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The Pottali rasayana Kalpana is one among the four types of rejuvenation formulations (Chaturvidh rasayana Kalpana) of mercury (Parad). They are known for its specific method of preparation, unique end product, optimum potency, smaller dosage and larger therapeutic applicability. Praval garbha pottali is a herbo-mineral complex formulation. Gandhak paka method was selected for preparation as it is the most commonly used procedure. It also is a best method to enhance the efficiency of the drugs and keep them in a concise form. The description of Pottali rasayana Kalpana is found in numerous Rasagranthas (Classical books of Rasa shastra); however, very less research work is carried out on them, and minimal research is carried out on Praval garbha pottali. Pottali rasayana Kalpana are not well-versed in current ayurvedic practice due to the lack of research study. XRD, FTIR, and EDS mapping is carried out on the prepared pravalgarbha pottali.
Pilankar et al. (Tue,) studied this question.