期刊
LWT-FOOD SCIENCE AND TECHNOLOGY
卷 51, 期 2, 页码 492-499出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.lwt.2012.10.022
关键词
ACE; Aflatoxin; Bioactive peptides; Peanut meal; Value-added
Peanut meal (PM) is the high protein by-product remaining after commercial extraction of peanut oil. PM applications are limited because of typical high concentrations of aflatoxin. For the first time, pilot-scale extraction of protein and sequestration of aflatoxin from PM were evaluated. Aqueous PM dispersions were mixed with two commercial bentonite clays and Alcalase in a jacketed mixer, hydrolysed for 1 h, heated to inactivate protease, and solids and liquids were separated using a decanter. Liquid hydrolysates derived from this process had >90% reduction in aflatoxin when clay was present. ACE-inhibitory activities of these hydrolysates suggest a potential benefit for blood pressure regulation. The insoluble fractions from the dispersions were dried and used in a separate turkey poult feeding study. These results indicate that scale-up of this novel process is feasible and offers a means for adding value to this underutilized protein source. Published by Elsevier Ltd.
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