P-29, r. 1 - Regulation respecting food

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7.1.3. Denaturant: The term “denaturant” means a marking agent consisting in an aqueous solution containing a volume of at least 75% of particulate charcoal ground to a maximum size of 1 mm.
R.R.Q., 1981, c. P-29, r. 1, s. 7.1.3.