油脂酸价的检测不确定度分析  

Analysis of Uncertainty in Detection of Lipid Acid Value

作　　者：罗樱 LUO Ying(Guangjian Trusted Testing&Certufication,Guangdong Guangzhou 510000,China)

机构地区：[1]广州检验检测认证集团有限公司,广东广州510000

出　　处：《广州化工》2023年第24期52-55,共4页GuangZhou Chemical Industry

摘　　要：油脂酸价的大小与制取油脂的原料、工艺、储运息息相关,油脂酸价过高则伴随产生过量破坏脂溶性维生素的醛酮类物质,进而出现肠胃不适、腹泻并损害肝脏等症状[1-3]。近年来,国家增加对各类食品油脂酸价的抽检力度,因此,油脂酸价检测的准确性尤为重要。通过建立数学模型方法,进行不确定度评价,计算各个影响因素对酸价检测结果的影响。温度为20℃时,油脂酸价的不确定度为(1.39±0.04)mg/g。The value of lipid acid is closely related to the raw materials,technology,storage and transportation of oil production.The high value of lipid acid is accompanied by the production of excessive aldehydes and ketones that destroy fat-soluble vitamins,and then the symptoms of gastrointestinal discomfort,diarrhea and liver damage[1-3].In recent years,the state has increased the strength of sampling inspection on the acid price of oil and fats of various foods,so the accuracy of the acid price detection of oil and fats is particularly important.By establishing mathematical model method,uncertainty evaluation was carried out to calculate the influence of each influencing factor on acid value detection results.When the temperature was 20℃,the uncertainty of lipid acid value was(1.39±0.04)mg/g.

关 键 词：油脂 酸价 不确定度 

分 类 号：O652.7[理学—分析化学]