201
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Xia Y, Yu J, Xu W, Shuang Q. Purification and characterization of angiotensin-I-converting enzyme inhibitory peptides isolated from whey proteins of milk fermented with Lactobacillus plantarum QS670. J Dairy Sci 2020; 103:4919-4928. [DOI: 10.3168/jds.2019-17594] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2019] [Accepted: 01/27/2020] [Indexed: 12/16/2022]
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202
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Peptide profile and angiotensin-converting enzyme inhibitory activity of Prato cheese with salt reduction and Lactobacillus helveticus as an adjunct culture. Food Res Int 2020; 133:109190. [PMID: 32466918 DOI: 10.1016/j.foodres.2020.109190] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2019] [Revised: 03/15/2020] [Accepted: 03/17/2020] [Indexed: 12/17/2022]
Abstract
Among strategies to improve the health-related aspects of dairy products, great prominence has been given to salt reduction and the use of adjunct cultures that can favor the release of bioactive peptides during cheese ripening. This study aimed to evaluate the effect of the salt reduction, the addition of Lactobacillus helveticus LH-B02 and the ripening time of Prato cheese on the casein hydrolysis profile by capillary electrophoresis, peptide profile by mass spectrometry, and antihypertensive potential evaluated in vitro through the inhibitory activity of the angiotensin-converting enzyme (ACE). Both the salt reduction and the addition of adjunct culture favored the accumulation of the bioactive peptide β-CN (f193-209) (m/z 1881). The adjunct culture led to a higher ACE inhibitory activity during the ripening of Prato cheese, thus proving to be an effective strategy for the development of potentially bioactive cheese.
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203
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Bueno-Gavilá E, Abellán A, Bermejo MS, Salazar E, Cayuela JM, Prieto-Merino D, Tejada L. Characterization of Proteolytic Activity of Artichoke ( Cynara scolymus L.) Flower Extracts on Bovine Casein to Obtain Bioactive Peptides. Animals (Basel) 2020; 10:ani10050914. [PMID: 32466272 PMCID: PMC7278388 DOI: 10.3390/ani10050914] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2020] [Revised: 05/16/2020] [Accepted: 05/20/2020] [Indexed: 12/02/2022] Open
Abstract
Simple Summary Recently, dairy proteins, in addition to their basic nutritional role in the diet, were recognized as a source of bioactive peptides. Such peptides are encoded within the primary structure of the protein and can be released by enzymatic hydrolysis. The growing interest in the development of functional foods for the benefit of consumer health led to a recent increase in research on the production of bioactive peptides from different matrices and production methods. The use of aspartic proteases from stigmas of mature artichoke (Cynara scolymus L.) flowers to obtain hydrolytic enzymes (cinarases) in the production of bioactive peptides would involve the utilization of an agricultural residue of a plant species of great socio-economic importance. In the present study, the characterization of the optimal hydrolysis conditions of artichoke flower extracts was carried out for the production of peptides from bovine casein. Furthermore, the angiotensin-converting enzyme-I inhibitory activity and the antioxidant capacity against 1,1-diphenyl-2-picrylhydrazyl (DPPH) and 2,2’-azino-bis (3-ethylbenzothiazoline-6-sulphonic acid (ABTS) free radicals in vitro were determined for the obtained hydrolysates. The results revealed that the water-soluble extract of artichoke flower could be suitable for the production of bioactive peptides from whole bovine casein. Abstract The aim of this work is to establish the most suitable proteolysis conditions to obtain bovine casein hydrolysates containing peptides with antioxidant and antihypertensive capacity. To this end, the proteolytic activity of Cynara scolymus L. flower extracts was characterized on whole bovine casein, evaluating the effect of several factors (pH, temperature, substrate concentration, enzyme concentration, and hydrolysis time). The optimal conditions to carry out the hydrolysis with the C. scolymus L. extract were as follows: pH 6.2, 50 °C, and 0.023 mg·mL−1 of extract-protein concentration. A Michaelis constant (Km) value of 5.66 mg·mL−1 and a maximum rate of reaction (Vmax) of 8.47 mUAbs∙min−1 were observed. The optimal hydrolysis time was 17 h. The casein hydrolysates obtained with these conditions contained peptides with antioxidant activity (1,1-diphenyl-2-picrylhydrazyl (DPPH) radical scavenging capacity: 30.89%; Trolox equivalent antioxidant capacity (TEAC) against 2,2’-azino-bis(3-ethylbenzothiazoline-6-sulphonic acid) free radical (ABTS●+): 4.43 mM Trolox equivalent·mg−1 peptide) and antihypertensive activity, showing 55.05% angiotensin-converting enzyme-I inhibition in vitro.
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Affiliation(s)
- Estefanía Bueno-Gavilá
- Department of Human Nutrition and Food Technology, Universidad Católica de Murcia UCAM, Campus de los Jerónimos, 30107 Guadalupe (Murcia), Spain; (A.A.); (M.S.B.); (E.S.); (J.M.C.); (L.T.)
- Correspondence:
| | - Adela Abellán
- Department of Human Nutrition and Food Technology, Universidad Católica de Murcia UCAM, Campus de los Jerónimos, 30107 Guadalupe (Murcia), Spain; (A.A.); (M.S.B.); (E.S.); (J.M.C.); (L.T.)
| | - María Soledad Bermejo
- Department of Human Nutrition and Food Technology, Universidad Católica de Murcia UCAM, Campus de los Jerónimos, 30107 Guadalupe (Murcia), Spain; (A.A.); (M.S.B.); (E.S.); (J.M.C.); (L.T.)
| | - Eva Salazar
- Department of Human Nutrition and Food Technology, Universidad Católica de Murcia UCAM, Campus de los Jerónimos, 30107 Guadalupe (Murcia), Spain; (A.A.); (M.S.B.); (E.S.); (J.M.C.); (L.T.)
| | - José María Cayuela
- Department of Human Nutrition and Food Technology, Universidad Católica de Murcia UCAM, Campus de los Jerónimos, 30107 Guadalupe (Murcia), Spain; (A.A.); (M.S.B.); (E.S.); (J.M.C.); (L.T.)
| | - David Prieto-Merino
- Applied Statistical Methods in Medical Research Group, Universidad Católica de Murcia UCAM, Campus de los Jerónimos, 30107 Guadalupe (Murcia), Spain;
| | - Luis Tejada
- Department of Human Nutrition and Food Technology, Universidad Católica de Murcia UCAM, Campus de los Jerónimos, 30107 Guadalupe (Murcia), Spain; (A.A.); (M.S.B.); (E.S.); (J.M.C.); (L.T.)
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204
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Akintunde JK, Akintola TE, Aliu FH, Fajoye MO, Adimchi SO. Naringin regulates erectile dysfunction by abolition of apoptosis and inflammation through NOS/cGMP/PKG signalling pathway on exposure to Bisphenol-A in hypertensive rat model. Reprod Toxicol 2020; 95:123-136. [PMID: 32428650 DOI: 10.1016/j.reprotox.2020.05.007] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2020] [Revised: 05/11/2020] [Accepted: 05/13/2020] [Indexed: 12/13/2022]
Abstract
This study investigated the effect of naringin (NRG) on extracellular metabolism of ATP through the NOS/cGMP/PKG signaling pathway induced by Nω-nitro-L-arginine methyl ester hydrochloride (L-NAME) on exposure to Bisphenol-A (BPA) in penis. Fifty-six adult male albino rats were randomly distributed into eight (n = 7) groups. Group I: control animals, Group II was treated with 40 mg/kg L-NAME, Group III was treated with 50 mg/kg BPA, Group IV was treated with 40 mg/kg L-NAME +50 mg/kg BPA. Group V was administered with 40 mg/kg L-NAME +80 mg/kg NRG. Group VI was administered with 50 mg/kg BPA + 80 mg/kg NRG. Group VII was administered with 40 mg/kg L-NAME+50 mg/kg BPA + 80 mg/kg NRG. Lastly, group VIII was treated with 80 mg/kg NRG for 14 days. NRG prevented hypertension and erectile dysfunction by inhibiting the activities of angiotensin-converting enzymes, arginase, and phosphodiesterase-51 (PDE-51) with corresponding down-regulation of inflammatory markers including TNF-α and IL-B. Additionally, hypertensive erectile dysfunction was remarkably prevented by NRG as manifested by the declined activities of AChE, MAO-A and enzymes of ATP hydrolysis (ATPase, ADPase, AMPase and ADA) with resultant increase in NO level. Also, penile expression of antigen presenting cells, CD43 transcript, caspace-9 and tumor suppressor P53 proteins were repressed on treatment with NRG. This study validates the hypothesis that NRG may be a valuable remedy in abrogating penile inflammatory markers, apoptosis and enzymes of ATP-hydrolysis via NOS/cGMP/PKG signaling pathways in hypertensive rat model on exposure to environmental toxicant.
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Affiliation(s)
- J K Akintunde
- Applied Biochemistry and Molecular Toxicology Research Group, Department of Biochemistry, College of Biosciences, Federal University of Agriculture, Abeokuta, Nigeria.
| | - T E Akintola
- Applied Biochemistry and Molecular Toxicology Research Group, Department of Biochemistry, College of Biosciences, Federal University of Agriculture, Abeokuta, Nigeria
| | - F H Aliu
- Applied Biochemistry and Molecular Toxicology Research Group, Department of Biochemistry, College of Biosciences, Federal University of Agriculture, Abeokuta, Nigeria
| | - M O Fajoye
- Applied Biochemistry and Molecular Toxicology Research Group, Department of Biochemistry, College of Biosciences, Federal University of Agriculture, Abeokuta, Nigeria
| | - S O Adimchi
- Applied Biochemistry and Molecular Toxicology Research Group, Department of Biochemistry, College of Biosciences, Federal University of Agriculture, Abeokuta, Nigeria
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205
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Daliri EBM, Ofosu FK, Chelliah R, Lee BH, An H, Elahi F, Barathikannan K, Kim JH, Oh DH. Influence of fermented soy protein consumption on hypertension and gut microbial modulation in spontaneous hypertensive rats. BIOSCIENCE OF MICROBIOTA FOOD AND HEALTH 2020; 39:199-208. [PMID: 33117618 PMCID: PMC7573110 DOI: 10.12938/bmfh.2020-001] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/06/2020] [Accepted: 04/19/2020] [Indexed: 12/12/2022]
Abstract
Plant proteins are known to possess important bioactive peptides and have a positive
impact on gut microbial modulation. In this study, we studied the ability of a single dose
of a fermented soy protein product (P-SPI) to reduce high blood pressure in spontaneous
hypertensive rats (SHR) and how it modulates the gut microbiota after six weeks of
feeding. SHRs were fed with P-SPI, Captopril or distilled water once, and their blood
pressures were monitored from the first to twelfth-hour post-administration. Consumption
of P-SPI significantly reduced systolic and diastolic blood pressures up to the sixth hour
by 25 ± 4 mmHg and 40 ± 5 mmHg respectively. P-SPI consumption inhibited serum ACE
activity, increased superoxide dismutase activity and nitric oxide levels and reduced
malondialdehyde levels in serum. Analysis of fecal microbial 16S rRNA of hypertensive rats
revealed a significant reduction in microbial richness and diversity in the gut, while
P-SPI consumption improved microbial richness and increased diversity. Also, P-SPI feeding
significantly reduced the Firmicutes/Bacteroidetes
ratio, increased propionate- and H2S-producing bacteria and reduced
Streptococcaceae and Erysipelotrichales levels. Our
results show that P-SPI is a potential antihypertensive functional food which could
remodel the altered gut microbiota of hypertensive patients.
