小麦新品种新系籽粒氨基酸含量的表征

IF 0.4 Q4 AGRICULTURE, MULTIDISCIPLINARY
H. Hospodarenko, V. Karpenko, V. Liubych, V. Novikov
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引用次数: 4

摘要

目标测定小麦新品种籽粒中结合氨基酸的形成及其生物学价值。方法。场,物理化学,计算,分析。后果分析了小麦新品种、新品系氨基酸组成的差异。已确定,Kulundynka品种的谷物中必需氨基酸含量最高(5.18%),是标准(2.99%)的2.5倍。通过小麦/小麦杂交获得的软小麦籽粒中它们的含量比对照高1.4–1.5倍。软性品种Kulundynka的籽粒具有最高的生物学价值,因为必需氨基酸得分不低,其余品种的2-5个氨基酸得分低。软小麦品系的籽粒中只有蛋氨酸缺乏(AAS=64–74%)。结论。软小麦籽粒中氨基酸的含量在很大程度上取决于天气条件、品种和品系的选择性遗传起源。谷氨酸、脯氨酸和亮氨酸含量最高。在测试的九个软小麦样本中,只有库伦丁卡品种的种子氨基酸得分不高(91-298%),而潘诺尼库斯品种的蛋氨酸含量有限(49%)。通过小麦(Triticum aestivum L.)和小麦(Triicum spelta L.)的杂交获得的非斯佩尔特品系的籽粒中存在最佳平衡的氨基酸含量,即Р7和LPP 1314。这些品系的谷物氨基酸得分不低,蛋氨酸含量更多(AAS=64-74%),并以最佳方式满足人类日常需求。谷物对必需氨基酸具有较高的复杂估计指数和代谢系数。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Characterization of amino acid content of grain of new wheat varieties and lines
Aim. To determine the formation of bound amino acids in grain of new wheat varieties and its biological value. Methods. Field, physical-chemical, computational, analysis. Results. The differences in amino acid composi- tion of new varieties and lines of wheat were analyzed. It was established that the highest content of essential amino acids was in the grain of the Kulundynka variety (5.18 %) or 2.5 times higher compared to the standard (2.99 %). Their content in the grain of soft wheat, obtained by the hybridization of Triticum aestivum L./Triti- cum spelta L., was 1.4–1.5 times higher compared to the control. The grain of the soft variety Kulundynka had the highest biological value as the score of essential amino acids was not defi cient and the remaining varieties were defi cient in 2–5 amino acids. Only methionine was defi cient in the grain of soft wheat lines (AAS = 64– 74 %). Conclusions. The content of amino acids in soft wheat grain depends considerably on weather condi- tions, selective-genetic origin of the variety and the line. Glutamic acid, proline, and leucine were found to be most abundant. Out of nine samples of soft wheat tested, only the seed of the Kulundynka variety had a non- defi cient amino acid score (91–298 %), and in the Pannonikus variety methionine was limited (49 %). The best balanced content of amino acids is present in the grain of non-spelt lines, obtained by hybridization of Triticum aestivum L. and Triticum spelta L., namely Р 7 and LPP 1314. The grain of these lines has a non-defi cient amino acid score, more methionine (AAS = 64–74 %), and supplies human daily requirement in the best way. The grain has a high index of complex estimation and metabolization coeffi cient for essential amino acids.
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来源期刊
Agricultural Science and Practice
Agricultural Science and Practice AGRICULTURE, MULTIDISCIPLINARY-
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