title: Phytochemical and pharmacological studies on Sideritis taurica Stephan ex Wild.
abstract: Fatty acids (FA), hydrocarbons, alpha-amyrin, stigmasterol and beta-sitosterol were identified in the n-hexane extract of the aerial parts of Sideritis taurica Stephan ex Wild. Xanthotoxin, as well as 2-acetyl-3-hydroxy-5,6,8-trimethoxy-1,4-naphthoquinone were isolated from the methylene chloride extract of the plant. In addition to apigenin 7-O-beta-D-glucopyranoside and apigenin, previously reported from the plant, hypolaetin 7-O-beta-D-allopyranosyl-O-beta-D-glucopyranoside was isolated from the ethyl acetate extract. From the methanol extract, isoscutellarein 7-O-beta-D-allopyranosyl-O-beta-D-glucopyranoside was also isolated. Toxicity study of petroleum ether extract (f(1)), ethanolic extract (f(2)), dichloromethane fraction of f(2) (f(3)) and n-butanolic fraction of f(2) (f(4)) of the plant proved that it is relatively nontoxic. The tested extracts and fractions exhibited significant analgesic, anti-inflammatory, anti-ulcerogenic and antihyperglycaemic activities, but no anticonvulsant and antipyretic effects, as compared with control groups and reference drugs.
authors.affiliation: Pharmacognosy Department, Faculty of Pharmacy, Cairo University, Kasr-el-Aini Street, 11562 Cairo, Egypt. eaboutabl@hotmail.com
authors.forename: E A
authors.initials: EA
authors.lastname: Aboutabl
authors.forename: M I
authors.initials: MI
authors.lastname: Nassar
authors.forename: F M
authors.initials: FM
authors.lastname: Elsakhawy
authors.forename: Y A
authors.initials: YA
authors.lastname: Maklad
authors.forename: A F
authors.initials: AF
authors.lastname: Osman
authors.forename: E A M
authors.initials: EA
authors.lastname: El-Khrisy
mesh_terms: D000818:Animals; D004353:Drug Evaluation, Preclinical / Q000379:methods / Q000706:statistics & numerical data; D005260:Female; D008297:Male; D051379:Mice; D010147:Pain Measurement / Q000187:drug effects; D008517:Phytotherapy / Q000379:methods / Q000706:statistics & numerical data; D035261:Plant Components, Aerial / Q000737:chemistry; D010936:Plant Extracts / Q000737:chemistry / Q000302:isolation & purification / Q000494:pharmacology*; D051381:Rats; D031365:Sideritis / Q000737:chemistry
chemical_list: D010936:Plant Extracts