Any substance, the intended use of which results or may reasonably be expected to result directly or indirectly, in its becoming a component or other wise affecting the characteristics of any food (including any substance intended for use in producing, manufacturing, packing, processing, preparing, treating, packaging, transporting or holding food; and including any source of radiation intended for any such use), if such substance is not generally recognized, among experts qualified as having been adequately shown through scientific procedures to be safe under the conditions of the intended use. (R.A. 7394, also known as the "Consumer Act of the Philippines," Art. 4)