期刊
FOOD RESEARCH INTERNATIONAL
卷 51, 期 2, 页码 971-976出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.foodres.2013.02.027
关键词
Sorghum; beta-Sitosterol; Tocopherols; Genotype; Cultivation location
资金
- Next-Generation BioGreen 21 Program (Plant Molecular Center), Rural Development Administration, Republic of Korea [PJ009053]
This study aims to examine variations in beta-sitosterol and alpha-, beta-, gamma-, and delta-tocopherol composition and content in sorghum grains with different genotypes and cultivation areas (Wonju and Miryang in Korea). beta-Sitosterol content was found to be higher in Wonju sorghum; however, total tocopherol content was found to be higher in Miryang sorghum. Moreover, the p-sitosterol content did not correlate with physical characteristics, including 100-seed weight and color values (L, a, and b), but it was negatively correlated with total tocopherol content. B-Tocopherol was a major tocopherol in sorghum, constituting approximately 40%-46% of the total tocopherol content, and it was highly correlated with the total tocopherol content. Furthermore, the alpha-tocopherol content also increased with increasing gamma-tocopherol content. Among the 4 tocopherols, only delta-tocopherol content correlated with physical characteristics of sorghum grain. This study deepened our knowledge of the variations in beta-sitosterol and alpha-, beta-, gamma-, and delta-tocopherol content in sorghum with respect to genotype and cultivation location. In addition, this study demonstrated a correlation between some physical characteristics of sorghum and beta-sitosterol/tocopherol content, and this information can be useful for breeding programs that develop or breed sorghum varieties or manufacture sorghum-based foods containing high amounts of beta-sitosterol and tocopherols. (C) 2013 Elsevier Ltd. All rights reserved.
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