响应面分析法优化竹笋剩余物甾醇的超声粉碎提取工艺

食品科学 ›› 2012, Vol. 33 ›› Issue (14): 85-90.

响应面分析法优化竹笋剩余物甾醇的超声粉碎提取工艺

陈如寿1，殷钟意2，郑旭煦1,*，伍冬婷1

1.重庆工商大学环境与生物工程学院 2.重庆工商大学药物化学与化学生物学研究中心

收稿日期:2011-05-30 修回日期:2012-06-18 出版日期:2012-07-25 发布日期:2012-07-27
通讯作者: 郑旭煦 E-mail:xuxuzheng@ctbu.edu.cn

Optimization of Ultrasonic-Assisted Extraction Process for Phytosterol from Bamboo Shoot Scraps by Response Surface Analysis

Received:2011-05-30 Revised:2012-06-18 Online:2012-07-25 Published:2012-07-27

摘要/Abstract

摘要： 以方竹笋加工剩余物为原料，以总甾醇、β-谷甾醇提取率为考察指标，采用超声波处理法提取竹笋甾醇。在采用单因素试验考察料液比、超声功率、超声时间及颗粒粒径对竹笋甾醇提取率影响的基础上，利用响应面分析法优化超声波处理法提取竹笋甾醇的工艺，在料液比1:31、超声功率410W、超声时间10.5min、颗粒粒径86目条件下，竹笋总甾醇提取率达0.317%，β-谷甾醇提取率达0.249%。

关键词: 竹笋剩余物, 植物总甾醇, β-谷甾醇, 响应面分析, 超声波处理

Abstract: In this study, response surface methodology was used to optimize the ultrasonic-assisted extraction of phytosterol from bamboo shoot scraps. The effects of four variables including solid-to-solvent ratio, ultrasonic power, ultrasonic treatment time and raw material particle size on total phytosterol and β-sitosterol yields were investigated. The optimal extraction conditions were found as follows: 1:31 of solid-to-solvent ratio, 10.5 min of ultrasonic treatment time, 410 W of ultrasonic power, and 86 mesh of raw material particle size. Under these conditions, the total phytosterol and β-sitosterol yields were 0.317% and 0.249%, respectively.

Key words: bamboo shoot scraps, total phytosterol, β-sitosterol, response surface analysis, ultrasonic treatment

中图分类号:

S727.15

陈如寿1，殷钟意2，郑旭煦1,*，伍冬婷1. 响应面分析法优化竹笋剩余物甾醇的超声粉碎提取工艺[J]. 食品科学, 2012, 33(14): 85-90.

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