(2) "Chemical preservative," as used in this section, means any substance, including but not limited to antibiotics, which when added to fryers tends to prevent or retard deterioration of the fryer, but does not include common salt, sugars, vinegars, spices or oils extracted from spices, or substances added to food by direct exposure to wood smoke.
(3) Subsections (1) and (2) of this section do not apply to a fryer or immediate container which bears a label provided under section 81.120 of the United States Department of Agriculture Regulations issued pursuant to the Poultry Products Inspection Act (71 Stat. 441), as amended by the Wholesome Poultry Products Act of August 18, 1969, (82 Stat. 971; U.S.C. 451) et seq. [1959 c.385 §5; 1973 c.174 §14]