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Determination of total polyphenols and catechins in betel nut polyphenol extract / 药学实践杂志
Journal of Pharmaceutical Practice ; (6): 243-247, 2022.
Article in Chinese | WPRIM | ID: wpr-924055
ABSTRACT
Objective To establish a method for the determination of total polyphenols and catechins in betel nut polyphenols extract, and provide reference for the quality control of betel nut polyphenols extract. Methods The content of total phenol in betel nut extract was determined by ultraviolet spectrophotometry. The content of catechins was determined by HPLC. Results The linear range of total polyphenols in betel nuts extract was 9.8~58.8 μg/ml. The three components of catechin, epicatechin and protocatechuic acid were completely separated by HPLC, and the linear relationship was good in their respective ranges, with the recoveries between 99.17% and 101.67%, the RSD between 1.2% and 2.5%. Conclusion The established method is simple, stable and reliable, which could be used for the quantitative analysis of betel polyphenol extract, and provide experimental basis for the quality control of betel polyphenol extract.

Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Journal of Pharmaceutical Practice Year: 2022 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Journal of Pharmaceutical Practice Year: 2022 Type: Article