Quality control method of peppermint water / 药学实践杂志

Objective To consummate a method of quality control of peppermint water .Methods Thin layer chromatog-raphy was used for the identification of peppermint oil .Gas chromatography was used for the determination of mentholum . Results The identification of peppermint oil was highly specific by TLC .The linear range of mentholum was from 5 .0-80 .0 μg/ml ,r=0 .999 9 .The average recovery of mentholum was 103 .16% and RSD was 1 .81% .Conclusion These methods were easy to operate with accurate results ,which washigh sensitivity andgoodrepeatability .This quality standard could effective-ly control the quality of peppermint water .