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Determination of total flavonoids in eucalypt leaves by spectrophotometry

Xuefeng Wei

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Abstract

Using rutin as standard, contents of total flavonoids in eucalypt leaves are determined by spectrophotometry at the wavelength of 510 nm and NaNO2-Al(NO3)3-NaOH as colored reagent. The average value of contents of total flavonoids in eucalypt leaves was 4.9% and the average recovery of the method was 99.08%. The RSD of precision test and reproducibility test were 0.53%, and 2.1%, respectively.

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What this paper is about

Using rutin as standard, contents of total flavonoids in eucalypt leaves are determined by spectrophotometry at the wavelength of 510 nm and NaNO2-Al(NO3)3-NaOH as colored reagent. The average value of contents of total flavonoids in eucalypt leaves was 4.9% and the average recovery of the method was 99.08%. The RSD of precision test and reproducibility test were 0.53%, and 2.1%, respectively.

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Available abstract

Using rutin as standard, contents of total flavonoids in eucalypt leaves are determined by spectrophotometry at the wavelength of 510 nm and NaNO2-Al(NO3)3-NaOH as colored reagent. The average value of contents of total flavonoids in eucalypt leaves was 4.9% and the average recovery of the method was 99.08%. The RSD of precision test and reproducibility test were 0.53%, and 2.1%, respectively.

Key concepts: Rutin, Spectrophotometry, Reproducibility, Chemistry, Chromatography, Reagent, Biochemistry, Antioxidant

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