A New unsaturated Ketone and other constituents from Dioscorea bulbifera

Discorea bulbifera1 (Fam. Dioscoreaceae) in a
climber plant with tuberous root is found in
tropical part of the world and grows thought out
India. Tuber is used by the trivial population of
central India as a food particularly in Madhya
Pradesh, Chhattisgarh, Jharkhand and Orissa.
Plant is anthelmintic, aphrodisiac. Cooling,
diuretic, Sweet and tonic. It is also used in the
treatment of gonorrhoea, helminthiasis and
leprosy2
. It is used in the treatment of rheumatism
arthritis.3
They are also used in heart disease.
Phytochemical investigations on this plant species
have revealed the issolation of β–sitosterol and
aliphalic unsaturated Ketone (Compound I) and
Saturated Aliphatic ester both these compound are
new and not reported earlier