The Compendium of Caraka 1.25.33

1.25.33

tamuvāca bhagavānātreyaḥ yadāhārajātamagniveśa samāṃścaiva śarīradhātūn prakṛtau sthāpayati viṣamāṃśca samīkarotītyetaddhitaṃ viddhi viparītaṃ tvahitamiti ityetaddhitāhitalakṣaṇamanapavādaṃ bhavati //

The blessed Ātreya said to him: “Know that whatever article of food, Agniveśa, maintains the balanced bodily elements in their natural state and balances the imbalanced ones, is wholesome; but the contrary is unwholesome. Thus this definition of wholesome and unwholesome is unexceptionable.”