Inhibitory Effect of Osthole from on Tobacco Mosaic Virus (TMV) Infection in .

The coumarin compound of osthole was extracted from and identified by LC-MS and H- and C-NMR. Osthole was tested for anti-virus activity against tobacco mosaic virus (TMV) using the half-leaf method. The results showed that stronger antiviral activity on TMV infection appeared in than that of eugenol and ningnanmycin, with inhibitory, protective, and curative effects of 72.

Antifungal Effect of Magnolol and Honokiol from on Causing Tobacco Brown Spot.

In this study, two phenol compounds, magnolol and honokiol, were extracted from and identified by LC-MS, H- and C-NMR. The magnolol and honokiol were shown to be effective against seven pathogenic fungi, including (Fr.) Keissl, (Link) Thom, f.