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| Articles
by
Kittisak Sripanidkulchai |
Total Records (
2 ) for
Kittisak Sripanidkulchai |
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Jintanaporn Wattanathorn
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Prasert Pangpookiew
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Kittisak Sripanidkulchai
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Supaporn Muchimapura
and
Bungorn Sripanidkuchai
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To date, the search for novel pharmacotherapy from medicinal plants for psychiatric illnesses has significantly progressed. The present study was performed to evaluate the anxiolytic and antidepressant like activities of the K.parviflora rhizome extract. Aged male Wistar rats were orally administered the alcoholic extract of this plant at various doses ranging from 100, 200 and 300 mg kgˉ1 BW once daily for 7 days. The anxiolytic and antidepressant activities were performed after both single and repetitive treatment for 7 days using elevated plus maze and forced swimming tests respectively. The results showed that the extract decreased immobility time with the increase swimming time. However, no changes in number of open arm entries and time spent in open arm were observed. These results suggested the anti-depression activity of the plant extract. Therefore, K.parviflora may be served as a potential resource for natural psychotherapeutic agent against depression. However, further studies were still required. |
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Jian Su
,
Kittisak Sripanidkulchai
,
Ying Hu
and
Bungorn Sripanidkulchai
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Curcuma comosa Roxb. is widely used as a gynaecological traditional medicine in South-East Asia and recent behavioral studies have shown that C. comosa extract significantly improved the spatial memory in rats. The present study investigated the protective effects of Curcuma comosa hexane extract on the ethanol (EtOH)-induced oxidation in rat brains. Young female Wistar rats were given 20% of EtOH intraperitoneally to induce the oxidative stress. Subsequently, C. comosa hexane extract was intraperitoneally co-administered at the doses of 100 and 250 mg kg-1 b.wt. to the EtOH-induced rats for 14 days. The neuron densities of CA1, CA3 and CA4 areas of the hippocampus were counted and the activities of hippocampal Catalase (CAT), Glutathione Peroxidase (GPx) and Superoxide Dismutase (SOD) were determined. EtOH significantly decreased the neuron densities in Cornu Ammonis (CA), including CA1 and CA3 areas; however, the decrease was prevented by C. comosa co-administration. EtOH administration also increased the CAT and GPx activities in the hippocampus which were reversed by C. comosa co-administration. Moreover, C. comosa administration increased the SOD activity in a dose-dependent manner in the EtOH treated groups. C. comosa prevented the neuron loss in the hippocampus caused by EtOH. The possible neural protective mechanism may involve with the changes in activities of the antioxidant enzymes in the hippocampus. |
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