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首页> 美国卫生研究院文献>Journal of Zhejiang University. Science. B >Protein and hordein fraction content in barley seeds as affected by sowing date and their relations to malting quality
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Protein and hordein fraction content in barley seeds as affected by sowing date and their relations to malting quality

机译：大麦种子受播期影响的蛋白质和大麦醇溶蛋白含量及其与麦芽品质的关系

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摘要

The effect of sowing date on grain protein, hordein fraction content and malting quality of two-rowed spring barley was investigated by using ten commercial cultivars with different grain protein content and the relationships among these traits were examined. The results showed that grain protein content and B hordein content increased as the sowing date postponed and were significantly affected by sowing date, while C and D hordein contents were less influenced by sowing date. There were significant differences in grain protein and hordein fraction content among the ten cultivars. The coefficient of variation of D hordein content was much larger than that of B and C hordein contents, suggesting its greater variation caused by different sowing dates. Beta-amylase activity and diastatic power were also significantly affected by sowing date, with malt extract being less affected. Significant differences in measured malt quality were found among the ten cultivars. Grain protein was significantly correlated with B hordein and malt extract positively and negatively, respectively. There was no significant correlation between beta-amylase activity or diastatic power and grain protein content. B hordein was negatively and significantly correlated with malt extract, but no significant correlations between C hordein, D hordein and malting quality traits.
机译：利用十个不同籽粒蛋白质含量的商品栽培品种，研究了播期对两行春大麦籽粒蛋白质，大麦醇溶蛋白含量和麦芽品质的影响，并考察了这些性状之间的关系。结果表明，籽粒蛋白质含量和大麦醇溶蛋白的含量随播期的延长而增加，并且受播期的影响显着，而C和D大麦醇溶蛋白的含量受播期的影响较小。十个品种的籽粒蛋白质和大麦醇溶蛋白含量存在显着差异。 D大麦醇溶蛋白含量的变异系数比B和C大麦醇溶蛋白含量的变异系数大得多，表明其大的变异是由不同播期引起的。播期也显着影响β-淀粉酶的活性和抗糖尿病能力，而麦芽提取物的影响较小。在十个品种中，测得的麦芽质量存在显着差异。谷物蛋白与B大麦醇溶蛋白和麦芽提取物分别呈正相关和负相关。 β-淀粉酶活性或抗糖尿病能力与谷物蛋白含量之间无显着相关性。 B大麦醇溶蛋白与麦芽提取物呈负相关且显着相关，但C大麦醇溶蛋白，D大麦醇溶蛋白与麦芽品质性状之间无显着相关性。

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