Globimetula braunii is a parasitic plant belonging to the family Loranthaceae. Traditionally, the plant has been reported to be used in the treatment of insomnia. The study was carried out to investigate the central nervous system (CNS) depressant activity of the fractions of Globimetula braunii growing on Terminalia catappa and to isolate the phytochemical compound(s) present in the most active fraction. The CNS depressant activity of all the fractions was investigated using diazepam induced sleep. The most active fraction was further subjected to the hole board test and beam walk assay. The chromatographic technique was used for the isolation of phytochemical compound. Hexane fraction significantly (p<0.05) reduced latency to sleep and prolonged the sleeping time. Both chloroform and ethylacetate fractions at highest and median doses showed significant increase in the duration of sleep compared to normal saline. The n-butanol fraction at all doses tested do not have any effect on time of onset and duration of sleep when compared with normal saline treated group. Hexane fraction significantly (p<0.05) decreased the number of head dip in a dose dependent manner and delayed the time to reach the goal box compared to normal saline treated group. Lupeol was isolated from n-hexane fraction.
Medicinal herbs have long been used as traditional medicine to treat infectious diseases. The increasing use of synthetic antibiotics today has led to an increase in resistant strains and high side effects. In this regard, every year many researchers from this huge plant source are sending a range of secondary compounds to the consumer market for the treatment of human diseases. Therefore, the identification of herbs with antimicrobial effects can help to produce new drugs with a broad spectrum of effects. This study, based on scientific references, describes information on the antimicrobial effects of rosemary.
Cissus cornifolia Baker - Planch (Family: Vitaceae) is used for various central nervous system disorders. The present study reported the sedative and central nervous depressant effects of fractions (butanol soluble portion and its flavonoid rich fraction) obtained from methanolic leaf extract of Cissus cornifolia using diazepam induced sleep, head-dip and motor coordination tests in mice at doses between 5 to 600 mg/kg body weight. The flavonoid rich column fraction 3 (CF3) significantly (p <0.05) prolonged the duration of sleep in mice at the dose of 10 and 20 mg/kg. Similarly, the butanol soluble portion significantly (p <0.001) prolonged the duration of diazepam induced sleep at 150, 300 and 600 mg/kg in a dose dependent manner. It also significantly (p <0.05) decreased the onset of sleep at the dose of 150 and 600 mg/kg. A dose dependent and significant (p <0.001) decrease in the mean number of head-dips was produced by the butanol soluble portion at all the doses tested. The butanol soluble portion at all the doses tested significantly (p <0.005) prolonged the time to complete the beam walk, however the extract did not produce a significant increase in number of foot slips. The results demonstrated that the butanol soluble fractions obtained from methanolic leaf extract of Cissus cornifolia posses sedative and central nervous system depressant activity, thus supporting its ethno medicinal use as a sedative in the management of central nervous system disorders.
Most medicines used in the treatment of human diseases today are extracted from herbs that have been considered as an herbal medicine in traditional medicine. As the use of synthetic drugs and the emergence of pathogenic strains has increased, efforts to replace chemical drugs with cost-effective herbal remedies have increased. In this regard, every year many researchers from this huge plant source are sending a range of secondary compounds to the consumer market for the treatment of human diseases. Therefore, the identification of herbs with antimicrobial effects can help to produce new drugs with a broad spectrum of effects. This study, based on scientific references, describes information on the antimicrobial effects of Mentha pulegium.
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