A Comparative study of Physio-chemical Properties and Pharmaceutical Process of Shilajit (Asphaltum punja-bianum) Purification with Triphala Kwatha (Decoction)and Lukewarm Water.
Introduction: Shilajit (Asphaltum punja-bianum) is a miraculous herbo-mineral drug in Ayurveda. Various purification methods for purification of Shilajit are being ascribed in classical texts. Present study is inclined to identify the differences in end products as well as process used while purifying Shilajit by soaking it in Triphala Kwatha (Decoction) and lukewarm water and drying in sun light and hot plate (Suryatapi & Agnitapi).
Methods: Shilajit was purified by soaking powdered raw material in Triphala Kwatha (TKPS). The process was followed by the cycle of decantation and maceration and drying the same in sunlight (Suryatapi) and hot plates (Agnitapi). The same processes were done for Shilajit samples soaked and purified in lukewarm water (LWPS). The 4 (four) samples namely Shilajit soaked in Triphala Kwatha(TKPS) and dried in Sunlight (TKPSS-Sample ‘A’) and on hot plate (TKPSH-Sample ‘B’), Shilajit soaked in lukewarm water (LWPS) and dried in Sunlight (LWPSS-Sample ‘C’) and dried on hot plate (LWPSH-Sample ‘D’), obtained were subjected to tests for their organoleptic characters. Determination of pH, loss on drying, Ash Value, Acid Insoluble Ash, Water Soluble Ash content, and solubility in water was carried out and compared.
Results: Triphala Kwatha (Decocation) purified Shilajit (TKPS) was found to contain more yields in comparison to lukewarm water purified Shilajit (LWPS). All the four samples have shown their attributes like Lingakara, Nirdhumatva and Tantuvata while examined on classical parameters. All samples have approximately the same organoleptic characters like blackish brown in colour with slight variance, and having cow urine like odour. TKPS have less pH, Acid insoluble Ash while high water soluble Ash contents. A minute difference was obtained on Total Ash Value and Water Soluble Ash content on the samples Shilajit dried with Sun lights and on hot plates.
Conclusions: Drying process in purification of Shilajit have impact on physico-chemical properties of purified samples. This study recommended further evaluation of end products of different purification methods using modern techniques.
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