【作者】 段晋峰；

【导师】 王吉德； 张旭龙；

【作者基本信息】 新疆大学 ， 化学， 2010， 硕士

【摘要】 纸质包装材料已成为重要的食品包装材料。研究发现其生产及后续加工过程中添加的化学物质部分会残留在纸张中,进而向食品中迁移,引起食品的污染。本文主要开展了如下方面的工作:1.用气相色谱质谱联用(GC-MS)法测定多种纸质食品包装材料中的污染物成分,结合国内外研究的相关资料从纸质食品包装材料及其添加剂化学残留物中选择有可能从纸质包装材料中迁移到食品中的22种化学物质或其替代品作为同时检测的目标物。2.结合FDA建议做迁移实验的十二种化学物质,根据实际情况选择9种化学物质配制模拟组分溶液,制作被污染的纸质包装材料模拟样品,对萃取剂、萃取温度、萃取时间以及色谱条件进行摸索,气相色谱火焰离子化检测器(GC-FID)法进行定量分析。3.制作被22种化学品混合溶液污染的纸质包装材料模拟样品,对前处理条件及色谱条件进行优化,建立了气相色谱火焰离子化检测器(GC-FID)法同时定量检测纸质包装材料中22种有害物质的方法,结果令人满意,为纸质包装材料中污染物的研究和检测方法的建立提供了支持。更多还原

【Abstract】 Paperboard packages have become important packaging materials. Some of chemicals, such as additives added during manufacture or byproducts produced during subsequent treatment processes, can migrate into foods. The migration of harmful substances from these package materials to food resulted in contamination. And the following aspects of research works were mainly carried out:1) According to the results of paper package samples analyzed by gas chromatographic- mass spectrometry (GC-MS) and previous reports, we selected twenty-two kinds of model compounds from recovered paper and board (P&B) along with additives that could transfer into food as simultaneous determinate target compounds.2) Nine organic model compounds were selected based on our study and the proposals by FDA. The samples were prepared according to the manufacture process of paper packaging materials, and influence factors, including extractive solvent, temperature, time and chromatographic condition were optimized. A method has been developed for the simultaneous determination of nine organic model compounds by gas chromatography- flame ionization detector (GC-FID).3) The model polluted samples were prepared by twenty-two organic model compounds solution selected based on our study. Pretreatment and chromatographic conditions were optimized. A rapid and effective method has been developed systematically and studied for the simultaneous qualitative and quantitative determination of twenty-two organic model compounds in the recycled paper packaging materials by gas chromatography-flame ion detector. The results were satisfactory. These data would benefit further research on contaminants in paper packaging materials and buildup of test method.更多还原