Abstract
Sodhana (Purification) is an important and principal pharmaceutical procedure for removing the impurities before the conversion of metals and minerals into Bhasma. There are different procedures like Svedana (vapouring), Mardana (grinding), Prakshalana (performing frequent ablutions), Galana (straining fluids), Avapa (substances are added into the liquefied metals), Nirvapa (metals are burnt to red hot and dipped in liquids), Bhavana (maceration), Bharjana (frying in pan) etc. specific process are described for the Sodhana of different metals and minerals. Sodhana of Parada (Mercury) was done in the specific mediums i.e. equal quantity of Nagavalli svarasa, Ardraka svarasa and Trikshara (Sarja, Yava, Tankana). Atomic Absorption Spectrometry study reveals that the higher levels of various elements and heavy metals are found in the Parada after the purification when compared with the Sodhana process. The raw Parada contains of Iron (4.7800), Copper (4.5840), Zinc (1.2280), Silver (0.304), Tin (3.7560), Cadmium (2.0534), Lead (2.3400), Arsenic (2.6500) elements in ppm levels before the purification. After the purification the analysis with AAS the results of elememts are Iron (2.5760), Copper (2.6520), Zinc (0.2800), Silver (0.044), Tin (1.6090), Cadmium (0.1330), Lead (0.9036), Arsenic (1.0146) ppm levels. This process adopted by the thesis work of Pharmaceutical Standardization of Panchavaktra Ras And Clinical Study In Amavata (Rheumatoid Arthritis) done by dr. B. Srinivasulu, Post Graduate Department of Rasashastra, Dr. Nori Rama Shastry Government Ayurvedic College, Vijayawada-2, Andhra Pradesh
Highlights
IntroductionThe immortal science of life is practiced in the Asian subcontinent since Vedic period have given vital importance to the practice of metal and mineral based therapies, includes use of Marana (incineration/calcification).Altered politico-socioeconomic compulsions made the development in Rasasastra consistent for centuries and thousands of formulations were formulated for the demanding society.Drugs used in Ayurveda broadly classified into three categories, viz., (a)Vegetable products, (b) Animal products, and (c) Metals and Minerals
Ayurveda, the immortal science of life is practiced in the Asian subcontinent since Vedic period have given vital importance to the practice of metal and mineral based therapies, includes use of Marana.Altered politico-socioeconomic compulsions made the development in Rasasastra consistent for centuries and thousands of formulations were formulated for the demanding society.Drugs used in Ayurveda broadly classified into three categories, viz., (a)Vegetable products, (b) Animal products, and (c) Metals and Minerals
Depending on the toxicity few are purified with the general purification methods and some with specific methods
Summary
The immortal science of life is practiced in the Asian subcontinent since Vedic period have given vital importance to the practice of metal and mineral based therapies, includes use of Marana (incineration/calcification).Altered politico-socioeconomic compulsions made the development in Rasasastra consistent for centuries and thousands of formulations were formulated for the demanding society.Drugs used in Ayurveda broadly classified into three categories, viz., (a)Vegetable products, (b) Animal products, and (c) Metals and Minerals. Very few animal products and still fewer metals and minerals were described in those texts. Metals described in these works include Iron, Copper, Gold, Lead, Tin, Silver and Copper pyrite. Metals for internal use were processed by impregnating with different kinds of decoctions as well as the juice of herbs, and thereafter, by drying in sun or shade. These metals were reduced to a fine powder form by grinding in a mortar and pestle, and administered to the patient either alone or in combination with several other drugs. Making a Bhasma or alkaline calcined powder of these metals was not very popular among the physicians of those days. (1)
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