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Affiliation(s)
- Eric Banan-Mwine Daliri
- Department of Food Science and Biotechnology, Kangwon National University, Chuncheon 200-701, Korea
| | - Fred Kwame Ofosu
- Department of Food Science and Biotechnology, Kangwon National University, Chuncheon 200-701, Korea
| | - Ramachandran Chelliah
- Department of Food Science and Biotechnology, Kangwon National University, Chuncheon 200-701, Korea
| | - Byong H Lee
- Department of Microbiology/Immunology, McGill University, Montreal, QC, H3A 2B4, Canada.,SportBiomics, Inc., Sacramento, CA, USA
| | | | - Fazle Elahi
- Department of Food Science and Biotechnology, Kangwon National University, Chuncheon 200-701, Korea
| | - Kaliyan Barathikannan
- Department of Food Science and Biotechnology, Kangwon National University, Chuncheon 200-701, Korea
| | - Joong-Hark Kim
- R&D, Erom Company Limited, R&D Center, 111, Toegye Nonggong-ro, Chuncheon-si, Gangwon-do 24427, Korea.,Department of Medical Biotechnology, College of Biomedical Sciences, Kangwon National University, Chuncheon, Gangwon-do 24341, Korea
| | - Deog-Hwan Oh
- Department of Food Science and Biotechnology, Kangwon National University, Chuncheon 200-701, Korea
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206
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Akomolafe SF, Olasehinde TA, Oyeleye SI, Aluko TB, Adewale OO, Ijomone OM. Curcumin Administration Mitigates Cyclophosphamide-Induced Oxidative Damage and Restores Alteration of Enzymes Associated with Cognitive Function in Rats' Brain. Neurotox Res 2020; 38:199-210. [PMID: 32405958 DOI: 10.1007/s12640-020-00205-0] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2019] [Revised: 03/19/2020] [Accepted: 04/08/2020] [Indexed: 12/18/2022]
Abstract
The use of chemotherapeutic drugs is associated with oxidative damage, cognitive dysfunction, and brain damage. This study sought to investigate the neuroprotective effect of curcumin against cognitive problems associated with treatment with cyclophosphamide via assessment of biomolecules associated with cognitive function in rats' brain homogenates. Rats were divided in to five groups: Control (vehicle), CUR (curcumin [20 mg/kg]), CPA (cyclophosphamide [150 mg/kg]), CUR1 + CPA (curcumin [20 mg/kg] and cyclophosphamide [150 mg/kg]), and CPA + CUR2 (cyclophosphamide [150 mg/kg] and curcumin [20 mg/kg]). After the treatment, cognitive behavior was assessed and enzymes [cholinesterases, purinergic enzymes, arginase, and angiotensin I-converting enzyme] associated with cognitive function were examined. Oxidative stress parameters [total thiol, non-protein thiol, malondialdehyde, and nitric oxide] including the expression of caspase-3 were also assessed in rats' brain. Our results showed that curcumin improved cognitive behavior, attenuated cholinergic deficit as revealed by the inhibition of cholinesterases, and improved purinergic signaling in cyclophosphamide-treated rats. Furthermore, curcumin reduced angiotensin-I-converting enzyme and arginase activities before and after treatment with cyclophosphamide. Curcumin also improved redox balance and showed protection against cyclophosphamide-induced oxidative damage to rats' brain via an increase in protein and non-protein thiols and nitric oxide levels as well as a significant reduction in malondialdehyde levels. Curcumin also prevented neuronal degeneration in different brain regions and reduced caspase-3 expression. Hence this study suggests that pre and post-treatment with curcumin improved neurobehavior, modulates some biomarkers associated with cognitive function and exhibit neuroprotection against cyclophosphamide-induced neurotoxicity in rats.
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Affiliation(s)
| | - Tosin A Olasehinde
- Nutrition and Toxicology Division, Food Technology Department, Federal Institute of Industrial Research Oshodi, Lagos, Nigeria. .,Department of Biochemistry and Microbiology, University of Fort Hare, Alice, Eastern Cape, South Africa.
| | - Sunday Idowu Oyeleye
- Department of Biomedical Technology, Federal University of Technology Akure, Akure, Ondo State, Nigeria
| | - Tola B Aluko
- Department of Biochemistry, Faculty of Basic and Applied Sciences, Osun State University, Osogbo, Nigeria
| | - Omowumi O Adewale
- Department of Biochemistry, Faculty of Basic and Applied Sciences, Osun State University, Osogbo, Nigeria
| | - Omamuyovwi M Ijomone
- The Neuro-Lab, Department of Human Anatomy, School of Health and Health Technology, Federal University of Technology Akure, Akure, Ondo State, Nigeria
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207
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Choe J, Park B, Lee HJ, Jo C. Potential Antioxidant and Angiotensin I-converting Enzyme Inhibitory Activity in Crust of Dry-aged Beef. Sci Rep 2020; 10:7883. [PMID: 32398731 PMCID: PMC7217845 DOI: 10.1038/s41598-020-64861-0] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2019] [Accepted: 04/20/2020] [Indexed: 11/09/2022] Open
Abstract
Antioxidant activity, angiotensin I-converting enzyme (ACE) inhibitory activity, and protein profile of crust (the dried surface of dry-aged beef) were evaluated compared to unaged, wet-, and dry-aged beef. Antioxidant activity was determined using 2,2-diphenyl-1-picrylhydrazyl and 2,2'-azino-di-(3-ethylbenzthiazoline sulfonate) radical scavenging activities, ferric reducing antioxidant power, and ferrous ion chelating activity. The crust samples showed the greatest (P < 0.05) ACE inhibitory and antioxidant activity resulting from the three different mechanisms of action (radical scavenging, non-radical redox potential activity, and metal chelating) among the treatments. Small molecular weight protein bands and small peptides (<3 kDa) indicating potent bioactivity were evident in the myofibrillar protein profile of crust samples. The lowest (P < 0.05) ACE inhibitory activity was observed in unaged beef. The results indicate that crust could be utilized in various areas as a functional ingredient possessed antioxidant and ACE inhibitory activity instead of being discarded. In addition, dry aging can use for generation of functional ingredient from beef as the regime.
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Affiliation(s)
- Juhui Choe
- Department of Agricultural Biotechnology, Center for Food and Bioconvergence, and Research Institute of Agriculture and Life Sciences, Seoul National University, Seoul, 08826, Republic of Korea
| | - Bumjin Park
- Department of Agricultural Biotechnology, Center for Food and Bioconvergence, and Research Institute of Agriculture and Life Sciences, Seoul National University, Seoul, 08826, Republic of Korea
| | - Hyun Jung Lee
- Department of Agricultural Biotechnology, Center for Food and Bioconvergence, and Research Institute of Agriculture and Life Sciences, Seoul National University, Seoul, 08826, Republic of Korea
| | - Cheorun Jo
- Department of Agricultural Biotechnology, Center for Food and Bioconvergence, and Research Institute of Agriculture and Life Sciences, Seoul National University, Seoul, 08826, Republic of Korea.
- Institute of Green Bio Science and Technology, Seoul National University, Pyeongchang, 25354, Republic of Korea.
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208
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Pertiwi MGP, Marsono Y, Indrati R. In vitro gastrointestinal simulation of tempe prepared from koro kratok ( Phaseolus lunatus L.) as an angiotensin-converting enzyme inhibitor. JOURNAL OF FOOD SCIENCE AND TECHNOLOGY 2020; 57:1847-1855. [PMID: 32327795 PMCID: PMC7171025 DOI: 10.1007/s13197-019-04219-1] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Revised: 10/25/2019] [Accepted: 12/11/2019] [Indexed: 06/07/2023]
Abstract
This study investigated the formation of angiotensin-converting enzyme (ACE) inhibitory peptides from koro kratok beans tempe during gastrointestinal digestion. The absorption of bioactive peptides was also investigated in this study. Koro kratok was fermented by commercial culture including Rhizopus oligosporus for 48 h. Gastrointestinal digestion was simulated sequentially by hydrolysis of tempe protein extract with pepsin and pancreatin for 240 min. The peptide content, degree of hydrolysis, molecular weight distribution, and ACE inhibitory activity were analyzed. The absorption of ACE inhibitory peptides was evaluated using the inverted gut sac of Sprague Dawley rats. Results showed that some amino acids, such as Arg, Lys, Asp, Glu, Phe, and Leu, were predominantly found in tempe. After the hydrolysis process, cooked tempe exhibited the highest ACE inhibitory activity (90.05%). Although the ACE inhibitory activity of nonfermented koro kratok was lower than that of tempe, the increase in its inhibitory activity was too large (23.03%). The ACE inhibitory peptides from tempe showed a predominance of peptides with a molecular weight of < 1 kDa and could inhibit ACE activity by 84.34%. The majority of ACE inhibitory peptides from tempe was absorbed in the jejunum and exhibited an ACE inhibitory activity of 81.59%. Based on these results, it can be concluded that the fermentation and boiling process of koro kratok beans improved the release of ACE inhibitory peptides during the gastrointestinal digestion process and had an impact on its absorption.
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Affiliation(s)
- Made Gendis Putri Pertiwi
- Department of Food and Agricultural Product Technology, Universitas Gadjah Mada, Flora Street No. 1, Bulaksumur, Yogyakarta, 55281 Indonesia
| | - Yustinus Marsono
- Department of Food and Agricultural Product Technology, Universitas Gadjah Mada, Flora Street No. 1, Bulaksumur, Yogyakarta, 55281 Indonesia
| | - Retno Indrati
- Department of Food and Agricultural Product Technology, Universitas Gadjah Mada, Flora Street No. 1, Bulaksumur, Yogyakarta, 55281 Indonesia
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209
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Mechri S, Sellem I, Bouacem K, Jabeur F, Laribi-Habchi H, Mellouli L, Hacène H, Bouanane-Darenfed A, Jaouadi B. A biological clean processing approach for the valorization of speckled shrimp Metapenaeus monoceros by-product as a source of bioactive compounds. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2020; 27:15842-15855. [PMID: 32095964 DOI: 10.1007/s11356-020-08076-w] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/21/2019] [Accepted: 02/11/2020] [Indexed: 06/10/2023]
Abstract
The efficiency of the proteolytic strain Anoxybacillus kamchatkensis M1V in the fermentation of speckled shrimp by-product was investigated for the recovery of a deproteinized bioactive hydrolysate. The biological activities of the resulting hydrolysate were also examined by applying several antioxidant and enzyme inhibitory assays. The strain M1V was found to produce high level of protease activity (2000 U/mL) when grown in media containing only shrimp powder at 25 g/L. The crude protease displayed a significant deproteinization capabiliy, with the best efficiency (48%) being recorded for an enzyme to substrate (E/S) ratio of 30 U/mg. Following the deproteinization, chitin was recovered and the authenticity was confirmed by Fourier-transform infrared spectroscopy (FTIR) analysis. On the other hand, the obtained hydrolysate showed a significant enzymatic inhibitory potential against acetylcholinesterase, tyrosinase, amylase, and angiotensin I convertase, and a strong antioxidant activity. Graphical Abstract.
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Affiliation(s)
- Sondes Mechri
- Laboratory of Microbial Biotechnology and Engineering Enzymes (LMBEE), Centre of Biotechnology of Sfax (CBS), University of Sfax, Road of Sidi Mansour Km 6, P.O. Box 1177, 3018, Sfax, Tunisia
| | - Imen Sellem
- Laboratory of Microorganisms and Biomolecules (LMB), Centre of Biotechnology of Sfax (CBS), University of Sfax, Road of Sidi Mansour Km 6, P.O. Box 1177, 3018, Sfax, Tunisia
| | - Khelifa Bouacem
- Laboratory of Microbial Biotechnology and Engineering Enzymes (LMBEE), Centre of Biotechnology of Sfax (CBS), University of Sfax, Road of Sidi Mansour Km 6, P.O. Box 1177, 3018, Sfax, Tunisia
- Laboratory of Cellular and Molecular Biology (LCMB), Microbiology Team, Faculty of Biological Sciences (FSB), University of Sciences and Technology of Houari Boumediene (USTHB), P.O. Box 32, El Alia, Bab Ezzouar, 16111, Algiers, Algeria
| | - Fadoua Jabeur
- Laboratory of Microbial Biotechnology and Engineering Enzymes (LMBEE), Centre of Biotechnology of Sfax (CBS), University of Sfax, Road of Sidi Mansour Km 6, P.O. Box 1177, 3018, Sfax, Tunisia
| | - Hassiba Laribi-Habchi
- Laboratory of Functional Analysis of Chemical Processes (LFACP), Process Engineering Department, Faculty of Technology, University of Blida 1, Road of Soumaâ, P.O. Box 270, 09000, Blida, Algeria
| | - Lotfi Mellouli
- Laboratory of Microorganisms and Biomolecules (LMB), Centre of Biotechnology of Sfax (CBS), University of Sfax, Road of Sidi Mansour Km 6, P.O. Box 1177, 3018, Sfax, Tunisia
| | - Hocine Hacène
- Laboratory of Cellular and Molecular Biology (LCMB), Microbiology Team, Faculty of Biological Sciences (FSB), University of Sciences and Technology of Houari Boumediene (USTHB), P.O. Box 32, El Alia, Bab Ezzouar, 16111, Algiers, Algeria
| | - Amel Bouanane-Darenfed
- Laboratory of Cellular and Molecular Biology (LCMB), Microbiology Team, Faculty of Biological Sciences (FSB), University of Sciences and Technology of Houari Boumediene (USTHB), P.O. Box 32, El Alia, Bab Ezzouar, 16111, Algiers, Algeria
| | - Bassem Jaouadi
- Laboratory of Microbial Biotechnology and Engineering Enzymes (LMBEE), Centre of Biotechnology of Sfax (CBS), University of Sfax, Road of Sidi Mansour Km 6, P.O. Box 1177, 3018, Sfax, Tunisia.
