Abstract
Cognitive decline can be started at early adult. It may be prevented with administration of Centella asiatica (CeA). CeA already known has some medicinal values for the brain such as to increase dendritic growth, to improve cognitive function and memory performance in rats after chronic stress. Objective: This study is aimed to investigate effect CeA ethanol extract on spatial working memory of normal adult male rats. Eighteen normal adult male Wistar rats were divided into three groups: control/aquadest group and two groups treated with different doses (mg/kg) of CeA: 300 (CeA300) and 600 (CeA600). Ethanol extract of CeA were administrated orally for 28 consecutive days with weekly weight-adjusted dose. Memory performance was tested using Y-Maze before, on 14th days of treatment and after treatment. Data were analyzed using Kruskal-Wallis test and continued with Mann-Whitney test. Result: Treatment groups showed a better spatial working memory performance than control group, but there were no significant result between CeA300 and CeA600 groups (p < 0.05). Ethanol extract of CeA prevents spatial working memory decline on normal male adult Wistar rats. The optimum dosage of CeA might be 300 mg/kg of body weight.
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