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棉花学报  2012 

显性低酚棉新品系种仁营养品质与利用评价

DOI: 1002-7807(2012)02-0127-06, PP. 127-132

Keywords: 棉花,显性低酚,种仁,脂肪酸,氨基酸

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Abstract:

以自主选育的7个显性无腺体新品系为材料,通过种子性状考察,种仁游离棉酚、脂肪酸和氨基酸含量测定,研究了低酚棉种仁具有重要的油用、食用价值和保健功能。结果表明4个新品系种仁棉酚含量低于国家食用标准,其中苏显无154、苏显无156棉酚占种仁质量低于3mg·kg-1,成为名副其实的无酚棉新种质。低酚新品系种仁粗脂肪含量高于有酚品种,不饱和脂肪酸总含量超过70%,油酸相对含量略低于有酚品种,亚油酸、亚麻酸、棕榈油酸相对含量以及不饱和脂肪酸总含量与有酚品种相同。低酚新品系种仁色氨酸含量高于常规有酚品种,其它必需氨基酸含量以及氨基酸总含量与有酚品种相近。低酚基因Gl2e对棉花种仁脂肪酸、氨基酸组成及其含量未产生负效应。

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