几种常见食用植物油溶剂残留量检测和残留溶剂组分分析.pdf

2016年第29卷第12期
粮食与油脂
几种常见食用植物油溶剂残留量检测和
残留溶剂组分分析
金俊1,张友峰2,陈金平,王兴国2
(1.浙江得乐康食品股份有限公司,浙江台州317317
2.江南大学食品学院,食品科学与技术国家重点实验室
食品营养与安全协同创新中心,江苏无锡214122)
摘要:检测了19批次常见食用植物油的溶剂残留量及其组成,结果显示,16批次的溶剂残留量
符合国标(<10mg/kg);1批次压榨大豆油(12.8mg/kg)和2批次压榨橄榄油(22.7~31.8mg/kg)
的溶剂残留量超标。食用浸出油和压榨油的溶剂组成相似:烷烃类主要包括(异)己烷、(异)庚烷
和环己烷等,占总挥发性溶剂的5%~15%;非烷烃类主要包括(异)成醛、己(烯)醛、己酸和成(烯)
醇等,占总挥发性溶剂的41%~79%。说明食用植物油特别是压榨油溶剂残留量超标更多是与非
烷烃类物质相关,主要包括油脂在精炼、储存中自身生成的物质
关键词:食用植物油;溶剂残留;植物油抽提溶剂;非烷烃类
Detection and analysis of residue of solvent in common edible
vegetable bills
JIN Jun,2, ZHANG You-feng, CHEN Jin-ping WANG Xing-guo
1 Zhejiang Delekang Food Co, Ltd, Taizhou 317317, Zheiiang, China;
2. School of Food Science and Technology, State Key Laboratory of Food Science and
Technology, Food Nutrition and Safety Synergy Innovation Center, Jiangnan University, Wuxi
214122, Jiangsu, China
Abstract: The solvent content and compositions in 19 batches of common edible vegetable oils were
analyzed. The results showed that all the oils mct the rcquircmcnt of the solvent rcsiduc(<10 mg
kg )except one batch of soybean oil and two batches of olive oil. The contents in both oils were 12.8
and 22.7--31.8 mg/kg, rcspcctivcly Compositions of the solvcnt wcre similar in the cxtracted oil
and pressed oils. The levels of alkanes, mainly including(iso)hexane, (iso )-paraffins heptane
and cyclohexane in the studicd samplcs occupied 5%-15% of the total contcnt. However, a grcat
proportion of the solvent in these oils was non-alkanes such as(iso )-valeraldehyde, hexyl(ene
aldehyde, caproic acid and pcnt-(cn )alcohol, occupied about 41%--79%, It was suggested that the
over-proof solvent residue in edible vegetable oils(especially pressed samples )was mainly caused by
the non-alkancs, which resulted from the oil oxidation during th refining and storagc
Key words edible vegetable oils; rcsiduc of solvent; vcgctablc oil cxtraction solvcnt; non-alkancs
中图分类号:TS227
文献标识码:A
文章编号:1008-9578(2016)12-0075-04
前,油脂提取方式要分为溶剂浸捉和压榨
然而,近来在商品流通领域的食用植物油屡屡
两种,其中溶剂浸提所用的多为植物油抽提溶剂,许被国家食品药品隘督管理总局和地方检测机构曝出
多民众认为通过溶剂浸提的洲脂存在不安全因素,溶剂残留量超标的向题,涉及芝麻香汕(35mg/kg)、
从而更偏爱压榉油。但就油脂业而言,发达判家压榨花生油和压悴菜籽油(10~20mg/kg)、浸出大豆
90%以上的油料、我国80%以上的油料均是采用浸油和浸出棉籽油(96~947mg/kg)等常见油利253l。
提法获取油脂的,げ通过精炼使油脂达到食用标根据各植物油相应的国标,压榉油和浸出一级、二级
准。因此,理论上只要是符合食用标准的油脂就是安油的溶剂残蹭量应小」10mg/kg,浸出三级、四致油
全的。
的浴剂残跆量应小」50mg/kg。可见,上:述压榨油
收稿日期:2015-12-16
基金项目:江苏省普通高校研究生科研创新计划项目(KYLX151173,、KYLX160825
作者简介:金俊(1988-),男,博士研究生,研究方向为油脂加工和检测工作
通信作者:王兴国
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