Which of the following defines a food additive?

• A. Substance which is/ may become a part of food
• B. A substance or a mixture of substances which is present in food as a result of any aspect of production, processing, storage or packaging
• C. A substance, the intended use of which results or may reasonably be expected to result in its becoming a component or otherwise affecting the characteristics of any food with certain exceptions
• D. All of the mentioned