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publication name Assessment of inhibitory activity of hydrolyzed camel whey protein concentrate and its peptides against some fungi
Authors Eman Abd El Samei Bakri Nafei, ,, Ekbal Mohammed Adel Ibrahim, Hend Ahmed Elbarbary
year 2023
keywords Camel´s WPC, enzymatic hydrolysis, peptide fractions, antifungal potancy
journal American Journal of Food Science and Nutrition (AJFSN)
volume Vol - 03
issue Issue - 01
pages 297-315
publisher SDIP press
Local/International International
Paper Link Not Available
Full paper download
Supplementary materials Not Available
Abstract

The objective of this study was to investigate the antifungal activity of different concentrations (5, 10 and 20 mg/ml) of camel whey protein concentrate (WPC) and its hydrolysates against Candida albicans, Asperigillus fumigatus, Asperigillus niger and Asperigillus flavusThen, the strongest antifungal hydrolysate was further fractionated on fast performance liquid chromatography (FPLC) to separate the potent peptide subfractions at concentration of 1.45 mg/ml. The results revealed that the pepsintrypsin (P-T) hydrolysate (20 mg/ml) showed the strongest antifungal activity, followed by 20 mg/ml of both unhydrolyzed WPC and pepsin (P) hydrolysate against C.albicans, A.fumigatus, A.niger and A.flavus, respectively.However all tested conentrations of trypsin (T) hydrolysate had the lowest activity against all strains.Thus, the potent P-T hydrolysate was subjected to further fractionation and the potent lower molecular weight peptide subfractions (SFs) (< 20kDa) were SF18 against A.niger, SF14 against A.fumigatus and A.flavus, repectively and SF21 against C.albicans.Camel´s WPC, its hydrolysates and the potent peptide subfractions (SF18 and SF14) had more hydrophobic amino acids, however SF21 had more hydrophilic amino acids. Consequently, it′s concluded that P-T camel´s WPC hydrolysate can be applied as a natural effective antifungal agent

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