蒸煮温度和模拟液对复合膜中甲苯迁移及阻隔性能的影响

doi:10.7506/spkx1002-6630-201611008

食品科学

蒸煮温度和模拟液对复合膜中甲苯迁移及阻隔性能的影响

黄雅露1，常南1,2，张春红1,*，陶冬冰1

1.沈阳农业大学食品学院，辽宁沈阳 110866；2.沈阳产品质量监督检验院，辽宁沈阳 110022

出版日期:2016-06-15 发布日期:2016-06-27

Effect of Cooking Temperature and Simulants on Toluene Migration and Barrier Properties of Laminated Films

HUANG Yalu1, CHANG Nan1,2, ZHANG Chunhong1,*, TAO Dongbing1

1. College of Food Science, Shenyang Agricultural University, Shenyang 110866, China;
2. Shenyang Product Quality Supervision and Inspection Institute, Shenyang 110022, China

Online:2016-06-15 Published:2016-06-27

摘要/Abstract

摘要：

采用顶空气相色谱法研究不同蒸煮条件和模拟液种类对双向拉伸尼龙薄膜/流延聚丙烯薄膜耐蒸煮复合膜中残留甲苯迁移及阻隔性能的影响。结果表明，随着蒸煮温度升高和处理时间的延长，不同模拟液中甲苯的迁移率逐渐增大；其迁移率大小依次为：5 g/100 mL氯化钠＞0.2 g/100 mL谷氨酸钠＞10 g/100 mL蔗糖＞蒸馏水；高温蒸煮导致调味品模拟液处理复合膜的氧气透过量和水蒸气透过量上升；红外光谱、差示扫描量热仪和扫描电子显微镜分析结果表明，高温、蒸馏水和氯化钠处理会破坏膜的内部结构，使其结晶度下降，分子间作用力减弱、导致其结构松散、膜的表面凹凸不平、出现扭曲现象。

关键词: 复合膜, 蒸煮温度, 调味品模拟液, 甲苯迁移, 阻隔性能

Abstract:

Headspace gas chromatography was used to investigate the effect of cooking temperature and simulants on
toluene migration and barrier properties of biaxially oriented polyamide/cast polypropylene (BOPA/CPP) retort laminated
films. The results showed that the migration rate of residual toluene to four different stimulants was in the order: 5 g/100 mL
sodium chloride > 0.2 g/100 mL sodium glutamate > 10 g/100 mL sucrose > distilled water. With the increase in cooking
temperature and treatment time, the migration rate of residual toluene was gradually increased for all these stimulants.
High temperature and condiment simulant treatments led to an increase in the water vapor and oxygen permeability of the retort
laminated films. Infrared spectroscopic, differential scanning calorimetric, and scanning electron microscopic analyses showed that
high temperature, distilled water and sodium chloride treatment destroyed the internal structure of the membrane and decreased the
crystallinity and inter-molecular force, resulting in the loose structure, uneven membrane surface and distortion.

Key words: laminated films, cooking temperature, condiment simulants, toluene migration, barrier properties

中图分类号:

TQ021.4

黄雅露，常南，张春红，陶冬冰. 蒸煮温度和模拟液对复合膜中甲苯迁移及阻隔性能的影响[J]. 食品科学, doi: 10.7506/spkx1002-6630-201611008.

HUANG Yalu, CHANG Nan, ZHANG Chunhong, TAO Dongbing. Effect of Cooking Temperature and Simulants on Toluene Migration and Barrier Properties of Laminated Films[J]. FOOD SCIENCE, doi: 10.7506/spkx1002-6630-201611008.

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蒸煮温度和模拟液对复合膜中甲苯迁移及阻隔性能的影响

Effect of Cooking Temperature and Simulants on Toluene Migration and Barrier Properties of Laminated Films

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