الفهرس | Only 14 pages are availabe for public view |
Abstract The work presented in this thesis is acontribution to the phytochemical investigation of : ferual sinaica. the aerial parts of the plant was extracted by methylene chloride : methanol, then the extract is evaporated under reduced pressure to yield adark brown residue. the crude residue was fractionated by different techniques of chromatography e. g. column chromatography. |