Scorpion

Its main components are pharmacologically active peptides and proteins such as Mesobuthus martensii neurotoxin I and neurotoxin II, and it also contains betaine, taurine, cholesterol, lecithin, etc.

1. Anticonvulsant effect: Mice orally given Zhijing Powder (equal-parts mixture of scorpion and centipede dry powders) 1 g daily, after 1, 3, and 9 days of consecutive use, antagonize convulsions induced by pentylenetetrazole, strychnine, and nicotine; the effect against strychnine convulsions is most marked, then nicotine, then pentylenetetrazole, while cocaine has none. 2. Effect on the cardiovascular system: Intravenous scorpion infusion and decoction both cause a transient drop in rabbit and dog blood pressure (a few show temporary rise) but quickly recover, followed by a gradually persistent pressure drop lasting over 1–3 hours.

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