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210
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Chen J, Tan L, Li C, Zhou C, Hong P, Sun S, Qian ZJ. Mechanism Analysis of a Novel Angiotensin-I-Converting Enzyme Inhibitory Peptide from Isochrysis zhanjiangensis Microalgae for Suppressing Vascular Injury in Human Umbilical Vein Endothelial Cells. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2020; 68:4411-4423. [PMID: 32212693 DOI: 10.1021/acs.jafc.0c00925] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Microalgae are primary producers with multiple nutrients in aquatic environments and mostly have applications in biological feed and fuel industry. There are few studies assessing the angiotensin-I-converting enzyme (ACE) inhibition potential of Isochrysis zhanjiangensis, other than its antioxidant potential. In this study, we evaluated a peptide from I. zhanjiangensis (PIZ, FEIHCC) and its vascular endothelial factors and mechanism in human umbilical vein endothelial cells (HUVEC). The results reveal that PIZ (IC50 = 61.38 μM) acts against ACE in a non-competitive binding mode. In addition, PIZ inhibits angiotensin II (Ang II)-induced vascular factor secretion and expression by blocking inflammation and apoptosis through nuclear factor κB (NF-κB), nuclear erythroid 2-related factor 2 (Nrf2), mitogen-activated protein kinases (MAPKs), and the serine/threonine kinase (Akt) signal pathways. This study reveals that PIZ has potential to be developed as a therapeutic agent for hypertension and provides a new method of high-value utilization of I. zhanjiangensis.
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Affiliation(s)
- Jiali Chen
- College of Food Science and Technology, School of Chemistry and Environment, Guangdong Ocean University, Zhanjiang, Guangdong 524088, People's Republic of China
| | - Li Tan
- College of Food Science and Technology, School of Chemistry and Environment, Guangdong Ocean University, Zhanjiang, Guangdong 524088, People's Republic of China
| | - Chengyong Li
- College of Food Science and Technology, School of Chemistry and Environment, Guangdong Ocean University, Zhanjiang, Guangdong 524088, People's Republic of China
- Southern Marine Science and Engineering Guangdong Laboratory, Zhanjiang, Guangdong 524088, People's Republic of China
- Shenzhen Institute of Guangdong Ocean University, Shenzhen, Guangdong 518114, People's Republic of China
| | - Chunxia Zhou
- College of Food Science and Technology, School of Chemistry and Environment, Guangdong Ocean University, Zhanjiang, Guangdong 524088, People's Republic of China
- Southern Marine Science and Engineering Guangdong Laboratory, Zhanjiang, Guangdong 524088, People's Republic of China
- Shenzhen Institute of Guangdong Ocean University, Shenzhen, Guangdong 518114, People's Republic of China
| | - Pengzhi Hong
- College of Food Science and Technology, School of Chemistry and Environment, Guangdong Ocean University, Zhanjiang, Guangdong 524088, People's Republic of China
- Southern Marine Science and Engineering Guangdong Laboratory, Zhanjiang, Guangdong 524088, People's Republic of China
| | - Shengli Sun
- College of Food Science and Technology, School of Chemistry and Environment, Guangdong Ocean University, Zhanjiang, Guangdong 524088, People's Republic of China
| | - Zhong-Ji Qian
- College of Food Science and Technology, School of Chemistry and Environment, Guangdong Ocean University, Zhanjiang, Guangdong 524088, People's Republic of China
- Southern Marine Science and Engineering Guangdong Laboratory, Zhanjiang, Guangdong 524088, People's Republic of China
- Shenzhen Institute of Guangdong Ocean University, Shenzhen, Guangdong 518114, People's Republic of China
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211
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Bakhle YS. How ACE inhibitors transformed the renin-angiotensin system. Br J Pharmacol 2020; 177:2657-2665. [PMID: 32144755 DOI: 10.1111/bph.15045] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2020] [Revised: 02/19/2020] [Accepted: 02/24/2020] [Indexed: 12/15/2022] Open
Abstract
The renin-angiotensin system (RAS) now underlies the successful treatment of almost 50% of the patients in cardiovascular medicine, with serious possibilities of extension to diabetes, Alzheimer's disease and cancer. This clinical transformation started just over 50 years ago, with the unexpected identification of a bradykinin-potentiating peptide from snake venom, as a potent inhibitor of ACE which led to the development of the first synthetic inhibitor, captopril, followed by the angiotensin receptor blockers. This article analyses the transformation of the RAS into its different stages, from academic experiments to clinical use and back to the laboratory, identifying the critical events involved, both clinical and scientific. The analysis also assesses the contributions of chance, coincidence, and conviction that were crucial in this transformation. Although questions remain, the transformation of the RAS over the past five decades provides a success story for medicine, for pharmacology, and, most significantly, for patients.
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212
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Cha JW, Yoon IS, Lee G, Kang SI, Park SY, Kim J, Heu MS. Food functionalities and bioactivities of protein isolates recovered from skipjack tuna roe by isoelectric solubilization and precipitation. Food Sci Nutr 2020; 8:1874-1887. [PMID: 32328253 PMCID: PMC7174228 DOI: 10.1002/fsn3.1470] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2018] [Revised: 01/16/2020] [Accepted: 01/29/2020] [Indexed: 11/30/2022] Open
Abstract
Four roe protein isolates (RPIs) from skipjack tuna were prepared using isoelectric solubilization (pH 11 and 12) and precipitation (pH 4.5 and 5.5) (ISP) at different pH points to evaluate their physicochemical and functional properties and in vitro bioactivities. Moisture (<6.3%) and protein (71%-77%) content were maintained. Sulfur, sodium, phosphorus, and potassium were the major elements, and glutamic acid and leucine were the prevalent amino acids (12.2-12.8 and 9.6-9.8 g/100 g protein, respectively) in RPIs. RPI-1 showed the highest buffering capacity at pH 7-12. RPIs and casein showed similar water-holding capacities. At pH 12, RPI-1(pH 11/4.5) showed the highest solubility, followed by RPI-3(pH 12/4.5), RPI-2(pH 11/5.5), and RPI-4(pH 12/5.5) (p < .05). Oil-in-water emulsifying activity indices of RPI-1 and RPI-3 significantly differed. At pH 2 and 7-12, pH-shift treatment improved the food functionality of RPIs, which was superior to positive controls (casein and hemoglobin). RPI-1 showed ABTS+ radical scavenging (102.7 μg/ml) and angiotensin-converting enzyme inhibitory activities (44.0%).
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Affiliation(s)
- Jang Woo Cha
- Department of Seafood and Aquaculture Science/Institute of Marine IndustryGyeongsang National UniversityTongyeongKorea
| | - In Seong Yoon
- Department of Seafood and Aquaculture Science/Institute of Marine IndustryGyeongsang National UniversityTongyeongKorea
| | - Gyoon‐Woo Lee
- Department of Food and Nutrition/Institute of Marine IndustryGyeongsang National UniversityJinjuKorea
| | - Sang In Kang
- Department of Seafood and Aquaculture Science/Institute of Marine IndustryGyeongsang National UniversityTongyeongKorea
| | - Sun Young Park
- Department of Seafood and Aquaculture Science/Institute of Marine IndustryGyeongsang National UniversityTongyeongKorea
| | - Jin‐Soo Kim
- Department of Seafood and Aquaculture Science/Institute of Marine IndustryGyeongsang National UniversityTongyeongKorea
- Research Center for Industrial Development of SeafoodGyeongsang National UniversityTongyeongKorea
| | - Min Soo Heu
- Department of Food and Nutrition/Institute of Marine IndustryGyeongsang National UniversityJinjuKorea
- Research Center for Industrial Development of SeafoodGyeongsang National UniversityTongyeongKorea
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213
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Chaudhary N, Sabikhi L, Hussain SA. Emblicanin rich Emblica officinalis extract encapsulated double emulsion: controlled release of bioactive during phagocytosis and in vitro digestion. JOURNAL OF FOOD SCIENCE AND TECHNOLOGY 2020; 57:1371-1381. [PMID: 32180633 PMCID: PMC7054584 DOI: 10.1007/s13197-019-04171-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Revised: 10/04/2019] [Accepted: 11/08/2019] [Indexed: 10/25/2022]
Abstract
ABSTRACT Controlled release of Emblicanin rich water soluble extract of Emblica officinalis (EEO) from the inner phase of water-in-oil-in-water type double emulsion (DE), during in vitro digestion and phagocytosis was investigated. It was observed that release of EEO (measured as total polyphenols and gallic acid by HPLC) from inner phase of DE was maximum during intestinal digestion followed by gastric and salivary digestion. Main reason was increased particle size of emulsion droplets and change in zeta potential by the action of digestive enzymes. ACE inhibitory activity and antioxidant activity [determined by ABTS (99.58 ± 7.24 mM/mL), DPPH (76.93 ± 0.93 µM/mL) and FRAP (6.34 ± 0.13 mM/mL)] was observed on the higher side in the intestinal digesta of EEO-encapsulated DE (EEODE) as compared to salivary and gastric digesta. However, reverse trend was observed in control sample (unencapsulated-EEO). Phagocytic activity of EEODE increased with increasing its concentration of 2-10 µL. These results indicated that the developed DE matrix was effective in protecting active components of EEO during harsh digestive conditions as evident by sustained/target release. This newly developed EEODE formulation can be used as functional ingredient in the preparation of different dairy and food based functional products. GRAPHIC ABSTRACT
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Affiliation(s)
- Neha Chaudhary
- Dairy Technology Division, ICAR-National Dairy Research Institute, Karnal, Haryana 132 001 India
| | - Latha Sabikhi
- Dairy Technology Division, ICAR-National Dairy Research Institute, Karnal, Haryana 132 001 India
| | - Shaik Abdul Hussain
- Dairy Technology Division, ICAR-National Dairy Research Institute, Karnal, Haryana 132 001 India
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214
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Role of using adjunct cultures in release of bioactive peptides in white-brined goat-milk cheese. Lebensm Wiss Technol 2020. [DOI: 10.1016/j.lwt.2020.109127] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
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215
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Raji V, Loganathan C, Sadhasivam G, Kandasamy S, Poomani K, Thayumanavan P. Purification of fucoxanthin from Sargassum wightii Greville and understanding the inhibition of angiotensin 1-converting enzyme: An in vitro and in silico studies. Int J Biol Macromol 2020; 148:696-703. [PMID: 31954795 DOI: 10.1016/j.ijbiomac.2020.01.140] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2019] [Revised: 01/11/2020] [Accepted: 01/15/2020] [Indexed: 02/08/2023]
Abstract
The isolation and purification of active components from the brown algae Sargassum.wightii is highly limited. In the present study, fucoxanthin was purified from S. wightii using simple methods. Ethyl acetate fraction obtained by Soxhlet extraction contained high concentration of fucoxanthin. Fucoxanthin-rich fraction was further subjected to open silica column chromatography and thin layer chromatography to obtain purified fucoxanthin. Purified fucoxanthin showed in vitro antioxidant activity. Fucoxanthin showed inhibition of angiotensin I-converting enzyme (ACE) with half maximal inhibitory value of 822.64 ± 17.69 μM. Kinetic analysis revealed mixed non-competitive inhibition with inhibitory constant of 600 μM for fucoxanthin against ACE. Molecular docking analysis showed the interaction of fucoxanthin with amino acids and zinc ion present in the active site of the human ACE. Molecular dynamics analysis demonstrated the stability of the fucoxanthin and ACE complex in in silico. These results show that S. wightii may be used as food ingredient to overcome hypertension.
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Affiliation(s)
- Vijayan Raji
- Department of Biochemistry, Periyar University, Salem, Tamil Nadu 636011, India
| | - Chitra Loganathan
- Department of Biochemistry, Periyar University, Salem, Tamil Nadu 636011, India.
| | - Gnanavel Sadhasivam
- Research and Project Centre for Chemical and Biological Science, Chemkovil, Mettur Dam, Salem, Tamil Nadu 636402, India
| | | | - Kumaradhas Poomani
- Department of Physics, Periyar University, Salem, Tamil Nadu 636011, India
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216
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Akintunde JK, Akintola TE, Hammed MO, Amoo CO, Adegoke AM, Ajisafe LO. Naringin protects against Bisphenol-A induced oculopathy as implication of cataract in hypertensive rat model. Biomed Pharmacother 2020; 126:110043. [PMID: 32172062 DOI: 10.1016/j.biopha.2020.110043] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2020] [Revised: 02/14/2020] [Accepted: 02/23/2020] [Indexed: 12/12/2022] Open
Abstract
People who have experienced high blood pressure are at greater risk of susceptibility to other health problems including oculopathy. The patients with these experiences do not have adequate treatment and those who do; spend much funds on the drug purchase. The study examines the protective effect of naringin (NRG) against ocular impairment in L-NAME induced hypertensive rat on exposure to a cellular disruptor. Fifty-six adult male albino rats were randomly distributed into eight (n = 7) groups. Group I: control animals, Group II was treated with Nω-nitro-L-arginine methyl ester hydrochloride (L-NAME), Group III was treated with 50 mg/kg Bisphenol-A, Group IV was treated with L-NAME +50 mg/kg Bisphenol-A. Group V was administered with L-NAME +80 mg/kg NRG. Group VI was administered with 50 Mg/kg BPA + 80 mg/kg NRG. Group VII was administered with L-NAME+50 mg/kg Bisphenol-A +80 mg/kg NRG. Lastly, group VIII was treated with 80 mg/kg NRG alone for 14 days. Naringin prevented hypertension and ocular dysfunction by depleting the activities of angiotensin-converting enzymes, arginase, aldose-reductase and phosphodiesterase-51 (PDE-51) with corresponding down-regulation of inflammatory markers including TNF-α and IL-B. Moreover, ocular impairment was remarkably reduced by NRG as manifested by the decreased activities of AChE, BuChE, MAO-A and enzymes of ATP hydrolysis (ATPase, ADPase, AMPase) and adenosine deaminase with resultant increased NO level. Also, ocular expression of CD43 transcript, caspaace-9 and tumor suppressor P53 proteins were suppressed on treatment with NRG. This study corroborates the view that NRG may be a useful therapy in alleviating inflammatory markers, apoptosis and metabolic nucleotides disorders via the NOS/cGMP/PKG signaling pathways in hypertensive rat model on exposure to a cellular disruptor.
