Phytochemical Screening of Korean Plants( I ) -On Urticaceae, Celastraceae, Rhamnaceae, Sterculiaceae and Rubiaceae-

국내(國內) 자생식물(自生植物)의 화학성분(化學成分) 검색(檢索)( I ) -쐐기풀과, 노박덩굴과, 갈매나무과, 벽오동과, 꼭두서니과에 대하여-

The presence of saponin, terpenoid, steroid, anthraquinone and flavonoid were screened with the usual test methods in forty five(sixty four parts) Korean plants belonging to Urticaceae, Celastraceae, Rhamnaceae, Sterculiceae and Rubiaceae. Plants were extracted with methanol and fractionated with hexane, chloroform, ethyl acetate and butanol. Each fraction was tested for the components. The result showed that in saponin test, 21 plants were positive and 11 plants were weak positive; in terpenoid and steroid test, 26 plants were strong positive; in anthraquinone test, 20 plants strong positive; in flavonoid test, 31 plants were positive and 9 plants were weak positive.