Name the source of trypsin and the food constituents which this enzyme hydrolyses.

Explanation

To answer the question about the source of trypsin and the food constituents it hydrolyzes, we can break it down into clear steps:

### Step-by-Step Solution:

1. **Identify the Source of Trypsin:**
- Trypsin is an enzyme that is produced in the pancreas. It is secreted in an inactive form known as trypsinogen.

2. **Activation of Trypsin:**
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