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Affiliation(s)
- J K Akintunde
- Applied Biochemistry and Molecular Toxicology Research Group, Department of Biochemistry, College of Biosciences, Federal University of Agriculture, Abeokuta, Nigeria.
| | - T E Akintola
- Applied Biochemistry and Molecular Toxicology Research Group, Department of Biochemistry, College of Biosciences, Federal University of Agriculture, Abeokuta, Nigeria
| | - M O Hammed
- Applied Biochemistry and Molecular Toxicology Research Group, Department of Biochemistry, College of Biosciences, Federal University of Agriculture, Abeokuta, Nigeria
| | - C O Amoo
- Applied Biochemistry and Molecular Toxicology Research Group, Department of Biochemistry, College of Biosciences, Federal University of Agriculture, Abeokuta, Nigeria
| | - A M Adegoke
- Cancer Research and Molecular Biology Laboratories, Department of Biochemistry, Faculty of Basic Medical Sciences, College of Medicine, University of Ibadan, Nigeria
| | - L O Ajisafe
- Cancer Research and Molecular Biology Laboratories, Department of Biochemistry, Faculty of Basic Medical Sciences, College of Medicine, University of Ibadan, Nigeria
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217
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Kula E, Kocadag Kocazorbaz E, Moulahoum H, Alpat S, Zihnioglu F. Extraction and characterization of novel multifunctional peptides from Trachinus Draco (greater weever) myofibrillar proteins with ACE/DPP4 inhibitory, antioxidant, and metal chelating activities. J Food Biochem 2020; 44:e13179. [PMID: 32153045 DOI: 10.1111/jfbc.13179] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2020] [Revised: 02/12/2020] [Accepted: 02/21/2020] [Indexed: 11/26/2022]
Abstract
Marine organisms represent a great source of natural bioactive molecules, from which bioactive peptides are of great importance in biomedicine application in many diseases such as diabetes and its related complications. In this study, greater weever (Trachinus Draco) myofibrillar proteins were sequentially hydrolyzed and the different RP-HPLC purified fractions were tested for potential inhibitory activities of ACE and DPP4, in addition to metal chelation and antioxidant activities. Four fractions were found to have high levels of activity (with two peptides being multifunctional) and were subsequently sequenced using the de novo sequencing method. The results indicate that the peptides are novel and highly effective for each related activity compared to reference molecules. The current findings suggest these multifunctional peptides as promising therapeutics against oxidative stress, hypertension, and diabetes. PRACTICAL APPLICATIONS: We have described the finding of two multifunctional bioactive peptides from Trachinus Draco (greater weever) myofibrillar proteins having two or more activities. They have ACE inhibitory, DPP4 inhibitory, antioxidant, and metal chelation activities. These new peptides could be used for future biomedicine applications as a stand-alone treatment, in combination with other molecules, or as a supplement. Furthermore, after identification of their sequence in our work, it would have a great potential to be artificially synthesized. The field of food supplements could be explored further.
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Affiliation(s)
- Elif Kula
- Department of Chemistry Education, Dokuz Eylul University, Izmir, Turkey
| | | | | | - Senol Alpat
- Department of Chemistry Education, Dokuz Eylul University, Izmir, Turkey
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218
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Buhler S, Riciputi Y, Perretti G, Caboni MF, Dossena A, Sforza S, Tedeschi T. Characterization of Defatted Products Obtained from the Parmigiano-Reggiano Manufacturing Chain: Determination of Peptides and Amino Acids Content and Study of the Digestibility and Bioactive Properties. Foods 2020; 9:foods9030310. [PMID: 32182801 PMCID: PMC7143180 DOI: 10.3390/foods9030310] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2020] [Revised: 03/05/2020] [Accepted: 03/06/2020] [Indexed: 11/16/2022] Open
Abstract
Parmigiano–Reggiano (PR) is a worldwide known Italian, long ripened, hard cheese. Its inclusion in the list of cheeses bearing the protected designation of origin (PDO, EU regulation 510/2006) poses restrictions to its geographic area of production and its technological characteristics. To innovate the Parmigiano–Reggiano (PR) cheese manufacturing chain from the health and nutritional point of view, the output of defatted PR is addressed. Two defatting procedures (Soxhlet, and supercritical CO2 extraction) were tested, and the obtained products were compared in the composition of their nitrogen fraction, responsible for their nutritional, organoleptic, and bioactive functions. Free amino acids were quantified, and other nitrogen compounds (peptides, proteins, and non-proteolytic aminoacyl derivatives) were identified in the extracts and the mixtures obtained after simulated gastrointestinal digestion. Moreover, antioxidant and angiotensin converting enzyme (ACE) inhibition capacities of the digests were tested. Results obtained from the molecular and biofunctional characterization of the nitrogen fraction, show that both the defatted products keep the same nutritional properties of the whole cheese.
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Affiliation(s)
- Sofie Buhler
- Department of Food and Drug, University of Parma, Parco Area delle Scienze 27/A, I-43124 Parma, Italy; (S.B.); (A.D.); (S.S.)
| | - Ylenia Riciputi
- Department of Agro-Food Sciences and Technologies, Alma Mater Studiorum-University of Bologna, Piazza Goidanich 60, I-47521 Cesena (FC), Italy; (Y.R.); (M.F.C.)
| | - Giuseppe Perretti
- Department of Agricultural, Food and Environmental Sciences, University of Perugia, Via S. Costanzo, n.c.n., 06126 Perugia, Italy;
| | - Maria Fiorenza Caboni
- Department of Agro-Food Sciences and Technologies, Alma Mater Studiorum-University of Bologna, Piazza Goidanich 60, I-47521 Cesena (FC), Italy; (Y.R.); (M.F.C.)
| | - Arnaldo Dossena
- Department of Food and Drug, University of Parma, Parco Area delle Scienze 27/A, I-43124 Parma, Italy; (S.B.); (A.D.); (S.S.)
| | - Stefano Sforza
- Department of Food and Drug, University of Parma, Parco Area delle Scienze 27/A, I-43124 Parma, Italy; (S.B.); (A.D.); (S.S.)
| | - Tullia Tedeschi
- Department of Food and Drug, University of Parma, Parco Area delle Scienze 27/A, I-43124 Parma, Italy; (S.B.); (A.D.); (S.S.)
- Correspondence:
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219
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Taha S, El Abd M, De Gobba C, Abdel-Hamid M, Khalil E, Hassan FU, Fathy D. The multifunctional activity of water‐soluble peptides’ extract of Domiati cheese during accelerated ripening by Neutrase. J FOOD PROCESS PRES 2020. [DOI: 10.1111/jfpp.14434] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Affiliation(s)
- Soad Taha
- Dairy Science Department Faculty of Agriculture Cairo University Giza Egypt
| | - Moniur El Abd
- Dairy Science Department Faculty of Agriculture Cairo University Giza Egypt
| | - Cristian De Gobba
- Department of Food Science Faculty of Science University of Copenhagen Frederiksberg Denmark
| | | | - Ensaf Khalil
- Food Technology Research Institute Special Foods Department Agriculture Research Institute Ministry of Agriculture Giza Egypt
| | - Faiz-ul Hassan
- Institute of Animal and Dairy Sciences University of Agriculture Faisalabad Pakistan
| | - Doaa Fathy
- Food Technology Research Institute Special Foods Department Agriculture Research Institute Ministry of Agriculture Giza Egypt
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220
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Hussein FA, Chay SY, Ghanisma SBM, Zarei M, Auwal SM, Hamid AA, Ibadullah WZW, Saari N. Toxicity study and blood pressure–lowering efficacy of whey protein concentrate hydrolysate in rat models, plus peptide characterization. J Dairy Sci 2020; 103:2053-2064. [DOI: 10.3168/jds.2019-17462] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2019] [Accepted: 11/04/2019] [Indexed: 11/19/2022]
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221
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De Oliveira TV, Guimarães AP, Bressan GC, Maia ER, Coimbra JSDR, Polêto MD, De Oliveira EB. Structural and molecular bases of angiotensin-converting enzyme inhibition by bovine casein-derived peptides: an in silico molecular dynamics approach. J Biomol Struct Dyn 2020; 39:1386-1403. [PMID: 32066337 DOI: 10.1080/07391102.2020.1730243] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
The angiotensin-converting enzyme (ACE) plays a key role in blood pressure regulation process, and its inhibition is one of the main drug targets for the treatment of hypertension. Though various peptides from milk proteins are well-known for their ACE-inhibitory capacity, research devoted to understand the molecular bases of such property remain scarce, specifically for such peptides. Therefore, in this work, computational molecular docking and molecular dynamics calculations were performed to enlighten the intermolecular interactions involved in ACE inhibition by six different casein-derived peptides (FFVAPFPEVFGK, FALPQYLK, ALNEINQFYQK, YLGYLEQLLR, HQGLPQEVLNENLLR and NAVPITPTLNR). Two top ranked docking poses for each peptide (one with N- and the other C-terminal peptide extremity oriented towards the ACE active site) were selected for dynamic simulations (50 ns; GROMOS53A6 force field), and the results were correlated to in vitro ACE inhibition capacity. Two molecular features appeared to be essential for peptides to present high ACE inhibition capacity in vitro: i) to interact with the S1 active site residues (Ala354, Glu384, and Tyr523) by hydrogen bonds; ii) to interact with Zn2+ coordinated residues (His383, His387, and Glu411) by short-lenght hydrogen bonds, as observed in the cases of ALNEINQFYQK (IACE = 80.7%), NAVPITPTLNR (IACE = 80.7%), and FALPQYLK (IACE = 79.0%). Regardless of the temporal stability of these strong interactions, they promoted some disruption of Zn2+ tetrahedral coordination during the molecular dynamics trajectories, and were pointed as the main reason for the greatest ACE inhibition by these peptides. On the other hand, peptides with intermediate inhibition capacity (50% < IACE < 45%) interacted mainly by weaker interactions (e.g.: electrostatic and hydrophobic) with the Zn2+ coordinated residues, and were not able to change significantly its tetrahedral coordination structure. These findings may: i) assist the discrimination in silico of "good" and "bad" ACE-inhibitory peptides from other food sources, and/or ii) aid in designing de novo new molecules with ACE-inhibitory capacity. Communicated by Ramaswamy Sarma.
