期刊
FOOD AND CHEMICAL TOXICOLOGY
卷 108, 期 -, 页码 467-477出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.fct.2016.09.007
关键词
Kidney beans; Nutritional composition; Phytochemicals; Antioxidant activities
资金
- Project of Science and Technology of Jiangxi Provincial Education Department [KJLD13004]
- Program for New Century Excellent Talents in University [NCET-12-0749]
- Project of Postgraduate innovation of Jiangxi Provincial Education Department [YC 2015-S027]
- Project of College Student Innovation of Nanchang University [201510403015, 20152245]
Detailed characterization in nutrients and phytochemicals with antioxidant activities of 26 kidney beans was performed. The kidney beans contained high levels of dietary fiber (29.32-46.77%), resistant starch (9.16-18.09%) and protein (22.06-32.63%) but low levels of lipid (1.05-2.83%) and sugars (1.55-9.07%). The monosaccharide composition of soluble fiber was dominated by arabinose, galactose, mannose and galacturonic acid. The ratio of essential amino acid to the total amino acid was ranged from 0.29 to 0.36. The predominant fatty acid was polyunsaturated fatty acids, accounting for 47.54-67.26% of total fatty acids. The total tocopherol content was in the range of 12.83-68.35 mu g/g, predominantly gamma-tocopherol, followed by delta-tocopherol. In addition, certain levels of total phenolics and flavonoids with respective values of 0.25-3.79 mg gallic acid equivalent/g dry weight and 0.19-7.05 mg rutin equivalent/g dry weight resulted in significant antioxidant activities. And a good correlation was observed between TPC and FRAP values (R2 = 0.8030). The results indicated that kidney beans are excellent sources of health promoting compounds. (C) 2016 Elsevier Ltd. All rights reserved.
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