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Varietal Difference in Physicochemical Properties of Pigmented Rice Varieties
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  • Varietal Difference in Physicochemical Properties of Pigmented Rice Varieties
  • Varietal Difference in Physicochemical Properties of Pigmented Rice Varieties
저자명
Kang. Mi-Young,Rico. Catherine W.,Lee. Sang-Chul
간행물명
Journal of crop science and biotechnology
권/호정보
2011년|14권 2호|pp.111-118 (8 pages)
발행정보
한국작물학회
파일정보
정기간행물|ENG|
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이 논문은 한국과학기술정보연구원과 논문 연계를 통해 무료로 제공되는 원문입니다.
서지반출

기타언어초록

The physicochemical properties of pigmented (Midorimochi, Jeokjinjubyeo, and Heukmichalbyeo) and non-pigmented (Hwayoungbyeo) rice varieties were investigated. Starch from non-pigmented rice consisted mainly of large polyhedral granules that were more loosely packed than those of the non-pigmented sample. Pigmented rice showed higher linoleic acid content (36 - 40%) and hydrolysis rate (63 - 79%) but lower oleic acid content (35 - 39%), blue value (0.05 - 0.17), and viscosity values than the nonpigmented one. Significantly higher mineral content, blue value, and pasting and viscosity values were observed in the Jeokjinjubyeo sample compared to those of the other pigmented rice samples. The Midorimochi variety, on the other hand, exhibited the highest total amino acid (816.82 ng $mg^{-1}$) and sugar (0.15 - 3.35 ${mu}g;g^{-1}$) contents and the lowest pasting and viscosity values. No substantial difference in the X-ray diffraction pattern was observed among the samples. Results of this study could serve as baseline information for the quality evaluation of three pigmented rice cultivars and provide a better understanding of their potential uses and food industry applications.