The Compendium of Caraka 1.27.351

1.27.351

karmāpavarge yaccoktaṃ taccāpyanne pratiṣṭhitam /
tatra ślokaḥ
annapānaguṇāḥ sāgryā vargā dvādaśa niścitāḥ //

and the action that is taught for liberation—that too is established in food. / Here is a summary verse: / The qualities of food and drink, along with prime things, have been determined in twelve groups;