Step 1: Understanding the Concept:
GRAS is a regulatory designation by the United States Food and Drug Administration (FDA). It pertains to food additives, such as flavorings, spices, and preservatives.
Step 3: Detailed Explanation:
The acronym GRAS stands for Generally Recognized As Safe. This designation means that a chemical or substance added to food is considered safe by experts under the conditions of its intended use, and is exempt from the usual federal Food, Drug, and Cosmetic Act (FFDCA) food additive tolerance requirements. Common examples include salt, sugar, and vinegar.
The other options are incorrect variations of this official term.
Step 4: Final Answer:
The correct expansion of the acronym GRAS is "Generally Recognized As Safe". Therefore, option (D) is correct.