Bhagwad Gita
Chapter 17, Verse 9
कट्वम्ललवणात्युष्णतीक्ष्णरूक्षविदाहिनः।आहारा राजसस्येष्टा दुःखशोकामयप्रदाः।।17.9।।
The foods that are bitter, sour, salty, overly hot, pungent, dry, and burning are liked by the Rajasic and are productive of pain, grief, and disease.