摘要
[目的]优化向日葵盘中果胶的提取工艺。[方法]采用酸提取、乙醇沉淀的方法对影响向日葵盘中果胶提取率的条件进行了分析研究。[结果]试验表明,向日葵盘中果胶提取的最优工艺条件为:提取时间2 h、提取温度为85℃、浓缩温度为70℃、提取液p H为1.5、乙醇用量为65 ml时提取率最高,在此条件下果胶的提取率可达16%。[结论]试验确定的果胶提取工艺条件是可行的,果胶质量符合相关要求。
[Objective] To optimize extraction conditions of pectin from sunflower head.[Method] By using acid extraction and ethanol precipitation,conditions influencing pectin extraction rate from sunflower head were studied.[Result] The experiment showed that,the optimal conditions are：extraction time 2 h,extraction temperature 85 ℃,condensation temperature 70 ℃,extract liquid pH 1.5,ethanol 65 ml,the extraction rate is the highest,up to 16％.[Conclusion] The obtained pectin extraction conditions are feasible,pectin quality meets the relevant requirements.
出处
《安徽农业科学》
CAS
2014年第35期12667-12669,共3页
Journal of Anhui Agricultural Sciences
基金
宁夏回族自治区自治区级大学生创新性实验计划
关键词
向日葵盘
果胶
提取率
Sunflower head
Pectin
Extraction rate
