Abstract
Objective: Brassica rapa ssp. chinensis is a well-known vegetable plant (Family: Brassicaceae) often grown as a type of Chinese cabbage. The present study was designed to explore the thrombolytic, anthelmintic, anti-inflammatory, and antinociceptive activities of ethanolic extract of the Brassica rapa ssp. chinensis leaves. Methods: The in vitro thrombolytic activity of the leaf extract was evaluated by clot analysis using Streptokinase as a standard drug. The in vitro anthelmintic activity was assessed by applying four different concentrations of the plant extract (10 mg/ml, 20 mg/ml, 40 mg/ml, and 60mg/ml) and recording the time of paralysis and death of worms. Two different doses (100mg/kg and 250mg/kg b.w.) were administered to evaluate the anti-inflammatory activity of the carrageenan-induced paw edema model. The antinociceptive activity was evaluated by hot plate test in mice by two different doses (200mg/kg and 400 mg/kg b.w.). Results: The ethanolic leave extract had thrombolytic action, which broke up blood clots that had already formed. The ethanolic leaf extract showed both paralysis and faster worm death at those concentrations in the anthelmintic test. The extract showed significant anti-inflammatory action in pedal edema compared to the control group. The results show that the highest level of anti-inflammatory action against carrageenan-induced hind paw edema may be achieved with an ethanolic extract of Brassica rapa ssp. chinensis (250 mg/kg, p.o.). The proportion of maximum possible effect in the hot plate test was 82.49 percent in the antinociceptive evaluation. Conclusion: The pharmacological test of leaf extract endorsed the clinical uses of Brassica rapa ssp. chinensis in treating thrombosis, intestinal worms, and inflammation. Thus, this plant could be subjected to extensive bioactive compounds to discover novel therapeutic agents. Keywords: Brassica rapa ssp. chinensis, ethanolic extract, thrombolytic activity, anthelmintic activity, anti-inflammatory activity, antinociceptive activity
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