It’s most commonly found in vanilla ice cream and raspberry-flavoured foods. Luckily, vanillin is more popular nowadays. But there's always a change that your raspberry bon-bon is full of beaver juice.
Because they’re very small and hard to get rid of, most national food agencies allow an average of 19 maggots and 74 mites in a 100ml can of mushrooms. You’re better off buying fresh and checking for them yourself!