SB 11.25.28
pathyam putam anayastam
aharyam sattvikam smrtam
rajasam cendriya-prestham
tamasam carti-dasuci
Translation:
Food that is wholesome, pure and obtained without difficulty is in the mode of goodness, food that gives immediate pleasure to the senses is in the mode of passion, and food that is unclean and causes distress is in the mode of ignorance.
Purport:
Food in the mode of ignorance causes painful disease and ultimately premature death.