最近全国各地不少同志来信提到格瓦斯生产中遇到的一些问题,现就有关问题答复如下: 一、产品异味是怎样产生的? 这里所指的产品异味是指带有异臭味(腐败味),馊味、过重的酸味、硫化氢等味.这些杂味大都是操作不严格带来的和菌种变异引起的. 不少厂家使用的菌种不是纯菌种,而是用分割种,长期使用影响产品质量;有的异 Recently, many comrades from various parts of the country mentioned some problems encountered in the production of Gawas. My answers to the relevant questions are as follows: 1. How is the product odor produced? The product odor referred to here refers to the odor Smell), smell, excessive sour, hydrogen sulfide, etc. These miscellaneous taste are mostly caused by the operation is not strictly caused by bacteria and species variation.Many manufacturers use the species is not a pure species, but with segmentation Species, long-term use affect product quality; some different