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熱門關鍵詞：啤酒設備精釀啤酒設備酒吧啤酒設備啤酒廠設備

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精釀啤酒中定型麥汁的組成

作者：山東天泰人氣：发布日期： 2021-08-27

信息摘要：

在用啤酒設備酿造精釀啤酒时，不仅要求啤酒設備的质量要好，而且在酿酒过程中要严格执行各种操作。在麦汁煮沸过程中，不仅需要添加酒花，还需要添加乳酸，锌盐，硅藻土，硅胶等辅助的添加剂。精釀啤酒在煮沸过程中添加酒花后，麦汁的主要组成是水、麦芽分解产物及溶解酒花的固形物等。通过煮沸可以将酒花中的苦味和香味物质溶解到麦汁中,以赋予啤酒爽口的苦味和愉快的香味。煮沸后的麦汁称为定型麦汁。

在用啤酒設備酿造精釀啤酒时，不仅要求啤酒設備的质量要好，而且在酿酒过程中要严格执行各种操作。在麦汁煮沸过程中，不仅需要添加酒花，还需要添加乳酸，锌盐，硅藻土，硅胶等辅助的添加剂。精釀啤酒在煮沸过程中添加酒花后，麦汁的主要组成是水、麦芽分解产物及溶解酒花的固形物等。通过煮沸可以将酒花中的苦味和香味物质溶解到麦汁中,以赋予啤酒爽口的苦味和愉快的香味。煮沸后的麦汁称为定型麦汁。
1. 可发酵提取
约64% ~ 7%的淡麦汁可以通过酵母发酵。麦芽汁中可发酵提取物的比例主要与麦芽品质和糖化方法有关。
2. 右旋糖酐
麦汁中葡聚糖的含量与麦汁的粘度直接相关。如果-葡聚糖(用30%硫酸铵沉淀)的含量超过250 mg / L麦芽汁，可能会造成麦芽汁过滤困难。
3.麥汁中的總氮
麥芽的蛋白質含量、溶解度和糖化方法決定了麥芽中的總氮含量。添加輔料的麥汁中含氮物質含量降低。
4. 氨基氮
为避免产生更多的双乙酰前体和戊二醇，游离氨基氮应控制在180 mg / L以上。
5. 多酚类物质
麥汁中多酚的含量主要取決于大麥(不同年份收獲的大麥中多酚的含量差異很大)，而啤酒花中多酚的含量也有一定的關系。

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