| 水酶法提取黄粉虫油工艺优化 |
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| 引用本文： | 张立佳,张建新,王临宾.水酶法提取黄粉虫油工艺优化[J].食品与发酵工业,2010(1). |
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| 作者姓名： | 张立佳 张建新 王临宾 |
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| 作者单位： | 西北农林科技大学食品科学与工程学院; |
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| 摘 要： | 对碱性蛋白酶和胰蛋白酶复合水解黄粉虫提取黄粉虫油的工艺条件进行了研究。在酶解时间、加酶量、液料比、温度、pH五个单因素试验的基础上,以提油率为评价指标,利用响应面分析法优化了温度、加酶量、pH等酶法提取黄粉虫油的条件。优化的工艺条件为:酶解温度50.04℃,加酶量799.38U/g(原料),pH8.49,液料比5:1,酶解时间120min,此条件下提油率为78.51%。水酶法提取黄粉虫油品质优于石油醚提取,采用GC-MS法对黄粉虫油脂肪酸组成进行分析,共检出18种脂肪酸,其不饱和脂肪酸含量高达76.22%。
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| 关 键 词： | 黄粉虫油 水酶法 脂肪酸 GC-MS |
Optimizing Technique of Extracting Tenebrio molitor. Linneeus Oil by Aqueous Enzymatic Method |
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| Zhang Lijia,Zhang Jianxin,Wang Linbin.Optimizing Technique of Extracting Tenebrio molitor. Linneeus Oil by Aqueous Enzymatic Method[J].Food and Fermentation Industries,2010(1). |
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| Authors: | Zhang Lijia Zhang Jianxin Wang Linbin |
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| Affiliation: | Zhang Lijia,Zhang Jianxin,Wang Linbin(College of Food Science , Engineering,Northwest A&F University,Yangling 712100,China) |
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| Abstract: | The procedure of extracting Tenebrio molitor.Linneeus oil from Tenebrio molitor.Linneeus by Alcalase and Trypsin was studied.Based on single factor test including enzymatic hydrolyzing time,enzyme dosage,the ratio of water to material,temperature and pH,oil extraction yield as evaluation index,temperature,enzyme dosage and pH were studied for Tenebrio molitor.Linneeus oil extraction by response surface methodology.The best conditions of aqueous enzymatic extraction of Tenebrio molitor.Linneeus oil are as fo... |
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| Keywords: | Tenebrio molitor Linneeus oil aqueous enzymatic method fatty acids GC-MS |
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