hydrophilicity, absorption, and excretion of these peptides were predicted. In addition, molecular docking between the peptides and ACE revealed a significant property of the peptide DLGGFFGFQR. Furthermore, molecular docking conformation and molecular dynamics simulation revealed that DLGGFFGFQR could be tightly bound to ACE through hydrogen bonding and hydrophobic interaction. Lastly, the ACEI activity of DLGGFFGFQR was confirmed using in vitro evaluation and the IC50 value was determined to be 24.45 μM.
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Affiliation(s)
- Wenhui Tian
- Crop Breeding and Cultivation Research Institute, Shanghai Academy of Agricultural Sciences, Shanghai 201403, China; (W.T.); (Q.Z.); (W.Y.); (L.Y.); (C.Z.)
| | - Cui Zhang
- State Key Laboratory of Biological Fermentation Engineering of Beer, Qingdao 266021, China; (C.Z.); (S.H.)
| | - Qi Zheng
- Crop Breeding and Cultivation Research Institute, Shanghai Academy of Agricultural Sciences, Shanghai 201403, China; (W.T.); (Q.Z.); (W.Y.); (L.Y.); (C.Z.)
| | - Shumin Hu
- State Key Laboratory of Biological Fermentation Engineering of Beer, Qingdao 266021, China; (C.Z.); (S.H.)
| | - Weiqiang Yan
- Crop Breeding and Cultivation Research Institute, Shanghai Academy of Agricultural Sciences, Shanghai 201403, China; (W.T.); (Q.Z.); (W.Y.); (L.Y.); (C.Z.)
| | - Ling Yue
- Crop Breeding and Cultivation Research Institute, Shanghai Academy of Agricultural Sciences, Shanghai 201403, China; (W.T.); (Q.Z.); (W.Y.); (L.Y.); (C.Z.)
| | - Zhijun Chen
- Shanghai Shuneng Irradiation Technology Co., Ltd., Shanghai Academy of Agricultural Sciences, Shanghai 201403, China;
| | - Ci Zhang
- Crop Breeding and Cultivation Research Institute, Shanghai Academy of Agricultural Sciences, Shanghai 201403, China; (W.T.); (Q.Z.); (W.Y.); (L.Y.); (C.Z.)
| | - Qiulian Kong
- Crop Breeding and Cultivation Research Institute, Shanghai Academy of Agricultural Sciences, Shanghai 201403, China; (W.T.); (Q.Z.); (W.Y.); (L.Y.); (C.Z.)
| | - Liping Sun
- Faculty of Food Science and Engineering, Kunming University of Science and Technology, Kunming 650500, China
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Jingyun W, Zehao M, Hongyan Y, Xingyu L, Doudou C, Shiling L. Novel antioxidant peptides from sheep plasma protein hydrolysates: Purification, identification and cytoprotective effects against H 2O 2-induced oxidative stress. J Food Sci 2024; 89:1944-1959. [PMID: 38411027 DOI: 10.1111/1750-3841.16953] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2023] [Revised: 12/30/2023] [Accepted: 01/08/2024] [Indexed: 02/28/2024]
Abstract
This study sought to purify and identify antioxidant peptides from sheep (Ovis aries) plasma protein hydrolysates and assess their protective impacts on H2O2-induced Caco-2 cells. The purification process involved reversed high-performance liquid chromatography, anion-exchange chromatography, and Sephadex G-25. Three peptides, namely Trp-Glu-Glu-Pro-Ala-Met (WEEPAM), Ser-Leu-His-Phe-Met-Glu (SLHFME), and His-Cys-Thr-Thr-Phe-Met-Ile, with molecular weights of 761.84, 762.87, and 852.03 Da, respectively, were identified by liquid chromatography with tandem mass spectrometry. Among the three antioxidant peptides, superoxide radical (O2 -) radical scavenging capacity of WEEPAM and SLHFME was not significantly different from glutathione (GSH) (p > 0.05), while their 1,1-diphenyl-2-picrylhydrazyl radical scavenging capacity was greater than GSH (p < 0.05). WEEPAM revealed increased antioxidant activity after pepsin and trypsin hydrolysis under an in vitro digestion model. In addition, WEEPAM inhibited oxidative damage in Caco-2 cells by significantly reducing reactive oxygen species accumulation, early apoptosis, malondialdehyde formation, and increasing intracellular superoxide dismutase, glutathione peroxidase, and catalase activities.
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Affiliation(s)
- Wang Jingyun
- School of Food Science and Technology, Shihezi University, Xinjiang Autonomous Region, Shihezi, China
- Xinjiang Cerim Modern Agriculture Co., Xinjiang Autonomous Region, Shuanghe, China
| | - Ma Zehao
- School of Food Science and Technology, Shihezi University, Xinjiang Autonomous Region, Shihezi, China
| | - Yu Hongyan
- School of Food Science and Technology, Shihezi University, Xinjiang Autonomous Region, Shihezi, China
| | - Liu Xingyu
- School of Food Science and Technology, Shihezi University, Xinjiang Autonomous Region, Shihezi, China
| | - Cao Doudou
- School of Food Science and Technology, Shihezi University, Xinjiang Autonomous Region, Shihezi, China
| | - Lu Shiling
- School of Food Science and Technology, Shihezi University, Xinjiang Autonomous Region, Shihezi, China
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Teng L, Wang X, Yu H, Li R, Geng H, Xing R, Liu S, Li P. Jellyfish Peptide as an Alternative Source of Antioxidant. Antioxidants (Basel) 2023; 12:antiox12030742. [PMID: 36978990 PMCID: PMC10044913 DOI: 10.3390/antiox12030742] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2023] [Revised: 03/10/2023] [Accepted: 03/14/2023] [Indexed: 03/30/2023] Open
Abstract
Jellyfish is a valuable biological resource in marine ecosystems, and blooms been observed in numerous coastal regions. However, their utility is limited by their high water content. Recent research has focused on extracting antioxidants from marine sources. In this study, we obtained jellyfish peptides (JPHT-2) through enzymatic hydrolysis of lyophilized jellyfish powder under optimal conditions and measured their antioxidant activity. Our findings indicate that JPHT-2 possesses significant radical-scavenging activity and reducing power. At a concentration of 0.74 mg/mL, JPHT-2 exhibited a remarkable ability to scavenge hydroxyl radicals, with a rate of up to 50%. The EC50 values for scavenging superoxide anion and DPPH radical were 1.55 mg/mL and 1.99 mg/mL, respectively. At the cellular level, JPHT-2 was able to protect HaCaT cells from H2O2-induced oxidative damage by increasing the level of superoxide dismutase (SOD) in cells. In conclusion, jellyfish peptides with low molecular weight can be easily obtained through hydrolysis with three enzymes and exhibit excellent antioxidant activity and safety. Jellyfish can serve as a promising source of antioxidants.
