kaṭv-amla-lavaṇāty-uṣhṇa- tīkṣhṇa-rūkṣha-vidāhinaḥ
āhārā rājasasyeṣhṭā duḥkha-śhokāmaya-pradāḥ||9||

Meaning : Foods that are bitter, sour, salty, hot, pungent, dry, and burning are preferred by people of rajasic (passionate) nature. Such foods cause pain, sorrow, and disease.