Ptyalin is an enzyme of

Options

A. Salivary juice
B. Pancreatic juice
C. Instestinal juice
D. None of these

Answer

**Step-by-Step Solution:**

1. **Identify the Enzyme:** The question asks about "Ptyalin." We need to recognize what ptyalin is.

2. **Define Ptyalin:** Ptyalin is known as salivary amylase. It is an enzyme that plays a crucial role in the digestive process.

3. **Function of Ptyalin:** The primary function of ptyalin (salivary amylase) is to initiate the digestion of starch into simpler sugars. This process begins in the mouth when food is mixed with saliva.

4. **Source of Ptyalin:** Since ptyalin is a salivary amylase, it is secreted by the salivary glands and is present in saliva.

5. **Evaluate Options:** The question likely provides multiple-choice answers. We need to determine which option correctly identifies the source of ptyalin.
- Option 1: Salivary juice (correct)
- Option 2: Pancreatic juice (incorrect)
- Option 3: Intestinal juice (incorrect)
- Option 4: None of these (incorrect)

6. **Conclusion:** Based on the information, the correct answer is that ptyalin is an enzyme of salivary juice.

**Final Answer:** Ptyalin is an enzyme of salivary juice.

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