2007
DOI: 10.1590/s0100-40422007000700030
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Terpenos e ácidos graxos de Dipteryx lacunifera Ducke

Abstract: Federal do Alagoas, 57072-970 Maceió -AL, BrasilRecebido em 6/10/06; aceito em 1/2/07; publicado na web em 28/5/07 TERPENES AND FATTY ACIDS FROM Dipteryx lacunifera Ducke. This paper describes the isolation of the furanocassane-type diterpene, named vinhaticoic acid, along with β-farnesene and spatulenol from fruit shells of D. lacunifera. Structural determinations were accomplished by chemical derivatization and spectral analysis, including 1D and 2D NMR and X-ray crystallography. The fatty portion was extrac… Show more

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Cited by 23 publications
(13 citation statements)
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“…7,8 Esse valor é relativamente elevado ao se comparar com os óleos de soja (18%), algodão (15%) e amendoim (40-43%), encontrando-se na faixa observada para a mamona (45-50%), colza (40-48%) e girassol (38-48%). 21 O óleo de garampara degomado apresentou índice de acidez igual a 0,17 ± 0,01 mg de KOH g -1 de óleo, portanto, dentro dos limites observados para óleos refinados (inferior a 6 mg KOH g -1 de óleo) 12 e com um valor adequado para o preparo do biodiesel (menor do que 1 mg KOH g -1 de óleo).…”
Section: Resultsunclassified
See 1 more Smart Citation
“…7,8 Esse valor é relativamente elevado ao se comparar com os óleos de soja (18%), algodão (15%) e amendoim (40-43%), encontrando-se na faixa observada para a mamona (45-50%), colza (40-48%) e girassol (38-48%). 21 O óleo de garampara degomado apresentou índice de acidez igual a 0,17 ± 0,01 mg de KOH g -1 de óleo, portanto, dentro dos limites observados para óleos refinados (inferior a 6 mg KOH g -1 de óleo) 12 e com um valor adequado para o preparo do biodiesel (menor do que 1 mg KOH g -1 de óleo).…”
Section: Resultsunclassified
“…6 As amêndoas desta espécie são ricas em óleo (39,25-45,6%), com composição química que inclui os ácidos: cáprico (C10:0; 0,0-0,8%), láurico (C12:0; 0,0-1,2%), palmítico (C16;0; 10,4-15,9%), linolênico (C8:3; 0,0-3,0%), linoleico (C18:2; 1,76-14,4%), oleico (C18:1; 36,1-75,8%), esteárico (C18;0; 4,6-7,3%), araquidônico (C20:4; 0,0-8,7%), araquídico (C20:0; 0,0-3,4%), erúcico (C22:1; 0,0-1,4%), behênico (C22:0; 0,0-4,2%) e lignocérico (C24:0; 0,6-3,5%). 7,8 Considerando a inexistência de estudos explorando as propriedades agroenergéticas da D. lacunifera, o presente trabalho teve como objetivos estudar as potencialidades do óleo das amêndoas desta espécie para a produção de biodiesel e investigar o efeito de antioxidantes no aumento da estabilidade à oxidação do biodiesel.…”
Section: Introductionunclassified
“…In this genus, the dispersal of the seeds is primarily barochoric, which needs a long period of tissues degradation to expose the seed; or can be made secondarily by rodents, which also can bury the seeds and improve the range of distances (Forget & Milleron 1991;Saravy et al 2003). The seeds of Dipteryx can attract rodents maybe due to the presence of unsaturated oil, protein, calcium and phosphorus, and in the case of D. alata and D. lacunifera they taste like peanut, being appreciated even by humans (Togashi 1993;Vieira-Jr. et al 2007). During the study of the diaspores we observed a capability to flotation of D. odorata and D. rosea, and in accordance to what was mentioned by Ducke (1940), we suggest the hidrochory as an alternative dispersal syndrome in the Amazonian Forest, once some species are near flooded areas.…”
Section: Diaspores Morphology Dispersal Considerations and Systematimentioning
confidence: 99%
“…Besides taxonomic information, the morphological analysis of fruits and seeds can provide ecological characteristics such as the type and capability of dispersion of the species (Van der Pijl 1956). In Dipterygeae we can find quite distinct dispersal patterns of the diaspores, where the typical genus Dipteryx, presents barochory, followed by a zoochorical sencondary dispersion (Almeida et al 1990;Vieira-Jr. et al 2007) or hydrochory (Ducke 1940). Pterodon is a typical genus of the open vegetation of the Brazilian "cerrado".…”
Section: Introductionmentioning
confidence: 99%
“…The oil extracted with ethyl ether at room temperature (extract I-MA) was transesterified according to the methodology previously described [9,12]. The fatty acid composition was determined by GC-FID and the CPFA confirmed by GC-MS.…”
Section: Determination Of Fatty Acid Methyl Ester Including Cpfa Bymentioning
confidence: 99%