'Oil' in the Bible

And I heard something like a voice in the center of the four living creatures saying, “A quart of wheat for a denarius, and three quarts of barley for a denarius; and do not damage the oil and the wine.”

and cinnamon and spice and incense and perfume and frankincense and wine and olive oil and fine flour and wheat and cattle and sheep, and cargoes of horses and chariots and slaves and human lives.