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1.
Food Res Int ; 168: 112706, 2023 06.
Artigo em Inglês | MEDLINE | ID: mdl-37120189

RESUMO

Investigations into ACE inhibitory properties of probiotic fermented bovine, camel, goat, and sheep milk were performed and studied for two weeks of refrigerated storage. Results from the degree of proteolysis suggested higher susceptibility of goat milk proteins, followed by sheep and camel milk proteins, to the probiotic-mediated proteolysis. ACE-inhibitory properties displayed continuous decline in ACE-IC50 values for two weeks of refrigerated storage. Overall, goat milk fermented with Pediococcus pentosaceus caused maximum ACE inhibition (IC50: 262.7 µg/mL protein equivalent), followed by camel milk (IC50: 290.9 µg/mL protein equivalent). Studies related to peptide identification and in silico analysis using HPEPDOCK score revealed presence of 11, 13, 9 and 9 peptides in fermented bovine, goat, sheep, and camel milk, respectively, with potent antihypertensive potential. The results obtained suggest that the goat and camel milk proteins demonstrated higher potential for generating antihypertensive peptides via fermentation when compared to bovine and sheep milk.


Assuntos
Animais Domésticos , Probióticos , Animais , Bovinos , Ovinos , Animais Domésticos/metabolismo , Anti-Hipertensivos/farmacologia , Camelus/metabolismo , Peptídeos/química , Proteínas do Leite , Cabras/metabolismo
2.
Food Chem ; 363: 130243, 2021 Nov 30.
Artigo em Inglês | MEDLINE | ID: mdl-34139515

RESUMO

This study investigated probiotic survival and biological functionality of the bioaccessible fraction of fermented camel milk (FCM) and fermented bovine milk (FBM) after in vitro digestion. Furthermore, untargeted metabolomic analysis was performed to identify the bioaccessible compounds in FCM and FBM, which were produced using starter bacteria (SC), a potential probiotic (Pro) or a combination thereof (SC + Pro), followed by storage (21 d). Survival of Pro and SC + Pro bacteria in FCM was higher than in FBM throughout in vitro digestion. The antioxidant activities of the bioaccessible fractions differed slightly between culture types, whereas the antiproliferative activity of SC was highest, followed by SC + Pro. Antiproliferative activity of the bioaccessible fractions of FCM was greater than for FBM. Untargeted metabolomics of FCM demonstrated discrimination between cultures and from FBM. FCM produced with SC + Pro and Pro had closer clustering than with SC. The bioaccessible fraction of FCM exhibited higher biological functionality compared to FBM.


Assuntos
Camelus , Probióticos , Animais , Bovinos , Digestão , Fermentação , Metabolômica , Leite
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