Effect of parboiling on phytochemical content, antioxidant activity and physicochemical properties of germinated red rice
文献类型: 外文期刊
第一作者: Hu, Zhanqiang
作者: Hu, Zhanqiang;Zhu, Zhiwei;Shao, Yafang;Tang, Xiaozhi;Liu, Junfei
作者机构:
关键词: Red rice;Germination;Parboiling;Phytochemicals;Antioxidant activity;Physicochemical properties
期刊名称:FOOD CHEMISTRY ( 影响因子:7.514; 五年影响因子:7.516 )
ISSN:
年卷期:
页码:
收录情况: SCI
摘要: In order to improve functional properties and palatability of germinated red rice, this study investigated differences in phytochemicals and physicochemical properties of germinated red rice at 2, 5, 10, 15 min of parboiling. Total free phenolic content and antioxidant activity of germinated red rice parboiled for 5 and 15 min was higher than that of germinated red rice. Free p-coumaric acid increased from 0.20 to 0.67 mg/100 g with parboiling time increasing from 5 to 15 min. Bound vanillic (0.17-0.27 mg/100 g) and p-coumaric acid (6.56-8.59 mg/100 g) had higher levels at 0, 2, or 5 min. During 15 min of parboiling, color difference (Delta E) increased from 0.58 to 9.09, heat enthalpy (Delta H) decreased from 4.69 to 1.94 J/g, and internal structure of rice was destroyed. Overall, parboiling time of less than 5 min was suitable to improve the quality of germinated red rice. (C) 2016 Elsevier Ltd. All rights reserved.
分类号: TS2`TS201.2
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