The Compendium of Caraka 3.1.25_7

3.1.25_7

nātidrutamaśnīyāt; atidrutaṃ hi bhuñjānasyotsnehanamavasādanaṃ bhojanasyāpratiṣṭhānaṃ ca, bhojyadoṣasādgaṇyopalabdhiśca na niyatā; tasmānnātidrutamaśnīyāt//

One should not eat too fast; for in one eating too fast, there occurs going the wrong way, depression, failure of the meal to sit well, and there is no certain apprehension of the flaws or excellence of the food; therefore, one should not eat too fast.