2. Formulation
Liquid dosage form = arista, asava etc.
Solid dosage form = vatika, gutika etc.
Semi solid dosage form = lehya , avaleha etc.
Powder dosage form = churna , bhasma etc.
3. ARISTA
The crude drugs are coarsely powdered and decoction[drug boil in hot water ] is prepared and filtered.
Other ingredients mixed and added guda ,sugar or honey.
Boiled,cooled and transfer to wooden pot or earthen pot .cover with earthen lid covered with 7 layered clay
smeared cloth.
Container kept in underground for 15-20 days constant temperature maintained for fermentation process .
Lid is removed.fliuid is filtered and stored for two days to settle down solid particles.
Packed in glass bottles and sealed .
example = ashokarista,ashwagandharista
4. Asava
Same as arsita exception decoction is not prepared in asava .
example = kumaryasava , arivindasava
5. Ghutika
The drug are convert into coarse powder and mixed with ingredients.
Made into a soft paste with specified liquids [milk,gomutra,water ]
Made into tablets [gutika],
example = pranda gutika etc.
6. Churna
Drug and other ingredient in formula are mixed and finely powederd.
Seived to get uniformly size particles and mixed to form powder .
example = triphalachurna etc.