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Affiliation(s)
| | - Ana Paula Guimarães
- Departamento de Química (DEQ), Universidade Federal de Viçosa (UFV), Viçosa, MG, Brazil
| | - Gustavo Costa Bressan
- Departamento de Bioquímica e Biologia Molecular (DBB), Universidade Federal de Viçosa (UFV), Viçosa, MG, Brazil
| | - Elaine Rose Maia
- Laboratório de Estudos Estruturais Moleculares (LEEM), Instituto de Química, Universidade de Brasília, Brasília, DF, Brazil
| | | | - Marcelo Depólo Polêto
- Departamento de Biologia Geral (DBG), Universidade Federal de Viçosa (UFV), Viçosa, MG, Brazil
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222
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Rubak YT, Nuraida L, Iswantini D, Prangdimurti E. Angiotensin-I-converting enzyme inhibitory peptides in milk fermented by indigenous lactic acid bacteria. Vet World 2020; 13:345-353. [PMID: 32255978 PMCID: PMC7096298 DOI: 10.14202/vetworld.2020.345-353] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2019] [Accepted: 12/31/2019] [Indexed: 12/23/2022] Open
Abstract
Background and Aim: Fermented milk can be used to produce antihypertensive peptides. Lactic acid bacteria (LAB) with its proteolytic system hydrolyze milk protein during fermentation to produce several peptides, which include antihypertensive bioactive peptides. This study aimed to investigate the ability of indigenous LAB for the production of angiotensin-I-converting enzyme inhibitory (ACE-I) peptides in fermented milk and to characterize the ACEI peptides. Materials and Methods: Reconstituted milk (11%) inoculated with ten LAB isolates, and then incubated at 37°C until it reaches pH 4.6. The evaluation was carried out for LAB count, lactic acid concentration, peptide content, and ACE-I activity. The low molecular weight (MW) peptides (<3 kDa) were identified using Nano LC Ultimate 3000 series system Tandem Q Exactive Plus Orbitrap high-resolution mass spectrometry. Results: The result showed that the ten LAB isolates were able to produce ACE-I in fermented milk with the activities in the range of 22.78±2.55-57.36±5.40%. The activity of ACE-I above 50% produced by Lactobacillus delbrueckii BD7, Lactococcus lactis ssp. lactis BD17, and Lactobacillus kefiri YK4 and JK17, with the highest activity of ACE-I produced by L. kefiri YK4 (IC50 0.261 mg/mL) and L. kefiri JK17 (IC50 0.308 mg/mL). Results of peptide identification showed that L. kefiri YK 4 could release as many as 1329, while L. kefiri JK 17 could release 174 peptides. The peptides produced were 95% derived from casein. The other peptides were from ά-lactalbumin, β-lactoglobulin, and serum amyloid A. The peptides produced consisted of 6-19 amino acid residues, with MWs of 634-2079 Dalton and detected at 317-1093 m/z. A total of 30 peptides have been recognized based on literature searches as ACE-I peptides (sequence similarity: 100%). Conclusion: L. kefiri YK4 and JK17 are the potential to be used as starter cultures to produce the bioactive peptide as ACE-I in fermented milk.
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Affiliation(s)
- Yuliana Tandi Rubak
- Department of Food Science and Technology, Food Science Study Program, IPB University (Bogor Agricultural University), Bogor, Indonesia
| | - Lilis Nuraida
- Department of Food Science and Technology, Food Science Study Program, IPB University (Bogor Agricultural University), Bogor, Indonesia.,Southeast Asian Food and Agricultural Science and Technology Center, IPB University (Bogor Agricultural University), Bogor, Indonesia
| | - Dyah Iswantini
- Department of Chemistry; and Tropical Biopharmaca Research Center, IPB University (Bogor Agricultural University), Bogor, Indonesia
| | - Endang Prangdimurti
- Department of Food Science and Technology, Food Science Study Program, IPB University (Bogor Agricultural University), Bogor, Indonesia
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223
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Kalyan G, Junghare V, Bhattacharya S, Hazra S. Understanding structure-based dynamic interactions of antihypertensive peptides extracted from food sources. J Biomol Struct Dyn 2020; 39:635-649. [PMID: 32048568 DOI: 10.1080/07391102.2020.1715836] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
Functional foods are emerging as essential healthy nutritional component due to their abundant wellbeing benefits. Especially the food-derived peptides are considered as key components for playing their biologically active roles. One such robust therapeutics that already exploited with food peptides that help treating high blood pressure via targeting Angiotensin-Converting Enzyme (ACE). This in silico study demonstrated the inhibitory potential of antihypertensive peptides derived from food sources. This study involves an intensive structure-based analysis of enzyme-peptide interactions using Molecular Dynamics (MD) simulations. Interestingly, this study will help us to get deeper understanding on how food peptides achieve successful inhibition of ACE. In this study, the peptide-enzyme complexes revealed two binding pockets, A and B, on either side of the active site Zn atom. Pocket B has a smaller binding site volume than pocket A, comprised of β-sheets and the active site opening cleft. The interface of the binding sites showed that the enzyme structure was negative to neutral charge, and the peptide structure was positive to neutral charge. The dynamics of complex structures of seven highly potential peptides were performed for 20 ns each at 300 K. Comparative analysis of RMSD, RMSF and binding energies show the enzyme-peptide complexes and the overall stability of apo-enzyme. Importantly, two peptides AFKAWAVAR and IWHHTF showed the highest variation in their RMSD as compared to the apo-enzyme. This study will further be useful for the assessment of the characteristics to predict novel inhibitory peptides that can be generated from food proteins.Communicated by Ramaswamy H. Sarma.
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Affiliation(s)
- Gazal Kalyan
- Department of Biotechnology, Indian Institute of Technology Roorkee, Roorkee, India
| | - Vivek Junghare
- Department of Biotechnology, Indian Institute of Technology Roorkee, Roorkee, India
| | - Sourya Bhattacharya
- Department of Biotechnology, Indian Institute of Technology Roorkee, Roorkee, India
| | - Saugata Hazra
- Department of Biotechnology, Indian Institute of Technology Roorkee, Roorkee, India.,Centre of Nanotechnology, Indian Institute of Technology Roorkee, Roorkee, India
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224
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Hossain S, Khetra Y, Ganguly S, Kumar R, Sabikhi L. Effect of heat treatment on plasmin activity and bio-functional attributes of Cheddar cheese. Lebensm Wiss Technol 2020. [DOI: 10.1016/j.lwt.2019.108924] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
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225
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Zhang P, Chang C, Liu H, Li B, Yan Q, Jiang Z. Identification of novel angiotensin I-converting enzyme (ACE) inhibitory peptides from wheat gluten hydrolysate by the protease of Pseudomonas aeruginosa. J Funct Foods 2020. [DOI: 10.1016/j.jff.2019.103751] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
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226
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Cheese Whey Fermentation by Its Native Microbiota: Proteolysis and Bioactive Peptides Release with ACE-Inhibitory Activity. FERMENTATION-BASEL 2020. [DOI: 10.3390/fermentation6010019] [Citation(s) in RCA: 33] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
Cheese whey contains about 20% of the total milk protein and has high nutritional and technological value, as well as attractive biological properties. Whey protein represents an important source of bioactive peptides with beneficial effects on health (e.g., antioxidant, antidiabetic, antihypertensive, etc.). Microbiota in cheese whey can hydrolyze proteins and generate bioactive peptides through a fermentation process. The objective of this study was to evaluate the effect of temperature on the fermentation of cheese whey by its native microbiota, and the action of microbial proteolytic activity on whey proteins to release peptides with inhibitory activity of the angiotensin-converting enzyme (ACE). Whey proteins hydrolysis occurred at all incubation temperatures evaluated (32–50 °C), with the major proteolytic effect within the range of 35–42 °C. Minor whey proteins (i.e., Lf, bovine serum albumin (BSA), and IgG) were more susceptible to degradation, while β-lactoglobulin and α-lactalbumin showed major resistance to microbial proteolytic action. Alfa-amino groups increased from 36 to 360–456 µg Gly/mL after 120 h of fermentation. A higher lactic acid production (11.32–13.55 g/L) and lower pH (3.3–3.5) were also observed in the same temperature range (32–42 °C). In addition, ACE-inhibitory activity increased from 22% (unfermented whey) to 60–70% after 120 h of fermentation. These results suggest that the fermentation of cheese whey by its native microbiota represents an attractive process to give value to whey for the production of whey-based beverages or functional foods with potential antihypertensive properties.
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227
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Noorani KPM, Nazeer RA. Enzymatic Production of Two Tri-peptides on ACE-I Inhibition and Antioxidant Activities. Int J Pept Res Ther 2020. [DOI: 10.1007/s10989-020-10037-3] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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228
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Chen J, Ryu B, Zhang Y, Liang P, Li C, Zhou C, Yang P, Hong P, Qian ZJ. Comparison of an angiotensin-I-converting enzyme inhibitory peptide from tilapia (Oreochromis niloticus) with captopril: inhibition kinetics, in vivo effect, simulated gastrointestinal digestion and a molecular docking study. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 2020; 100:315-324. [PMID: 31525262 DOI: 10.1002/jsfa.10041] [Citation(s) in RCA: 44] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/07/2019] [Revised: 08/27/2019] [Accepted: 09/11/2019] [Indexed: 06/10/2023]
Abstract
BACKGROUND In order to utilize tilapia skin gelatin hydrolysate protein, which is normally discarded as industrial waste in the process of fish manufacture, we study the in vivo and in vitro angiotensin-I-converting enzyme (ACE) inhibitory activity of the peptide Leu-Ser-Gly-Tyr-Gly-Pro (LSGYGP). The aim was to provide a pharmacological basis of the development of minimal side effects of ACE inhibitors by comparative analysis with captopril in molecular docking. RESULTS This peptide from protein-rich wastes showed excellent ACE inhibitory activity (IC50 = 2.577 μmol L-1 ) and exhibited a mixed noncompetitive inhibitory pattern with Lineweaver-Burk plots. Furthermore, LSGYGP and captopril groups both showed significant decreases in blood pressure after 6 h and maintained good digestive stability over 4 h. Molecular bond interactions differentiate competitive captopril upon hydrogen bond interactions and Zn(II) interaction. The C-terminal Pro generates three interactions (hydrogen bonds, hydrophilic interactions and Van der Waals interactions) in the peptide and effectively interacts with the S1 and S2 pockets of ACE. CONCLUSION LSGYGP, with an IC50 value of 2.577 μmol L-1 , has an antihypertensive effect in spontaneously hypertensive rats. Through comparison with captopril, this study revealed that LSGYGP may be a potential food-derived ACE inhibitory peptide and could act as a functional food ingredient to prevent hypertension. © 2019 Society of Chemical Industry.
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Affiliation(s)
- Jiali Chen
- College of Food Science and Technology, Guangdong Ocean University, Zhanjiang, PR China
| | - Bomi Ryu
- Department of Marine Life Sciences, Jeju National University, Jeju, Republic of Korea
| | - YuanYuan Zhang
- College of Food Science and Technology, Guangdong Ocean University, Zhanjiang, PR China
| | - Peng Liang
- College of Food Science and Technology, Guangdong Ocean University, Zhanjiang, PR China
| | - Chengyong Li
- School of Chemistry and Environmental Science, Guangdong Ocean University, Zhanjiang, PR China
- Shenzhen Institute of Guangdong Ocean University, Shenzhen, PR China
| | - Chunxia Zhou
- College of Food Science and Technology, Guangdong Ocean University, Zhanjiang, PR China
| | - Ping Yang
- College of Food Science and Technology, Guangdong Ocean University, Zhanjiang, PR China
| | - Pengzhi Hong
- College of Food Science and Technology, Guangdong Ocean University, Zhanjiang, PR China
| | - Zhong-Ji Qian
- School of Chemistry and Environmental Science, Guangdong Ocean University, Zhanjiang, PR China
- Shenzhen Institute of Guangdong Ocean University, Shenzhen, PR China
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229
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Hussein FA, Chay SY, Zarei M, Auwal SM, Hamid AA, Wan Ibadullah WZ, Saari N. Whey Protein Concentrate as a Novel Source of Bifunctional Peptides with Angiotensin-I Converting Enzyme Inhibitory and Antioxidant Properties: RSM Study. Foods 2020; 9:foods9010064. [PMID: 31936191 PMCID: PMC7022510 DOI: 10.3390/foods9010064] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2019] [Revised: 10/07/2019] [Accepted: 10/09/2019] [Indexed: 11/16/2022] Open
Abstract
Whey protein concentrate (WPC) is a unique source of protein with numerous nutritional and functional values due to the high content of branched-chain amino acid. This study was designed to establish the optimum conditions for Alcalase-hydrolysis of WPC to produce protein hydrolysates with dual biofunctionalities of angiotensin-I converting enzyme (ACE) inhibitory and antioxidant activities via response surface methodology (RSM). The results showed that the optimum conditions were achieved at temperature = 58.2 °C, E/S ratio = 2.5%, pH = 7.5 and hydrolysis time = 361.8 min in order to obtain the maximum DH (89.2%), ACE-inhibition (98.4%), DPPH• radical scavenging activity (50.1%) and ferrous ion chelation (73.1%). The well-fitted experimental data to predicted data further validates the regression model adequacy. Current study demonstrates the potential of WPC to generate bifunctional hydrolysates with ACE inhibition and antioxidant activity. This finding fosters the use of WPC hydrolysate as a novel, natural ingredient for the development of functional food products.
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Affiliation(s)
- Fatima Abdelhameed Hussein
- Department of Food Science, Faculty of Food Science and Technology, University Putra Malaysia, Serdang, Selangor 43400, Malaysia; (F.A.H.); (S.Y.C.); (A.A.H.); (W.Z.W.I.)
