Asava and Arishta Kalpana
Asava Arishta are product of biofermentation in a specific way mentioned in Ayurvedic texts. The substance in which the qualities are multiplied due to sanskaara and sanyoja of different dravyas.
Sandhana Kalpana | Madya | Shukta kalpana
Sandhana Kalpana or the biomedical fermented formulations are the galenicals formed by fermentation of different herbs in water. The formulations such as Sura, madya, aasava, arishta etc. are well described in the Vedas.