_______ and ______ are useful antioxidants for wine and beer .

Options

A. Sulphur trioxide and sulphate
B. BHT and BHA
C. Sulphur dioxide and sulphite
D. None of these

Answer

To answer the question regarding which substances are useful antioxidants for wine and beer, we can follow these steps:

1. **Identify the Purpose of Antioxidants**: Antioxidants are substances that prevent oxidation, which can spoil food and beverages. In the context of wine and beer, antioxidants help preserve flavor and prevent spoilage.

2. **Review the Options**: The question provides four options. We need to evaluate each one to determine which substances are recognized as antioxidants in the context of wine and beer.

3. **Evaluate Each Option**:
- **Option 1: Sulfur trioxide and sulfate**: These are not commonly recognized as antioxidants for wine and beer.
- **Option 2: BHA and BHT**: These are antioxidants used primarily in food preservation, particularly for fats and oils, but not specifically for wine and beer.
- **Option 3: Sulfur dioxide and sulfite**: These are well-known antioxidants used in the preservation of wine and beer. They help inhibit the growth of yeast and bacteria, thus preserving the quality of the beverage.
- **Option 4**: (Not provided in the transcript, but we can assume it is another pair of substances).

4. **Select the Correct Answer**: Based on the evaluation, the correct answer is **sulfur dioxide and sulfite**, as they are specifically used as antioxidants in wine and beer.

5. **Final Answer**: Therefore, the blanks can be filled as follows: **Sulfur dioxide** and **sulfite** are useful antioxidants for wine and beer.