Chemical Constituents and Larvicidal Activity of Hymenaea courbaril Fruit Peel
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چکیده
منابع مشابه
Structure and rheological properties of a xyloglucan extracted from Hymenaea courbaril var. courbaril seeds.
Hymenaea courbaril var courbaril seed xyloglucan was efficiently extracted with 0.1M NaCl, followed by ethanol precipitation (yield=72±5% w/w). Its amorphous structure was identified by the pattern of X-ray diffraction. The monosaccharide composition was determined by GC/MS analysis of the alditol acetates and showed the occurrence of glucose:xylose:galactose:arabinose (40:34:20:6). One-(1D) an...
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Da casca do tronco de Hymenaea courbaril var. altissima (Ducke) foi isolado um novo entclerodano na forma de éster metílico, após esterificação com diazometano, o (-)-(5R,8S,9S,10R)clerod-3-en-15-oato de metila. Foram isolados também dois ent-labdanos conhecidos: o (-)-copalato de metila e (-)-eperuato de metila. Do extrato AcOEt do epicarpo foi isolado, após esterificação com diazometano, o (-...
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Article history: Received on: 09/07/2013 Revised on: 29/07/2013 Accepted on: 14/09/2013 Available online: 30/09/2013 Extracts and fractions from the leaves and stems of Tetracera breyniana Schltdl. were evaluated against the fourth instar Aedes aegypti larvae and ability to scavenge free radicals. Fractions that provided the best results were fractionated on silica gel column to afforded three ...
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The chemical composition of the essential oil obtained from the aerial parts of Laurus nobilis L. has been examined by gas chromatography (GC) and GC- mass spectrometery (MS). The main components of the oil were identified. 1,8-Cineole was the major component in the oil together with b-terpinyl acetate, terpinene-4-ol, a-pinene, b-pinene, p-cymene, linalool and ...
متن کاملThrombolytic Activity of Punica Granatum Fruit and Peel Extract
Objective: The present study was undertaken to investigate the thrombolytic activity of Punica granatum fruit and peel extract. Methods: Phytoconstituents and free radical scavenging activity of P. granatum extract were performed. Ethanolic and aqueous extract of fruit and peel of the plant was used for in vitro clot lysis activity using streptokinase (SK) as standard. In a series of pre-weighe...
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ژورنال
عنوان ژورنال: Natural Product Communications
سال: 2010
ISSN: 1934-578X,1555-9475
DOI: 10.1177/1934578x1000501231