The Materia Medica of the Hindus, compiled from Sanskrit Medical Works c5.s18.t2.36

c5.s18.t2.36

Two varieties of camphor are mentioned by Sanskrit writers, namely, pakva and apakva, that is prepared with the aid of heat and without it. The latter is considered superior to the former. It would seem from the above description that by the term *apakva karpura*, was probably meant the camphor obtained in Borneo from the trunk of *Dryobalanops aromatica*, (*Shorea Camphorifera*, *Roxb*). and by the term *pakva karpura*, the China camphor obtained by sublimation from the wood of *Cinnamomum Camphora*.