The food-industrial complex may have made it increasingly difficult to determine what, exactly, we’re eating: Your soy sauce may contain gluten; your ice cream may have tree nuts in it; your salad mix may be tainted with E. coli. But there are some foods that are so blessedly unprocessed, so uncomplicated, that they are just what they are, right?

Like bananas.

Or not. As Science Daily reports, scientists have come up with a new spray they say will prevent bananas from ripening into brown mush for almost two extra weeks. The downside? The spray is made from chitosan, which is derived from the shells of shrimp and crabs.

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