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Determination of Polyphenolic Compounds of Washingtonia robusta H. Wendl Extracts

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Benahmed-Bouhafsoun A., Djebbar H., Kaid-Harche M.
Acta Physica Polonica A
|
2015
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vol. 128
|
issue 2B
B-465-B-466
EN
The aim of this study is to screen and to evaluate total amount of flavonoids and polyphenols methanolic extracts from Washingtonia robusta H. Wendl leaflets, rachis and roots. Washingtonia robusta leaflets and roots were powdered and subjected to extraction with 80% methanol solution and screened by various chemical tests and TLC studies. The total amounts of polyphenols and flavonoids were determined by the modified colorimetric method using the Folin-Ciocalteu reagent. Phytochemical analysis revealed the presence of flavonoids, tannins, coumarins and quinons. Alkaloids were not detected. In leaflets, the total amount of flavonoids is higher than in rachis and roots. However, the polyphenolic content is nearly the same in all parts of plant.
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