Bloom had been close by when she had seen him make a break toward it. It was enough for her to put a hand against her head for nothing but a brief moment before putting her proton pack away and headed off, rushing toward him in order to grab him and pull him back.

"Luffy, it's not for you to eat. It will be very bad for you if you did eat it. But now isn't the time for eating anyway." Unless it made him powerful or something, but she honestly doubted that one.