Morfo-anatomia, variabilidade química e atividade biológica do óleo fixo de sementes de apeiba tibourbou aubl. – malvaceae
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2010-12-15
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Universidade Federal de Goiás
Resumo
Apeiba tibourbou Aubl. is a arboreal plant found in Central America, northern Brazil to Minas
Gerais and São Paulo. Is well distributed in the Central West region of Brazil. The oil from its
seeds is used in Costa Rica to reduce hair loss and spasms treatments. This study aimed to
perform a morpho-anatomic and histochemical leaves, flowers and fruit of Apeiba tibourbou
and evaluate the physicochemical properties, lipid profile and power analgesic and anti inflammatory effect of the fixed oil from seeds by paw edema, formalin and carrageenan
methods. Samples of leaves, bark, flowers and fruits were collected from five individuals
(specimens). Samples were collected in the cities of Goiânia, Itauçu and Mossâmedes (Serra
Dourada Environmental Reserve). Morphoanatomy leaves, flowers and fruits was performed
by standard techniques. The fruits were manually benefited and the oil extracted was analyzed
as to their physical-chemical properties and lipid profile. Samples of soil and leaves were
collected and analyzed for the level of macro and micronutrients. Morphoanatomy showed
anatomic patterns matching those already presented by other authors for Malvaceae. The
following structures were observed: glandular and stellate trichomes were distributed by all
organs of the plant. Secretory cavities present in almost all cross-sections performed. The
average yield of the fixed oil of the seeds was 23.83%. The major constituent was 25.42%
with lauric acid, found in all samples. Palmitic with 23.50% was the second major, linoleic
acid, in third place with 11.51%. The fourth in per cent, with oleic acid and 9.30% in the fifth
with -linolenic acid 8.11%. With 3.27% eicosapentaenoic acid (EPA) should also be
considered the presence of docosahexaenoic acid (DHA) at 0.78%. In multivariate analysis of
the organic-chemical and environmental data of leaves, soil and seed oil was observed that
there is no change to oil chemistry regarding the environmental data. Regarding the analysis
of biological activity of fixed oil of A. tibourbou, showed the same power and anti inflammatory analgesic method of writhing induced by acetic acid method of pain induced by
formalin and paw edema induced by carrageenin. In this study, we observed that the oil of A.
tibourbou presents as main constituent fatty acid omega 3, omega 6, eicosapentaenoic acid
(EPA), docosahexaenoic acid (DHA), lauric acid and palmitic acid. Can be used with food
and medicinal purposes.
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BARROS, Marilda da Conceição Ribeiro e. Morfo-anatomia, variabilidade química e atividade biológica do óleo fixo de sementes de apeiba tibourbou aubl. – malvaceae. Orientador: José Realino de Paula. 2010. 167 f. Tese (Doutorado em Ciências Biológicas) - Instituto de Ciências Biológicas, Universidade Federal de Goiás, Goiânia, 2010.