The Compendium of Caraka 6.13.26

6.13.26

kaṭvamlalavaṇātyuṣṇatīkṣṇāgnyātapasevanaiḥ/
vidāhyadhyaśanājīrṇaiścāśu pittaṃ samācitam//

By the intake of pungent, sour, salty, excessively hot, and sharp foods, and fire and sunshine, / and by burning food, eating before previous food is digested, and indigestion, pitta is rapidly accumulated;