shodhana
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In Rasa Shastra (the branch that deals with pharmaceutical processing of Ayurveda formulations), Shodhana is a process that is employed during the pharmaceutical processing either to detoxify, purify, or to potentiate the efficacy of the raw materials (of herbal, mineral, metal or animal origin).{{cite journal|last1=Maurya|first1=SK|last2=Seth|first2=A|last3=Laloo|first3=D|last4=Singh|first4=NK|last5=Gautam|first5=DN|last6=Singh|first6=AK|title=Śodhana: An Ayurvedic process for detoxification and modification of therapeutic activities of poisonous medicinal plants.|journal=Ancient Science of Life|date=2014|volume=34|issue=4|pages=188–97|pmid=26283803|pmc=4535066|doi=10.4103/0257-7941.160862 |doi-access=free }}
Shodhana is of two types in Rasashastra. Samanya or general purification method and Vishesha shodhana or the Specific methods of purification.