Macro-and micromorphological study of root, stem and leaf of sonchus oleraceus l. growing in egypt

The macro- and micromorphology of the root, stem and leaf of Sonchus oleraceus L. were presented so as to facilitate its identification both in the entire and powdered forms

Macro- and micromorphological study of inflorescence and fruit of sonchus l. growing in Egypt

The macro- and micromorphology of the inflorescence and fruit of Sonchus oleraceus L. were presented with the view of finding out the diagnostic characters for identification of these organs in both the entire and powdered forms

Phytochemical investigation of sonchus oleraceus l growing in Egypt

The preliminary phytochemical screening and proximate analysis of Sonchus oleraceus L. [Asteraceae family] were presented. The methanolic extract of the herb was successively extracted with light- petroleum, chloroform, ethyl acetate and n-butanol. Lipoidal contents were detected in the light-petroleum and chloroformic extracts, while flavonoids were found in the ethyl acetate and n-butanol extracts. GLC investigation of fatty acid methyl esters of the saponifiable fraction of the light-petroleum extract revealed the presence of palmitic, linoleic and linolenic acids as the major components. Beta- sitosterol, cholesterol, beta-amyrin and taraxasterol in addition to a series of hydrocarbons [n-Cl7-n-C30] were isolated and /or identified in the unsaponifiable fraction. The pentacyclic triterpene, friedelane-3, 21-dione, 25-o1 was isolated and identified in the chloroform extract. The percentage of total flavonoids determined by complexation with aluminum chloride was 0.1% w/w. Three flavonoid glycosides viz. Luteolin-7-O glucoside, apigenin7-0-glucuronide and quercetrin were isolated and identified in the combined ethyl acetate and n-butanol extracts