Astanga Hrudaya
जीर्णाजीर्णविशङ्कायां पुनरुष्णोदकं पिबेत्। तेनोद्गारविशुद्धिः स्यात्ततश्च लघुता रुचिः॥२४॥
In case of doubts regarding digestion of the fat, warm water should be consumed again; Purification, clear belching, feeling of lightness in the body and desire for food – these 3 symptoms suggest that the fat has been completely digested.
english translation
jIrNAjIrNavizaGkAyAM punaruSNodakaM pibet। tenodgAravizuddhiH syAttatazca laghutA ruciH॥24॥
hk transliteration by Sanscript