Abstract: Pyrrolizidine alkaloids(PAs) are widely distributed in plantae.Many PAs are hepatotoxic,Lung toxicity(carcinogenesis),neurotoxic and cytotoxic.
And the chemical constituents of Stachys geobombycis was primarily demonstrated according to precipitadon reaction or color reaction with various indicator.
Objective To study the analgesic effect and the physical dependence of verticinone, which is an isosteroidal alkaloids isolated from Fritillariae Bulbus.
Diester deoxyaconitine is very toxic.When deoxyaconitine was transformed into mono-ester aconitum alkaloids and lipo-alkaloids by human intestinal bacteria, the toxicity decreased.
Fresh soap its components, trace alkaloids, inulin and plant-rich alcohol, as well as chamber and dandelion friedelin diterpene resin acids and other acids have been.
The magnoflorine is considered an effective component of decompression, but it has been studied to have blocking ganglion effect.There are many other alkaloids to be studied.
These tiny animals defend themselves using hundreds of bitter-tasting compounds called alkaloids that they accumulate from consuming small arthropods like mites and ants.
It's native to India and Southeast Asia, and its bark contains a poison called brucine, but the real lethality comes from the trees round green-to-orange fruit which contains the alkaloid strychnine.
One of their most potent alkaloids is the chemical epibatidine, which binds to the same receptors in the brain as nicotine but is at least ten times stronger.