oh, wow, ummmm. i dont even know, it doesnt look like it, but i wouldnt be surprised if the elites are special and can smell with their tounge or eye balls or something. thats definetly a question for the ages.
If you put it that way, then in the game, you also never see any humans, spartans, or other covies eat so you're saying that no one eats.
Because It would have been so much fun having a eating minigame part of the game, Yo master Chef make me a samwitch plz.