White Stuff on Wooden Spoon in Kool-Aid?

I was making grape Kool-Aid when I realized that the wooden spoon I was making it with was covered in this white stuff? I know it wasn't mold, and the spoon had gone through the washing machine, so I think it might just be some hardened food from a few days ago. Anyway, it's a lot of Kool-Aid that I... show more I was making grape Kool-Aid when I realized that the wooden spoon I was making it with was covered in this white stuff? I know it wasn't mold, and the spoon had gone through the washing machine, so I think it might just be some hardened food from a few days ago. Anyway, it's a lot of Kool-Aid that I wouldn't want to waste 'cause my kids like it, but I don't want to be hurting them and myself. Help?
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