Any drug or article of food shall be deemed to be adulterated within the meaning of this article:

(a) In the case of drugs: (1) If, when sold under or by a name recognized in the United States Pharmacopoeia official at that time, it differs from the standard of strength, quality or purity laid down therein; (2) if, when sold under or by a name not recognized in the United States Pharmacopoeia official at the time, but which is found in some other pharmacopoeia or other standard work of materia medica, it differs materially from the standard of strength, quality or purity laid down in such work; (3) if its strength, quality or purity falls below the professed standard under which it is sold; (4) if it be an imitation of, or offered for sale under the name of, another article; (5) if the contents of the package as originally put up shall have been removed in whole or in part, and other contents shall have been placed in such package, or if the package fails to bear a statement on the label of the quantity or proportion of any alcohol, morphine, opium, cocaine, heroin, alpha or beta eucaine, chloroform, cannabis indicia, chloral hydrate, acetanilide or any derivative or preparation of any such substance contained therein: Provided, That nothing in this paragraph shall be construed to apply to the dispensing of prescriptions written by regular licensed practicing physicians, veterinary surgeons or dentists, and kept on file by the dispensing pharmacist, nor to such drugs as are recognized in the United States Pharmacopoeia and the National Formulary, which are sold under the name by which they are recognized;

(b) In the case of food, drink, confectionery or condiment: (1) If any substance or substances have been mixed with it, so as to lower or depreciate or injuriously affect its quality, strength or purity; (2) if any inferior or cheaper substance or substances have been substituted wholly or in part for it; (3) if any valuable or necessary constituent or ingredient has been wholly or in part abstracted from it; (4) if it is an imitation of, or is sold under the name of, another article; (5) if it consists wholly or in part of diseased, decomposed, putrid, infected, tainted or rotten animal or vegetable substance, whether manufactured or not, or, in the case of milk, if it is the product of a diseased animal; (6) if it is colored, coated, polished or powdered, whereby damage or inferiority is concealed, or if by any means it is made to appear better or of greater value than it really is; (7) if it contains any added substance or ingredients which are poisonous or injurious to the health; (8) if it is sold under a coined name and does not contain some ingredient suggested by such name or contains only an inconsiderable quantity; (9) if the package containing it or any label thereon shall bear any statement regarding it or its composition which shall be false or misleading in any particular: Provided, That the provisions of this article shall not apply to mixtures or compounds recognized as ordinary articles or ingredients of articles of food or drink, if each and every package sold or offered for sale is distinctly labeled in words of the English language as mixtures or compounds, with the name and percent of each ingredient therein; the word "compound" or "mixture" shall be printed in type not smaller in either height or width than one half the largest type upon any label on the package, and the formula shall be printed in letters not smaller in either height or width than one fourth the largest type upon any label on the package, and said compound or mixture must not contain any ingredients injurious to the health.