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Affiliation(s)
- Lichao Teng
- CAS and Shandong Province Key Laboratory of Experimental Marine Biology, Center for Ocean Mega-Science, Institute of Oceanology, Chinese Academy of Sciences, No. 7 Nanhai Road, Qingdao 266071, China
- Laboratory for Marine Drugs and Bioproducts, Pilot National Laboratory for Marine Science and Technology (Qingdao), No. 1 Wenhai Road, Qingdao 266237, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Xueqin Wang
- CAS and Shandong Province Key Laboratory of Experimental Marine Biology, Center for Ocean Mega-Science, Institute of Oceanology, Chinese Academy of Sciences, No. 7 Nanhai Road, Qingdao 266071, China
- Laboratory for Marine Drugs and Bioproducts, Pilot National Laboratory for Marine Science and Technology (Qingdao), No. 1 Wenhai Road, Qingdao 266237, China
| | - Huahua Yu
- CAS and Shandong Province Key Laboratory of Experimental Marine Biology, Center for Ocean Mega-Science, Institute of Oceanology, Chinese Academy of Sciences, No. 7 Nanhai Road, Qingdao 266071, China
- Laboratory for Marine Drugs and Bioproducts, Pilot National Laboratory for Marine Science and Technology (Qingdao), No. 1 Wenhai Road, Qingdao 266237, China
| | - Rongfeng Li
- CAS and Shandong Province Key Laboratory of Experimental Marine Biology, Center for Ocean Mega-Science, Institute of Oceanology, Chinese Academy of Sciences, No. 7 Nanhai Road, Qingdao 266071, China
- Laboratory for Marine Drugs and Bioproducts, Pilot National Laboratory for Marine Science and Technology (Qingdao), No. 1 Wenhai Road, Qingdao 266237, China
| | - Hao Geng
- CAS and Shandong Province Key Laboratory of Experimental Marine Biology, Center for Ocean Mega-Science, Institute of Oceanology, Chinese Academy of Sciences, No. 7 Nanhai Road, Qingdao 266071, China
- Laboratory for Marine Drugs and Bioproducts, Pilot National Laboratory for Marine Science and Technology (Qingdao), No. 1 Wenhai Road, Qingdao 266237, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Ronge Xing
- CAS and Shandong Province Key Laboratory of Experimental Marine Biology, Center for Ocean Mega-Science, Institute of Oceanology, Chinese Academy of Sciences, No. 7 Nanhai Road, Qingdao 266071, China
- Laboratory for Marine Drugs and Bioproducts, Pilot National Laboratory for Marine Science and Technology (Qingdao), No. 1 Wenhai Road, Qingdao 266237, China
| | - Song Liu
- CAS and Shandong Province Key Laboratory of Experimental Marine Biology, Center for Ocean Mega-Science, Institute of Oceanology, Chinese Academy of Sciences, No. 7 Nanhai Road, Qingdao 266071, China
- Laboratory for Marine Drugs and Bioproducts, Pilot National Laboratory for Marine Science and Technology (Qingdao), No. 1 Wenhai Road, Qingdao 266237, China
| | - Pengcheng Li
- CAS and Shandong Province Key Laboratory of Experimental Marine Biology, Center for Ocean Mega-Science, Institute of Oceanology, Chinese Academy of Sciences, No. 7 Nanhai Road, Qingdao 266071, China
- Laboratory for Marine Drugs and Bioproducts, Pilot National Laboratory for Marine Science and Technology (Qingdao), No. 1 Wenhai Road, Qingdao 266237, China
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Antioxidant peptides from edible aquatic animals: Preparation method, mechanism of action, and structure-activity relationships. Food Chem 2023; 404:134701. [DOI: 10.1016/j.foodchem.2022.134701] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2022] [Revised: 09/10/2022] [Accepted: 10/18/2022] [Indexed: 11/06/2022]
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Encapsulation of Salmon Peptides in Marine Liposomes: Physico-Chemical Properties, Antiradical Activities and Biocompatibility Assays. Mar Drugs 2022; 20:md20040249. [PMID: 35447922 PMCID: PMC9029219 DOI: 10.3390/md20040249] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2022] [Revised: 03/28/2022] [Accepted: 03/29/2022] [Indexed: 02/04/2023] Open
Abstract
Salmon byproducts (Salmo salar) generated by the food chain represent a source of long-chain polyunsaturated fatty acids (eicosapentaenoic acid (EPA): 20:5n-3; docosahexaenoic acid (DHA): 22:6n-3) and peptides that can be used as supplements in food for nutraceutical or health applications, such as in the prevention of certain pathologies (e.g., Alzheimer’s and cardiovascular diseases). The extraction of polar lipids naturally rich in PUFAs by enzymatic processes without organic solvent (controlled by pH-Stat method), coupled with the production of 1 kDa salmon peptides by membrane filtration, allowed the formulation of nanocarriers. The physicochemical properties of the nanoliposomes (size ranging from 120 to 140 nm, PDI of 0.27, zeta potential between −32 and −46 mV and encapsulation efficiency) were measured, and the bioactivity of salmon hydrolysate peptides was assessed (antioxidant and antiradical activity: ABTS, ORAC, DPPH; iron metal chelation). Salmon peptides exhibited good angiotensin-conversion-enzyme (ACE) inhibition activity, with an IC50 value of 413.43 ± 13.12 µg/mL. Cytotoxicity, metabolic activity and proliferation experiments demonstrated the harmlessness of the nanostructures in these experimental conditions.
