'Wheat' in the Bible

I heard what sounded like a voice from among the four living creatures, saying, "One day's ration of wheat for a day's wage, or three day's ration of barley for a day's wage! But don't damage the olive oil or the wine!"

cinnamon, spice, incense, myrrh, frankincense, wine, olive oil, flour, wheat, cattle, sheep, horses, chariots, and slaves (that is, human souls)