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醋蛾子怎样看是活的
更新时间: 2020-10-31 00:00:00  

一般活的醋蛾子在放置一段时间后会有增长的现象。所以只要观察醋蛾子是否增长就能判断醋蛾子是否存活。醋蛾子主要成分是胶膜醋酸杆菌,只能在酸性环境下生长,是陈年老醋构成的结晶。

膜醋酸菌是革兰氏阳性杆菌,菌体大小约0.6×2~3微米,能形成链并互相连结成膜,其细胞壁的主要成份是纤维素,故形成的膜具有一定的韧性。

关键词: 蛾子 怎样

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