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Recent progress in preventive effect of collagen peptides on photoaging skin and action mechanism. FOOD SCIENCE AND HUMAN WELLNESS 2022. [DOI: 10.1016/j.fshw.2021.11.003] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
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Larder CE, Iskandar MM, Sabally K, Kubow S. Complementary and efficient methods for di- and tri-peptide analysis and amino acid quantification from simulated gastrointestinal digestion of collagen hydrolysate. Lebensm Wiss Technol 2022. [DOI: 10.1016/j.lwt.2021.112880] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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Devita L, Lioe HN, Nurilmala M, Suhartono MT. The Bioactivity Prediction of Peptides from Tuna Skin Collagen Using Integrated Method Combining In Vitro and In Silico. Foods 2021; 10:2739. [PMID: 34829019 PMCID: PMC8625179 DOI: 10.3390/foods10112739] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2021] [Revised: 10/23/2021] [Accepted: 11/05/2021] [Indexed: 12/25/2022] Open
Abstract
The hydrolysates and peptide fractions of bigeye tuna (Thunnus obesus) skin collagen have been successfully studied. The hydrolysates (HPA, HPN, HPS, HBA, HBN, HBS) were the result of the hydrolysis of collagen using alcalase, neutrase, and savinase. The peptide fractions (PPA, PPN, PPS, PBA, PBN, PBS) were the fractions obtained following ultrafiltration of the hydrolysates. The antioxidant activities of the hydrolysates and peptide fractions were studied using the DPPH method. The effects of collagen types, enzymes, and molecular sizes on the antioxidant activities were analyzed using profile plots analysis. The amino acid sequences of the peptides in the fraction with the highest antioxidant activity were analyzed using LC-MS/MS. Finally, their bioactivity and characteristics were studied using in silico analysis. The hydrolysates and peptide fractions provided antioxidant activity (6.17-135.40 µmol AAE/g protein). The lower molecular weight fraction had higher antioxidant activity. Collagen from pepsin treatment produced higher activity than that of bromelain treatment. The fraction from collagen hydrolysates by savinase treatment had the highest activity compared to neutrase and alcalase treatments. The peptides in the PBN and PPS fractions of <3 kDa had antidiabetic, antihypertensive and antioxidant activities. In conclusion, they have the potential to be used in food and health applications.
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Affiliation(s)
- Liza Devita
- Department of Food Science and Technology, Faculty of Agricultural Engineering and Technology, Bogor Agricultural University, Bogor 16680, Indonesia; (L.D.); (H.N.L.)
- The Ministry of Agriculture Republic Indonesia, Jakarta 12550, Indonesia
| | - Hanifah Nuryani Lioe
- Department of Food Science and Technology, Faculty of Agricultural Engineering and Technology, Bogor Agricultural University, Bogor 16680, Indonesia; (L.D.); (H.N.L.)
| | - Mala Nurilmala
- Department of Aquatic Product Technology, Faculty of Fisheries and Marine Sciences, Bogor Agricultural University, Bogor 16680, Indonesia;
| | - Maggy T. Suhartono
- Department of Food Science and Technology, Faculty of Agricultural Engineering and Technology, Bogor Agricultural University, Bogor 16680, Indonesia; (L.D.); (H.N.L.)
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Mizuno Y, Taguchi T. Fish Gelatin-Based Absorbable Dural Sealant with Anti-inflammatory Properties. ACS Biomater Sci Eng 2021; 7:4991-4998. [PMID: 34596382 DOI: 10.1021/acsbiomaterials.1c00734] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Cerebrospinal fluid (CSF) leakage from the dura mater during craniotomy is a common complication, which is associated with infection, meningitis, pneumocephalus, and delayed wound healing. In the present study, we developed an absorbable fish gelatin-based anti-inflammatory sealant for dura mater sealing to prevent CSF leakage. Gelatin derived from Alaska pollock (ApGltn) was modified with α-linolenic acid (ALA), an omega-3 fatty acid that exhibits anti-inflammatory properties, and cross-linked with a poly(ethylene glycol)-based cross-linker to develop ALA-ApGltn sealant (ALA-Seal). ALA-Seal demonstrated a higher storage modulus and tangent delta (tan δ) compared with those of the original ApGltn sealant (Org-Seal). The swelling ratio of ALA-Seal was markedly lower than that of DuraSeal, a commercially available dural sealant. Ex vivo burst strength measurements using porcine dura mater indicated that there was no significant difference between DuraSeal and ALA-Seal, despite ALA-Seal having an order of magnitude lower storage modulus. The anti-inflammatory properties of ALA-Seal, evaluated using brain microglial cells, were considerably higher than those of DuraSeal and Org-Seal, with a minimal adverse effect on cell viability. Therefore, compared to DuraSeal, ALA-Seal is a potential dural sealant with a lower swelling ratio, similar burst strength, and higher anti-inflammatory properties, which may prevent CSF leakage.
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Affiliation(s)
- Yosuke Mizuno
- Graduate School of Science and Technology, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8577, Japan.,Polymers and Biomaterials Field, Research Center for Functional Materials, National Institute for Materials Science, 1-1 Namiki, Tsukuba, Ibaraki 305-0044, Japan
| | - Tetsushi Taguchi
- Graduate School of Science and Technology, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8577, Japan.,Polymers and Biomaterials Field, Research Center for Functional Materials, National Institute for Materials Science, 1-1 Namiki, Tsukuba, Ibaraki 305-0044, Japan
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Sun X, Ruan S, Zhuang Y, Sun L. Anti-osteoporosis effect and purification of peptides with high calcium-binding capacity from walnut protein hydrolysates. Food Funct 2021; 12:8454-8466. [PMID: 34190289 DOI: 10.1039/d1fo01094h] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The walnut protein hydrolysate (WPH) was prepared via simulated gastrointestinal digestion. The degree of hydrolysis (DH), amino acid composition, and relative molecular weight distribution of WPH were analyzed. The results showed that the DH of WPH was 11.6%, WPH was rich in Glu and Pro, and the relative average molecular weight of 572 Da accounted for 59.78%. The effects of WPH on osteoporosis were evaluated using a model of retinoic acid-induced osteoporosis rat. Treatment with WPH effectively increased the serum calcium and phosphorus contents, alleviated calcium loss, and reduced tartrate-resistant acid phosphate and alkaline phosphatase activities and bone gla protein content. WPH treatment significantly improved the biomechanical properties of the bone and increased the value of bone mineral density. In addition, WPH treatment improved the bone microstructure. WPH was isolated and purified by Sephadex G-25 gel filtration chromatography and semi-preparative reversed-phase high-performance liquid chromatography. A fraction with high calcium-binding activity was obtained and 15 peptides were identified.
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Affiliation(s)
- Xiaodong Sun
- Faculty of Agriculture and Food, Kunming University of Science and Technology, No. 727 South Jingming Road, Kunming, Yunnan 650500, China.
| | - Shiyan Ruan
- Faculty of Agriculture and Food, Kunming University of Science and Technology, No. 727 South Jingming Road, Kunming, Yunnan 650500, China.
| | - Yongliang Zhuang
- Faculty of Agriculture and Food, Kunming University of Science and Technology, No. 727 South Jingming Road, Kunming, Yunnan 650500, China.
| | - Liping Sun
- Faculty of Agriculture and Food, Kunming University of Science and Technology, No. 727 South Jingming Road, Kunming, Yunnan 650500, China.
