Where is the origin of Pleurotus ostreatus?
Pleurotus ostreatus is widely distributed in China, such as Pleurotus ostreatus in Jintang County, Chengdu, Sichuan, Pleurotus ostreatus in Pingshan County, Shijiazhuang City, Hebei Province, and Pleurotus ostreatus in Beizhanghuai Township, jizhou city, Hengshui, etc. These producing areas have unique geographical environment and climatic conditions, and the cultivated Pleurotus ostreatus has beautiful appearance, high quality and delicious taste, which is recognized by domestic consumers, and even exported to Japan, Russia and other countries 10.
What is the difference between Pleurotus ostreatus and Pleurotus ostreatus?
Pleurotus ostreatus is a kind of Pleurotus ostreatus, whose lid is brown with radial fine lines, the edge is wavy and curved, and the mushroom meat is white, soft and tender. Pleurotus ostreatus is a unique kind of Pleurotus ostreatus, which is shell-shaped or fan-shaped. When it is young, it is blue-gray or dark-colored, and then it becomes light gray or yellowish brown and yellow when it is old. The meat is not old, tender and delicious.
How to choose Pleurotus ostreatus?
1, because the water content of Pleurotus ostreatus can reach 90%, the water content is high, so Pleurotus ostreatus is not easy to be stored for a long time, and it can only be stored at room temperature for about 1 week. Therefore, when purchasing fresh Pleurotus ostreatus, the first thing to look at is the water content. The higher the water content, the shorter the picking time and the fresher it will be.
2, weigh the weight, especially heavy Pleurotus ostreatus is often injected with water by unscrupulous vendors. Such mushrooms are not only seriously nutrient-deficient, but also particularly difficult to preserve.
3. Observe the surface of Pleurotus ostreatus carefully. When purchasing Pleurotus ostreatus, you must choose Pleurotus ostreatus with complete structure and no sour smell.
4. Don't buy over-ripe, moderately shaped Pleurotus ostreatus with incomplete lid.
5. If you choose dry food, you must pay attention to the brand. Choose a brand that you are familiar with. And don't blindly pursue cheap prices. It is possible that there are tricks hidden in the weight and variety, and it is easy to be fooled.
Generally speaking, Pleurotus ostreatus is a low-temperature edible fungus, which is a unique kind of Pleurotus ostreatus. There are similarities and differences between them, so we should pay attention to distinguish them. In addition, the origin of Pleurotus ostreatus is widely distributed, which also causes the phenomenon of mixed market, so we must pay attention to the method when purchasing.