The chemical name of vitamin `B_1` is

Options

A. Ascorbic acid
B. Carotenoids
C. Thiamine
D. Pyridoxine

Answer

To find the chemical name of vitamin B1, we can follow these steps:

### Step 1: Identify the vitamin
Vitamin B1 is also known as thiamine. It is one of the B vitamins that play a crucial role in energy metabolism and is essential for the proper functioning of the nervous system.

### Step 2: Review the options
The options provided are:
- Ascorbic acid
- Carotenoids
- Thymine
- Pyridoxine

### Step 3: Analyze the options
- **Ascorbic acid** is the chemical name for Vitamin C.
- **Carotenoids** are pigments found in plants, not a vitamin.
- **Thymine** is a nucleobase found in DNA, but it is not the correct name for vitamin B1.
- **Pyridoxine** is the chemical name for Vitamin B6.

### Step 4: Confirm the correct answer
The correct chemical name for vitamin B1 is **thiamine**.

### Conclusion
The chemical name of vitamin B1 is **thiamine**.

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