真正酿造醋是指以粮食为原料酿造的醋酸溶液，除含有醋酸外，还含有少量氨基酸和其它有机酸、醇和酯等有机物，文献介绍了定性鉴别方法，本文在现有理化检验方法的基础上研究了兑制醋的定量鉴别方法，取得满意的结果。1实验部分1．1氨基氮测定法原理：酿造醋中含有少量氨基酸， Real brewing vinegar refers to the grain as the raw material brewing acetic acid solution, in addition to containing acetic acid, but also contains a small amount of amino acids and other organic acids, alcohols and esters and other organic matter, the literature describes the qualitative identification method, based on the existing physical and chemical testing methods Study on the quantitative identification of vinegar methods, and achieved satisfactory results. 1 Experimental 1.1 Amino Nitrogen Determination Principle: Brewing vinegar contains a small amount of amino acids,