Journal
JOURNAL OF CHEMICAL TECHNOLOGY AND BIOTECHNOLOGY
Volume 77, Issue 7, Pages 771-776Publisher
JOHN WILEY & SONS LTD
DOI: 10.1002/jctb.635
Keywords
carbohydrase; enzymatic extraction; oil extraction; protease; rice bran; rice bran oil; rice bran protein
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Enzymatic water-extraction of oil and proteins from rice bran was studied in a laboratory-scale set-up. The effects of the following enzymes - Celluclast 1.5L, hemicellulase, Pectinex Ultra SP-L, Viscozyme L, Alcalase 0.6L and papain - on oil and protein extraction yields, and the level of reducing sugars in the extract were investigated. The results showed that Alcalase was most effective in enhancing oil and protein extraction yields. Papain was found to be superior to all carbohydrase enzymes but it gave lower yields than Alcalase. Celluclast 1.5L, hemicellulase, Pectinex Ultra SP-L and Viscozyme L did not affect yields significantly but increased the level of reducing sugars in the extract. (C) 2002 Society of Chemical Industry.
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