- Department of Dairy Production, Faculty of Animal Production, University of Khartoum, PO Box 32, Khartoum North 13314, Sudan
| | - Shyan Yea Chay
- Department of Food Science, Faculty of Food Science and Technology, University Putra Malaysia, Serdang, Selangor 43400, Malaysia; (F.A.H.); (S.Y.C.); (A.A.H.); (W.Z.W.I.)
| | - Mohammad Zarei
- Department of Food Science and Technology, Faculty of Applied Sciences, Universiti Teknologi MARA, Shah Alam, Selangor 40450, Malaysia;
| | - Shehu Muhammad Auwal
- Department of Biochemistry, Faculty of Basic Medical Sciences, Bayero University, Kano 700231, Nigeria;
| | - Azizah Abdul Hamid
- Department of Food Science, Faculty of Food Science and Technology, University Putra Malaysia, Serdang, Selangor 43400, Malaysia; (F.A.H.); (S.Y.C.); (A.A.H.); (W.Z.W.I.)
| | - Wan Zunairah Wan Ibadullah
- Department of Food Science, Faculty of Food Science and Technology, University Putra Malaysia, Serdang, Selangor 43400, Malaysia; (F.A.H.); (S.Y.C.); (A.A.H.); (W.Z.W.I.)
| | - Nazamid Saari
- Department of Food Science, Faculty of Food Science and Technology, University Putra Malaysia, Serdang, Selangor 43400, Malaysia; (F.A.H.); (S.Y.C.); (A.A.H.); (W.Z.W.I.)
- Correspondence: ; Tel.: +603-9769-8367
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230
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Campos CP, Ribeiro MS, Rocha LA, Dellalibera-Joviliano R, Piccinato CE, Oda JMM, Joviliano EE. Carbon-Coated Stent and the Role of the Kallikrein-Kinin System in Peripheral Angioplasty. J Vasc Res 2020; 57:97-105. [PMID: 31896109 DOI: 10.1159/000504849] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2019] [Accepted: 11/18/2019] [Indexed: 01/19/2023] Open
Abstract
OBJECTIVE The purpose of this study was to investigate the clinical evolution of patients treated with carbon-coated stent, as well as its patency and the inflammatory response triggered by this process through the quantification of serum elements of the kallikrein-kinin system (KKS). METHODS This was a single-center prospective study with 27 patients with peripheral artery disease (PAD) who required percutaneous transluminal angioplasty and stenting of the iliacofemoropopliteal segment using carbon-coated stent grafts (carbostents). The blood concentrations of the total and kininogen fractions were evaluated using immunoenzymatic methods. Plasma kallikrein levels were assessed by the colorimetric method and tissue kallikrein levels were evaluated by the spectrophotometric method. The activity of kininase II was measured by -fluorometric analysis. RESULTS Of the 27 patients who completed the 6 months of the study (11 iliac territory, 16 femoropopliteal territory), only one experienced restenosis (3.7%) (femoropopliteal segment) and no patient had occlusion (96.3% of patency). In 1 year, four patients were lost to follow-up and all 23 patients evaluated maintained stent patency, except for the patient who had restenosis throughout the first 6 months. We report complete (100%) member salvage in 12 months of follow-up. The activity levels of high- and low-molecular-weight kininogens decreased significantly over time (before vs. 24 h, p < 0.01; before vs. 6 months, p < 0.001, and before vs. 24 h, p < 0.01; before vs. 6 months, p < 0.001; 24 h vs. 6 months, p < 0.001, respectively). Patients also had significantly lower levels of plasma and tissue kallikrein (before vs. 24 h, p < 0.001; before vs. 6 months, p < 0.001, and before vs. 24 h, p < 0.01; before vs. 6 months, p < 0.05, respectively). There was a significant increase in the enzymatic activity of kininase II at 24 h and after 6 months compared to the pre-treatment control (p < 0.001). CONCLUSION Our early experience shows that the use of carbon-coated stents in PAD appears to be safe, with low rates of early restenosis (3.7% in the first 6 months and 5% in the 12 months of follow-up). We concluded that KKS was involved in the inflammatory response caused by the placement of carbon-coated stents.
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Affiliation(s)
- César Presto Campos
- Division of Vascular and Endovascular Surgery, Department of Surgery and Anatomy, Ribeirão Preto School of Medicine, University of São Paulo, Ribeirão Preto, Brazil.,Federal University of Mato Grosso do Sul, Três Lagoas, Brazil
| | - Maurício Serra Ribeiro
- Division of Vascular and Endovascular Surgery, Department of Surgery and Anatomy, Ribeirão Preto School of Medicine, University of São Paulo, Ribeirão Preto, Brazil
| | - Laura Andrade Rocha
- Division of Vascular and Endovascular Surgery, Department of Surgery and Anatomy, Ribeirão Preto School of Medicine, University of São Paulo, Ribeirão Preto, Brazil.,Universidade Federal de Uberlandia, Department of Surgery, Uberlandia, Brazil
| | | | - Carlos Eli Piccinato
- Division of Vascular and Endovascular Surgery, Department of Surgery and Anatomy, Ribeirão Preto School of Medicine, University of São Paulo, Ribeirão Preto, Brazil
| | | | - Edwaldo Edner Joviliano
- Division of Vascular and Endovascular Surgery, Department of Surgery and Anatomy, Ribeirão Preto School of Medicine, University of São Paulo, Ribeirão Preto, Brazil,
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231
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Abdel-Mageed W, M. Al-Saleem M, Al-Wahaibi L, Rehman M, AlAjmi M, Alkahtani R. Phenolic compounds of Heliotropium europaeum and their biological activities. Pharmacogn Mag 2020. [DOI: 10.4103/pm.pm_376_19] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023] Open
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232
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Cui P, Yang X, Li Y, Liang Q, Wang Y, Lu F, Owusu J, Huang S, Ren X, Ma H. The milk macromolecular peptide: preparation and evaluation of antihypertensive activity in rats. Food Funct 2020; 11:4403-4415. [DOI: 10.1039/d0fo00151a] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
In order to avoid the discomfort of digesting milk protein and make full use of the gastrointestinal digestive function, a milk macromolecular peptide was prepared with ACE inhibitory activity after gastrointestinal digestion as the index.
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233
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Mohd Salim MAS, Gan CY. Dual-function peptides derived from egg white ovalbumin: Bioinformatics identification with validation using in vitro assay. J Funct Foods 2020. [DOI: 10.1016/j.jff.2019.103618] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023] Open
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234
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Application of Plackett-Burman Design in Screening Casein and Prebiotics for the Production of ACE Inhibitory Peptides from Cow Milk Fermented by L. bulgaricus LB6. ACTA UNIVERSITATIS CIBINIENSIS. SERIES E: FOOD TECHNOLOGY 2019. [DOI: 10.2478/aucft-2019-0012] [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] Open
Abstract
Abstract
Prebiotics can play an important role in functional foods. In this paper, casein and five probiotics were selected to study the effects on ACE inhibitory peptides in fermented milk of L. bulgaricus LB6 through Plackett-Burman design, so as to improve the production of ACE inhibitory peptides. The results showed that xylooligosaccharides (XOS), fructosaccharide (FOS) and inulin had the most significant effect on the yield of ACE inhibitory peptides. Optimization added the amount of the three prebiotics added, that is, the amount of XOS added was 0.7%, the amount of FOS added was 1.1%, and the amount of inulin added was 0.7%. It provides a basis for subsequent optimization experiments.
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235
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Ajiboye BO, Ojo OA, Fatoba B, Afolabi OB, Olayide I, Okesola MA, Oyinloye BE. In vitro antioxidant and enzyme inhibitory properties of the n-butanol fraction of Senna podocarpa (Guill. and Perr.) leaf. J Basic Clin Physiol Pharmacol 2019; 31:jbcpp-2019-0123. [PMID: 31874099 DOI: 10.1515/jbcpp-2019-0123] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2019] [Accepted: 08/09/2019] [Indexed: 06/10/2023]
Abstract
Background This study evaluates the antioxidant activity and enzyme inhibitory properties of the n-butanol fraction of Senna podocarpa leaves on α-amylase, α-glucosidase, acetylcholinesterase (AChE), butyrylcholinesterase (BChE), tyrosinase, arginase, phosphodiesterase 5 (PDE-5), and angiotensin converting enzyme (ACE). Methods The total phenol and flavonoids, iron (Fe) chelation, and 2,2-azino-bis-3-ethylbenzothiazoline-6-sulfonic acid (ABTS) free radical scavenging were used to determine the antioxidant activity, and the inhibitory activities of α-glucosidase, α-amylase, AChE, BChE, tyrosinase, arginase, PDE-5 and ACE were also assessed. Results The n-butanol fraction of S. podocarpa shows high total phenol and total flavonoid contents. The n-butanol fraction of S. podocarpa leaves also chelates Fe2+ and ABTS radicals. The n-butanol fraction of S. podocarpa leaves also inhibited α-glucosidase, α-amylase, AChE, BChE, tyrosinase, arginase, PDE-5, and ACE at the concentration tested. Chromatographic analysis displayed the presence of β-elemene, phytol and caryophyllene oxide chrysophanol, 3-oxo-methyl ester, α-humulene, β-caryophyllene, rhein, emodin, and α-copaene. Conclusions Hence, the n-butanol fraction of S. podocarpa leaves demonstrates encouraging feat in controlling and/or managing cognitive dysfunction such as Alzheimer's disease and also hypertension, diabetes, erectile dysfunction, endothelial dysfunction, and hyperpigmentation.
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Affiliation(s)
- Basiru Olaitan Ajiboye
- Nutraceutical and Phytomedicine Research Laboratory, Biochemistry Programme, Department of Chemical Sciences, Afe Babalola University, Ado-Ekiti, Ekiti State, Nigeria, Phone: +234-7039027683
| | - Oluwafemi Adeleke Ojo
- Nutraceutical and Phytomedicine Research Laboratory, Biochemistry Programme, Department of Chemical Sciences, Afe Babalola University, Ado-Ekiti, Ekiti State, Nigeria
- Department of Biochemistry, University of Ilorin, Ilorin, Nigeria, Phone: +234-7037824647
| | - Bamidele Fatoba
- Nutraceutical and Phytomedicine Research Laboratory, Biochemistry Programme, Department of Chemical Sciences, Afe Babalola University, Ado-Ekiti, Ekiti State, Nigeria
| | - Olakunke Bamikole Afolabi
- Nutraceutical and Phytomedicine Research Laboratory, Biochemistry Programme, Department of Chemical Sciences, Afe Babalola University, Ado-Ekiti, Ekiti State, Nigeria
| | - Israel Olayide
- Nutraceutical and Phytomedicine Research Laboratory, Biochemistry Programme, Department of Chemical Sciences, Afe Babalola University, Ado-Ekiti, Ekiti State, Nigeria
| | | | - Babatunji Emmanuel Oyinloye
- Nutraceutical and Phytomedicine Research Laboratory, Biochemistry Programme, Department of Chemical Sciences, Afe Babalola University, Ado-Ekiti, Ekiti State, Nigeria
- Biotechnology and Structural Biology (BSB) Group, Department of Biochemistry and Microbiology, University of Zululand, KwaDlangezwa 3886, South Africa
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236
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Chen L, Shangguan W, Bao C, Shu G, Chen H. Collaborative optimization and molecular docking exploration of novel ACE-inhibitory peptides from bovine milk by complex proteases hydrolysis. ARTIFICIAL CELLS NANOMEDICINE AND BIOTECHNOLOGY 2019; 48:180-187. [DOI: 10.1080/21691401.2019.1699824] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Li Chen
- College of Food Engineering and Nutritional Science, Shaanxi Normal University, Xi’an, PR China
| | - Wenfei Shangguan
- School of Food and Biological Engineering, Shaanxi University of Science and Technology, Xi’an, PR China
| | - Chunju Bao
- School of Food and Biological Engineering, Shaanxi University of Science and Technology, Xi’an, PR China
| | - Guowei Shu
- School of Food and Biological Engineering, Shaanxi University of Science and Technology, Xi’an, PR China
| | - He Chen
- School of Food and Biological Engineering, Shaanxi University of Science and Technology, Xi’an, PR China
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237
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Saliu JA, Oyeleye SI, Olasehinde TA, Oboh G. Modulatory effects of stonebreaker (Phyllanthus amarus) and bitter gourd (Momordica charantia) on enzymes linked with cardiac function in heart tissue of doxorubicin-stressed rats. Drug Chem Toxicol 2019; 45:331-339. [DOI: 10.1080/01480545.2019.1700271] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Jamiyu A. Saliu
- Department of Biochemistry, Adekunle Ajasin University, Akungba-Akoko, Nigeria
| | - Sunday Idowu Oyeleye
- Biomedical Technology Department, Federal University of Technology, Akure, Nigeria
- Functional Foods and Nutraceuticals Unit, Department of Biochemistry, Federal University of Technology Akure, Akure, Nigeria
| | - Tosin A. Olasehinde
- Department of Biochemistry and Microbiology, University of Fort Hare, Alice, South Africa
- Nutrition and Toxicology Division, Food Technology Department, Federal Institute of Industrial Research Oshodi, Akure, Nigeria
| | - Ganiyu Oboh
- Functional Foods and Nutraceuticals Unit, Department of Biochemistry, Federal University of Technology Akure, Akure, Nigeria
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238
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Qian B, Tian C, Huo J, Ding Z, Xu R, Zhu J, Yu L, Villarreal OD. Design and evaluation of four novel tripeptides as potent angiotensin converting enzyme (ACE) inhibitors with anti-hypertension activity. Peptides 2019; 122:170171. [PMID: 31614165 DOI: 10.1016/j.peptides.2019.170171] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/06/2019] [Revised: 09/25/2019] [Accepted: 09/26/2019] [Indexed: 12/11/2022]
Abstract
The current study investigated the angiotensin-converting enzyme (ACE) inhibitory activity of 4 synthetic tripeptides. All the peptides showed enzyme inhibitory activity, especially two promising ones, TTP (Thea-Thea-Pro) and gAgAP (GABA-GABA-Pro), with IC50 values of 0.92 and 3.4 μmol/L, respectively. Enzyme inhibition kinetics determined by Lineweaver-Burk plots revealed that TTP and gAgAP were competitive inhibitors with Ki values of 0.87 and 3.12 μmol/L, respectively. Molecular docking experiments confirmed that the higher inhibitory potency of TTP and gAgAP might be attributed to the formation of several critical hydrogen bonds with the active site residues in ACE. We further demonstrated that TTP and gAgAP initiated a rapid and significant decrease in systolic blood pressure (SBP) in spontaneously hypertensive rats (SHRs). TTP treatment lowered SBP to the same extent as captopril, although the duration of anti-hypertensive effect was shorter in TTP group than that observed in captopril group. Moreover, the transcription levels of angiotensin II receptor type 1 (agtr1) and miR-132/-212 were downregulated in SHRs after administration of TTP and gAgAP. In particular, TTP treatment caused a comparable reduction of agtr1 levels compared to captopril treatment, while miR-132/212 expression was significantly decreased. These results showed that compound TTP might be served as a potential antihypertensive candidate.
