The calories of oyster mushrooms are relatively low, and eating oyster mushrooms during the weight loss period has a certain weight loss effect. The nutritional value of oyster mushrooms is very high, so you can try to eat them in daily life. Can oyster mushrooms be eaten overnight? Regarding this question, many friends want to know the answer. Let’s find out quickly.

Can oyster mushrooms be eaten overnight?

If they are fried oyster mushrooms, it is not recommended to eat them overnight. Because fungi such as oyster mushrooms themselves contain nitrate, if they are cooked and left for a long time, they will be converted into nitrite. After the nitrite enters the stomach, under certain conditions, a substance called NC ( N-nitroso compounds), which is one of the risk factors for gastric cancer. Especially when the weather is hot, the overnight meals are contaminated by bacteria and will multiply in large numbers, which can easily cause gastroenteritis. Therefore, it is not suitable to continue to eat oyster mushrooms that have been left overnight.

Can oyster mushrooms be kept fresh in the refrigerator?

Yes, but fresh oyster mushrooms should not be kept in the refrigerator for a long time.

1. Pleurotus ostreatus is a fungus, and its life cycle is not long. It is almost like "live and die". Although the varieties are different, the storage time varies, but in general it will not be very long. , that is, 2~3 days.

2. Refrigeration can only weaken the respiration of fruits and vegetables, delay their spoilage, and extend their shelf life, but they will eventually go bad.

3. It is recommended to dispose of fresh mushrooms within 1 day after buying them home. Over time, they will go bad and affect the taste.

Precautions for eating oyster mushrooms

1. Uncooked oyster mushrooms may contain pesticide residues, so the oyster mushrooms must be fully cooked before eating.

2. Oyster mushrooms have many small leaves that are difficult to clean, so they can be soaked in salt water for 30 minutes to remove dirt and sterilize.

3. When selecting oyster mushrooms, you can feel them with your hands. Pleurotus ostreatus should not contain too much water. Those that are particularly heavy are often filled with water by unscrupulous traders. Such oyster mushrooms not only suffer serious nutritional losses, but are also particularly difficult to preserve.

Types of oyster mushrooms

There are more than 500 types of oyster mushrooms. According to the color of the fruiting bodies, oyster mushrooms can be divided into dark species (black species) and light-colored species. There are four major varieties: , milky white species and white species. The dark-colored varieties are of good quality, characterized by thick, tender, smooth, rich flavor, tight texture and good taste. According to morphological characteristics, it is divided into mycelium and fruiting body. Common oyster mushrooms on the market include Pleurotus ostreatus, Pleurotus leucoides, Pleurotus elegans, Pleurotus florida, yellow and white Pleurotus leucophylla, and pink Pleurotus leucophylla. Commonly referred to as "oyster mushroom" mostly refers to Pleurotus ostreatus.