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Larder CE, Iskandar MM, Kubow S. Gastrointestinal Digestion Model Assessment of Peptide Diversity and Microbial Fermentation Products of Collagen Hydrolysates. Nutrients 2021; 13:nu13082720. [PMID: 34444880 PMCID: PMC8401164 DOI: 10.3390/nu13082720] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2021] [Revised: 07/30/2021] [Accepted: 08/04/2021] [Indexed: 01/11/2023] Open
Abstract
Osteoarthritis (OA), the most common form of arthritis, is associated with metabolic diseases and gut microbiome dysbiosis. OA patients often take supplements of collagen hydrolysates (CHs) with a high peptide content. Following digestion, some peptides escape absorption to induce prebiotic effects via their colonic fermentation to generate short-chain fatty acids (SCFAs), branched-chain fatty acids (BCFAs) and colonic gases (NH4 and H2S). The capacity of CHs to generate microbial metabolites is unknown. Proteomic analysis of two CHs (CH-GL and CH-OPT) demonstrated different native peptide profiles with increased peptide diversity after in vitro gastric and small intestinal digestion. Subsequent 24 h fermentation of the CH digests in a dynamic gastrointestinal (GI) digestion model containing human fecal matter showed that CH-OPT increased (p < 0.05) H2S, SCFAs (propionic, butyric and valeric acids), BCFAs, and decreased NH4 in the ascending colon reactor with no major changes seen with CH-GL. No major effects were observed in the transverse and descending vessels for either CH. These findings signify that CHs can induce prebiotic effects in the ascending colon that are CH dependent. More studies are needed to determine the physiological significance of CH-derived colonic metabolites, in view of emerging evidence connecting the gut to OA and metabolic diseases.
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Tian W, Wu B, Sun L, Zhuang Y. Protective effect against d-gal-induced aging mice and components of polypeptides and polyphenols in defatted walnut kernel during simulated gastrointestinal digestion. J Food Sci 2021; 86:2736-2752. [PMID: 33963555 DOI: 10.1111/1750-3841.15744] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2020] [Revised: 03/09/2021] [Accepted: 03/26/2021] [Indexed: 01/26/2023]
Abstract
Defatted walnut kernel with pellicle (WKP) is an industrial byproduct during walnut oil extraction, which is rich in protein and polyphenols. WKP was hydrolyzed by simulated gastrointestinal digestion to obtain WKP hydrolysates (WKPHs). Results showed the protein recovery and hydrolysis degree of WKPH were 82.15 and 10.36%. The total phenol contents in WKP and WKPH were 4.90 and 40.70 mg gallic acid equivalent/g, respectively. The antiaging activity of WKPH was evaluated using a d-gal-induced aging mouse model. Results showed that WKPHs could recover the activities of SOD and T-AOC and the content of MDA in tissues and serum of the aging mice. The histological morphology of liver and kidney sections and the immunohistochemistry of TNF-α, IL-1β, and IL-6 in liver were observed. WKPH could effectively protect the tissue structure of the liver and kidney and reduce the inflammatory expression of liver in aging mice. The polypeptides and polyphenols in WKPH were further analyzed. Fifty polypeptides were identified and 12 of these peptides had Leu-Arg at the C-terminal. Forty-two polyphenols were detected, and most phenolic compounds belonged to ellagitannins. This study provided a theoretical basis for the improved processing and high-value utilization of walnut byproducts. PRACTICAL APPLICATION: Defatted walnut kernel with pellicle was hydrolyzed by simulated gastrointestinal digestion to obtain its hydrolysates. The hydrolysates have good antiaging activity in vivo. Fifty polypeptides were identified and 12 of these peptides had Leu-Arg at the C-terminal. Forty-two polyphenols were detected, and most phenolic compounds belonged to ellagitannins. This study could provide a theoretical basis for high-value utilization of walnut byproducts.
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Affiliation(s)
- Wenhui Tian
- Institute of Agriculture and Food, Kunming University of Science and Technology, Kunming, Yunnan, P. R. China
| | - Beiyi Wu
- Institute of Agriculture and Food, Kunming University of Science and Technology, Kunming, Yunnan, P. R. China
| | - Liping Sun
- Institute of Agriculture and Food, Kunming University of Science and Technology, Kunming, Yunnan, P. R. China
| | - Yongliang Zhuang
- Institute of Agriculture and Food, Kunming University of Science and Technology, Kunming, Yunnan, P. R. China
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14
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Coppola D, Lauritano C, Palma Esposito F, Riccio G, Rizzo C, de Pascale D. Fish Waste: From Problem to Valuable Resource. Mar Drugs 2021; 19:116. [PMID: 33669858 PMCID: PMC7923225 DOI: 10.3390/md19020116] [Citation(s) in RCA: 94] [Impact Index Per Article: 31.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2021] [Revised: 02/08/2021] [Accepted: 02/15/2021] [Indexed: 12/15/2022] Open
Abstract
Following the growth of the global population and the subsequent rapid increase in urbanization and industrialization, the fisheries and aquaculture production has seen a massive increase driven mainly by the development of fishing technologies. Accordingly, a remarkable increase in the amount of fish waste has been produced around the world; it has been estimated that about two-thirds of the total amount of fish is discarded as waste, creating huge economic and environmental concerns. For this reason, the disposal and recycling of these wastes has become a key issue to be resolved. With the growing attention of the circular economy, the exploitation of underused or discarded marine material can represent a sustainable strategy for the realization of a circular bioeconomy, with the production of materials with high added value. In this study, we underline the enormous role that fish waste can have in the socio-economic sector. This review presents the different compounds with high commercial value obtained by fish byproducts, including collagen, enzymes, and bioactive peptides, and lists their possible applications in different fields.
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Affiliation(s)
- Daniela Coppola
- Department of Marine Biotechnology, Stazione Zoologica Anton Dohrn, Villa Comunale, 80121 Naples, Italy; (D.C.); (C.L.); (F.P.E.); (G.R.); (C.R.)
| | - Chiara Lauritano
- Department of Marine Biotechnology, Stazione Zoologica Anton Dohrn, Villa Comunale, 80121 Naples, Italy; (D.C.); (C.L.); (F.P.E.); (G.R.); (C.R.)
| | - Fortunato Palma Esposito
- Department of Marine Biotechnology, Stazione Zoologica Anton Dohrn, Villa Comunale, 80121 Naples, Italy; (D.C.); (C.L.); (F.P.E.); (G.R.); (C.R.)
| | - Gennaro Riccio
- Department of Marine Biotechnology, Stazione Zoologica Anton Dohrn, Villa Comunale, 80121 Naples, Italy; (D.C.); (C.L.); (F.P.E.); (G.R.); (C.R.)
| | - Carmen Rizzo
- Department of Marine Biotechnology, Stazione Zoologica Anton Dohrn, Villa Comunale, 80121 Naples, Italy; (D.C.); (C.L.); (F.P.E.); (G.R.); (C.R.)
| | - Donatella de Pascale
- Department of Marine Biotechnology, Stazione Zoologica Anton Dohrn, Villa Comunale, 80121 Naples, Italy; (D.C.); (C.L.); (F.P.E.); (G.R.); (C.R.)
