BMC complementary and alternative medicine · 2014
Central-stimulating and analgesic activity of the ethanolic extract of Alternanthera sessilis in mice.
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Mondal Himangsu, Saha Sanjib, Awang Khalijah, Hossain Hemayet, Ablat Abdulwali, Islam Md Khirul, Jahan Ismet Ara, Sadhu Samir K, Hossain Md Golam, Shilpi Jamil A, Uddin Shaikh J
Аннотация
BACKGROUND: Alternanthera sessilis is a popular vegetable and used in traditional medicinal practice of Bangladesh and other parts of Asia to relive tiredness, laziness, and sleeps as well as pain and inflammation. However, no report was found on the neuropharmacological and analgesic activity of this plant to-date. Present study was undertaken to evaluate the neuropharmacological and analgesic activity of the ethanol extract of A. sessilis whole plant (ETAS) in mice models.
METHODS: Central stimulating activity was investigated by pentobarbitone induced sleeping time, open field, and hole cross tests. Analgesic activity was evaluated by acetic acid induced writhing and hot-plate methods. The tests were performed at 250 and 500 mg/kg body weight dose levels.
RESULTS: In sleeping time test, ETAS significantly (p < 0.001) increased the onset of sleep, and decreased the duration of sleep. In open field and hole cross tests, ETAS significantly (p < 0.001) increased the movements of mice which persisted throughout the study period. In writhing test, ETAS showed, significant (p < 0.001) inhibition of writhing reflex. In hot plate test, ETAS significantly (p < 0.001) raised the pain threshold. In HPLC analysis for polyphenols, (+)-catechin, rutin, ellagic acid, and quercetin were detected in ETAS (117.72, 490.74, 3007.26, and 13.85 mg/100 g of dry extract, respectively).
CONCLUSION: Present study supported the traditional uses of A. sessilis and indicated that the plant can be a potential source of bioactive molecules.
METHODS: Central stimulating activity was investigated by pentobarbitone induced sleeping time, open field, and hole cross tests. Analgesic activity was evaluated by acetic acid induced writhing and hot-plate methods. The tests were performed at 250 and 500 mg/kg body weight dose levels.
RESULTS: In sleeping time test, ETAS significantly (p < 0.001) increased the onset of sleep, and decreased the duration of sleep. In open field and hole cross tests, ETAS significantly (p < 0.001) increased the movements of mice which persisted throughout the study period. In writhing test, ETAS showed, significant (p < 0.001) inhibition of writhing reflex. In hot plate test, ETAS significantly (p < 0.001) raised the pain threshold. In HPLC analysis for polyphenols, (+)-catechin, rutin, ellagic acid, and quercetin were detected in ETAS (117.72, 490.74, 3007.26, and 13.85 mg/100 g of dry extract, respectively).
CONCLUSION: Present study supported the traditional uses of A. sessilis and indicated that the plant can be a potential source of bioactive molecules.