Dactylorhin A是从Gymnadenia conopsea根茎中分离得到的琥珀酸衍生物酯，能够中度抑制RAW 264.7巨噬细胞中的一氧化氮（NO）产生，显示出一定的抗炎活性。

SNAP 是一种一氧化氮供体，作为稳定的血小板聚集抑制剂使用。

Tussilagone, a natural product isolated and purified from the flower of Tussilago farfara, has potential treatment of neuro-inflammatory diseases through the inhibition of overproduction of nitric oxide and prostaglandin E(2) .

Crocin, a natural product with anti-inflammatory, antihyperlipidemic, antidepressant and anti-apoptotic effects, can ameliorate CCl4-induced liver injury via inhibition of inflammatory cytokines, caspase3 and oxidative stress along with modulation of liver metabolizing enzymes favoring elimination of CCl4 toxic metabolite, it's isolated and purified from the stigma of Crocus sativus L..