Written by Jeremy Hopkin Reinheitsgebot  ( a purity order) :  Beer shall be made only with ingredients of water, malted barley, and hops.This edict was put down by Albert IV of Bavaria in 1516 and is widely regarded as the world’s first purity law for foodstuffs.  Although revised multiple times (and in all reality is … Continue reading Doc Hop's Beer Corner: What is beer?