First step in digestion of fat is

Options

A. Emulsiflcation
B. Enzyme action
C. Absorption by lipase
D. Storage in adipose tissue.

Answer

**Step-by-Step Solution:**

1. **Understanding Digestion of Fats**: The digestion of fats involves several steps, starting from the mouth and continuing in the stomach and small intestine.

2. **Identifying the First Step**: The first step in the digestion of fats is emulsification. This is the process where large fat globules are broken down into smaller droplets, making them more accessible to digestive enzymes.

3. **Role of Emulsification**: Emulsification is crucial because fats are hydrophobic (do not mix with water). By breaking them into smaller droplets, it increases the surface area for enzymes to act upon.

4. **Involvement of Enzymes**: The enzyme that plays a role in the emulsification process is called lingual lipase, which is secreted in the mouth. Additionally, phospholipids present in food also act as emulsifiers.

5. **Outcome of Emulsification**: This process allows the fats to be more accessible to digestive enzymes, facilitating their breakdown into fatty acids and glycerol in subsequent steps of digestion.

6. **Conclusion**: Therefore, the correct answer to the question is that the first step in the digestion of fat is emulsification.

**Final Answer**: The first step in the digestion of fat is emulsification.

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