Astanga Hrudaya
जाठरेणाग्निना योगाद्यदुदेति रसान्तरम्। रसानां परिणामान्ते स विपाक इति स्मृतः॥२०॥
Vipaka – taste after digestion:- The change in the tastes that a substance undergoes at the end of digestion by the association of Jatharagni (fire in the stomach – digestion power, digestive juice in stomach), is called as Vipaka (taste conversion after digestion).
english translation
jAThareNAgninA yogAdyadudeti rasAntaram। rasAnAM pariNAmAnte sa vipAka iti smRtaH॥20॥
hk transliteration by Sanscript