YUE Wei,WU Shi-yun.Determination of Total Flavonoids from Indocalamus Leaves by AlCl3 Colorimetric Method[J].HEILONGJIANG AGRICULTURAL SCIENCES,2015,(02):98-101.[doi:10.11942/j.issn1002-2767.2015.02.0098]
AlCl3比色法测定箬叶总黄酮含量
- Title:
- Determination of Total Flavonoids from Indocalamus Leaves by AlCl3 Colorimetric Method
- 文章编号:
- 1002-2767(2015)02-0098-04
- Keywords:
- indocalamus leaves; total flavonoids; AlCl3; colorimetric method
- 分类号:
- R284
- 文献标志码:
- A
- Abstract:
- In order to study the simple and standard method for measuring indocalamus leaves,taking indocalamus leaves as material,A AlCl3 colorimetric method for the determination of total flavonoids from indocalamus leaves was established,the effect of solvent,the dosage of AlCl3,pH and standing time were studied.The results showed that the optimum conditions were 50% ethanol as solvent,added 0.025 mol?L-1 AlCl3 with pH 5~6,after 20 min total flavonoids reacts with AlCl3 to form a stable yellow complex,the determine wavelength was 415 nm.The regression equation was A=0.024 6c+0.018 1,correlation coefficient R2 was 0.999 2.The recovery was 97.94%~103.8%,and RSD was 2.4%.
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备注/Memo
收稿日期:2014-10-10
基金项目:湖北省自然科学基金资助项目(2013C111)
第一作者简介:乐薇(1979-),女,湖北省沙市人,硕士,副教授,从事生物分析方面研究。E-mail:yuewei11@126.com。