Efeitos comportamentais do consumo de óleo de dendê por ratos Wistar.

Abstract

Polyunsaturated fatty acids (PUFAs) found in vegetable fats and oils comprise the phospholipids of the membranes of neurons, is capable of modifying the physicochemical characteristics of the neuronal membranes, thus promoting changes in certain brain functions. Evidence has shown their involvement in behavior, Brain composition in animals and humans. The palm oil (Elaeis guineensis.) Has significant amounts of PUFAs containing linoleic acid (ALL) which is related to the development of the brain and retina during the prenatal and postnatal, but it is not yet clear whether the supplementation with palm oil during adolescence stage can influence behavior. The objective of this study was to investigate the behavioral changes of Wistar rats supplemented with palm oil. 24 rats were used Wistar aged 45 days and weighing approximately 150 g. They formed two groups: CON group receiving standard diet and distilled water by gavage, and the OD experimental group received standard diet supplementation and palm oil (1 ml / 100 g) by gavage for 4 weeks. To evaluate the effect of palm oil on anxiety of animals were carried out four tests for 5 minutes in the open field device. The ambulation, rearing (lift), self-cleaning (gooming) and defecation. 5 tests were performed for 5 minutes in the maze apparatus Cruz High. The residence time in the central area, the number of entries into the open arms, time spent in the arms, the number of closed arm entries and time spent in the closed arms. It was used for statistical analysis the T Student unpaired. Among the parameters analyzed, the amount of lift no statistical difference between the NOCs and OD groups, as well as the number of dung between the two groups, CON and OD. The self-cleaning (gooming), it was observed that the CON group remained similar to OD group and the maze apparatus in High Cross, wherein the group CON (p <0.05) gave input number greater when in the closed arms compared to the OD group. As for the input number of parameters in open arms and head diving, no differences were observed between the two groups. As for the time spent in the closed arms and open, the results presented by the CON group and the OD group were statistically similar. Only the residence time of the analysis in the central area, it was observed that the OD group was a longer time than the CON group (p <0.05). Therefore, this study demonstrated that consumption of palm oil during adolescence phase caused no significant effects in the question behavior.