See Pantagruelion.

“Si promptement voulez guerir une bruslure, soit d’eaue, soit de feu, applicquez y du Pantagruelion crud, c’est à dire tel qui naist de terre, sans aultre appareil ne composition.”

The adjective crud without an e implies that Pantagruelion is a masculine noun.

At the beginning of Chapter 49, in preparation for the voyage, Pantagruel loaded his ships with Pantagruelion tant verde & crude, “green as well as raw.”

In that case crude implies that Pantagruelion is a feminine noun.