An alcohol of mannose found in brown algae is

Options

A. Sorbitol
B. Manitol
C. Dulcitol
D. All the above

Answer

To answer the question "An alcohol of mannose found in brown algae is", we can follow these steps:

### Step-by-Step Solution:

1. **Identify Mannose**: Start by recognizing that mannose is a type of sugar, specifically a monosaccharide, which belongs to the hydroxyl series of carbohydrates.

2. **Understand Sugar Alcohols**: Sugar alcohols are derived from sugars through a reduction process. They are often used as sweeteners and have various applications in food and pharmaceuticals.

3. **Determine the Alcohol of Mannose**: The specific sugar alcohol that is derived from mannose is called mannitol. Mannitol is known to be present in brown algae.

4. **Review Other Options**: To ensure that mannitol is the correct answer, consider other sugar alcohols mentioned:
- **Sorbitol**: Derived from glucose and found in fruits like apples and peaches.
- **Dulcitol**: Derived from galactose and found in certain plants.

5. **Conclude the Answer**: Since mannitol is specifically noted as the sugar alcohol derived from mannose and is found in brown algae, we conclude that the answer to the question is **mannitol**.

### Final Answer:
The alcohol of mannose found in brown algae is **mannitol**.

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