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食品研究与开发:2019,40(12):205-211
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高效液相色谱法测定猕猴桃酒中4 种有机酸含量
(1.湖北文理学院食品科学技术学院鄂西北传统发酵食品研究所,湖北 襄阳 441053;2.四川省农业科学院农产品加工研究所,四川 成都 610066)
The Content of 4 Kinds of Organic Acids in Kiwi Wine Determined by HPLC
(1.Northwest Hubei Research Institute of Traditional Fermented Food,College of Food Science and Technology,Hu Bei University of Arts and Science,Xiangyang 441053,Hubei,China;2.Institute of Agro-products Processing,Sichuan Academy of Agricultural Sciences,Chengdu 610066,Sichuan,China)
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投稿时间:2018-07-16    
中文摘要: 建立高效液相色谱法同时测定猕猴桃酒中奎宁酸、苹果酸、乳酸和柠檬酸含量的方法。色谱条件:流动相为0.01 mol/L 磷酸二氢钾溶液,pH 值为 2.90,色谱柱为 InertSustainSwift C18(250 mm×4.6 mm,5 μm),流速为 1.00 mL/min,柱温为30 ℃,进样量为20 μL,检测波长为215 nm。在此条件下,4 种有机酸精密性试验相对标准偏差值均小于0.10%,重复性试验相对标准偏差值均小于1.00%,检出限在4.50mg/L~6.60 mg/L 之间,标准曲线相关系数均在0.999 0 以上,样品加标回收率在99.25%和100.16%之间。使用该方法对10 份猕猴桃酒有机酸分析发现,奎宁酸、苹果酸和柠檬酸为猕猴桃酒中的主要有机酸,含量分别为7.83 mg/mL~8.60 mg/mL、7.17 mg/mL~7.66 mg/mL 和4.53 mg/mL~6.09 mg/mL。
Abstract:The high performance liquid chromatography (HPLC)was used for establishing a method for the simultaneous determination of quinic acid,malic acid,lactic acid and citric acid in kiwi wine.Chromatographic conditions:mobile phase was 0.01 mol/L potassium dihydrogen phosphate solution,pH value was 2.90,column was InertSustainSwift C18(250 mm×4.6 mm,5 μm),flow rate was 1.00 mL/min,column temperature was 30 ℃,injection volume was 20 μL,and detection wavelength was 215 nm.Under these conditions,the relative standard deviation of precision test of each organic acid was less than 0.10%,the relative standard deviation of reproducibility of each organic acid was less than 1.00 %,the detection limit of 4 kinds of organic acid were among 4.50 mg/L and 6.60 mg/L,the correlation coefficient of each standard curve was above 0.999 0,and the recoveries of the samples were among 99.25 % and 100.16 %.Using this method,organic acid analysis of 10 pieces of kiwi wine revealed that tonic acid,malic acid and citric acid were the main organic acids in kiwi wine,with contents of 7.83 mg/mL-8.60 mg/mL,7.17 mg/mL-7.66 mg/mL and 4.53 mg/mL-6.09 mg/mL respectively.
文章编号:201912036     中图分类号:    文献标志码:
基金项目:成都市产业集群协同创新项目(2015-cp030031-nc);湖北省荆楚卓越工程师协同育人计划(201657)
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