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- W3151532014 abstract "<em>Pterygoplichthys pardalis </em>is an underutilized by-catch fish species considered as an invasive fish, which is a potential threat to Sri Lankan freshwater fishery industry. This study attempted to produce bioactive fish protein hydrolysates (FPH) using <em>P.</em> <em>pardalis</em>. Acid-aided aqueous extract of fish protein was produced and the best protein extraction (PE) was selected. The lyophilized extracts were hydrolyzed using pepsin, papain and trypsin enzymes (1:100), and were subjected to analyze antioxidant properties by DPPH scavenging assay and TBARS assay, metal chelation activity and antimicrobial activity by agar well diffusion method. The 15% citric acid sample showed the highest (p<0.05) PE yield (1.95%±0.04 w/w). The pepsin (0 hour) treated hydrolysate showed the highest (p<0.05) radical scavenging activity (79.71%±5.19). None of the hydrolysates exhibited antioxidant properties against TBARS and showed no significant difference (p>0.05) in the ferrous chelating activity (pepsin (0 hour): 52.31%±0.93, papain (9 hours): 50.95%±1.17). Antibacterial activity against <em>E. coli </em>was positive in all hydrolysates, where pepsin (0 hour) hydrolysate showed the highest activity against <em>E. coli</em>. This concludes, FPHs of acidsoluble protein of <em>P. pardalis </em>contain antioxidant properties, iron-binding activity and antibacterial activity." @default.
- W3151532014 created "2021-04-13" @default.
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- W3151532014 date "2021-04-01" @default.
- W3151532014 modified "2023-09-27" @default.
- W3151532014 title "Bioactive Properties of Fish Protein Hydrolysates from Amazon Sailfin Catfish (Pterygoplichthys pardalis) from the Victoria Reservoir in Sri Lanka" @default.
- W3151532014 doi "https://doi.org/10.4038/tar.v32i2.8469" @default.
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