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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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精釀啤酒在釀造過程中如何加速啤酒的成熟

作者：山東天泰人氣：发布日期： 2021-07-13

信息摘要：

精釀啤酒在酿造过程中会产生双乙酰，它使啤酒有一种馊饭味道。长此以往，及时啤酒設備清洗干净，这股味道也不会去掉。所以我们在储酒过程中要保持一个固定的数字，0.15mh/l,来作为精釀啤酒成熟的标志。为尽快降低啤酒中双乙酰的含量，加快啤酒的成熟，缩短啤酒的陈年期，可采取以下措施。

精釀啤酒在酿造过程中会产生双乙酰，它使啤酒有一种馊饭味道。长此以往，及时啤酒設備清洗干净，这股味道也不会去掉。所以我们在储酒过程中要保持一个固定的数字，0.15mh/l,来作为精釀啤酒成熟的标志。为尽快降低啤酒中双乙酰的含量，加快啤酒的成熟，缩短啤酒的陈年期，可采取以下措施。

①通过反馈抑制丙酮酸合成缬氨酸的途径代谢。12°P麦芽汁中a-氨基氮含量应大于180 mg / L。

②提高發酵溫度。溫度越高，反應越快。

③混合通風。結果表明，曝氣可以加速乙酰乳酸的非酶解，同時加速乙酰乳酸的合成，但總體上對雙乙酰酰基含量的降低沒有影響，是有利的。

④主發酵結束前應保持較高的分解溫度，或在發酵後應保留適量酵母，並利用酵母還原酶通過雙乙酰還原爲乙酰或2,3-丁二醇。

⑤飲用後，揮發性雙乙酰可以用發酵後産生的CO2洗滌或人工充注CO2來帶走。

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