A preservative which can cause reaction in asthmatics, allergy and hyperactivity in childern is

Options

A. Sodium benzoate
B. Sodium metabisulphite
C. Carboxy-methyl cellulose
D. Both A and B

Answer

**Step-by-Step Solution:**

1. **Understanding the Question**: The question asks for a preservative that can cause reactions in asthmatics, allergies, and hyperactivity in children.

2. **Identifying the Options**: The options provided are:
- A) Sodium benzoate
- B) Sodium metabisulfite
- C) Carboxymethyl cellulose
- D) Both A and B

3. **Analyzing Option A - Sodium Benzoate**:
- Sodium benzoate is commonly used as a food preservative.
- It is known to cause allergies, particularly in children.
- Therefore, it is a candidate for the answer.

4. **Analyzing Option B - Sodium Metabisulfite**:
- Sodium metabisulfite is also used as a food preservative.
- It is known to trigger asthma attacks and cause allergic reactions.
- Prolonged exposure can lead to severe bronchitis.
- Thus, it is another candidate for the answer.

5. **Analyzing Option C - Carboxymethyl Cellulose**:
- Carboxymethyl cellulose is not a preservative; it is primarily used as a lubricant in various applications, including eye drops.
- It does not cause the reactions mentioned in the question.
- Therefore, it is not a candidate for the answer.

6. **Conclusion**: Since both sodium benzoate and sodium metabisulfite can cause reactions in asthmatics, allergies, and hyperactivity in children, the correct answer is:
- **D) Both A and B**

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