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Insecticidal activity and chemical composition of volatile oils from Hyptis martiusii Benth.
The essential oils from leaves and inflorescences of Hyptis martiusii Benth were analyzed by GC-MS. Twenty-six compounds representing 93.2% of the essential oil of leaves were characterized;Expand
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Cytotoxic Abietane Diterpenes from Hyptis martiusii Benth.
From roots of Hyptis martiusii Benth. two tanshinone diterpenes were isolated, the new 7β-hydroxy-11,14-dioxoabieta-8,12-diene (1) in addition to the known 7α-acetoxy-12-hydroxy-Expand
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Abietane diterpenes from Hyptis platanifolia
Das raizes de Hyptis platanifolia foram isolados tres novos diterpenos abietanos 19-oxo-inuroyleanol, 11,14-di-hidroxi-12-metoxi-7-oxo-8,11,13-abietatrien-19,20 b-olideo andExpand
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Antinociceptive Activity of Ethanol Extract from Duguetia chrysocarpa Maas (Annonaceae)
The ethanol extract from the fruits of Duguetia chrysocarpa was evaluated for its antinociceptive activity in chemical and thermal models of nociception in mice. The intraperitoneal administration ofExpand
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Spectral assignments of new diterpenes from Hyptis martiusii Benth.
The structural characterization of two new abietanes and a new spiro-fused tricyclic diterpene isolated from the roots of Hyptis martiusii is described. The first member of a new class of rearrangedExpand
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A Brief Review on the Neuroprotective Mechanisms of Vitexin
The neural dysfunction is triggered by cellular and molecular events that provoke neurotoxicity and neural death. Currently, neurodegenerative diseases are increasingly common, and availableExpand
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Chemical composition and antibacterial activity of essential oil from leaves of Croton heliotropiifolius in different seasons of the year
This paper reports the first study of the variation of the chemical composition and abundance of the essential oil of Croton heliotropiifolius, in four seasons, and the evaluation of itsExpand
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Antibacterial activity of terpenoids isolated from Cnidoscolus quercifolius Pohl (Euphorbiaceae), a Brazilian medicinal plant from Caatinga biome
Abstract Introduction Cnidoscolus quercifolius Pohl (Euphorbiaceae) is a Brazilian medicinal plant, popularly known as “favela”, “faveleira” and “urtiga-branca”. In folk medicine, its leaves and stemExpand
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Chemical constituents isolated from extracts of Annona vepretorum Mart. (Annonaceae) leaves
Annona vepretorum Mart. is a medicinal plant endemic to Brazil, popularly known as "araticum", “bruteira” and “pinha da Caatinga”. In this study, the chemical composition of different leaf extractsExpand
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Gas chromatographymass spectrometry (GC-MS) analysis of the constituents of the fixed oils obtained from the barks, leaves and stems of Spondias tuberosa Arruda (Anacardiaceae)
Spondias tuberosa Arruda (Anacardiaceae) is an endemic tree in the Caatinga Brazilian Biome, known locally as "umbuzeiro" and used for various purposes, especially as food and folk medicine. In thisExpand
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