- Institute of Biochemistry and Cell Biology (IBBC), National Research Council, Via Pietro Castellino 111, 80131 Naples, Italy
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15
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Festa M, Sansone C, Brunet C, Crocetta F, Di Paola L, Lombardo M, Bruno A, Noonan DM, Albini A. Cardiovascular Active Peptides of Marine Origin with ACE Inhibitory Activities: Potential Role as Anti-Hypertensive Drugs and in Prevention of SARS-CoV-2 Infection. Int J Mol Sci 2020; 21:E8364. [PMID: 33171852 PMCID: PMC7664667 DOI: 10.3390/ijms21218364] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2020] [Accepted: 11/03/2020] [Indexed: 12/12/2022] Open
Abstract
Growing interest in hypertension-one of the main factors characterizing the cardiometabolic syndrome (CMS)-and anti-hypertensive drugs raised from the emergence of a new coronavirus, SARS-CoV-2, responsible for the COVID19 pandemic. The virus SARS-CoV-2 employs the Angiotensin-converting enzyme 2 (ACE2), a component of the RAAS (Renin-Angiotensin-Aldosterone System) system, as a receptor for entry into the cells. Several classes of synthetic drugs are available for hypertension, rarely associated with severe or mild adverse effects. New natural compounds, such as peptides, might be useful to treat some hypertensive patients. The main feature of ACE inhibitory peptides is the location of the hydrophobic residue, usually Proline, at the C-terminus. Some already known bioactive peptides derived from marine resources have potential ACE inhibitory activity and can be considered therapeutic agents to treat hypertension. Peptides isolated from marine vertebrates, invertebrates, seaweeds, or sea microorganisms displayed important biological activities to treat hypertensive patients. Here, we reviewed the anti-hypertensive activities of bioactive molecules isolated/extracted from marine organisms and discussed the associated molecular mechanisms involved. We also examined ACE2 modulation in sight of SARS2-Cov infection prevention.
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Affiliation(s)
- Marco Festa
- IRCCS MultiMedica, 30138 Milan, Italy; (M.F.); (M.L); (D.M.N.)
| | - Clementina Sansone
- Department of Marine Biotechnology, Stazione Zoologica Anton Dohrn, 80121 Naples, Italy; (C.S.); (C.B.)
| | - Christophe Brunet
- Department of Marine Biotechnology, Stazione Zoologica Anton Dohrn, 80121 Naples, Italy; (C.S.); (C.B.)
| | - Fabio Crocetta
- Department of Integrative Marine Ecology, Stazione Zoologica Anton Dohrn, 80121 Naples, Italy;
| | - Luisa Di Paola
- Unit of Chemical-physics Fundamentals in Chemical Engineering, Department of Engineering, Università Campus Bio-Medico di Roma, 00128 Rome, Italy;
| | | | - Antonino Bruno
- IRCCS MultiMedica, 30138 Milan, Italy; (M.F.); (M.L); (D.M.N.)
| | - Douglas M. Noonan
- IRCCS MultiMedica, 30138 Milan, Italy; (M.F.); (M.L); (D.M.N.)
- Laboratory of Immunology and General Pathology, Department of Biotechnology and Life Sciences, University of Insubria, 21100 Varese, Italy
| | - Adriana Albini
- IRCCS MultiMedica, 30138 Milan, Italy; (M.F.); (M.L); (D.M.N.)
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16
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Tacias-Pascacio VG, Morellon-Sterling R, Siar EH, Tavano O, Berenguer-Murcia Á, Fernandez-Lafuente R. Use of Alcalase in the production of bioactive peptides: A review. Int J Biol Macromol 2020; 165:2143-2196. [PMID: 33091472 DOI: 10.1016/j.ijbiomac.2020.10.060] [Citation(s) in RCA: 127] [Impact Index Per Article: 31.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2020] [Revised: 10/05/2020] [Accepted: 10/08/2020] [Indexed: 12/11/2022]
Abstract
This review aims to cover the uses of the commercially available protease Alcalase in the production of biologically active peptides since 2010. Immobilization of Alcalase has also been reviewed, as immobilization of the enzyme may improve the final reaction design enabling the use of more drastic conditions and the reuse of the biocatalyst. That way, this review presents the production, via Alcalase hydrolysis of different proteins, of peptides with antioxidant, angiotensin I-converting enzyme inhibitory, metal binding, antidiabetic, anti-inflammatory and antimicrobial activities (among other bioactivities) and peptides that improve the functional, sensory and nutritional properties of foods. Alcalase has proved to be among the most efficient proteases for this goal, using different protein sources, being especially interesting the use of the protein residues from food industry as feedstock, as this also solves nature pollution problems. Very interestingly, the bioactivities of the protein hydrolysates further improved when Alcalase is used in a combined way with other proteases both in a sequential way or in a simultaneous hydrolysis (something that could be related to the concept of combi-enzymes), as the combination of proteases with different selectivities and specificities enable the production of a larger amount of peptides and of a smaller size.
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Affiliation(s)
- Veymar G Tacias-Pascacio
- Facultad de Ciencias de la Nutrición y Alimentos, Universidad de Ciencias y Artes de Chiapas, Lib. Norte Pte. 1150, 29039 Tuxtla Gutiérrez, Chiapas, Mexico; Tecnológico Nacional de México/Instituto Tecnológico de Tuxtla Gutiérrez, Carretera Panamericana Km. 1080, 29050 Tuxtla Gutiérrez, Chiapas, Mexico.
| | | | - El-Hocine Siar
- Departamento de Biocatálisis, ICP-CSIC, Campus UAM-CSIC, Madrid, Spain; Equipe TEPA, Laboratoire LNTA, INATAA, Université des Frères Mentouri Constantine 1, Constantine 25000, Algeria
| | - Olga Tavano
- Faculty of Nutrition, Alfenas Federal Univ., 700 Gabriel Monteiro da Silva St, Alfenas, MG 37130-000, Brazil
| | - Ángel Berenguer-Murcia
- Departamento de Química Inorgánica e Instituto Universitario de Materiales, Universidad de Alicante, Alicante, Spain
| | - Roberto Fernandez-Lafuente
- Departamento de Biocatálisis, ICP-CSIC, Campus UAM-CSIC, Madrid, Spain; Center of Excellence in Bionanoscience Research, Member of the External Scientific Advisory Board, King Abdulaziz University, Jeddah, Saudi Arabia.
