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Estudo químico e biológico de Tephrosia toxicaria Pers.
The ethanol extracts from leaves, stems, pods and roots were assayed against the 3rd instar Aedes aegypti larvae and the highest activity was observed in the roots extracts (LC50 47.86 ppm). ThisExpand
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The Stemona Alkaloids
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Constituents and antioxidant activity of two varieties of coconut water (Cocos nucifera L.)
Uma analise dos componentes da agua-de-coco (Cocos nucifera L.) de duas variedades da fruta (verde e amarelo) por hidrodestilacao e extracao com solvente, mostrou a presenca de alcoois, cetonas,Expand
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Novel anthraquinone derivatives produced by Pestalotiopsis guepinii, an endophytic of the medicinal plant Virola michelii (Myristicaceae)
Um novo derivado de antraquinona, denominado guepinone (1), juntamente com as conhecidas substâncias isossulocrina (2) e cloroissosulocrina (3) foram isolados de uma cultura em arroz deExpand
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Coconut water (Cocos nucifera L.)—A new biocatalyst system for organic synthesis
A series of aliphatic and aromatic aldehydes and ketones was reduced using plant cell preparations from coconut juice, Cocos nucifera, also called ACC (agua-de-coco do Ceara). The reduced productsExpand
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Chemoenzymatic synthesis of rasagiline mesylate using lipases
Abstract A straightforward chemoenzymatic synthesis of rasagiline mesylate has been developed. The key steps for the introduction of chirality involved kinetic enzymatic resolution with lipases viaExpand
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New fungi for whole-cell biotransformation of carvone enantiomers. Novel p-menthane-2,8,9-triols production
Abstract The microbial biotransformation of carvone enantiomers by Lasiodiplodia theobromae, Trichoderma harzianum and Mucor circinelloides was investigated. Biotransformation experiments wereExpand
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Biotransformation of the Diterpene Ent-18,19-dihydroxytrachylobane by Rhizopus stolonifer
The diterpene ent-18,19-dihydroxytrachylobane was biotransformed for the first time by Rhizopus stolonifer, and yielded the new ent-11β,18,19-trihydroxytrachylobane derivative besides the newExpand
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