| 莱鲍迪苷A在甲醇-水体系中溶解度与超溶解度的测定 |
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| 引用本文： | 赵宏宇,顾正彪,程力,李兆丰,洪雁.莱鲍迪苷A在甲醇-水体系中溶解度与超溶解度的测定[J].食品工业科技,2012,33(11):340-342,378. |
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| 作者姓名： | 赵宏宇 顾正彪 程力 李兆丰 洪雁 |
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| 作者单位： | 1. 江南大学食品学院,江苏无锡,214122
2. 江南大学食品学院,江苏无锡214122／江南大学食品科学与技术国家重点实验室,江苏无锡214122 |
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| 摘 要： | 测定了莱鲍迪苷A在甲醇溶液中的溶解度和超溶解度曲线,并用数学模型进行了拟合,同时还测定了温度、降温速率、搅拌速率对甲醇溶液中莱鲍迪苷A介稳区宽度的影响。结果表明,莱鲍迪苷A在甲醇溶液中的溶解度随着温度的升高而增加,而介稳区宽度随着温度的升高而减小,随着降温速率的增加而增大,随着搅拌速率的增加先减小后增大。
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| 关 键 词： | 莱鲍迪苷A 结晶 溶解度 介稳区 |
Determination of solubility and supersolubility of Rebaudioside A in methanol aqueous solution |
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| ZHAO Hong-yu,GU Zheng-biao,CHENG Li,LI Zhao-feng,HONG Yan.Determination of solubility and supersolubility of Rebaudioside A in methanol aqueous solution[J].Science and Technology of Food Industry,2012,33(11):340-342,378. |
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| Authors: | ZHAO Hong-yu GU Zheng-biao CHENG Li LI Zhao-feng HONG Yan |
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| Affiliation: | 1(1.School of Food Science and Technology,Jiangnan University,Wuxi 214122,China; 2.State Key Laboratory of Food Science and Technology,Jiangnan University,Wuxi 214122,China) |
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| Abstract: | The solubility and supersolubility curves of Rebaudioside A in methanol solution were explored and modeled by mathematical expression.The metastable zone widths of Rebaudioside A solution at different cooling rate and agitating rate were also measured.The results showed that solubility of Rebaudioside A increased with the increase of temperature,the metastable zone decreased with the increase of temperature,and widened with the increase of the cooling rate,while the metastable zone firstly decreased and then increased with the increase of agitating rate. |
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| Keywords: | Rebaudioside A crystallization solubility metastable zone |
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