Fungus used in preparing soy sauce is

Options

A. Agaricus
B. Aspergillus
C. Penicillium
D. Saccharomyces

Answer

To answer the question about the fungus used in preparing soy sauce, we can follow these steps:

### Step 1: Understand the question
The question asks for the specific fungus that is utilized in the preparation of soy sauce.

### Step 2: Identify the fermentation process
Soy sauce is produced through a two-step fermentation process. The first step is called koji, which involves solid-state fermentation, and the second step is known as moromi, which is a brine fermentation process.

### Step 3: Identify the fungi involved
The fungi involved in the fermentation process for soy sauce include:
- **Aspergillus sojae**: This species is specifically used in Japan for soy sauce production.
- **Aspergillus oryzae**: Another species that is widely used for the fermentation of soy sauce and is known for its ability to produce enzymes.

### Step 4: Conclude with the correct answer
Based on the information gathered, the fungus used in preparing soy sauce is **Aspergillus**. Therefore, the correct answer is option number two: **Aspergillus**.

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