A New Alkene Glycoside from the Leaves of Sasa quelpaertensis Nakai

we further investigated on the leaves of this bamboo grass of which the ethyl acetate extract displayed free radical scavenging activities.Production of free radicals in a living organism is primarily initiated from superoxide, which is generated as by-products in normal cellular metabolism. Free radicals are extremely re-active chemical species and can make a random attack to cel-lular lipids, proteins and DNA to cause their deterioration. It has been reported that a series of human illness such as infla-mmation, cardiovascular disease, rheumatoid arthritis and pre-mature body aging can be linked to the damaging action of reactive free radicals.