BigPatents India

A method of extracting an essential oils from Cymbopogon winterianus plant using Clevenger apparatus and fractional distillation of the active compounds with Cleisen apparatus for protection against pests, comprising collecting Cymbopogon winterianus, small pieces taken into a round bottom flask, which is fitted with Clevenger apparatus for heating to which to which water is added and heated 80ºC for 8 hrs until water vapour starts passing through the condenser and circulation of oil mixture starts separating on the top of the water, resultant oil and water mixture allowed to fractional distillation to separate and collect the oil followed by fractional distillation which is carried under reduced pressure and temperature using Cleisen apparatus. Drawing: Nil Total Pages: 14.