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17
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Mizuno Y, Taguchi T. Anti-Inflammatory and Tissue Adhesion Properties of an α-Linolenic Acid-Modified Gelatin-Based In Situ Hydrogel. ACS APPLIED BIO MATERIALS 2020; 3:6204-6213. [PMID: 35021753 DOI: 10.1021/acsabm.0c00737] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Poly unsaturated fatty acids (PUFAs)-natural chemicals derived from fish and nuts-have anti-inflammatory and antioxidative properties that are attributed to the inhibition of inflammatory pathways and the radical scavenging activity of their double bonds. In this study, Alaska pollock-derived gelatin (ApGltn), which has a low sol-gel transition temperature, was modified with α-linolenic acid (ALA) to obtain ALA-ApGltn, which was subsequently cross-linked to give a hydrogel (ALA-gel). Although the elastic modulus of ALA-gel and nonmodified ApGltn gel (Org-gel) was almost the same, ALA-gel exhibited a higher tan δ as well as a lower swelling ratio and enzymatic degradation rate than Org-gel. Moreover, ALA-gel showed enhanced tissue adhesive strength compared with a commercial fibrin adhesive. The concentration of a tumor necrosis factor (TNF)-α secreted from macrophage-like cells and the intracellular mitochondrial activity indicated that ALA-ApGltn exerted anti-inflammatory effects and maintained cell viability compared with the higher toxicity nonconjugated ALA. In addition, ALA-gel demonstrated suppressed formation of lamellipodia and secretion of TNF-α. ALA-gel therefore has potential as an adhesive biomaterial for wound sealing and treating burn injuries.
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Affiliation(s)
- Yosuke Mizuno
- Graduate School of Science and Technology, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8577, Japan.,Polymers and Biomaterials Field, Research Center for Functional Materials, National Institute for Materials Science, 1-1 Namiki, Tsukuba, Ibaraki 305-0044, Japan
| | - Tetsushi Taguchi
- Graduate School of Science and Technology, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8577, Japan.,Polymers and Biomaterials Field, Research Center for Functional Materials, National Institute for Materials Science, 1-1 Namiki, Tsukuba, Ibaraki 305-0044, Japan
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18
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Ranasinghe RASN, Wijesekara WLI, Perera PRD, Senanayake SA, Pathmalal MM, Marapana RAUJ. Functional and Bioactive Properties of Gelatin Extracted from Aquatic Bioresources – A Review. FOOD REVIEWS INTERNATIONAL 2020. [DOI: 10.1080/87559129.2020.1747486] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Affiliation(s)
- R. A. S. N. Ranasinghe
- Department of Food Science and Technology, Faculty of Applied Sciences, University of Sri Jayewardenepura, Nugegoda, Sri Lanka
| | - W. L. I. Wijesekara
- Department of Food Science and Technology, Faculty of Applied Sciences, University of Sri Jayewardenepura, Nugegoda, Sri Lanka
| | - P. R. D. Perera
- Department of Food Science and Technology, Faculty of Applied Sciences, University of Sri Jayewardenepura, Nugegoda, Sri Lanka
| | - S. A. Senanayake
- Department of Food Science and Technology, Faculty of Applied Sciences, University of Sri Jayewardenepura, Nugegoda, Sri Lanka
| | - M. M. Pathmalal
- Department of Zoology, Faculty of Applied Sciences, University of Sri Jayewardenepura, Nugegoda, Sri Lanka
| | - R. A. U. J. Marapana
- Department of Food Science and Technology, Faculty of Applied Sciences, University of Sri Jayewardenepura, Nugegoda, Sri Lanka
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19
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Luo X, Fei Y, Xu Q, Lei T, Mo X, Wang Z, Zhang L, Mou X, Li H. Isolation and identification of antioxidant peptides from tartary buckwheat albumin (Fagopyrum tataricum Gaertn.) and their antioxidant activities. J Food Sci 2020; 85:611-617. [PMID: 32078748 DOI: 10.1111/1750-3841.15004] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2019] [Revised: 10/21/2019] [Accepted: 11/26/2019] [Indexed: 11/28/2022]
Abstract
Tartary buckwheat (Fagopyrum tataricum Gaertn.) albumin was hydrolyzed by alkaline protease, and three new antioxidant peptides (P1, P2, and P3) were successfully separated from the hydrolysate (TBAH). The sequences of the three antioxidant peptides were Gly-Glu-Val-Pro-Trp (GEVPW), Tyr-Met-Glu-Asn-Phe (YMENF), and Ala-Phe-Tyr-Arg-Trp (AFYRW), and their molecular weights were 586.65, 702.79, and 741.85 Da, respectively. All three peptides have a good antioxidant capacity, and P3 (AFYRW) demonstrates the best antioxidant activity of the three. The IC50 values of AFYRW for scavenging hydroxyl radicals (OH·) and (1,1-diphenyl-2-picrylhydrazyl) DPPH· free radicals were 0.65 and 0.64 mM, respectively. In addition, AFYRW exhibits the strongest lipid peroxidation inhibition ability and the highest reducing power. The results of this research indicate that the three isolated peptides can be used in the development of various antioxidant additives in the food and pharmaceutical industries.
