Pantothenic acid occurs in

Options

A. Yeast
B. Liver
C. Pulses
D. All the above

Answer

**Step-by-Step Solution:**

1. **Understanding Pantothenic Acid**: Pantothenic acid, also known as Vitamin B5, is a water-soluble vitamin that is essential for various bodily functions.

2. **Sources of Pantothenic Acid**: It is important to identify the food sources where pantothenic acid is found. Common sources include:
- **Yeast**: Often used in baking and brewing, yeast is a rich source of various B vitamins, including pantothenic acid.
- **Liver**: Animal liver is one of the richest sources of pantothenic acid, providing a significant amount of this vitamin.
- **Pulses**: Legumes and pulses such as beans, lentils, and peas are also good sources of pantothenic acid.

3. **Other Sources**: In addition to the options provided, pantothenic acid can also be found in:
- Egg yolk
- Kidney
- Fresh vegetables
- Royal jelly
- Ovaries of fish like tuna and cod

4. **Functions of Pantothenic Acid**: Pantothenic acid plays a crucial role in the formation of coenzyme A, which is vital for the Krebs cycle (also known as the TCA cycle). It is also important for maintaining healthy hair and skin.

5. **Conclusion**: Given the options provided (yeast, liver, pulses), pantothenic acid is indeed present in all of these sources. Therefore, the correct answer is "all the above".

**Final Answer**: Pantothenic acid occurs in all the above (yeast, liver, pulses).

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