ayurvedha pages to read

 https://www.easyayurveda.com/2016/03/02/dhanyamla-dhara-benefits-procedure/

https://www.ayurlog.com/Archive/july_sept/issue_2015/2015030315.pdf

https://ijaas.org.in/Download/Journals/Vol%203%20No%204%202017/Sapana%20Chaudhary.pdf

The dravya which increases the agni-jatharagni is known as deepana and dravya which inceases the secretion in stomach and digests the food materials are known as pachana. Deepaniya dravya will increase food consumption, but they will not have the action of pacana or digestion.