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Affiliation(s)
- Xiaoyu Luo
- Dept. of Biochemistry and Molecular Biology, Guizhou Medical Univ., Guiyang, 550004, Guizhou, P.R. China.,Dept. of Assisted Reproductive, Guiyang Maternity and Child Health Hospital, Guiyang, 550003, Guizhou, P.R. China
| | - Ye Fei
- Dept. of Biochemistry and Molecular Biology, Guizhou Medical Univ., Guiyang, 550004, Guizhou, P.R. China
| | - Qingzhong Xu
- Dept. of Biochemistry and Molecular Biology, Guizhou Medical Univ., Guiyang, 550004, Guizhou, P.R. China
| | - Tingwen Lei
- Dept. of Biochemistry and Molecular Biology, Guizhou Medical Univ., Guiyang, 550004, Guizhou, P.R. China
| | - Xiaochuan Mo
- Dept. of Biochemistry and Molecular Biology, Guizhou Medical Univ., Guiyang, 550004, Guizhou, P.R. China
| | - Zhuting Wang
- Dept. of Biochemistry and Molecular Biology, Guizhou Medical Univ., Guiyang, 550004, Guizhou, P.R. China
| | - Lilin Zhang
- Dept. of Biochemistry and Molecular Biology, Guizhou Medical Univ., Guiyang, 550004, Guizhou, P.R. China
| | - Xia Mou
- Guizhou Provincial People's Hospital, Guiyang, 550002, Guizhou, P.R. China
| | - Hongmei Li
- Dept. of Biochemistry and Molecular Biology, Guizhou Medical Univ., Guiyang, 550004, Guizhou, P.R. China
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20
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Hamzeh A, Noisa P, Yongsawatdigul J. Characterization of the antioxidant and ACE-inhibitory activities of Thai fish sauce at different stages of fermentation. J Funct Foods 2020. [DOI: 10.1016/j.jff.2019.103699] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022] Open
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21
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Masuda K, Sato A, Tanaka A, Kumagai A. Hydrolyzed diets may stimulate food-reactive lymphocytes in dogs. J Vet Med Sci 2019; 82:177-183. [PMID: 31875597 PMCID: PMC7041975 DOI: 10.1292/jvms.19-0222] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
Hydrolyzed proteins are often prescribed for dogs with food hypersensitivity in food elimination programs. However, the potential of these diets to stimulate lymphocyte-mediated hypersensitivity is currently unknown. In this study, two commercially available hydrolyzed diets for dogs, D-1 (Aminopeptide Formula Dry, Royal Canin Japon, Tokyo, Japan), and D-2 (Canine z/d Ultra Dry, Hill's-Colgate (Japan) Ltd., Tokyo, Japan), were analyzed to identify residual proteins or peptides, as well as activated helper T-lymphocyte reactions in dogs with suspected food hypersensitivity. Proteins and peptides with molecular weights >1 kDa (majority 1.5-3.5 kDa) were detected in both diet extracts with sodium dodecyl sulfate polyacrylamide gel electrophoresis, and size exclusion chromatography. When peripheral blood mononuclear cells (PBMC's) from 316 dogs with suspected food allergies were cultured with hydrolyzed diet extracts, flow cytometry analysis revealed detectable levels of CD25low helper T-lymphocytes stimulated by D-1 and D-2 in 91 of 316, (28.8%), and 75 of 316 (23.7%) samples, respectively. These data indicated that the extracts contained proteins or peptides large enough to activate the lymphocytes. The percentages of CD25low helper T-lymphocytes stimulated by D-1 and D-2 extracts increased to 38.7% and 29.6%, respectively, in 186 of the original 316 samples (186/316, 58.9%), also reactive to poultry-related antigens. Thus, both poultry-related antigens, and D-1 and D-2 diet extracts may activate helper T-lymphocytes. These results demonstrate that hydrolyzed diets may contain proteins that stimulate helper T-lymphocytes, and may not be effective for treating all dogs with food hypersensitivity.
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Affiliation(s)
- Kenichi Masuda
- Animal Allergy Clinical Laboratories Inc., SIC-2 #301, 5-4-30, Nishihashimoto, Midori-ku, Sagamihara-shi, Kanagawa 252-0131, Japan
| | - Atsushi Sato
- Animal Allergy Clinical Laboratories Inc., SIC-2 #301, 5-4-30, Nishihashimoto, Midori-ku, Sagamihara-shi, Kanagawa 252-0131, Japan
| | - Atsushi Tanaka
- Animal Allergy Clinical Laboratories Inc., SIC-2 #301, 5-4-30, Nishihashimoto, Midori-ku, Sagamihara-shi, Kanagawa 252-0131, Japan
| | - Akiko Kumagai
- Animal Allergy Clinical Laboratories Inc., SIC-2 #301, 5-4-30, Nishihashimoto, Midori-ku, Sagamihara-shi, Kanagawa 252-0131, Japan
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22
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Tianrui Z, Bingtong L, Ling Y, Liping S, Yongliang Z. ACE inhibitory activity in vitro and antihypertensive effect in vivo of LSGYGP and its transepithelial transport by Caco-2 cell monolayer. J Funct Foods 2019. [DOI: 10.1016/j.jff.2019.103488] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022] Open
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23
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Wang CH, Doan CT, Nguyen VB, Nguyen AD, Wang SL. Reclamation of Fishery Processing Waste: A Mini-Review. Molecules 2019; 24:E2234. [PMID: 31207992 PMCID: PMC6630555 DOI: 10.3390/molecules24122234] [Citation(s) in RCA: 46] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2019] [Revised: 06/11/2019] [Accepted: 06/13/2019] [Indexed: 02/07/2023] Open
Abstract
: Seafood such as fish, shellfish, and squid are a unique source of nutrients. However, many marine processing byproducts, such as viscera, shells, heads, and bones, are discarded, even though they are rich sources of structurally diverse bioactive nitrogenous components. Based on emerging evidence of their potential health benefits, these components show significant promise as functional food ingredients. Fish waste components contain significant levels of high-quality protein, which represents a source for biofunctional peptide mining. The chitin contained in shrimp shells, crab shells, and squid pens may also be of value. The components produced by bioconversion are reported to have antioxidative, antimicrobial, anticancer, antihypertensive, antidiabetic, and anticoagulant activities. This review provides an overview of the extraordinary potential of processing fish and chitin-containing seafood byproducts via chemical procedures, enzymatic and fermentation technologies, and chemical modifications, as well as their applications.
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Affiliation(s)
- Chi-Hao Wang
- Department of Chemistry, Tamkang University, New Taipei City 25137, Taiwan; (C.-H.W.); (C.T.D.)
| | - Chien Thang Doan
- Department of Chemistry, Tamkang University, New Taipei City 25137, Taiwan; (C.-H.W.); (C.T.D.)
- Department of Science and Technology, Tay Nguyen University, Buon Ma Thuot 630000, Vietnam;
| | - Van Bon Nguyen
- Department of Science and Technology, Tay Nguyen University, Buon Ma Thuot 630000, Vietnam;
| | - Anh Dzung Nguyen
- Institute of Biotechnology and Environment, Tay Nguyen University, Buon Ma Thuot 630000, Vietnam;
| | - San-Lang Wang
- Department of Chemistry, Tamkang University, New Taipei City 25137, Taiwan; (C.-H.W.); (C.T.D.)
- Life Science Development Center, Tamkang University, New Taipei City 25137, Taiwan
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24
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Ling Y, Liping S, Yongliang Z. Preparation and identification of novel inhibitory angiotensin-I-converting enzyme peptides from tilapia skin gelatin hydrolysates: inhibition kinetics and molecular docking. Food Funct 2019; 9:5251-5259. [PMID: 30229250 DOI: 10.1039/c8fo00569a] [Citation(s) in RCA: 48] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Tilapia skin gelatin was hydrolyzed by successive simulated gastrointestinal digestion, and the hydrolysates were further separated by transport across a Caco-2 cell monolayer. Angiotensin-I-converting enzyme inhibitory (ACEI) peptides were separated by successive chromatographic steps from the transport hydrolysates. We have identified two key ACEI peptides, namely VGLPNSR (741.4133 Da) and QAGLSPVR (826.4661 Da) with IC50 values of ACEI activity of 80.90 and 68.35 μM, respectively. Lineweaver-Burk plots indicated that the inhibitory ACE kinetics of the two peptides were noncompetitive. Molecular docking simulation showed that the two peptides could interact with the ACE site via hydrogen bonds with high binding power. However, the hydrogen bonds were not formed with the key amino acid residues in the active site of ACE. This finding was in accordance with the noncompetitive inhibition. This study established a novel approach to identify key ACEI peptides and suggested the use of tilapia peptides as functional food ingredients to prevent hypertension.
