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Comparative assessment of extraction methods and quantitative estimation of luteolin in the leaves of Vitex negundo Linn. by HPLC
Asian Pacific Journal of Tropical Medicine ; (12): S289-S293, 2014.
Artículo en Chino | WPRIM | ID: wpr-951691
ABSTRACT

Objective:

To find out the ideal organic solvent and extraction technique for the isolation of luteolin from the leaves of Vitex negundo Linn. (V. negundo) by quantitative estimation of luteolin through high performance liquid chromatography (HPLC) method.

Methods:

The leaves of V. negundo were identified by a botanist, cleaned, dried under shade and powdered. Maceration, reflux, Soxhlet and ultrasound assisted extraction techniques were used for the extraction of luteolin from the leaves by using four different solvents of varying polarity such as methanol, ethanol, chloroform, and dichloromethane. A simple HPLC method was used to determine the quantity of luteolin in each sample extract.

Results:

The calibration plot of standard luteolin showed a linear relationship in the concentration range of 100-500 μg/mL with a correlation coefficient, r

Texto completo: Disponible Índice: WPRIM (Pacífico Occidental) Idioma: Chino Revista: Asian Pacific Journal of Tropical Medicine Año: 2014 Tipo del documento: Artículo

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Texto completo: Disponible Índice: WPRIM (Pacífico Occidental) Idioma: Chino Revista: Asian Pacific Journal of Tropical Medicine Año: 2014 Tipo del documento: Artículo