Anglo-Saxon pound × 32 = 7680 wheat grain. The Tower wheat grain was defined as exactly of a troy grain. Expressed in modern English troy grains, the Tower pound was 7680 × = 5400 modern troy grains (350 g). The Tower pound was divided into 12 ounces, each ounce into 20 pennyweights, and each pennyweight into 24 barleycorns. There were thus 480 barleycorns to a Tower ounce, 5760 barleycorns to a Tower pound of 350 g. The Anglo-Saxon pound (Saxon pound, moneyers' pound or Tower pound) remained in use for silver and gold coinage in England after the adoption of the medieval
Ancient grains quinoa, amaranth, buckwheat, and chia. Modern wheat is a hybrid descendant of three wheat species considered to be ancient grains: spelt, einkorn, and emmer. The origin of grains goes back to the Neolithic Revolution about 10,000 years ago, when prehistoric communities started to make the transition from hunter-gatherer to farmer. Modern varieties of grains have been developed over time through mutation, selective cropping, breeding and research in biotechnology. Ancient grains, however, are said to be largely unchanged from their initial domesticated varieties. Several ancient grains were worshipped and used by many ancient civilizations, from the Aztecs to the Greeks and