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极大螺旋藻中β-胡萝卜素的分离纯化及定量测定

来源:中国色谱网
摘要:摘要:极大螺旋藻(Spirulinamaximum)中含有多种营养物质,其中β-胡萝卜素具有重要的应用价值。利用β-胡萝卜素极性小的特点,用丙酮-甲醇(体积比为7∶2)溶液对其提取后皂化。采用石油醚萃取,通过氧化铝柱进行色谱分析,用反相高效液相色谱法(RP-HPLC法)测定了β-胡萝卜素的含量。...

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摘 要:极大螺旋藻(Spirulina maximum)中含有多种营养物质,其中β-胡萝卜素具有重要的应用价值。利用β-胡萝卜素极性小的特点,用丙酮-甲醇(体积比为7∶2)溶液对其提取后皂化。采用石油醚萃取,通过氧化铝柱进行色谱分析,用反相高效液相色谱法(RP-HPLC法)测定了β-胡萝卜素的含量。方法准确性高、重现性好,平均回收率为96.8%。

AbstractThere are several kinds of nutritious materials in Spirulina maxi mum ,and β-carotene is one of the most important materials. Becaus e β-carotene is of low polarity,for purification it was extracted with the mixture of acetone and methanol in the ratio of 72(V/V),then saponified, and extracted with petroleum ether, purified with column packed with neutral Al\-2O\-3. Its content was determined by reversed-phase HPLC. This method is accurate and the results are reproducible. The average recovery was 96.8%.
Keywords
reversed-phase high performance liquid chromatography; Spirulina maximum; β-carotene; neutral alumina column

作者简介:胡朝辉(1970-),男,讲师,现为江苏省南京大学 生物系在职硕士生,电话:(025)3595352,E-mail:hzhbio@263.net。
作者单位:胡朝辉(南京大学生物科学与技术系藻菌工程实验室, 江苏 南京 210093) 
     刘志礼(南京大学生物科学与技术系藻菌工程实验室, 江苏 南京 210093) 

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原载于《色谱》2001 Vol.19 No.1 P.85-87
http://periodical.wanfangdata.com.cn/periodical/sp/sp2001/0101/0101ml.htm

作者: 胡朝辉 刘志礼 2007-5-18
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