湖南异地水芹及水芹茶的总黄酮含量测定
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摘要
采用紫外分光光度法测定湖南8个不同产地野生水芹及其茶制品中总黄酮含量。结果表明各产地总黄酮含量差异较大,其中以张家界地区样品含量最高,达到130. 29 mg/kg。各地野生水芹制成绿茶后总黄酮含量变化不大,而水芹制成红茶后总黄酮含量降低。因此,湖南地区野生水芹因产地不同导致总黄酮含量有差异,同时不同的制茶加工工艺对总黄酮含量也有一定影响。
Ultraviolet spectrophotometry was used to determine the total flavonoids in Oenanthejavaaica( BI.) DC.and tea made from Oenanthejavaaica( BI.) DC. in eight different origin of Hunan. The results showed that the content of total flavonoids varied greatly from place to place. Among them,Zhangjiajie samples had the highest content,reaching130. 29 mg/kg. After making green tea,the content of total flavonoids did not change much. After making black tea,the content of total flavonoids was reduced. Therefore,the total flavonoids content of Oenanthejavaaica( BI.) DC. in Hunan area was different due to different producing areas,at the same time,the tea processing technology also had a certain influence on the total flavonoids content.
Ultraviolet spectrophotometry was used to determine the total flavonoids in Oenanthejavaaica( BI.) DC.and tea made from Oenanthejavaaica( BI.) DC. in eight different origin of Hunan. The results showed that the content of total flavonoids varied greatly from place to place. Among them,Zhangjiajie samples had the highest content,reaching130. 29 mg/kg. After making green tea,the content of total flavonoids did not change much. After making black tea,the content of total flavonoids was reduced. Therefore,the total flavonoids content of Oenanthejavaaica( BI.) DC. in Hunan area was different due to different producing areas,at the same time,the tea processing technology also had a certain influence on the total flavonoids content.
引文
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[2]黄正明,杨新波,曹文斌,等.中药水芹的现代研究与应用[J].解放军药学学报,2001,17(5):266-269.
[3]王维娜,黄正明,杨新波,等.水芹的化学成分研究[J].中草药,2012,43(7):1289-1292.
[4]陈欲云,刘春丽,边名鸿.芹菜黄酮抗氧化作用的研究[J].时珍国医国药,2012,23(7):304-313.
[5]章宏慧.水芹茶加工工艺及其生物活性研究[D].杭州:浙江大学,2014.
[6]杨紫兑,陈宜,戴志坚.提高手工绿茶品质优化工艺研究报告[J].桑蚕茶叶通讯,1992(2):1-8.