做甜酒为什么先酸后甜

做甜酒为什么先酸后甜
2025-03-21 19:29:27
推荐回答(3个)
回答(1):

发酵过头了就酸了。甜酒酿2-3天后,用多一点开水冲一下搅散,盖上盖,待冷却后很甜的。
放入冰箱后7-8都不会变质。 变成酸的了,是没有用开水冲或是没有放冰箱里。

扩展资料

注意事项

1.拌酒曲一定要在糯米凉透以后。否则,热糯米就把霉菌杀死了。结果 要么是酸的臭的,要么就没动静。

2.一定要密闭好。否则又酸又涩。

3. 温度低也不成。30到32摄氏度左右最好。

4.做酒酿的关键是干净,一切东西都不能沾生水和油,否则就会发霉长毛。要先把蒸米饭的器、铲米饭的铲子和发酵米酒的容器都洗净擦干,还要把您的手洗净擦干

5.如果发酵过度,糯米就空了,全是水,酒味过于浓烈。

6.如果发酵不足,糯米有生米粒,硌牙,甜味不足,酒味也不足。

7.拌酒曲的时候,如果水洒得太多了,最后糯米是空的,也不成块,一煮 就散

做甜酒如果希望得到更强的酒味,有两种方法:

1.适当延长甜酒发酵时间,比如在规定的温度下您一般放置24小时,现您可以适当长一些。

2.在制作过程中加拌甜酒曲时放少许酵母,但量一定要少。

参考资料:百度百科-甜酒

回答(2):

因为甜酒酿的发酵过程是先糖化,再酒化,再继续发酵就会让酒精转化为醋酸。

家庭自制甜酒酿属于开放式操作,在这样的操作环境下很容易感染杂菌,其中最主要的杂菌就是乳酸杆菌,它是厌氧菌,可以把甜酒酿中的糖类物质转化为乳酸,从而让甜酒酿产生酸味。

乳酸杆菌的大量生长还会导致甜酒酿的PH降低,让酵母菌凝聚变性而死亡,中止正常的发酵过程。感染醋酸菌也是导致甜酒酿发酸的常见原因,它能把酵母菌产生的酒精转化为醋酸,也会让甜酒酿产生酸味。

甜酒酿感染杂菌的主要原因就是操作过程中消毒不彻底,此外,蒸饭时未蒸透,酒曲质量有问题或饭没有摊凉就下入酒曲等等因素,也会导致杂菌感染而产生酸味。

扩展资料:做酒最好要在冬天做,(立春之前)做好的可以一直放着一年都不会坏,现在天很热做好了,一段时间就要喝要不然很快就坏了,如果冬天做酒要把他围起来放,也就是保温,要到一定的温度才会出酒,大概的温度就是用手摸感觉暖暖的就行,出酒了就可以把围的东西拿掉了。

参考资料:甜酒——百度百科

回答(3):

先酸后甜
糯米1000克。
发酵剂———甜酒曲,或称酒饼丸一颗。一般是小袋包装,每袋两颗(球或块状)

煮糯米饭。要求饭硬而不夹生,太软太烂会影响米酒质量。
操作方法:将糯米用冷水浸泡8小时左右。用电饭煲煮,水量以米的表面看不见水,侧过一点就见水为适量,15分钟即成。
1、摊凉和松散米饭。要求宜冷不能烫。太烫会烫死酵母菌,越凉越保险。操作方法,将米饭盛入一个或多个容器中,摊开散热,用手触摸米饭表面已冷即可。再集中在一个容器中,加入少量冷开水搅拌,将饭粒松散开。特别注意,不能使米饭沾上油腻,否则会使米酒发酸,不能食用。
2、加入酒曲发酵。将酒曲碾成粉末,散入米饭中搅拌均匀,将米饭压紧,中间挖个小洞,盖上盖子或封上薄膜。夏天可放在桌上,冷天可放在锅炉房的搁板上发酵,切勿将容器与锅炉接触,(在英国,夏天也可放在锅炉房中,以加速发酵时间),约24小时左右,小洞中已敞满米酒汁,尝一尝,如味甜不酸,即可食用,如味淡带酸,再等三四小时。因为米酒尚会继续发酵,酒味越来越浓,甜味越来越淡,将变成酒,所以吃不完,应存放在冰箱冷藏室中,抑制其继续发酵,则米酒会越来越甜,可存放半个多月,慢慢吃,其味无穷。

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