boletus edulis dried boletus edulis wild mushroom yunnan origin A grade
The quality standard of dried boletus edulis
2010 crop dried boletus edulis | |||||
Origin: Yunnan China | |||||
| A grade | B grade | C grade | D grade | |
Sense quality | color | white and yellow | grey or green | grey, green, green and black | green or black |
Length (cm) | 4-7 | is greater equal than 2 | is greater equal than 22 | 1.5-2 cm is not more than 10%,other 2 is greater equal than 2 | |
wormy | White wormy hole max 5% | With white wormy hole, but Yellow max 5% | with white, yellow hole, black hole max 5% | With white, yellow, black hole | |
pesticide | Internal ruler | ||||
stone | max 0.01% | ||||
Mould mushroom | Max 0.2% | ||||
Foreign mushroom | Max 0.01% | ||||
metal | absense | ||||
Burnt mushroom | Max 2% | ||||
humidity | Max 14% | ||||
insects | Max 0.05% | ||||
GMO | NO GMO | ||||
ionisation | Not ionised product | ||||
SO2 | Max 30mg/kg | ||||
A2 grade : 2-4 cm, other quality standard is same as A grade
B2 grade: 2-4 cm, other quality standard is same as B grade.
wild mushroom boletus edulis
