Results 141 to 150 of about 1,044 (156)

Bioactive anthraquinone glycosides from Picramnia antidesma ssp. Fessonia

Phytochemistry, 1995
A bioactivity guided fractionation, using KB cells and brine shrimp assays, of the methanolic extract from the leaves of Picramnia antidesma yielded two known anthraquinones, aloe-emodin and aloe-emodin anthrone, and three new aloe-emodin C-glycosides, named picramnioside A, picramnioside B and picramnioside C.
P N, Solis, A G, Ravelo, A G, Gonzalez, M P, Gupta, J D, Phillipson   +4 more
openaire   +2 more sources

ChemInform Abstract: Mayoside, an Oxanthrone from Picramnia hirsuta.

ChemInform, 1996
AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a “Full Text” option. The original article is trackable via the “References” option.
M. DEL R. HERNANDEZ‐MEDEL, O. LOPEZ‐MARQUEZ, R. SANTILLAN, A. TRIGOS   +3 more
openaire   +1 more source

Structure Elucidation and Absolute Configuration Determination of Nortriterpenoids from Picramnia glazioviana

Journal of Natural Products, 2020
In this study, HPLC-PDA-HRMS-SPE-NMR data were used for initial analysis of the CH2Cl2 fraction of an EtOH extract of the leaves of Picramnia glazioviana. The HRMS, UV, and NMR data obtained from the HPLC-PDA-HRMS-SPE-NMR analysis were used to direct semipreparative HPLC isolation toward nortriterpenoids, which resulted in the isolation of 18 new and ...
Leila Gimenes, Liany Luna-Dulcey, Joao M. Batista, Fernando M. dos Santos, Cecília P. Popolin, Marcia R. Cominetti, Joao B. Fernandes, Dan Staerk   +7 more
openaire   +3 more sources

ChemInform Abstract: Anthrone and Oxanthrone C,O‐Diglycosides from Picramnia teapensis.

ChemInform, 2001
AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a “Full Text” option. The original article is trackable via the “References” option.
Tatiana Rodriguez‐Gamboa, Sandra R. Victor, Joao B. Fernandes, Edson Rodrigues Fo, M. Fatima das G. F. da Silva, Paulo C. Vieira, Fernando C. Pagnocca, Odair C. Bueno, Maria Jose A. Hebling, Oscar Castro C.   +9 more
openaire   +1 more source

Anthrone and Oxanthrone C-Glycosides from Picramnia latifolia Collected in Peru

Journal of Natural Products, 2004
Cytotoxicity-based, bioassay-guided fractionation of the chloroform-soluble extracts of both the roots and leaves of Picramnia latifolia led to the isolation of two new anthrone C-glycosides, picramniosides G (1) and H (2), two new oxanthrone C-glycosides, mayosides D (3) and E (4), and a new benzanthrone natural product, 6,8-dihydroxy-10-methyl-7H ...
Fredyc, Diaz, Hee-Byung, Chai, Qiuwen, Mi, Bao-Ning, Su, Jose Schunke, Vigo, James G, Graham, Fernando, Cabieses, Norman R, Farnsworth, Geoffrey A, Cordell, John M, Pezzuto, Steven M, Swanson, A Douglas, Kinghorn   +11 more
openaire   +2 more sources

Treatment of real wastewater with TiO2-films sensitized by a natural-dye obtained from Picramnia sellowii

Journal of Environmental Chemical Engineering, 2016
Abstract A natural dye extracted from Picramnia sellowii (Chokanari) was used to prepare sensitized TiO 2 films. Dyes and heterotrophic microorganisms present in wastewater were treated by photocatalysis using visible light. A factorial design 2 3 was employed to select the operational conditions to sensitize TiO 2 films.
J.A. Fernández, A. Suan, J.C. Ramírez, J. Robles, J.C Salcedo, A.M. Pedroza, C.E. Daza   +6 more
openaire   +1 more source

Picraviane A and B: Nortriterpenes with limonoid-like skeletons containing a heptanolide E-ring system from Picramnia glazioviana

Phytochemistry, 2019
Two highly oxygenated nortriterpenes, picraviane A and B, were isolated from the ethanolic extract of Picramnia glazioviana Engl. The structures were determined by analysis of HRMS and 2D NMR spectroscopic data. Single-crystal X-ray diffraction data was also obtained for picraviane B.
Gimenes, Leila, Batista Junior, Joao Marcos, dos Santos Junior, Fernando Martins, Souza, Matheus da Silva, Luna-Dulcey, Liany, Ellena, Javier, Cominetti, Marcia Regina, da Silva, Maria Fatima das Graças Fernandes, Vieira, Paulo Cezar, Fernandes, Joao Bastita, Stærk, Dan   +10 more
openaire   +3 more sources

Phylogenomic analysis of Picramnia, Alvaradoa, and Leitneria supports the independent Picramniales

Journal of Systematics and Evolution, 2017
AbstractPicramniales is a recently established monotypic order that has not yet acquired a stable position on the phylogenetic tree of flowering plants. While Picramnia and Alvaradoa were transferred from Simaroubaceae (Sapindales) into Picramniaceae (Picramniales), Leitneria was transferred from the “hamamelids” into Simaroubaceae.
Maria D. Logacheva, Alexey B. Shipunov
openaire   +1 more source

Actividad química y biológica de Picramnia latifolia

2020
Trabajo
Benjumea Villarreal, Maria Camila, Pomare Vergara, Karen   +1 more
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Revisão taxonômica de Picramnia Sw. (Simaroubaceae) no Brasil

2023
openaire   +1 more source