Sennoside A, a kind of irritant laxative isolated from rhei rhizome, causes purgative actions in the intestine.

Tomatine is a glycoalkaloid based adjuvant

Solasonine is a natural product isolated and purified from the herbs of Solanum nigrum L.

Solaso​​dine 下调microRNA-21 (miR-21)的活性，靶向RECK。Solaso​​dine 还可以减少 PI3K/Akt 信号传导途径并下调miR-21的表达。

N-trans-p-Coumaroyloctopamine is a natural product isolated and purified from the herbs of Datura arborea.

Sambutoxin, a natural product isolated and purified from the rotted potato tubers, can cause toxic effects in rats, including body weight loss, feed refusal, hemorrhage in the stomach and intestines, and, finally, death when rats were fed diets supplemented with 0.05 and 0.1% sambutoxin.