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http://dx.doi.org/10.7740/kjcs.2012.57.2.127

Expression of Pigments in Black Rice during Kernel Development  

Lee, Jeom-Sig (Rice Research Division, NICS, RDA)
Jang, Jae-Ki (Rice Research Division, NICS, RDA)
Chun, A-Reum (Rice Research Division, NICS, RDA)
Choung, Myoung-Gun (Dept. of Herbal Medicine Resource, Kangwon National University)
Kim, Hye-Won (Rice Research Division, NICS, RDA)
Oh, Sea-Kwan (Rice Research Division, NICS, RDA)
Lee, Jeong-Heui (Rice Research Division, NICS, RDA)
Yoon, Mi-Ra (Rice Research Division, NICS, RDA)
Kim, Dae-Jung (Rice Research Division, NICS, RDA)
Song, You-Chun (Dept. of Functional Crop, NICS, RDA)
Publication Information
KOREAN JOURNAL OF CROP SCIENCE / v.57, no.2, 2012 , pp. 127-131 More about this Journal
Abstract
In this study we examined the changes in expression of pigments in black rice during kernel development, which were sampled at 2~3-day intervals to the 40th day after flowering. The first expression of pigment on kernels was observed on the seed coat about 5 days after flowering. At that times, the ratio of pigment expression was 0.08% of total area. The order in expression of pigments in black rice during kernel development was top first, followed by bottom, dorsal side, then ventral side. Maximum percentage of the total colored area in kernel was about 25 days after flowering. After that, the color has changed to dark purple from pale purple during kernel development after flowering. After harvesting, the non-uniform color kernels were observed. As a result, the ventral side in a kernel was a position of the non-uniform color such as a mixture of pale purple and dark purple. Also, we could be concluded that patten of pigment expression was similar in kernel development.
Keywords
pigments; black rice; grain development; anthocyanin;
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Times Cited By KSCI : 6  (Citation Analysis)
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