The silver fungus can not be eaten after soaking for 24 hours or producing a strange odor. Raw water contains more microorganisms, fungus soaked for a long time will be attacked by bacteria, thus producing a deterioration reaction, fungus soaked in water for a certain period of time, take out the need to smell the taste, to determine whether there is no odor, but also carefully observe the appearance, there is no mildew phenomenon.
High-quality silver fungus should be white or light beige, the base of the duo showed yellow, yellow-brown, duo shape integrity. Surface without mold, no moth, shiny, no impurities. White fungus is not the whiter the better, very white fungus is generally fumigated with sulfur, so the selection of fungus should be selected white with a slight yellow.
Expanded Information:
More p>Main value:
Ginkgo is an extremely valuable tonic, the royal aristocrats through the ages have regarded the silver ear as a longevity product. Modern medicine has proved that the main pharmacological active ingredient of silver fungus is polysaccharide, and polysaccharide of silver fungus is the most important component of silver fungus, accounting for 60%~70% of its dry weight, while polysaccharide of silver fungus is also an important bioactive substance, which can enhance the immune function of the human body, and play the role of supporting positive and solidifying the root.
And ginkgo biloba polysaccharide has no toxicity to the respiratory system, central nervous system, blood circulatory system and heart, liver, kidney, etc., and has no effect on the reproductive ability of mice and the survival rate of pups, and at the same time did not cause acute and chronic poisoning of mice, and has no mutagenic, teratogenic, and carcinogenic effects, and is a non-toxic substance.
Baidu Encyclopedia - Ginkgo Fungus