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Characterization of the components present in the active fractions of health gingers (Curcuma xanthorrhiza and Zingiber zerumbet) by HPLC–DAD–ESIMS
Abstract Curcuma xanthorrhiza and Zingiber zerumbet are two of the most commonly used ingredients in Indo-Malaysian traditional medicines, health supplements and tonics. Recently, a number ofExpand
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Cardamonin, inhibits pro-inflammatory mediators in activated RAW 264.7 cells and whole blood.
Some chalcones, such as hydroxychalcones have been reported previously to inhibit major pro-inflammatory mediators such as nitric oxide (NO), prostaglandin E(2) (PGE(2)), tumor necrosis factor-alphaExpand
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Cytotoxic caged-polyprenylated xanthonoids and a xanthone from Garcinia cantleyana.
Phytochemical studies on the leaves and trunk bark of Garcinia cantleyana yielded five caged-xanthonoids including one tetra- and four tri-prenylated xanthones, cantleyanone A (1),Expand
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Antioxidant, radical-scavenging, anti-inflammatory, cytotoxic and antibacterial activities of methanolic extracts of some Hedyotis species.
The antioxidant, radical-scavenging, anti-inflammatory, cytotoxic and antibacterial activities of methanolic extracts of seven Hedyotisspecies were investigated. The antioxidant activity wasExpand
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cis-Clerodane-type furanoditerpenoids from Tinospora crispa.
Phytochemical and cytotoxicity investigations on organic solvent extracts of the aerial parts of Tinospora crispa have led to the isolation of 15 cis-clerodane-type furanoditerpenoids. Of these, nineExpand
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Curcumin-like diarylpentanoid analogues as melanogenesis inhibitors
Anti-melanogenesis screening of 47 synthesized curcumin-like diarylpentanoid analogues was performed to show that some had a potent inhibitory effect on the melanogenesis in B16 melanoma cells. TheirExpand
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Comparison of antioxidative properties of carbazole alkaloids from Murraya koenigii leaves.
A new dimeric carbazole alkaloid, 8,10'-[3,3',11,11'-tetrahydro-9,9'-dihydroxy-3,3',5,8'-tetramethyl-3,3'-bis(4-methyl-3-pentenyl)]bipyrano[3,2-a]carbazole (12), was isolated from the CH(2)Cl(2)Expand
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Antifungal Garcinia Acid Esters From The Fruits Of Garcinia Atroviridis
Two new garcinia acid derivatives, 2-(butoxycarbonylmethyl)-3-butoxycarbonyl-2-hydroxy- 3-propanolide and 1′,1′-dibutyl methyl hydroxycitrate, were isolated from the fruits of Garcinia atroviridisExpand
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A geranylacetophenone from the leaves of Melicope ptelefolia
The leaves of Melicope ptelefolia (Rutaceae) afforded a new acetophenone named 2,4,6-trihydroxy-3-geranylacetophenone. The structure of the compound was established by mass and NMR spectroscopy.
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Chrotacumines A-D, chromone alkaloids from Dysoxylum acutangulum.
Four new chromone alkaloids, chrotacumines A-D (1-4), consisting of a 5,7-dihydroxy-2-methylchromone, an N-Me piperidine ring, and an ester side chain were isolated from Dysoxylum acutangulum, andExpand
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