2. The term “food,” as used in this Act, shall include every article used for food or drink by man. The term “drug,” as used in this Act, shall include all medicines for internal and external use. 3. An article shall be deemed to be adulterated within the meaning of this Act:-- _a._--In the case of drugs. 1. If, when sold under or by a name recognised in the United States Pharmacopœia, it differs from the standard of strength, quality, or purity laid down therein. 2. If, when sold under or by a name not recognised in the United States Pharmacopœia, but which is found in some other pharmacopœia or other standard work on Materia Medica, it differs materially from the standard of strength, quality, or purity laid down in such work. 3. If its strength or purity fall below the professed standard under which it is sold. _b._--In the case of food or drink. 1. If any substance or substances has or have been mixed with it so as to reduce or lower or injuriously affect its quality or strength. 2. If any inferior or cheaper substance or substances have been substituted wholly or in part for the article. 3. If any valuable constituent of the article has been wholly or in part abstracted. 4. If it be an imitation of, or be sold under the name of, another article. 5. If it consists wholly or in part of a diseased or decomposed, or putrid or rotten, animal or vegetable substance, whether manufactured or not, or, in the case of milk, if it is the produce of a diseased animal. 6. If it be coloured, or coated, or polished, or powdered, whereby damage is concealed, or it is made to appear better than it really is, or of greater value. 7. If it contain any added poisonous ingredient, or any ingredient which may render such article injurious to the health of the person consuming it: Provided, that the State Board of Health may, with the approval of the Governor, from time to time declare certain articles or preparations to be exempt from the provisions of this Act: And provided further, that the provisions of this Act shall not apply to mixtures or compounds recognised as ordinary articles of food, provided that the same are not injurious to health and that the articles are distinctly labelled as a mixture, stating the components of the mixture. 4. It shall be the duty of the State Board of Health to prepare and publish from time to time lists of the articles, mixtures, or compounds declared to be exempt from the provisions of this Act in accordance with the preceding section. The State Board of Health shall also from time to time fix the limits of variability permissible in any article of food or drug, or compound, the standard of which is not established by any national pharmacopœia.