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硬脂酸淀粉酯的酶促合成及其乳化稳定性 被引量:1

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摘要 采用脂肪酶Lipozyme(TL IM)为催化剂,马铃薯淀粉与硬脂酸为反应底物、焦磷酸钠为辅助剂,合成硬脂酸淀粉酯。在脂肪酶添加量为淀粉质量10%的条件下,考察了底物比、辅助剂用量、反应时间、反应温度对酯化效果的影响,确定了酶法合成硬脂酸淀粉酯的最佳条件:淀粉6.0g、硬脂酸16g、焦磷酸钠1.0g、反应时间42h、反应温度65℃,制得取代度为0.036的淀粉酯。所得淀粉酯具有良好的乳化能力。
出处 《农业机械》 2011年第8期124-127,共4页 Farm Machinery
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