I know that the freshness of the oil makes all the difference, so I grind flax seed immediately before each use. I haven't been in the habit of wiping out the grinder; I just shake/tap it as clean as I can. Do you think that the meal left behind in the grinder contaminates the fresh seeds that follow at the next use? If so, I guess I should be careful to completely wipe the storage cup clean every time, yes?
