Perfil de ácidos graxos e propriedades físico químicas do óleo extraído das sementes de Banisteriopsis pubipetala (A.Juss.) Cuatrec. (Malpighiaceae)

Abstract

The species Banisteriopsis pubipetala (Malpighiaceae), occurs in the Brazilian cerrado, is a liana has anemochorous fruits with small seeds and lipid reserves. There are few studies on this species and the importance of investigating the composition occurs, due to other species of the same genus be studied and they have diverse biological activities. This study aimed to evaluate the presence of volatile compounds in the seeds by Headspace, fatty profile by gas chromatography coupled to mass spectrometry and the physicochemical properties of the oil extracted from the seeds of Banisteriopsis pubipetala. From the chromatographic analysis fatty acids were identified: palmitic, oleic, linoleic and eicosanoic. It has been found absence of volatile compounds in seeds. The physicochemical properties evaluated were: seed oil content (41%), moisture content (4.2%), pH (5.25), ash (0.08% m/m), acidity index (1.0 mg KOH·g-1), iodine (cg I2·g-1) and peroxides (0.5 meq·kg-1). The results were similar to other species of the same family and the cerrado. This information is the foundation for developing future research, since it is relevant to assess the possibility of bioprospecting and possible industrial use of this input, for example, in the pharmaceutical and cosmetic industry because of fatty acids present.