The Compendium of Caraka 1.25.49

1.25.49

tamuvāca bhagavānātreyaḥ dhānyaphalamūlasārapuṣpakāṇdāpatratvaco bhavantyāsavayonayo 'agniveśa saṃgraheṇāṣṭau śarkarānavamīkāḥ /

The venerable Ātreya said to him: “Agniveśa, the sources of fermented liquors are, in brief, eight: grains, fruits, roots, heartwoods, flowers, stalks, leaves, and barks, with sugar as the ninth.