Cordyceps sinensis is a very valuable Chinese medicinal material, which has a variety of effects such as nourishing yin and nourishing the kidney, invigorating qi and invigorating blood, moistening the lungs and relieving cough. Because it is expensive, it is very important to identify the quality of Cordyceps. Here are some ways to identify the quality of Cordyceps.
1. Observe the appearance.
A good Cordyceps sinensis should have a complete body and a full grass head with a yellowish-brown or yellowish-brown body with fine longitudinal wrinkles on the surface. The grass head should be brownish-yellow or yellow-green in color, and some of the grass heads will break, but it will not affect the quality of the insect body. If the insect body or grass head is broken or broken, or the color is too bright or dull, it may be an inferior product that has been dyed or treated.
2. Smell the smell.
A good cordyceps sinensis should have a strong grass scent with no off-flavors or pungent odors. If you smell an off-odor or pungent odor, it may be a chemically treated inferior product.
3. Observe the texture.
A good cordyceps texture should be soft and have some elasticity. If the texture is too hard and brittle or too soft, it may be a poor quality product or improper storage that has caused spoilage.
4. Check the moisture content.
The moisture content of a good cordyceps sinensis should be controlled within a certain range, generally 8%-12%. If the moisture content is too high, it can easily lead to mold or deterioration;If the moisture content is too low, it may be an inferior product that has been dried.
Fifth, pay attention to the origin and mining time.
The quality of cordyceps varies according to the origin and time of harvesting. Generally speaking, the quality of Cordyceps sinensis in Nagqu, Qinghai Yushu and other areas is better, and the digging time is better around May. If the origin and timing of the excavation are incorrect, it may be an inferior product.
In conclusion, identifying the quality of Cordyceps sinensis requires observation and examination from many aspects. When purchasing, you should choose formal channels and merchants, and pay attention to check the origin and mining time of the product to ensure that you can buy high-quality cordyceps.