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Affiliation(s)
- Bingjun Qian
- Department of Preventive Medicine, Research Centre of Biomedical Technology Co., Ltd. YIHS, Jiangsu Vocational College of Medicine, Jiangsu 224005, PR China.
| | - Chongchong Tian
- Department of Preventive Medicine, Research Centre of Biomedical Technology Co., Ltd. YIHS, Jiangsu Vocational College of Medicine, Jiangsu 224005, PR China
| | - Jianghua Huo
- Department of Preventive Medicine, Research Centre of Biomedical Technology Co., Ltd. YIHS, Jiangsu Vocational College of Medicine, Jiangsu 224005, PR China
| | - Zhiwen Ding
- Shanghai Institute of Cardiovascular Diseases, Zhongshan Hospital Fudan University, 180 Fenglin Road, Shanghai 200032, PR China
| | - Ran Xu
- Shanghai Institute of Cardiovascular Diseases, Zhongshan Hospital Fudan University, 180 Fenglin Road, Shanghai 200032, PR China
| | - Juan Zhu
- Department of Preventive Medicine, Research Centre of Biomedical Technology Co., Ltd. YIHS, Jiangsu Vocational College of Medicine, Jiangsu 224005, PR China
| | - Lili Yu
- Department of Preventive Medicine, Research Centre of Biomedical Technology Co., Ltd. YIHS, Jiangsu Vocational College of Medicine, Jiangsu 224005, PR China
| | - Oscar D Villarreal
- Department of Epigenetics and Molecular Carcinogenesis, The University of Texas MD Anderson Cancer Center, Smithville, TX, 77030, USA
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239
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Aiello G, Li Y, Boschin G, Bollati C, Arnoldi A, Lammi C. Chemical and biological characterization of spirulina protein hydrolysates: Focus on ACE and DPP-IV activities modulation. J Funct Foods 2019. [DOI: 10.1016/j.jff.2019.103592] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022] Open
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240
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Bueno-Gavilá E, Abellán A, Girón-Rodríguez F, Cayuela J, Salazar E, Gómez R, Tejada L. Bioactivity of hydrolysates obtained from bovine casein using artichoke (Cynara scolymus L.) proteases. J Dairy Sci 2019; 102:10711-10723. [DOI: 10.3168/jds.2019-16596] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2019] [Accepted: 07/10/2019] [Indexed: 12/20/2022]
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241
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De Oliveira TV, Polêto MD, De Oliveira MR, Silva TJ, Barros E, Guimarães VM, Baracat-Pereira MC, Eller MR, Coimbra JSDR, De Oliveira EB. Casein-Derived Peptides with Antihypertensive Potential: Production, Identification and Assessment of Complex Formation with Angiotensin I-Converting Enzyme (ACE) through Molecular Docking Studies. FOOD BIOPHYS 2019. [DOI: 10.1007/s11483-019-09616-9] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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242
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Li SN, Tang SH, He Q, Hu JX, Zheng J. In vitro antioxidant and angiotensin-converting enzyme inhibitory activity of fermented milk with different culture combinations. J Dairy Sci 2019; 103:1120-1130. [PMID: 31759585 DOI: 10.3168/jds.2019-17165] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2019] [Accepted: 10/01/2019] [Indexed: 12/17/2022]
Abstract
This study investigated the effects of Lactobacillus plantarum (Lp) and Bifidobacterium animalis ssp. lactis (Ba) in co-cultures with Streptococcus thermophilus (St) on changes in the acidification profile, proteolytic activity, peptide production, in vitro antioxidant activity, and angiotensin-converting enzyme (ACE) inhibitory properties of fermented milks during 21 d of storage at 4°C. The pH values and proteolysis in all batches showed a gradual decrease and increase during storage, respectively. The ACE-inhibitory activity and total antioxidant capacity of all co-fermented milk samples followed a similar pattern, with maximum values on d 6 of storage. The St starter, in conjunction with Ba or Lp or both, enhanced proteolysis, peptide generation, and ACE-inhibitory and antioxidant activity, but decreased pH values compared with St alone. The St-Ba-Lp samples showed higher DPPH• (1,1-diphenyl-2-picrylhydrazyl) radical scavenging activity, hydroxyl radical scavenging activity, and total antioxidant capacity, but similar superoxide anion scavenging activity compared to St-Ba or St-Lp samples. The St-Ba samples showed higher DPPH• radical scavenging activity but lower hydroxyl radical scavenging activity than St-Lp samples. In the ACE-inhibitory assays, the St-Lp samples exhibited relatively low activity among the co-fermented milks, digested or not. The presence of Ba and Lp in fermentation together did not affect ACE-inhibitory activity in undigested fermented milks compared with the presence of Ba alone, and St-Ba-Lp fermented milks demonstrated an increase in ACE-inhibitory activity after simulated gastrointestinal digestion in storage. Pepsin digestion largely improved ACE-inhibitory activity, except in St-Lp samples, in which the activity was reduced. Further hydrolysis by trypsin reduced final activity in digestion. This study suggests that co-cultured fermentation with probiotics improves in vitro antioxidant and ACE inhibition activity in fermented milks, and this effect is partly due to the higher proteolytic activity of probiotics.
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Affiliation(s)
- S N Li
- College of Life Science and Technology, Southwest Minzu University, Chengdu 610041, P. R. China; College of Biomass Science and Engineering, Sichuan University, Chengdu 610065, P. R. China
| | - S H Tang
- College of Life Science and Technology, Southwest Minzu University, Chengdu 610041, P. R. China.
| | - Q He
- College of Biomass Science and Engineering, Sichuan University, Chengdu 610065, P. R. China.
| | - J X Hu
- College of Life Science and Technology, Southwest Minzu University, Chengdu 610041, P. R. China
| | - J Zheng
- College of Life Science and Technology, Southwest Minzu University, Chengdu 610041, P. R. China
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243
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Abachi S, Bazinet L, Beaulieu L. Antihypertensive and Angiotensin-I-Converting Enzyme (ACE)-Inhibitory Peptides from Fish as Potential Cardioprotective Compounds. Mar Drugs 2019; 17:E613. [PMID: 31671730 PMCID: PMC6891548 DOI: 10.3390/md17110613] [Citation(s) in RCA: 52] [Impact Index Per Article: 10.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2019] [Revised: 10/21/2019] [Accepted: 10/23/2019] [Indexed: 02/07/2023] Open
Abstract
The term metabolic/cardiometabolic/insulin resistance syndrome could generally be defined as the co-occurrence of several risk factors inclusive of systemic arterial hypertension. Not only that organizations, such as the world health organization (WHO) have identified high blood pressure as one of the main risk factors of the cardiometabolic syndrome, but there is also a link between the occurrence of insulin resistance/impaired glucose tolerance and hypertension that would consequently lead to type-2 diabetes (T2D). Hypertension is medicated by various classes of synthetic drugs; however, severe or mild adverse effects have been repeatedly reported. To avoid and reduce these adverse effects, natural alternatives, such as bioactive peptides derived from different sources have drawn the attention of researchers. Among all types of biologically active peptides inclusive of marine-derived ones, this paper's focus would solely be on fish and fishery by-processes' extracted peptides and products. Isolation and fractionation processes of these products alongside their structural, compositional and digestion stability characteristics have likewise been briefly discussed to better address the structure-activity relationship, expanding the reader's knowledge on research and discovery trend of fish antihypertensive biopeptides. Furthermore, drug-likeness of selected biopeptides was predicted by Lipinski's rules to differentiate a drug-like biopeptide from nondrug-like one.
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Affiliation(s)
- Soheila Abachi
- Institute of Nutrition and Functional Foods (INAF), Université Laval, Quebec, QC G1V 0A6, Canada.
- Department of Food Science, Faculty of Agricultural and Food Sciences, Université Laval, Quebec, QC G1V 0A6, Canada.
| | - Laurent Bazinet
- Institute of Nutrition and Functional Foods (INAF), Université Laval, Quebec, QC G1V 0A6, Canada.
- Department of Food Science, Faculty of Agricultural and Food Sciences, Université Laval, Quebec, QC G1V 0A6, Canada.
| | - Lucie Beaulieu
- Institute of Nutrition and Functional Foods (INAF), Université Laval, Quebec, QC G1V 0A6, Canada.
- Department of Food Science, Faculty of Agricultural and Food Sciences, Université Laval, Quebec, QC G1V 0A6, Canada.
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244
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Yeon SJ, Kim JH, Cho WY, Kim SK, Seo HG, Lee CH. In Vitro Studies of Fermented Korean Chung-Yang Hot Pepper Phenolics as Inhibitors of Key Enzymes Relevant to Hypertension and Diabetes. Foods 2019; 8:foods8100498. [PMID: 31615144 PMCID: PMC6835475 DOI: 10.3390/foods8100498] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2019] [Revised: 10/04/2019] [Accepted: 10/08/2019] [Indexed: 11/22/2022] Open
Abstract
This study was investigated to evaluate the antioxidant activity, the angiotensin I-converting enzyme (ACE) inhibition effect, and the α-amylase and α-glucosidase inhibition activities of hot pepper water extracts both before and after their fermentation. The fermented pepper water extract (FP) showed significantly higher total phenol content, 1,1-diphenyl-2-picrylhydrazyl (DPPH) radical inhibition effect, metal chelating activity and ACE inhibition activity compared to the non-fermented raw pepper water extract (RP) (p < 0.05). Meanwhile, the FP showed lower α-amylase and higher α-glucosidase inhibitory activities, but the RP showed similar levels of α-amylase and α-glucosidase inhibitory activities. Taken together, these results suggested that fermented pepper extract using water should be expected to have potentially inhibitory effects against both hyperglycemia and hypertension.
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Affiliation(s)
- Su-Jung Yeon
- Department of Agricultural, Life and Environmental Science, Tottori University, Tottori 680-8550, Japan.
| | - Ji-Han Kim
- AgResearch (Grasslands Research Centre), Palmerston North 4442, New Zealand.
| | - Won-Young Cho
- Department of Food Science and Biotechnology of Animal Resources, Konkuk University, Seoul 05029, Korea.
| | - Soo-Ki Kim
- Department of animal science and technology, Konkuk University, Seoul 05029, Korea.
| | - Han Geuk Seo
- Department of Food Science and Biotechnology of Animal Resources, Konkuk University, Seoul 05029, Korea.
| | - Chi-Ho Lee
- Department of Food Science and Biotechnology of Animal Resources, Konkuk University, Seoul 05029, Korea.
