Migration of Phthalate Esters from Packaging and Container Materials to Yellow Rice Wine

Liquor-Making Science and Technology - - News -

JIAO Xinping, ZENG Jinhong, RUAN Yating, WANG Lingzhi, WANG Jia1i and ZHANG Shanshan (National Center for Yellow RiceWine Quality Supervision & Testing, Shaoxing Testing Institute of Food and Drug, Shaoxing, Zhejiang 312071, China) Abstract: The content and the distribution of phthalate esters (PAEs) in packaging and container materials commonly used for yellow rice wine were investigated. PVC plastic gaskets from glass bottle caps were chosen to soak yellow rice wine to explore the migration of PAEs from PVC plastic gaskets to yellow rice wine with the change of soaking time and soaking temperature. The results suggested that, the migration of DBP, DINP and DEHP from PVC plastic gaskets to yellow rice wine gradually increased with the extension of soaking time and the rise of soaking temperature; especially after 15 min soaking at 95 ℃, the migration of DBP increased dramatically, and the migration increased slowly as soaking time extended to 120 min. The migration of DINP and DEHP was similar to the migration of DBP, but their increasing range was much smaller. High temperature at 95 ℃ had the utmost influence on the migration of DBP. Key words: phthalate esters; yellow rice wine; packaging and container materials; migration

近年来,与食品直接接触的包装材料中有害物质的迁移备受关注。邻苯二甲酸酯( phthalate esters,缩写PAEs)是一类普遍使用的工业有机化合物,主要用作塑

[1]料增塑剂,可以增强塑料的弹性和柔韧性 。由于PAEs的分子结构类似荷尔蒙,有雌激素的特征及抗雄激素生物效应,会干扰动物和人体正常的内分泌功能,引起动物与人体内分泌系统紊乱,在体内长期积累会对人体的生殖系统、免疫系统、消化系统带来危害,这类化合物已成

[ 4]为全球性的主要环境有机污染物2- 。由于PAEs增塑剂与塑料通过氢键和范德华力相连接,彼此之间结合不紧密,当塑料包装与食品接触时,塑料中含有的塑化剂可通

[ 7]过迁移进入食品而危害人体健康5- 。因此,很多国家和组织纷纷出台标准和法规,明确指出食品包装材料中邻 (20120254) 苯二甲酸酯和己二酸酯的最大使用量和迁移限量,我国GB 9685[ 和欧盟No 10/2011[ 均对上述物质规定了残留

8] 9]量和特定迁移限量,并加以管控。

黄酒历史悠久、风格独特,与葡萄酒、啤酒并称世界三大酿造古酒,是中国传统酿造酒的代表之一,黄酒的主要包装接触材料有玻璃、陶瓷和塑料等材料。黄酒成分复杂,含有醇(乙醇含量丰富)、酯、有机酸、氨基酸等物质,而邻苯二甲酸酯类物质具有易溶于乙醇的性质。PAEs是高脂溶而非水溶性的,而酒类中含有的乙醇对PAEs具有较好的溶解性10- 12],因此酒类中存在这类化合

[物污染的风险。与酒体直接接触的塑料制品是酒中塑化剂的一大来源,包括贮存包装、运输包装、生产过程中所用的塑料管道、橡胶圈、塑料容器(塑料桶、塑料壶)等,涉

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