Results 71 to 80 of about 313 (93)
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Picrasma crenata Engl. in Engl. & Prantl
Medicinal and Aromatic Plants of the World, 2021Picrasma crenata Engl. in Engl. & Prantl, Simaroubaceae, is a dioecius tree, native to the South of Brazil and North Argentina. Its wood is used as a drug for the treatment of diabetes and pediculosis; these biological activities are partially validated by in vivo assays.
Ignacio J. Agudelo +4 more
exaly +2 more sources
Quassinoids from Picrasma Crenata
Natural Product Research, 2003From woods of Picrasma crenata, a new stereoisomer dihydronorneoquassin was obtained together with others well knowns dihydronorneoquassin, parain, alpha-neoquassin, beta-neoquassin and quassin. The structures were determined by spectroscopic data and chemical evidence.
Antonio G Ferreira
exaly +3 more sources
Quassinoids and Other Constituents from Picrasma crenata
Zeitschrift Fur Naturforschung - Section B Journal of Chemical Sciences, 2001Abstract 16-β-O-methylneoquassin and 16-β-O-ethylneoquassin, and four known quassi noids have been isolated together with coniferyl aldehyde, coniferin, cantin-6-one, 4,5-di-methoxycantin-6-one and (+)-neo-olivil from the wood of Picrasma crenata. Their structures were determined on basis of spectroscopic and X-ray analysis.
H. C. Krebs +3 more
exaly +2 more sources
Development and Validation of an HPLC Method for Analysis of Picrasma crenata
Journal of Liquid Chromatography & Related Technologies, 2008Abstract Picrasma crenata is a Brazilian tree, which is utilized to treat Diabetes mellitus, gastric perturbation, and hypertension. Quassinoids are the main constituents obtained from the wood of this plant. The relationship between the quassinoids and the biological effects reveal the interest of quantifying these constituents in P.
M. L. C. Cardoso +6 more
openaire +1 more source
Caderno Pedagógico
To expand knowledge about native species in southern Brazil, different types of extracts from the thin vinaceous bark of A. angustifolia and fragments of branches of P. crenata were evaluated. These were crushed and kept for fifteen days in contact with hydroalcoholic solutions at 70 % v/v and ethanolic (96 % v/v), seven days in the cold aqueous ...
Márcia Regina Pansera +6 more
openaire +1 more source
To expand knowledge about native species in southern Brazil, different types of extracts from the thin vinaceous bark of A. angustifolia and fragments of branches of P. crenata were evaluated. These were crushed and kept for fifteen days in contact with hydroalcoholic solutions at 70 % v/v and ethanolic (96 % v/v), seven days in the cold aqueous ...
Márcia Regina Pansera +6 more
openaire +1 more source
Picraquanines A－C, three new phenolic derivatives from the stems of Picrasma quassioides
Natural Product Research, 2021Rui Xu, Dongdong Zhang, Zheng-tao Wang
exaly