Journal
JOURNAL OF THE BRAZILIAN CHEMICAL SOCIETY
Volume 20, Issue 9, Pages 1598-1608Publisher
SOC BRASILEIRA QUIMICA
DOI: 10.1590/S0103-50532009000900006
Keywords
Aristolochia giberti; Aristolochiaceae; (-)-onocera-8,8 '-diol; essential oil; 2-butynedioate
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Funding
- Fundacao de Amparo a Pesquisa do Estado de Sao Paulo (FAPESP)
- Conselho Nacional de Desenvolvimento Cientifico e Tecnologico (CNPq)
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Fourteen compounds were isolated from Aristolochia giberti. These included a new triterperne, (-)-onocera-8,8'-diol. In addition, 3-hydroxypropanoate, acetate, and formate were detected by NMR techniques, which suggests that they are derivatives from 2-butynedioate, which is not detected by H-1 NMR. GC-MS and chemometric analyses of essential oils from stems and leaves showed great similarity between this cultivated species in Brazil and that in Argentina, which allowed us to confirm the species identity and to differentiate the oils according to the plant parts.
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