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1引言a-酸、B-酸及异a-酸是啤酒苦味酸的主要成分，它们的分析是啤酒花及其制品质量评价及控制的主要内容，国内主要使用光度法和电导滴定法分析，这两种方法因存在许多问题而影响测定结果，因此，国外近年已逐渐用高效液相色谱法（HPIn）分析啤酒、啤酒花及各种啤酒花制品的a
1 Introduction A-acid, B-acid and iso-a-acid is the main component of beer picric acid, their analysis is the main content of hops and their quality evaluation and control, the main use of photometry and conductivity titration analysis, which Both methods affect the determination results due to many problems. Therefore, foreign countries have gradually analyzed by high-performance liquid chromatography (HPIn) beer, hops and various hop products in recent years