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Affiliation(s)
- Yuan Ling
- Yunnan Institute of Food Safety, Kunming University of Science and Technology, No. 727 South Jingming Road, Kunming, Yunnan 650500, China.
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25
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Kim HJ, Yang SR, Jang A. Anti-proliferative Effect of a Novel Anti-oxidative Peptide in Hanwoo Beef on Human Colorectal Carcinoma Cells. Korean J Food Sci Anim Resour 2018; 38:1168-1178. [PMID: 30675109 PMCID: PMC6335142 DOI: 10.5851/kosfa.2018.e48] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2018] [Revised: 10/16/2018] [Accepted: 10/18/2018] [Indexed: 01/06/2023] Open
Abstract
The present study aimed to characterise anti-oxidant peptides from water-soluble
protein extracts of Hanwoo beef and evaluate their anti-proliferative effect on
human colorectal carcinoma cells (HCT116). Antioxidant peptides were purified
from the low-molecular-weight fraction (<3 kDa) of Hanwoo beef extract.
Antioxidant activity of peptide fractions was determined using the oxygen
radical absorbance capacity (ORAC) assay. Purified peptide (P3) displayed higher
ORAC activity than the low-molecular-weight fraction (202.66 μM TE/g vs
167.38 μM TE/g of dry matter, respectively) (p<0.05). The peptide
sequence of P3 was Cys-Cys-Cys-Cys-Ser-Val-Gln-Lys (888.30 Da). The novel
peptide P3, at 250 μg/mL, also significantly inhibited HCT116 cell
proliferation up to 25.24% through phosphorylation of ERK, JNK, and p38 kinase
(p<0.05). Hence, antioxidant peptide P3 from Hanwoo beef extract can be
used as an antioxidative and anti-cancer agent in the functional food
industry.
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Affiliation(s)
- Hye-Jin Kim
- Department of Animal Life Science, College of Animal Life Science, Kangwon National University, Chuncheon 24341, Korea
| | - Se-Ran Yang
- Department of Thoracic and Cardiovascular Surgery, School of Medicine, Kangwon National University, Chuncheon 24341, Korea
| | - Aera Jang
- Department of Animal Life Science, College of Animal Life Science, Kangwon National University, Chuncheon 24341, Korea
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26
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Lin X, Yang L, Wang M, Zhang T, Liang M, Yuan E, Ren J. Preparation, purification and identification of cadmium-induced osteoporosis-protective peptides from chicken sternal cartilage. J Funct Foods 2018. [DOI: 10.1016/j.jff.2018.09.036] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023] Open
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27
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Ketnawa S, Wickramathilaka M, Liceaga AM. Changes on antioxidant activity of microwave-treated protein hydrolysates after simulated gastrointestinal digestion: Purification and identification. Food Chem 2018; 254:36-46. [DOI: 10.1016/j.foodchem.2018.01.133] [Citation(s) in RCA: 54] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2017] [Revised: 01/11/2018] [Accepted: 01/22/2018] [Indexed: 11/24/2022]
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28
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Luo F, Xing R, Wang X, Yang H, Li P. Antioxidant activities of Rapana venosa
meat and visceral mass during simulated gastrointestinal digestion and their membrane ultrafiltration fractions. Int J Food Sci Technol 2017. [DOI: 10.1111/ijfs.13597] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Affiliation(s)
- Fenglei Luo
- Key Laboratory of Experimental Marine Biology; Institute of Oceanology, Chinese Academy of Sciences; Qingdao 266071 China
| | - Ronge Xing
- Key Laboratory of Experimental Marine Biology; Institute of Oceanology, Chinese Academy of Sciences; Qingdao 266071 China
| | - Xueqin Wang
- Key Laboratory of Experimental Marine Biology; Institute of Oceanology, Chinese Academy of Sciences; Qingdao 266071 China
| | - Haoyue Yang
- Key Laboratory of Experimental Marine Biology; Institute of Oceanology, Chinese Academy of Sciences; Qingdao 266071 China
| | - Pengcheng Li
- Key Laboratory of Experimental Marine Biology; Institute of Oceanology, Chinese Academy of Sciences; Qingdao 266071 China
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29
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Song R, Shi Q, Yang P, Wei R. Identification of antibacterial peptides from Maillard reaction products of half-fin anchovy hydrolysates/glucose via LC-ESI-QTOF-MS analysis. J Funct Foods 2017. [DOI: 10.1016/j.jff.2017.07.026] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023] Open
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In Vitro Antioxidant Activities of Enzymatic Hydrolysate from Schizochytrium sp. and Its Hepatoprotective Effects on Acute Alcohol-Induced Liver Injury In Vivo. Mar Drugs 2017; 15:md15040115. [PMID: 28394291 PMCID: PMC5408261 DOI: 10.3390/md15040115] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2016] [Revised: 04/06/2017] [Accepted: 04/07/2017] [Indexed: 11/17/2022] Open
Abstract
Schizochytrium protein hydrolysate (SPH) was prepared through stepwise enzymatic hydrolysis by alcalase and flavourzyme sequentially. The proportion of hydrophobic amino acids of SPH was 34.71%. The molecular weight (MW) of SPH was principally concentrated at 180–3000 Da (52.29%). SPH was divided into two fractions by ultrafiltration: SPH-I (MW < 3 kDa) and SPH-II (MW > 3 kDa). Besides showing lipid peroxidation inhibitory activity in vitro, SPH-I exhibited high DPPH and ABTS radicals scavenging activities with IC50 of 350 μg/mL and 17.5 μg/mL, respectively. In addition, the antioxidant activity of SPH-I was estimated in vivo using the model of acute alcohol-induced liver injury in mice. For the hepatoprotective effects, oral administration of SPH-I at different concentrations (100, 300 mg/kg BW) to the mice subjected to alcohol significantly decreased serum alanine aminotransferase (ALT) and aspartate aminotransferase (AST) activities and hepatic malondialdehyde (MDA) level compared to the untreated mice. Besides, SPH-I could effectively restore the hepatic superoxide dismutase (SOD), catalase (CAT), and glutathione peroxidase (GSH-Px) activities and glutathione (GSH) level. Results suggested that SPH was rich in biopeptides that could be exploited as antioxidant molecules against oxidative stress in human body.
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