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Copaifera is a genus of large trees found in Brazil, mainly in Amazon forest, but also in Atlantic forest and cerrado biomes. It… Expand The lipophilic and phenolic extractives of the ripe mesocarp of four cherimoya cultivars ('Perry Vidal', 'Mateus I', 'Mateus III… Expand Analysis of kaurenic acids present in Espeletiopsis angustifolia Cuatrec. from the Venezuelan Andes. Leaves of Espeletiopsis… Expand Amber occurrences in Brazil are rare. In this regard, the molecular composition of three such fossil resin samples from Brazilian… Expand Abstract Kaurenic and grandiflorenic acids are naturally occurring diterpenes whose biological activity has been described. Both… Expand Sixteen extracts, obtained from eight Brazilian plants of Annonaceae family, were screened for their antibacterial activity… Expand A systematic investigation on the trypanocidal effect of several natural products isolated from Brazilian plant species has been… Expand The effects of calcium agonists BAY-K8644 and CGP-28392 on steroidogenesis was examined in chicken granulosa cells in short term… Expand In an in vitro bioassay system for adrenocorticotropic hormone using isolated rat adrenal cells, kaurenol, a diterpene alcohol… Expand Cytochrome P-450 and cytochrome b(5) at levels of approximately 0.10 and 0.60 nanomole per milligram of microsomal protein were… Expand