| 异硫氰酸烯丙酯的分子包埋物在不同温度下的控制释放 |
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| 引用本文： | 李学红,金征宇.异硫氰酸烯丙酯的分子包埋物在不同温度下的控制释放[J].食品科学,2007,28(3):139-142. |
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| 作者姓名： | 李学红 金征宇 |
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| 作者单位： | 江南大学食品学院； 江南大学食品学院 江苏无锡214036 郑州轻工业学院食品与生物工程学院； 河南郑州450002； 江苏无锡214036； |
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| 摘 要： | 本论文利用β-环糊精对异硫氰酸烯丙酯进行分子包埋,将液态油转变为固体的包合物粉末,同时对其释放特性进行研究。结果表明,异硫氰酸烯丙酯可以和β-环糊精形成包合物,包合物中异硫氰酸烯丙酯的释放速度与环境的相对湿度密切相关,释放过程可以用Avrami方程进行较好的拟和。环糊精的包埋释放反应是一个动态的可逆过程,在密闭体系中存在一个异硫氰酸烯丙酯的顶空平衡浓度。
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| 关 键 词： | 异硫氰酸烯丙酯 环糊精 包埋 控制释放 |
| 文章编号： | 1002-6630（2007）03-0139-04 |
| 修稿时间： | 2006-02-28 |
Controlled Release of Inclused Allyl Isothiocyanate at Various Relative Humidities |
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| LI Xue-hong,JIN Zheng-yu.Controlled Release of Inclused Allyl Isothiocyanate at Various Relative Humidities[J].Food Science,2007,28(3):139-142. |
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| Authors: | LI Xue-hong JIN Zheng-yu |
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| Affiliation: | 1.School of Food Science and Technology, Southern Yangtze University, Wuxi 214036, China; 2.College of Food and Biological Engineering, Zhengzhou Institute of Light Industry, Zhengzhou 450002, China |
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| Abstract: | In this paper allyl isothiocyanate(AITC) was included by β-cyclodextrin to form a solid powder and the controlled release property of AITC from the inclusion complexes was studied. The results showed that the release rate of AITC from the β-CD-AITC complex is correlated with environmential relative humidity(RH) and the release time-courses of the complex fit well to the Avrami equation. The release reaction of CD is a dynamic equilibrium process and there is AITC equilibrium concentration in the headspace above CD-AITC complex in a sealed system. |
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| Keywords: | allyl isothiocyanate(AITC) cyclodextrin (CD) inclusion controlled release |
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