| 果汁护色剂JPX对苹果汁中棒曲霉素的降解作用及护色效果 |
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| 引用本文： | 师俊玲,张小平,李元瑞,李先玉.果汁护色剂JPX对苹果汁中棒曲霉素的降解作用及护色效果[J].农业工程学报,2006,22(10):237-239. |
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| 作者姓名： | 师俊玲 张小平 李元瑞 李先玉 |
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| 作者单位： | 西北农林科技大学食品学院,杨凌,712100 |
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| 基金项目： | 国家科技攻关计划;西部开发科技行动项目;西北农林科技大学校科研和教改项目 |
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| 摘 要： | 为了考察果汁护色剂JPX在护色同时对苹果汁中棒曲霉素的降解作用与条件，该文研究处理温度、添加剂用量及处理时间对棒曲霉素降解率和果汁色值的影响。结果表明：在苹果浓缩汁生产过程中，用JPX控制棒曲霉素的较佳方法是，在榨汁阶段加入0.8g/L，酶解阶段加入1.6 g/L，棒曲霉素的降解率可以达到70%～80%，且对果汁有很好的护色效果。
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| 关 键 词： | 棒曲霉素 降解 B族维生素 苹果汁 护色 |
| 文章编号： | 1002-6819(2006)10-0237-03 |
| 收稿时间： | 2005-10-08 |
| 修稿时间： | 2006-05-22 |
Effects of color protection agent JPX on patulin degradation and color protection of apple juice |
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| Shi Junling,Zhang Xiaoping,Li Yuanri and Li Xianyu.Effects of color protection agent JPX on patulin degradation and color protection of apple juice[J].Transactions of the Chinese Society of Agricultural Engineering,2006,22(10):237-239. |
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| Authors: | Shi Junling Zhang Xiaoping Li Yuanri and Li Xianyu |
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| Institution: | College of Food Science and Technology, Northwest Agriculture and Forestry University, Yangling 712100, China;College of Food Science and Technology, Northwest Agriculture and Forestry University, Yangling 712100, China;College of Food Science and Technology, Northwest Agriculture and Forestry University, Yangling 712100, China;College of Food Science and Technology, Northwest Agriculture and Forestry University, Yangling 712100, China |
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| Abstract: | In order to investigate the application of color protection agent JPX in patulin degradation and color protection of apple juice, the influences of JPX dosage, temperature, and treating time on degradation ratio of patulin and color value of juice were researched. Results show that JPX reduces patulin by 70%-80% when 0.8 g/L JPX is added at squeezing stage and 1.6 g/L JPX at enzymatic treating stage. Juice color is well protected at the above optimal condition. |
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| Keywords: | patulin degradation B vitamins apple juice color protection |
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