11-Deoxymogroside IIE is a cucurbitane glycoside, isolated from Siraitia grosvenorii fruits.11-Deoxymogroside IIE has inhibitory effect against Epstein Barr virus ( EBV-EA ) activation induced by TPA, shows weak inhibitory effect on (+/-)-(E)-methyl1-2-[E-hydroxyimino]-5-nitro-6-methoxy-3-hexemide ( NOR1 ), a NO donor.