Hello, I'm an expert in food science and safety. Let's dive into your question about rice spoilage before cooking.

Rice, like any other food product, can indeed go bad before cooking if it's not stored properly. There are several factors that can contribute to rice spoiling:


1. Moisture: Rice is hygroscopic, meaning it absorbs moisture from the environment. If it's exposed to excess moisture, it can lead to mold growth.

2. Temperature: High temperatures can accelerate the growth of microorganisms that cause spoilage. Storing rice in a cool place is crucial.

3. Exposure to air: Oxygen can also promote the growth of bacteria and other spoilage organisms. Using an airtight container can help.

4. Contamination: If rice comes into contact with contaminated substances, it can spoil more quickly.

Signs of spoiled rice include a musty smell, a change in color, or the presence of虫子 (insects) or mold. It's important not to consume rice that has gone bad, as it can lead to food poisoning.

To prevent rice from going bad, it's best to store it in a cool, dry place in an airtight container, and to check it regularly for signs of spoilage.

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Expired brown rice, on the other hand, is easier to spot. Brown rice may become oily and give off a rancid odor because of its essential fatty acids that go bad as they oxidize. Cooked rice that has gone bad will show a loss of texture as it hardens and then can grow mold.read more >>