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当前位置: 首页 > 文章 > 草酸铵超声辅助提取豆腐柴果胶 食品科学 2011,32 (10) 88-91
Position: Home > Articles > Ultrasonic-aided Ammonium Oxalate Extraction of Pectin from Promma microphylla Turcz Leaves FOOD SCIENCE 2011,32 (10) 88-91

草酸铵超声辅助提取豆腐柴果胶

作  者：
王媛莉;李梅青;董明;伊芳;何金铃
单  位：
安徽农业大学生命科学学院;阜阳市产品质最监督检验所;安徽农业大学茶与食品科技学院
关键词：
豆腐柴;果胶;草酸铵;超声波;正交试验
摘  要：
以豆腐柴为原料,采用草酸铵及超声辅助对豆腐柴果胶的提取工艺进行研究。在单因素试验的基础上,通过正交试验确定提取豆腐柴果胶的最优工艺条件,并对该工艺条件下的果胶进行了质量检测。结果表明:采用超声提取可以显著提高提取率。在试验范围内,提取温度、提取时间、草酸铵质量浓度和液料比对果胶提取效果均有一定的影响,其最佳工艺条件为提取温度70℃、提取时间70min、草酸铵质量浓度8g/L和液料比50:1(mL/g),其中草酸铵质量浓度和提取温度达到显著水平;在该工艺条件下果胶提取率达63.79%。本实验方法获得的果胶提取率高,各项指标均达到了行业标准(QB 2484—2000《食品添加剂:果胶》)要求。
译  名：
Ultrasonic-aided Ammonium Oxalate Extraction of Pectin from Promma microphylla Turcz Leaves
作  者：
WANG Yuan-li1,LI Mei-qing1,DONG Ming1,YI Fang2,HE Jin-ling3(1.College of Tea & Food Science and Technology,Anhui Agricultural University,Hefei 230036,China;2.Fuyang Institute of Product Quality Supervision & Inspectin,Fuyang 236000,China;3.College of Life Science,Anhui Agricultural University,Hefei 230036,China)
关键词：
Promma microphylla Turcz;pectin;ammonium oxalate;ultrasonic extraction;orthogonal array design
摘  要：
In the present study,ultrasonic radiation was found to largely enhance the extraction of pectin from Promma microphylla Turcz leaves with ammonium oxalate solution.In order to further intensify pectin extraction,the ultrasonic-aided ammonium oxalate extraction process was optimized by orthogonal array design on the basis of a series of single-factor experiments.Under the conditions studied,temperature,length of extraction time,ammonium oxalate concentration and mate-rial-to-liquid ratio could affect pectin extraction differently,and the effects of ammonium oxalate concentration and temperature were significant,and the optimal conditions of the four parameters were 70 ℃,70 min,8 g/L and 50:1,respectively.Under these conditions,the extraction rate of pectin reached up to 63.79%.Furthermore,the quality indicators of the extracted pectin could meet the requirements of the industrial standard(QB 2484-2000).

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