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西藏皱皮木瓜中齐墩果酸、熊果酸提取工艺优化及不同干燥方式的含量分析
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  • 英文篇名:Extracting Technique Optimization of Oleanolic Acid & Ursolic Acid from Fructus Chaenomeles in Tibet and the Content Analysis in Different Drying Methods
  • 作者:阚金涛 ; 张清豫 ; 袁雷 ; 马长中 ; 钟政昌
  • 英文作者:KAN Jintao;ZHANG Qingyu;YUAN Lei;MA Changzhong;ZHONG Zhengchang;Food Science College, Tibet Agriculture & Animal Husbandry University;
  • 关键词:西藏 ; 皱皮木瓜 ; 齐墩果酸 ; 熊果酸
  • 英文关键词:Tibet;;fructus chaenomeles;;oleanolic acid;;ursolic acid
  • 中文刊名:GYNY
  • 英文刊名:Journal of Plateau Agriculture
  • 机构:西藏农牧学院食品科学学院;
  • 出版日期:2019-06-14
  • 出版单位:高原农业
  • 年:2019
  • 期:v.3;No.11
  • 基金:西藏自治区科技计划项目(XZ201801NA04);; 西藏野生特色生物资源开发平台建设(PT2015-01)
  • 语种:中文;
  • 页:GYNY201903011
  • 页数:8
  • CN:03
  • ISSN:54-1066/S
  • 分类号:72-79
摘要
本研究旨在建立齐墩果酸和熊果酸同时分析方法,并测定西藏木瓜在不同干燥方式下西藏木瓜中齐墩果酸和熊果酸含量。选用甲醇为提取溶剂,超声波辅助浸提,通过单因素实验及响应面优化齐墩果酸、熊果酸提取工艺,采用高效液相色谱法检测西藏皱皮木瓜在冷冻干燥、自然晾干、恒温烘干三种不同干燥方式下齐墩果酸、熊果酸含量。结果表明,西藏皱皮木瓜齐墩果酸、熊果酸最佳提取工艺条件:以甲醇为提取溶剂,60 W功率的超声波辅助提取、提取时间55 min、提取温度59℃,齐墩果酸和熊果酸提取率分别为0.2766±0.01591%,0.5705±0.0563%;利用本文所建立的提取工艺及分析方法,检测到西藏皱皮木瓜熊果酸和齐墩果酸含量大小顺序为:鲜样品﹥冷冻干燥﹥自然晾干﹥50℃恒温烘干﹥60℃恒温烘干﹥70℃恒温烘干。结果说明,冷冻干燥最有利保存西藏皱皮木瓜中的熊果酸和齐墩果酸。
        This experiment was to optimize the extracting technology of oleanolic acid and ursolic acid from Fructus Chaenomeles and analyze the content in different drying methods. Response surface methodology basing on single factor was used to optimize oleanolic acid and ursolic acid through detecting the targeted component index by high performance liquid chromatography(HPLC). In addition, the methanol was used as extracting solvent and ultrasonic was applied as auxiliary method. The results showed that the best condition for extraction was 60 W ultrasonic,55 min extracting time and 59℃ extracting temperature. The yield rate of oleanolic acid was0.02766±0.001591% and ursolic acid was 0.05705±0.000563%. The contents of oleanolic acid and ursolic acid from Fructus Chaenomeles samples by applying freeze-dried was the highest,then decreased by air-dried with 50℃ constant temperature, by 60℃ constant temperature dried and by 70℃ constant temperature dried. These results indicated that freeze-drying could preserve oleanolic acid and ursolic acid in Fructus Chaenomeles as far as possible.
引文
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