1. Look at the density of cortex. Generally, Hericium erinaceus can be submerged by the simplest submerged test method, and the second submerged like a stone is the best. Seeds with high maturity will have thick nuclear walls, with the total ratio of two nuclear walls reaching 50% or even higher, and the density is generally higher.
2, black spots with yellow skin and yellow tips, the black spots on the surface of the monkey head belong to flaws, and the yellow skin and yellow tips are similar to Vajrayana, which is ugly in the later stage.
3, depending on the regularity of the texture, the regular string is true.