neolignan/dichloromethane

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Biotransformation of an acyclic neolignan in rats.

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The biotransformation of an acyclic neolignan, (+)-erythro-(4,7-dihydroxy-3-methoxy-1'-allyl-3',5'-dimethoxy)-8-O-4' neolignan, in rats has been investigated. After administration of (+)-erythro-(4,7-dihydroxy-3-methoxy-1'-allyl-3',5'-dimethoxy)-8-O-4'-++ +neolignan to rat by intraperitoneal

Antifungal activity and nail permeation of nail lacquer containing Piper regnellii (Miq.) C. CD. var. pallescens (C. DC.) Yunck (Piperaceae) leave extracts and derivatives.

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The dermatophytes are filamentous fungi that cause cutaneous fungal infections because they use keratin as a nutrient source. For this study the antidermatophyte activity of the extracts and derivates from leaves of Piper regnellii was analyzed. From the dichloromethane extract (EBD) neolignans such

Substituted dineolignans from Magnolia garrettii.

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In the course of a study on lignan profiles of tropical and subtropical members of the Magnoliaceae, Magnolia garrettii, an evergreen tree known from northern Thailand, Vietnam, and southern Yunnan (China), was investigated. The work resulted in the isolation of two dimeric lignans from the

Evaluation of antifungal activity of Piper solmsianum C. DC. var. solmsianum (Piperaceae).

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We have studied the crude methanolic extract (CME), some fractions (hexane, dichloromethane and ethyl acetate) and four pure compounds: eupomatenoid-3 (1), eupomatenoid-5 (2), conocarpan (3) and orientin (4), from Piper solmsianum, for possible antifungal activity against 12 pathogenic fungi. The

Antifungal principles from Piper fulvescens.

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Activity-guided fractionation of the dichloromethane extract from leaves of Piper fulvescens, using an agar overlay bioautographic method, led to the isolation of three antifungal neolignans identified as conocarpan, eupomatenoid 5 and eupomatenoid 6. The minimal inhibitory concentration of these

Antibacterial activity of Morinda citrifolia Linneo seeds against Methicillin-Resistant Staphylococcus spp.

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In traditional medicine, Morinda citrifolia (Noni) is used to treat various ailments, including skin and respiratory-tract infections. In this work, a bio-directed study (seed extracts) with five bacteria was carried out against four clinical isolates of Methicillin-Resistant Staphylococcus (MRS)

In vitro and in vivo anticancer activity of extracts, fractions, and eupomatenoid-5 obtained from Piper regnellii leaves.

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Despite numerous studies with the Piper genus, there are no previous results reporting in vitro or in vivo Piper regnellii (Miq.) C. DC. var. regnellii anticancer activity. The aim of this study was to investigate P. regnellii in vitro and in vivo anticancer activity and further identify its active

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