The Compendium of Caraka 1.25.36

1.25.36

tadyathā āhāratvamāhārasyaikavidhamarthābhedāt sa punardviyoniḥ sthāvarajaṅgamātmakatvāt dvividhaprabhāvaḥ hitāhitodarkaviśeṣāt caturvidhopayogaḥ pānāśanabhakṣyalehyopayogāt ṣaḍāsvādaḥ rasabhedataḥ ṣaḍvidhatvāt viṃśatiguṇaḥ gurulaghuṣītoṣṇasnigdharūkṣamandatīkṣṇasthirasaramṛdukaṭhinaviśadapicchilaślakṣṇakharasūkṣmasthūlasāndradravānugamāt aparisaṃkhyeyavikalpaḥ dravyasaṃyogakaraṇabāhulyāt //

Namely: the food-nature of food is of one kind, because there is no difference in its purpose. It has two sources, being of stationary and mobile nature. It has a two-fold effect, by virtue of the difference between wholesome and unwholesome ultimate results. It has a four-fold intake, through consumption as drink, chewed food, solid food, and electuary. It has six tastes, by virtue of being sixfold through division of tastes. It has twenty properties, by virtue of possessing heavy, light, cold, hot, unctuous, dry, dull, sharp, stable, mobile, soft, hard, clear, slimy, smooth, rough, minute, gross, dense, and liquid. It has countless variations, owing to the multitude of combinations and preparations of substances.