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- Title
Study on Stability and Antioxidant Activity of Red Anthocyanidin Giucoside Rich Hybrid Rice, its Nutritional and Physicochemical Characteristics.
- Authors
Yuanke LIANG; FAROOQ, Muhammad Umer; Yongjun HU; Zhicheng TANG; Yujie ZHANG; Rui ZENG; Tengda ZHENG; Hla Hla EI; Xiaoying YE; Xiaomei JIA; Jianqing ZHU
- Abstract
Using HPLC, it was demonstrated that the major free phenolic compound in the pericarp and seed coat of red rice was cyanidin, which belong to anthocyanidin giucoside, exist only in the episperm of red rice as content of 1.64±0.10 mg/g. Anthocyanidin giucoside play a significant role in eliminating free radicals and reacting oxygen species (ROS) to prevent cellular oxidative stress. However, the chemical stability of anthocyanidin giucoside has been one of the major drawbacks for health applications. For longer storage, our results showed that red rice anthocyanidin giucoside could be stored with 0.3 % Vitamin C or 0.5 % NaHS03, and be protected from light, high temperature, high pH and metal ions in environment. Antioxidant activity verified that anthocyanidin giucoside performed better than Vitamin C in ferrous ions chelating activity, scavenging activities for hydroxyl and DPPH radicals. Overall, the red rice might be used as a natural antioxidant supplement applying medical treatments in future days.
- Publication
Food Science & Technology Research, 2018, Vol 24, Issue 4, p687
- ISSN
1344-6606
- Publication type
Article
- DOI
10.3136/fstr.24.687