User blog comment:12th Supernova/Chapter 743 discussion/@comment-4164499-20140402172429/@comment-1595565-20140402205908

Not when it comes to fruit powers. Look at Caribou, rather than keep us guessing for an entire arc, he actually had him state he was a Logia and explained how he let Sanji kick him to hide his powers. Oda has always been straightforward when it comes to how powers are used.