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Chemical constituents and mushroom tyrosinase inhibition activity of Chloroxylon swietenia leaves
Chloroxylon swietenia coumarins fatty alcohol flavonoid glycoside tyrosinase inhibition activity
2010/4/8
From the leaves of Chloroxylon swietenia DC., 5 known secondary metabolites, namely 6, 8-diprenylumbelliferone (1), bergaptan (2), isopimpinellin (3), tritriacontanol (4), and isoquercetrin (5), were ...
Studies on the Chemical Constituents of Thymus serpyllum
Thymus serpyllum chemical constituents isolation structures antifungal
2010/4/16
Phytochemical investigations on the methanolic extract of Thymus serpyllum resulted in the isolation of 2 new compounds, 3-ketopentatriacontanoic acid (1) and 27-ketotriacontanol (2). The extract also...
Chemical Constituents of Galium tortumense
Galium tortumense Rubiaceae iridoid glycosides triterpenoids flavonol glycoside steroid
2010/4/19
From the aerial parts of Galium tortumense Ehrend & Schönb.-Tem., 8 iridoid glycosides, a flavonol glycoside, a oleanane-type triterpene acid, an ursan-type triterpene acid and a sterol were isol...
Chemical Constituents of Linaria aucheri
Linaria aucheri Scrophulariaceae lypophylic compounds b-amyrin antirrinoside linariin
2010/4/21
From the petroleum ether and methanol extracts of the aerial parts of Linaria aucheri (Scrophulariaceae) 6 known compounds: b-amyrin (1), ergost-7-en-3b-ol (2), stigmasta-5,22- E-dien-3b -ol (3), stig...
Chemical Constituents of Campanula lactiflora
Campanulaceae Campanula lactiflora flavonoid glycoside steroid aromatic ester
2010/4/21
A new flavonoid glycoside, 4'-O-(p-hydroxybenzoyl)-isorhamnetin-3,7- di-O-b-D-glucopyranoside (1), and 4 known compounds, sitosterol b-D-glucoside (2), bis(2-ethylhexyl) adipate (3), p-hydroxybenzoic ...
Chemical Constituents of Centaurea cuneifolia
Centaurea cuneifolia Compositae sesquiterpene lactones elemanolide lignan flavonoids triterpenes steroids
2010/6/29
The whole plant material fo Centaurea cuneifolia Sm. afforded three sesquiterpene lactones; cnicin (1), dehydromelitensin (2) and dehydromelitensin-8-[(2'-a-hydroxy-b- hydroxyethyl)-acryloyl)] (3), th...