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通过黄粉虫幼虫测定用于提高赖氨酸含量的大麦改良计划中的有用选择品种

Determination of useful barley selections in an improvement program for increased lysine content by larvae of Tenebrio molitor L.

作者信息

Davis G R, Sosulski F W

出版信息

Arch Int Physiol Biochim. 1977 Dec;85(5):891-904. doi: 10.3109/13813457709053290.

DOI:10.3109/13813457709053290
PMID:79369
Abstract

Larvae of the yellow mealworm, Tenebrio molitor L., Gembloux strain, race F, were reared for 4 weeks at 27 +/- 0.25 degrees C and 65 +/- 5% relative humidity. They were fed on each of 22 cultivars of barley, at the protein level occurring in harvested seed and at a protein level of 10% of dietary protein. Growth and body composition of the larvae were correlated positively and significantly with the concentrations of basic amino acids in the barleys and negatively and significantly with the concentrations of leucine. The percentage of crude protein in larval tissues can be used as a measure of available lysine in barley cultivars, and gains in fresh weight of larvae as indices of arginine concentrations. Differences were evident between the biological and chemical estimations of these amino acids. Several of the Saskatoon barley selections, derived from crosses with Hiproly, were equal to Hiproly or Risø varieties in the amounts of lysine available to the larvae.

摘要

黄粉虫(黄粉虫属,大谷盗品系,F族)幼虫在27±0.25℃和65±5%相对湿度条件下饲养4周。它们分别以22个大麦品种为食,饲料中蛋白质水平为收获种子中的水平以及日粮蛋白质的10%。幼虫的生长和身体组成与大麦中碱性氨基酸的浓度呈显著正相关,与亮氨酸的浓度呈显著负相关。幼虫组织中粗蛋白的百分比可作为衡量大麦品种中可利用赖氨酸的指标,幼虫鲜重的增加可作为精氨酸浓度的指标。这些氨基酸的生物学和化学测定之间存在明显差异。几个来自与希普罗利杂交的萨斯卡通大麦选系,在幼虫可利用的赖氨酸量方面与希普罗利或里索品种相当。

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Arch Int Physiol Biochim. 1977 Dec;85(5):891-904. doi: 10.3109/13813457709053290.
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