直接进样气相色谱法测定白酒中17种醛类物质  

Determination of 17 aldehydes in Baijiu(Chinese liquor)by direct injection gas chromatography

作　　者：罗玥 钟慈平 黄萍 陈燕梅 唐静 余晓琴 LUO Yue;ZHONG Ciping;HUANG Ping;CHEN Yanmei;TANG Jing;YU Xiaoqin(Sichuan Institute of Food Inspection,Chengdu,Sichuan 610000,China;Key Laboratory of Baijiu Supervising Technology for State Market Regulation,Chengdu,Sichuan 610000,China;Chengdu University,Chengdu,Sichuan 610000,China)

机构地区：[1]四川省食品检验研究院,四川成都610000 [2]国家市场监管重点实验室〔白酒监管技术〕,四川成都610000 [3]成都大学,四川成都610000

出　　处：《食品与机械》2023年第10期62-68,共7页Food and Machinery

基　　金：四川省科技计划项目(编号:2023YFS0398);四川省市场监督管理局科技计划项目(编号:SCSJS2023015);四川省食品检验研究院院立科研项目(编号:SFIK-YL-2022-09)。

摘　　要：目的:探究白酒中醛类物质含量情况。方法:建立白酒中17种醛类物质测定方法,并运用统计学方法进行性能指标研究。结果:经过统计学分析确定白酒中17种醛类物质检出限为0.7~5.9 mg/L,定量限为1.9~14.6 mg/L,在0.6~320.0 mg/L质量浓度范围内通过标准曲线质量检验,线性关系满足要求,加标回收率为73%~114%,实验室内变异系数≤11%,正确度偏差范围为-18.7%~8.0%。结论:该方法可用于白酒中多种醛类物质测定。Objective:To explore the content of aldehydes in Baijiu.Methods:A method for the determination of 17 aldehydes in Baijiu was established,and the methodological performance indexes were studied using statistics.Results:Through statistical analysis,the detection limit of 17 aldehydes in Baijiu was determined to be 0.7~5.9 mg/L,the limit of quantification was 1.9~14.6 mg/L,which passes the quality inspection of the calibration curve within the range of 0.6~320.0 mg/L,and the linear relationship meets the requirements.The recovery rate of intermediate standard addition in Baijiu was 73%~114%,the coefficient of variation in the laboratory was≤11%,and the accuracy deviation range was-18.7%~8.0%.Conclusion:The method can be used for the determination of various aldehydes in Baijiu.

关 键 词：白酒 气相 醛类物质 性能指标 

分 类 号：TS262.3[轻工技术与工程—发酵工程] O657.71[轻工技术与工程—食品科学与工程]