Ayurvedic formulation Preparation of Aristas & Preparation of Asava Pharmacognosy

Ayurvedic formulation Preparation of Aristas & Preparation of Asava Pharmacognosy 

Preparation of Aristas & Preparation of Asava

Aristas & Asavas:  

They are also known as preparations contain self-generated alcohol (alcoholic preparations).  They are prepared by adding powdered drug or its decoction into solution of sugar/ Jaggery which facilitates the extraction of active principles present in the drugs.

these are the steps involved in preparation of Aristas & Asava

1. Crude drugs are coarsely powdered 
2. Decoction is prepared 
3. Filtered 
4. Mix other ingredient Contents are added to solution of sugar honey or jaggery 
5. Boiled cooled and transferred to wooden vessels 
6. Covered with an earthen lid 
7. Fermentation 
8. Filtered 
9. Stored

Standardization for Aristas & Asavas:

 1. It should be clear without any froth or foam at the top.

 2. It should not become sour upon standing.

 3. It should have a characteristic aromatic and alcoholic odour.

 4. These should be no effervescence produced. 

Example:

Aristas: Ashokarishta, Dasmularishta, Ashwgandharista, arjunarista,

Asavas: Arvindaswa, kumaryaswa, Vasakasava, Punarnavasa etc.