Journal
MOLECULES
Volume 24, Issue 6, Pages -Publisher
MDPI
DOI: 10.3390/molecules24061104
Keywords
hydrolysis; commercial proteases; collagen hydrolysate; antioxidant; anti-aging
Funding
- National Research Foundation of Korea (NRF) - Korea government (MSIP) [NRF-2014R1A2A1A11052489]
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To investigate methods for improving the processing of porcine waste, porcine skin was hydrolyzed using different commercially available proteases (Alcalase, Flavorzyme, Neutrase, Bromeline, Protamex, and Papain) under several optimal conditions. Following enzymatic hydrolysis, the collagen hydrolysates (CHs) were fractionated by molecular weight (3 kDa) via membrane ultrafiltration. The CHs were analyzed for physical properties (pH, protein recovery, free amino group content, molecular weight distribution, and amino composition) as well as for functional properties (antioxidant activities and anti-aging activities). Among the CHs, CHs hydrolyzed by Alcalase (CH-Alcalase) exhibited the highest degree of hydrolysis compared to other CHs. Both CH-Alcalase and CH-Alcalase < 3 kDa fractions showed a considerably high antioxidant activity and collagenase inhibition activity. Therefore, resulting bioactives have potential for development as antioxidants and anti-aging ingredients in the food, cosmetics, and pharmaceuticals, from animal by-products.
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