期刊
FOOD CHEMISTRY
卷 101, 期 3, 页码 918-923出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.foodchem.2006.02.043
关键词
cowpea; germination; high pressure; vitamin C; antioxidant capacity
The effect of high pressure treatment on the vitamin C content and antioxidant capacity of raw and germinated cowpea seeds (Vigna sinensis var. carilla) at 300, 400 and 500 MPa for 15 min at room temperature has been investigated. A considerable amount of vitamin C was detected in germinated cowpeas, but the vitamin was not detected in raw seeds. An increase on the antioxidant capacity (TEAC) in cowpea sprouts was also observed (58-67%). High pressure treatment (HP) slightly modified vitamin C content and TEAC and, after pressurization at 500 MPa, the decrease was more pronounced, although the germinated seeds submitted to this HP treatment still provided a high amount of vitamin C (15-17 mg/100 g d.m.) and the antioxidant capacity was 26-59% higher than that of the raw cowpeas. The HP process can provide minimally processed fresh-like sprouts of high quality. (c) 2006 Elsevier Ltd. All rights reserved.
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