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Year : 2006  |  Volume : 27  |  Issue : 4  |  Page : 99-102

Pharmaceutical and Analytical Standardization of Loknath Rasa

Drug Standardization Research Section, Central Research Institute of Ayurveda, Aamkho, Gwalior-474009, India

Correspondence Address:
R B Saxena
Ex- Assistant Research Officer, 9, Ganesh Colony, Naya Bazar, Gwalior- 474009
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Source of Support: None, Conflict of Interest: None

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In Ayurveda the metals are known and used as Rasayana and as therapeutic agents since ancient times (800 -1000 BC). Their use in therapeutic was very limited due to their non conversion into suitable pharmaceutical form i.e. these were in fine powder only which was made treating those to red hot state and quenching into some of the herbal extractive. Only six metals (Gold, Silver, Copper, Iron, Tin and Lead) had been recognized for their medicinal values and used internally. In 8 th/9th century AD and onwards, when the development of Rasashastra has taken place in the field of Ayurveda, many new pharmaceutical processing techniques along with equipments and drugs were evolved and developed which have revolutionized Ayurvedic pharmaceutical technology to such anexent that by using that metals could be converted to such a form which is considered must suitable for their internal use in the body. Loknath rasa is mostly indicated in the disease like Yakrtplihodara (Hepato - spleeno - megaly), Gulma (Abdominal tumour) and Sotha (Inflammation), though it is available in the market but quality may not be up to standard and if the same is used internally produces some toxic effects on the body. Loknath rasa was prepared in two different methods i.e. Gujaputa and Electric muffle furnace. Muffle furnace method is found good than Gujaputa. According to adulteration point of view, Loknath rasa was prepared separately by mardan (rubbing) on nagvalli rasa (Piper betel Linn) and tap water; and compared the analytical values. Iron, Aluminium and Calcium values are found higher in the Jala (water) mardan while Mercury, Sulphar, Magnesium and Sulphate are found less in different method of preparation.

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