Crocin-4，一种类胡萝卜素，是有效和可透过血脑屏障的抗氧化剂。Crocin-4 可以抑制 Aβ 原纤维在脑中的聚集和伴随沉积。Crocin-4 可用于阿尔茨海默症的研究。Crocin-4 还具有抗肿瘤和抗炎活性。

Porcine dynorphin A (1-13) is a potent, endogenous κ opioid receptor agonist and is antinociceptive at physiological concentrations. Exposure to dynorphin A (1-13) causes acute increases in [Ca2+]i in individual neurons similar to increases seen with acute NMDA treatment.

鸢尾素具有抗真菌活性。