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Maria Auxiliadora Coelho Kaplan

Researcher at Federal University of Rio de Janeiro

Publications -  202
Citations -  4256

Maria Auxiliadora Coelho Kaplan is an academic researcher from Federal University of Rio de Janeiro. The author has contributed to research in topics: Essential oil & Piperaceae. The author has an hindex of 31, co-authored 200 publications receiving 3887 citations. Previous affiliations of Maria Auxiliadora Coelho Kaplan include University of São Paulo & Bar-Ilan University.

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Brazilian Bromeliaceae species: isolation of arylpropanoid acid derivatives and antiradical potential

Fabíola D. Rocha, +6 more
- 01 May 2010 - 
TL;DR: The polar rhizome extracts from Bromeliaceae representatives showed better antioxidant results than the extracts from leaves and fruits of the same species.
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Hypoglycemic Effect of the Methanol flower Extract of Piper Claussenianum and the Major Constituent 2',6'-dihydroxy-4'-methoxychalcone in Streptozotocin Diabetic Rats.

André M. Marques, +10 more
- 01 Mar 2015 - 
TL;DR: The inflorescence crude extract of P. claussenianum was found to be composed mainly by flavonoids and may be a potential natural source of compounds with hypoglycemic properties.
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Photosensitization and mutation induced in Escherichia coli and Saccharomyces cerevisiae strains by dorstenin, a psoralen analog isolated from Dorstenia bahiensis.

Daíse Lopes, +4 more
- 01 Dec 2001 - 
TL;DR: Compared to the high activities of psoralen and bergapten, dorstenin showed lower genotoxic effect and photosensitizing and mutational properties.
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A C‐Glucosylflavone from Leaves of Piper lhotzkyanum.

Davyson de Lima Moreira, +2 more
- 27 Feb 2001 - 
TL;DR: The dichloromethane fraction obtained from the methanolic extract of leaves of P. lhotzkyanum afforded a C-glucosylflavone (kaplanin) together with sakuranetin, methyl 4-methoxydihydroferulate and a mixture of methyl ferulate and dihydro-ferulate derivatives as mentioned in this paper.

IN-MIXTURE ANALYSIS OF TRITERPENES FROM Raphiodon echinus

Fábio De Sousa Menezes, +1 more
TL;DR: The acetone crude extract of Raphiodon echinus aerial parts (Lamiaceae) yielded pure betulinic acid and three mixtures of pentacyclic triterpenes as mentioned in this paper.