- Inhibitory effects of methanol extract of seeds of Job's Tears (Coix lachryma-jobi L. var. ma-yuen) on nitric oxide and superoxide production in RAW 264.7 macrophages. Seo, W.G., Pae, H.O., Chai, K.Y., Yun, Y.G., Kwon, T.H., Chung, H.T. Immunopharmacology and immunotoxicology. (2000)