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首页> 外文期刊>Journal of the Institute of Brewing >Relationship Between Grain Hardness and Malting Quality of Barley (Hordeum vulgare L.)
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Relationship Between Grain Hardness and Malting Quality of Barley (Hordeum vulgare L.)

机译：大麦籽粒硬度与制麦品质的关系

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摘要

In a three-year period, protein content, polysaccharides and values of the selected malting parameters were determined in 12 varieties of barley. Hardness was assessed using the particle size index (PSI) and a Do-Corder apparatus (BRA). Significant differences in the levels of hardness between the varieties were detected. Hardness was affected by variety from 37% (PSI) and 71% (BRA). Significant correlations were determined between the PSI and extract content (0.64~(***)), Kolbach index (0.66~(***)), friability (0.57~(***)), β-glucans in wort (-0.51~(***)) and colour of malt (0.57~(***)). Significant correlations were found between BRA and content of non-starch polysaccharides in caryopses (0.64~(***)), extract (-0.62~(***)), Kolbach index (-0.70~(***)), friability (-0.70~(***)), β-glucans in wort (0.79~(***)) and wort colour (-0.56~(***)). Correlation was determined between hardness and malting quality index (PSI 0.51~(***), BRA -0.71~(***)).
机译：在三年的时间内，确定了12个大麦品种的蛋白质含量，多糖和所选制麦芽参数的值。使用粒度指数（PSI）和Do-Corder仪器（BRA）评估硬度。检测到品种之间硬度水平的显着差异。硬度受37％（PSI）和71％（BRA）的影响。麦汁中PSI与提取物含量（0.64〜（***）），Kolbach指数（0.66〜（***）），脆碎度（0.57〜（***）），麦芽汁中的β-葡聚糖之间存在显着相关性（- 0.51〜（***））和麦芽色（0.57〜（***））。结果发现，颈果蝇中的BRA与非淀粉多糖含量（0.64〜（***）），提取物（-0.62〜（***）），Kolbach指数（-0.70〜（***））之间存在显着的相关性。脆性（-0.70〜（***）），麦芽汁中的β-葡聚糖（0.79〜（***））和麦芽汁颜色（-0.56〜（***））。确定了硬度和麦芽品质指数之间的相关性（PSI 0.51〜（***），BRA -0.71〜（***））。

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