期刊
FOOD CHEMISTRY
卷 76, 期 3, 页码 349-356出版社
ELSEVIER SCI LTD
DOI: 10.1016/S0308-8146(01)00285-0
关键词
Lupinus angustifolius; protein isolates; chemical composition; functional properties; protein digestibility
Two types of protein isolates were prepared from Lupinus angustifolius defatted flour by alkaline extraction, with (Isolate 13) and without (Isolate A) sodium sulphite, and acid precipitation of proteins at the isoelectric point (IEP 4.3). Chemical composition. main functional properties and protein composition of L. angustifolius defatted flour and protein isolates were determined. Isolate A and B have 93.9 and 84.6% protein content, respectively, and had a balanced composition of essential amino acids, with respect to the FAO pattern except for lysine. The in vitro protein digestibility ranged between 86.3 and 93.9% for isolate A and B, respectively. (C) 2002 Elsevier Science Ltd. All rights reserved.
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