Food
What is the black stuff on onions?
2
Answers
The black stuff on onions is either mold or possibly dust or some other substance.
LIVE
Points
39
Rating
Black mold on onion is caused by aspergillus niger, a common fungus in soil. To discourage mold growth, store onions in the refrigerator up to two months. Rinse off small amounts of the black mold on the outer scales of the onion under cool, running tap water or cut off the affected layers.
LIVE
Points
15
Rating