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Homoisoflavonoid derivatives from the roots of Ophiopogon japonicus and their in vitro anti-inflammation activity.
Three new homoisoflavonoids (1-3) were isolated from the roots of Ophiopogon japonicus (Liliaceae). The structures of new metabolites were determined on the basis of spectroscopic analyses includingExpand
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Triterpenoids from Camellia japonica and their cytotoxic activity.
From the ethyl acetate fraction of the stem bark of Camellia japonica, three new triterpenoids, 3beta-O-acetyl-16beta-hydroxy-12-oxoolean (6), 3beta-O-acetyl-16beta-hydroxy-11-oxoolean-12-ene (7),Expand
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Triterpene compounds isolated from Acer mandshuricum and their anti-inflammatory activity.
In our preliminary screening study on the anti-inflammatory activity, a new triterpene compound, aceranol acetate (1), was isolated along with five known compounds: beta-amyrin acetate (2); glutinolExpand
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Chalcone derivatives from the root bark of Morus alba L. act as inhibitors of PTP1B and α-glucosidase.
As part of our continuing research to obtain pharmacologically active compounds from Morus alba L. (Moraceae), four Diels-Alder type adducts (DAs) [morusalbins A-D], one isoprenylated flavonoidExpand
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Ergosta‐7,22‐diene‐2β,3α,9α‐triol from the Fruit Bodies of Ganoderma lucidum Induces Apoptosis in Human Myelocytic HL‐60 Cells
Ganoderma lucidum is known as a medicinal mushroom used in traditional medicine. In our study, the cytotoxic activities of 17 compounds (1–17) isolated from the fruiting bodies of G. lucidum wereExpand
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Comparative analysis of the anti-inflammatory activity of Huang-lian extracts in lipopolysaccharide-stimulated RAW264.7 murine macrophage-like cells using oligonucleotide microarrays
In this study, we attempted to determine the anti-inflammatory activity of a medicinal plant huang-lian using gene expression profiles as an index. Huang-line extracts (CEXs) were prepared from sevenExpand
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Anticholinesterase and antioxidant constituents from Gloiopeltis furcata.
Activity-directed isolation of the ethyl acetate, methylene chloride and n-hexane fractions of Gloiopeltis furcata resulted in the isolation of 18 compounds. Their structures were elucidated asExpand
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Alkaloids from Chelidonium majus and their inhibitory effects on LPS-induced NO production in RAW264.7 cells.
A new alkaloid, methyl 2'-(7,8-dihydrosanguinarine-8-yl)acetate (1), together with six known alkaloids, stylopine (2), protopine (3), norchelidonine (4), chelidonine (5), berberine (6), andExpand
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Magnoflorine from Coptidis Rhizoma protects high density lipoprotein during oxidant stress.
The objective of the present study was to investigate the beneficial properties of magnoflorine, an alkaloid isolated from coptidis rhizoma, on protecting human high density lipoprotein (HDL) againstExpand
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Inhibitory effects of Korean medicinal plants and camelliatannin H from Camellia japonica on human immunodeficiency virus type 1 protease
To identify substances with anti‐human immunodeficiency virus (HIV) activity in traditional medicines, 101 extracts of Korean medicinal plants were screened for their inhibitory effects on HIV type 1Expand
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