A comparative study of the phenolic compounds of some Brassicaceae taxa by High-performance liquid chromatography (HPLC) technique
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Abstract
This study was conducted to determine the phenolic compounds that may be utilized as chemotaxonomic study to identify some phenolic compounds concentration that are useful for pharmaceutical purposes from 5 taxa belongs to the Brassicaceae family which are; Cardaria draba (L.) Desv., Lepidum aucheri Boiss., Sisymbrium irio L., Sisymbrium officinale (L.) Scop., and Sisymbrium septulatum DC. Leaves powder of these taxa were collected and analyzed by High-performance liquid chromatography (HPLC). The results identified 9 phenolic compounds, chlorogenic acid, cinnamic acid, ferulic acid, genstic acid, kaempferol, p-coumaric acid, protocatechuic acid, sinapic acid, and vanillic acid. The results showed that the genus Lepidium aucheri had the highest concentration of 4 phenolic compounds, cinnamic acid, genstic acid, p-coumaric acid, and sinapic acid with concentration of (37.2, 80.79, 62.91, and 37.10µg/ ml) respectively. On the other hand, the genus Cardaria draba showed the lowest concentration of 3 phenolic compounds, cinnamic acid, p- coumaric acid, and protocatechuic acid, and doesn't have 2 phenolic compounds, genstic acid and kaempferol. This variation in the phenolic concentrations might be due to the genotype and plant growth stage differences. The results of this study provide a source for bioactive compounds to future studies.
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