Have you ever noticed the brown stains on bananas. I'm not talking about the brown age spots. What I am talking about is the brown coloring that is from a dried liquid. If you look for it you will see it. For some reason it doesn't get washed off before the consumer buys it. It is from the moneys that sit in the banana trees. Where do you think they go to the bathroom. There not going to climb all the way down to spare you from handling pee stained bananas. There just gonna piss anywhere they are. I don't think it is harmful to people but you may want to wash them off before you offer them to your babies.