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245
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Kasiwut J, Youravong W, Sirinupong N. Angiotensin I-converting enzyme inhibitory peptides produced from tuna cooking juice hydrolysate by continuous enzymatic membrane reactor. J Food Biochem 2019; 43:e13058. [PMID: 31608485 DOI: 10.1111/jfbc.13058] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2019] [Revised: 08/29/2019] [Accepted: 09/04/2019] [Indexed: 12/01/2022]
Abstract
Angiotensin I-converting enzyme (ACE) inhibitory peptides were derived from tuna cooking juice (TCJ) hydrolysis by alcalase in the continuous enzymatic membrane reactor (cEMR) coupling with 1 kDa MWCO membrane. The permeated sample from cEMR for 510 min of hydrolysis was purified by size exclusion chromatography in Sephadex G-25 column. A fraction exhibited the highest ACE inhibitory activity was further separated by RP-HPLC, resulting two fractions showed highest ACE inhibitory activities. The molecular weight (MW) and amino acid sequences of peptides from both fractions were determined using LC-MS/MS. Two potential ACE inhibitory peptides were obtained and showed molecular weight of 959.46 and 1,141.29 Da. PRACTICAL APPLICATIONS: Tuna cooking juice (TCJ) usually was either used as protein source of feed meal or directly discharged to wastewater treatment system. However, it contains water-soluble proteins in a group of sarcoplasmic protein, which is small water-soluble proteins and easily hydrolyzed to small peptides. In this study, the active peptides, angiotensin I-converting enzyme inhibitory peptides (MW of 959.46 and 1,141.29 Da), obtained from TCJ hydrolysate and identified by LC-MS/MS would be a beneficial ingredient for nutraceuticals and functional food against hypertension.
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Affiliation(s)
- Jirawadee Kasiwut
- Department of Food Technology, Faculty of Agro-Industry, Prince of Songkla University, Hat Yai, Thailand.,Interdisciplinary Graduate School of Nutraceutical and Functional Food, Prince of Songkla University, Hat Yai, Thailand
| | - Wirote Youravong
- Department of Food Technology, Faculty of Agro-Industry, Prince of Songkla University, Hat Yai, Thailand.,Membrane Science and Technology Research Center, Prince of Songkla University, Hat Yai, Thailand
| | - Nualpun Sirinupong
- Interdisciplinary Graduate School of Nutraceutical and Functional Food, Prince of Songkla University, Hat Yai, Thailand
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246
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Hydrolysis Process Optimization and Functional Characterization of Yak Skin Gelatin Hydrolysates. J CHEM-NY 2019. [DOI: 10.1155/2019/9105605] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023] Open
Abstract
Yak (Bos grunniens) is an animal mainly living on the Tibetan Plateau. Yak skin is a valuable resource that is wasted in the meat production process. This study aimed to prepare yak skin gelatin hydrolysates (YSGH) from yak skin through enzymatic hydrolysis and investigate functional characterization of YSGH. We showed that trypsin was more effective than neutrase, papain, and pepsin in increasing the degree of hydrolysis (DH) of YSGH. The conditions of enzymatic hydrolysis were optimized using central composite design (CCD) and response surface method (RSM), and the highest DH value of 31.96% was obtained. We then analyzed the amino acid compositions and molecular weight distribution of peptides in YSGH. The obtained YSGH exhibited certain antioxidant activity and excellent ACE-inhibitory activity (IC50 = 0.991 mg/mL). In addition, the solubility (98.79%), emulsification, and foaming properties of YSGH developed here were also evaluated. With these physicochemical and biological functions, YSGH had potential applications in food, pharmaceuticals, and cosmetics as an ingredient.
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247
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Bhagyawant SS, Narvekar DT, Gupta N, Bhadkaria A, Gautam AK, Srivastava N. Chickpea (Cicer arietinum L.) Lectin Exhibit Inhibition of ACE-I, α-amylase and α-glucosidase Activity. Protein Pept Lett 2019; 26:494-501. [PMID: 30919768 DOI: 10.2174/0929866526666190327130037] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2018] [Revised: 02/25/2019] [Accepted: 03/11/2019] [Indexed: 12/27/2022]
Abstract
BACKGROUND Diabetes and hypertension are the major health concern and alleged to be of epidemic proportions. This has made it a numero uno subject at various levels of investigation. Glucosidase inhibitor provides the reasonable option in treatment of Diabetes Mellitus (DM) as it specifically targets post prandial hyperglycemia. The Angiotensin Converting Enzyme (ACE) plays an important role in hypertension. Therefore, inhibition of ACE in treatment of elevated blood pressure attracts special interest of the scientific community. Chickpea is a food legume and seeds contain carbohydrate binding protein- a lectin. Some of the biological properties of this lectin hitherto been elucidated. METHODS Purified by ion exchange chromatography, chickpea lectin was tested for its in vitro antioxidant, ACE-I inhibitory and anti-diabetic characteristic. RESULTS Lectin shows a characteristic improvement over the synthetic drugs like acarbose (oral anti-diabetic drug) and captopril (standard antihypertensive drug) when, their IC50 values are compared. Lectin significantly inhibited α-glucosidase and α-amylase in a concentration dependent manner with IC50 values of 85.41 ± 1.21 µg/ml and 65.05 ± 1.2 µg/ml compared to acarbose having IC50 70.20 ± 0.47 value of µg/ml and 50.52 ± 1.01 µg/ml respectively. β-Carotene bleaching assay showed antioxidant activity of lectin (72.3%) to be as active as Butylated Hydroxylanisole (BHA). In addition, lectin demonstrated inhibition against ACE-I with IC50 value of 57.43 ± 1.20 µg/ml compared to captopril. CONCLUSION Lectin demonstrated its antioxidant character, ACE-I inhibition and significantly inhibitory for α-glucosidase and α-amylase seems to qualify as an anti-hyperglycemic therapeutic molecule. The biological effects of chickpea lectin display potential for reducing the parameters of medically debilitating conditions. These characteristics however needs to be established under in vivo systems too viz. animals through to humans.
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Affiliation(s)
| | | | - Neha Gupta
- School of Studies in Biotechnology, Jiwaji University, Gwalior, India
| | - Amita Bhadkaria
- School of Studies in Biotechnology, Jiwaji University, Gwalior, India
| | - Ajay Kumar Gautam
- School of Studies in Biotechnology, Jiwaji University, Gwalior, India
| | - Nidhi Srivastava
- Department of Bioscience and Biotechnology, Banasthali Vidyapith, Banasthali, India
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248
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Ademiluyi AO, Oyeniran OH, Jimoh TO, Oboh G, Boligon AA. Fluted pumpkin (Telfairia occidentalis) seed modulates some markers of erectile function in isolated rat's corpus cavernosum: Influence of polyphenol and amino acid constituents. J Food Biochem 2019; 43:e13037. [PMID: 31502274 DOI: 10.1111/jfbc.13037] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2019] [Revised: 08/15/2019] [Accepted: 08/19/2019] [Indexed: 12/20/2022]
Abstract
Pumpkin seeds are often used in traditional medicine in the management of erectile dysfunction. However, there is insufficient information about the possible biochemical rationale behind this practice. Hence, this study investigated the influence of fluted pumpkin seed on critical enzymes involved in erectile function in isolated rats' corpus cavernosum in vitro. The phenolics and amino acid contents of fluted pumpkin seed were determined using HPLC-DAD and GC-PFPD analyses respectively. The aqueous extract of the fluted pumpkin seed significantly (p < .05) scavenged free radicals and inhibited PDE-5, arginase, AChE, and ACE in rats' corpus cavernosum in a concentration-dependent pattern. Quercitrin and luteolin were the most dominant phenolics, while arginine, aspartate, and cysteine were the most aboundant amino acid constituents. The positive modulatory effect of the fluted pumpkin seed on these critical markers of erectile function could be attributed to its polyphenolics and amino acid constituents. PRACTICAL APPLICATIONS: This study brought to limelight the medicinal importance of fluted pumpkin seed in erectile functions. Therefore, this seed could be used as a functional food ingredient in the management of erectile dysfunctions and also in improving erectile functions in men. In addition, the dominant phenolics and amino acid constituents of this seed might be an effective nutraceutical in enhancing erections in men.
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Affiliation(s)
- Adedayo O Ademiluyi
- Functional Foods and Nutraceutical Unit, Department of Biochemistry, Federal University of Technology Akure, Akure, Nigeria
| | - Olubukola H Oyeniran
- Functional Foods and Nutraceutical Unit, Department of Biochemistry, Federal University of Technology Akure, Akure, Nigeria
| | - Tajudeen O Jimoh
- Functional Foods and Nutraceutical Unit, Department of Biochemistry, Federal University of Technology Akure, Akure, Nigeria
| | - Ganiyu Oboh
- Functional Foods and Nutraceutical Unit, Department of Biochemistry, Federal University of Technology Akure, Akure, Nigeria
| | - Aline A Boligon
- Department of Pharmaceutical Sciences, Universidade Federal de Santa Maria, Camobi, Santa Maria, Brazil
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249
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Abouelkheir M, El-Metwally TH. Dipeptidyl peptidase-4 inhibitors can inhibit angiotensin converting enzyme. Eur J Pharmacol 2019; 862:172638. [PMID: 31491403 DOI: 10.1016/j.ejphar.2019.172638] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2019] [Revised: 08/30/2019] [Accepted: 09/02/2019] [Indexed: 12/16/2022]
Abstract
Angiotensin-1 converting enzyme inhibitors (ACEIs) improve insulin sensitivity. Inhibitors of dipeptidyl peptidase-4 (DPP-4) are anti-diabetic drugs with several cardio-renal effects. Both ACE and DPP-4 share common features. Thus, we tested if they could be inhibited by one inhibitor. First, in silico screening was used to investigate the ability of different DPP-4 inhibitors or ACEIs to interact with DPP-4 and ACE. The results of screening were then extrapolated into animal study. Fifty Sprague Dawley rats were randomly assigned into 5 groups treated with vehicle, captopril, enalapril, linagliptin or sitagliptin. Both low and high doses of each drug were tested. Baseline blood samples and samples at days 1, 8, 10, 14 were used to measure plasma DPP-4 and ACE activities and angiotensin II levels. Active glucagon-like peptide-1 (GLP-1) levels were measured after oral glucose challenge. All tested DPP-4 inhibitors could interact with ACE at a relatively reasonable binding energy while most of the ACEIs only interacted with DPP-4 at a predicted high inhibition constant. In rats, high dose of sitagliptin was able to inhibit ACE activity and reduce angiotensin II levels while linagliptin had only a mild effect. ACEIs did not significantly affect DPP-4 activity or prevent GLP-1 degradation. It seems that some DPP-4 inhibitors could inhibit ACE and this could partially explain the cardio-renal effects of these drugs. Further studies are required to determine if such inhibition could take place in clinical settings.
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Affiliation(s)
- Mohamed Abouelkheir
- Department of Pharmacology and Therapeutics, College of Medicines, Jouf University, Sakaka, Saudi Arabia; Pharmacology department, Faculty of Medicine, Mansoura University, Mansoura, Egypt.
| | - Tarek H El-Metwally
- Departments of Medical Biochemistry, Jouf University, Sakaka, Saudi Arabia; Faculty of Medicine, Assiut University, Assiut, Egypt
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250
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Bhaskar B, Ananthanarayan L. Changes in ACE inhibitory and antioxidant activities in alcalase treated idli batter and idli after fermentation. JOURNAL OF FOOD SCIENCE AND TECHNOLOGY 2019; 56:4025-4035. [PMID: 31477974 PMCID: PMC6706477 DOI: 10.1007/s13197-019-03871-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Revised: 03/13/2019] [Accepted: 06/03/2019] [Indexed: 06/10/2023]
Abstract
Idli is a cereal-legume fermented food consumed widely in India. Fermentation and addition of external enzymes have been suggested as methods for release of bioactive peptides from parent proteins. The present study was aimed at exploring the changes in angiotensin-I converting enzyme (ACE) inhibitory and antioxidant activity of 14 h fermented idli batter treated with alcalase in varied amounts (100-700 U/g batter) kept at 30 ± 2 °C. Various batter parameters along with sensory attributes of cooked idli were assessed. The viscosity (12170-7795 cP) and rise in volume (29-20 mL) of batter decreased with addition of alcalase in the batter when compared with control batter (14130 cP, 31 mL). The free amino nitrogen content and radical scavenging activity of alcalase treated batter exhibited an increase by 2-5 and 2-7 fold, respectively while ACE inhibitory activity showed a decrease in IC50 value (lowest being 52.53 ± 1.12 mg/mL of batter containing 600 U alcalase/g batter) when compared with the control fermented set. The hardness and bulk density values of control cooked idli was 0.59 kg and 0.53 g/cm3, respectively while alcalase treated idlis showed a range of 0.71-1.68 kg and 0.53-0.69 g/cm3. The overall acceptance of idli prepared from alcalase treated batters till 600 U/g batter was judged as 'good' by semi-trained panellists. Moreover, the ACE inhibitory and radical scavenging activity of cooked idli prepared from 600 U alcalase/g batter showed enhancement over the control idli. Thus, alcalase treated idli shows potential to be used as a functional food.
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Affiliation(s)
- Bincy Bhaskar
- Food Engineering and Technology Department, Institute of Chemical Technology, Nathalal Parekh Marg, Matunga, Mumbai, 400019 India
| | - Laxmi Ananthanarayan
- Food Engineering and Technology Department, Institute of Chemical Technology, Nathalal Parekh Marg, Matunga, Mumbai, 400019 India
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