Peng Shinian furrowed his brow, an expression that left Mr. Zhao feeling uncertain. Just when Mr. Zhao was about to press for more details, Peng Shinian took a deep breath and said earnestly,
"I'm not sure how to explain it, but the toxicity of this poison is similar to that of tetrodotoxin (TTX). It mainly inhibits nerve conduction by affecting sodium channels. In short, it's an extremely terrifying toxin with a high fatality rate.
In nature, consuming shellfish that have eaten toxic blue-green algae after red tides can cause poisoning. Moreover, PSP persists in shellfish in a bound form, so the shellfish themselves are not harmed by ingesting the toxin;
When humans consume food containing the paralytic shellfish toxin, the toxin quickly releases and exhibits its toxic effects, with an incubation period of only a few minutes to a few hours. Symptoms include limb muscle paralysis, headache, nausea, drooling, fever, rashes, and the like.