'''Keywords''': Pharmacology, Rasa (taste), [[guna]](quality), veerya (energy or potency of active drug molecule), vipaka (metabolite), ''prabhava'' (specific principle), [[panchamahabhuta]], therapeutic value. | '''Keywords''': Pharmacology, Rasa (taste), [[guna]](quality), veerya (energy or potency of active drug molecule), vipaka (metabolite), ''prabhava'' (specific principle), [[panchamahabhuta]], therapeutic value. |