2-Hydroxyacetophenone is a principal root volatile of the Carissa edulis[1]. 2-Hydroxyacetophenone shows inhibitory effects on infection of HIV/SARS-CoV S pseudovirus with an IC50 of 1.8 mM[2].
[1]. M D Bentley, et al. 2-Hydroxyacetophenone: principal root volatile of the East African medicinal plant, Carissa edulis. J Nat Prod. Nov-Dec 1984;47(6):1056-7. [2]. Min Zhuang, et al. Procyanidins and butanol extract of Cinnamomi Cortex inhibit SARS-CoV infection. Antiviral Res. 2009 Apr;82(1):73-81.