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釀造精釀啤酒時糖化困難怎麽辦？

作者：山東天泰人氣：发布日期： 2022-03-03

信息摘要：

隨著經濟發展，人們生活水平的提高，精釀啤酒愈發受到大家歡迎。然而在啤酒釀造過程中總會遇到不同的問題，糖化困難就是其中之一。今天我們就來聊一聊如何解決這一問題。

釀造精釀啤酒時糖化困難怎麽辦？

隨著經濟發展，人們生活水平的提高，精釀啤酒愈發受到大家歡迎。然而在啤酒釀造過程中總會遇到不同的問題，糖化困難就是其中之一。今天我們就來聊一聊如何解決這一問題。
精酿啤酒設備,啤酒廠設備,開辦啤酒廠,糖化

精酿啤酒設備,啤酒廠設備,開辦啤酒廠,糖化

所谓糖化,就是將麥芽及輔料的粉碎物加水混合後,利用麥芽中含有的各種酶（或外加酶制劑），在適宜的條件（溫度、pH、時間）,將原輔料中的不溶性高分子物質逐步分解爲可溶性低分子物質,這個分解過程稱爲糖化。對麥芽而言,這個過程實際上在制麥時就已經進行,在糖化時則是分解的繼續。
精酿啤酒設備,啤酒廠設備,開辦啤酒廠,糖化

精酿啤酒設備,啤酒廠設備,開辦啤酒廠,糖化

      在糖化生产中,有时会遇到这样的情况,即醪液升温至糖化温度,并达到工艺规定的保温时间后,糖化结果仍不理想,碘反应呈紫红色甚至紫黑色。产生这种现象的主要原因是原料麦芽溶解较差，酶活性偏低(糖化力不足200°WK)这时除了适当延长糖化保温时间外,还可采取以下措施。
      ①往糖化锅中加入适量a-淀粉酶或糖化酶制剂,以弥补麦芽酶活力的不足,添加量为1~3U/g辅料,即根据辅料用量灵活掌握。先用35℃温水将酶制剂化开,然后开启糖化锅的搅拌器,使醪液转动起来,再将酶制剂加入糖化锅中。
      ②開啓糖化鍋的攪拌器,打開升溫的蒸汽閥門,適當提高醪液溫度,充分發揮a-澱粉酶的作用,加速糖化,但溫度不宜超過70℃。
      ③如糖化醪液較黏稠,可開啓攪拌器,適量兌入70℃的熱水,以提高料水比,降低醪液黏度,加速糖化。
      ④检查醪液的pH是否符合要求,如有必要用弱酸调至5.5~5.8。
     以上几种措施可单独采用,也可同时采用,视具体情况而定。并且需根据生产情况,及时调整原料配比和工艺规程,使糖化时间控制在正常范围内。

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