5.On the basis of the refraction principle of soluble solid, the content of the soluble saltless solid in soy sauce was determined by refractometry.
基于可溶性固形物的折射原理,用折法测定酱油中可溶性无盐固形物的含量,取得了与重量法基本一致的结果。
6.In this paper, the methods about the production of low-sodium and high-potassium soy sauce were introduced. This production had a good refection in the hyperpiesia.