Process and product standardisation of "77 oil" used for psoriasis in siddha medicine.

"777 oil" is a code drug of the Siddha system of medicine used in the treatment of Psoriasis. The drug is derived from the leaves Wrightia tinctoria by insolation, with coconut oil as base. The present study is aimed at comparing the drug prepared by insolation with that prepared in darkness.

Experimental studies on the fermentation of aravindasava.

Aravindasava was prepared as per the textual and modified methods. The modified methods involved the use of glass vessel and inoculation of the autoclaved drug with the yeasts isolated from Dasamularista and Pippaliasava.The quantity of alcohol produced in the glass vessel was more than that in the earthen pot by classical method.

Effect of insolation on '777 oil' used for psoriasis in siddha system of medicine.

"777 oil" is a coded drug of the Siddha system of medicine prescribed in Psoriasis. Sunlight plays an important role in the preparation of the drug as well as in the treatment of the cases.In vitro studies carried out with the drug exposed to sunlight for four hours showed an increase in acid and iodine values.

Chemical, microbiological and comparative fermentation studies on dasamularishta.

Dasamularista was prepared as per the national formulary to study the effect of container on the production of alcohol and the presence of microorganisms during the process of fermentation. Citraka (Plumbago rosea Linn.) which was one of the ingredient in the drug and subjected to "Sodhana" was also studied.

Effect of time on the fermentation and storage of candanasava.

Asavas and aristas are produced by fermentation. The usual fermenting period as per the texts is one month. But the Ayurvedic practitioners believe that prolonged incubation results in increased alcohol content of the products.