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Anticholinesterase and anti-inflammatory constituents from beilschmiedia pulverulenta kosterm
Phytochemical investigation from the stem bark of Beilschmiedia pulverulenta resulted in the isolation of five lignans, (+)-yangambin ( 1 ), (+)-sesartemin ( 2 ), (+)-excelsin ( 3 ), (+)-sesamin ( 4Expand
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Chemical Compositions, Antioxidant and Antimicrobial Activity of the Essential Oils of Piper officinarum (Piperaceae)
This study was designed to investigate the antioxidant and antimicrobial activities of the essential oils from Piper officinarum C. DC. GC and GC/MS analysis of the leaf and stem oils showed fortyExpand
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Chemical Compositions, Antioxidant and Antimicrobial Activities of Essential Oils of Piper caninum Blume
Chemical composition, antioxidant and antimicrobial activities of the fresh leaves and stems oils of Piper caninum were investigated. A total of forty eight constituents were identified in the leavesExpand
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Essential oil compositions of Malaysian lauraceae: A mini review
Essential oils have been largely employed for human need due to their antibacterial, antifungal and insecticidal activities. At present, approximately 3000 essential oils are known, 300 of whichExpand
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Evaluation of Antioxidant, Anticholinesterase and Antityrosinase Activities of Malaysian Cinnamomum Species
The extracts of the leaves and bark of five Cinnamomum species ( C. altissimum , C. griffithii , C. javanicum , C. macrocarpum , and C. velutinum ) were screened to evaluate their antioxidant,Expand
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Madangones A and B: Two new neolignans from the stem bark of Beilschmiedia madang and their bioactivities
Two new neolignans, madangones A (1) and B (2), together with (+)-kunstlerone (3), vanillin, vanillic acid, betulin, β-sitosterol and β-sitostenone, were isolated from the stem bark of BeilschmiediaExpand
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Chemical Compositions and Biological Activities of Essential Oils of Beilschmiedia glabra
This study was designed to examine the chemical compositions of essential oils from Beilschmiedia glabra and their antioxidant, antimicrobial, antityrosinase, acetylcholinesterase andExpand
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Antioxidant and Anti-tyrosinase Activities from Piper officinarum C.DC (Piperaceae) -
The present study was carried out to evaluate antioxidant and anti-tyrosinase activities from Piper officinarum stems, as well as investigation of its chemical constituents. In a series of in vitroExpand
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Antioxidant activity and chemical constituents of some indonesian fruit peels
The ethanolic extracts and their fractions of some Indonesian fruit peels were screened for their free radical scavenging properties using vitamin-E as standard antioxidant. Free radical scavengingExpand
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Chemical constituents from Piper caninum and antibacterial activity
Six flavonoids and two amides, characterized as 5,7-dimethoxyflavanone (1), 5,7-dimethoxyflavone (2), 4',5,7- trimethoxyflavone (3), 4'-hydroxy-5,7-dimethoxyflavone (4), 5-hydroxy-7-methoxyflavoneExpand
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