文档详情

响应面法优化黑加仑籽油中γ-亚麻酸富集工艺.pdf

发布:2015-09-08约2.35万字共5页下载文档
文本预览下载声明
食品研究与开发 2014 年 4 月 工艺技术 Food Research And Development 第 35 卷第 8 期 51 DOI :10.3969/j.issn.1005-6521.2014.08.013 响应面法优化黑加仑籽油中 γ-亚麻酸富集工艺 焦淑清,张萍,张云杰 (佳木斯大学 药学院,黑龙江省生物药制剂重点实验室,黑龙江 佳木斯154007) 摘 要 : 采用响应面优化尿素包合法富集黑加仑籽油中 γ-亚麻酸的最佳工艺。在单因素试验基础上,选择包合温度、 尿素/混合脂肪酸配比、95 % 乙醇/尿素配比(mL/g )、包合时间为考察因素,进行四因素三水平的Box-Behnken 中心组合 设计,采用响应面法分析 4 个因素对籽油中 γ-亚麻酸含量的影响。结果表明,尿素包合法富集黑加仑籽油中 γ-亚麻酸 的最佳工艺为包合温度-20 ℃、尿素/混合脂肪酸配比 3.5 ∶ 1、95 % 乙醇/尿素配比 2.5 ∶ 1(mL/g )、包合时间21 h ,在此条件 下,包合后籽油中 γ-亚麻酸含量平均值为 24.27 %。 关键词: 黑加仑籽油;γ-亚麻酸富集;尿素包合法;响应面分析法 Optimization of γ-linolenic Acid Enrichment Technology from Blackcurrant Seeds Oil by Response Surface Methodology JIAO Shu-qing , ZHANG Ping , ZHANG Yun-jie (College of Pharmacy ,Jiamusi University ,Heilongjiang Province Key Laboratory of Biological Medicine Formulation , Jiamusi 154007 , Heilongjiang , China ) Abstract : The present study aimed to optimize enrichment of γ-linolenic acid from blackcurrant seeds oil using urea inclusion method and response surface methodology (RSM ) combined with a 4-variable , 3- level Box- Behnken central composite design ( ) , CCD on the basis of single factor experiments. Inclusion temperature ratio of urea-to-fatty acid ,ratio of 95 % ethanol-to-urea (mL/g )and inclusion time were studied. Results showed that the optimized enrichment conditions are inclusion temperature -20 ℃ , urea-to-fatty acids
显示全部
相似文档