(m) prohibiting or regulating-
(i) addition of any water, or other diluent or adulterant to any article of food;
(ii) the abstrection and igredient from any article of food;
(iii) the sale of any article of food to which such addition or from which such attraction has been made or which has been otherwise artificially treated;
(iv) the mixing of two or more articles of food which are similar in nature or appearance;