Environmental Variation of Taxifolin Content in a Rice Variety 'Superhongmi'
2018
Ryu, S.N., Korea National Open University, Seoul, Republic of Korea
This study was conducted to obtain general information for rice breeding materials high in taxifolin content. The taxifolin was isolated from the rice variety, 'Superhongmi', and was identified by means of spectral methods and quantitative analysis using a high performance liquid chromatography (HPLC). The taxifolin content of the 'Superhongmi' variety was ranged between 32mg and 68mg per 100g seed that differs depending on cultivated regions. The taxifolin content was lower grown at mid north than those at south region. A large amount of taxifolin was found in the aleurone layer of seed as well as in the node of spike of the 'Superhongmi'. The weight of 1,000 grains was ranged between 23.5g and 27.8g that varied depending on cultivated regions. This variety showed heading in the 6th of September, and its fertility ratio was about 83% in sejong region. These results suggest that the taxifolin-rich rice variety, 'Superhongmi', is a good source of functional and stable food.
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