Grain Quality of New Large-Grain Pigmented Rice Variety, Daeripjamibyeo
2013
Ryu, S.N., Korea National Open University, Seoul, Republic of Korea
Daeripjami, a novel black rice variety developed by conventional breeding has high contents of Cyanidin-3-glucoside(C3G) and a more strong antioxidant than normal black rice. This study aimed at informing ordinary people of the superiority of Daeripjami, a variety of rice proven to be superb physiologically and valuable as natural coloring, and making it popular by examing the physicochemical features of the rice. Recently, an increasing number of people in modern society are suffering from various adult diseases and atopic diseases. Therefore, in order to resolve the problem by making people consume more C3G, the main coloring contained in functional rice Daeripjami. The general components of Daeripjami, Superjami, Heugjinju and Ilpum were compared, As for water content, Ilpum took first place, followed by Heugjinju, Daeripjami and Superjami, As for crude protein and fat content, Heugjinju was highest, followed by Daeripjami, Superjami and Ilpum. This indicated that Daeripjami likely has better cooking qualities than Heugjinju. Amylose content turned out to be related with the volume, stickness and retrogradation of cook rice. As Heugjinju contained more amylose than Daeripjami, the latter was expected to have better eating quality than the former. The 1000 grain weight of daeripjami was 1.67 times heavier than that of Heugjinju. The C3G content of Daeripjami is 3.49 times higher compared with that of Heugjinju. As for total polyphenol and electron donating ability, Daeripjami was high in physiological functionality.
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