Sugar spread slowly from island to island, finally reaching the Asian mainland around 1000 B.C. By A.D. 500 it was being processed into a powder in India and used as a medicine for headaches, stomach flutters, impotence. For years sugar refinement remained a secret science, passed master to apprentice. By 600 the art had spread to Persia, where rulers entertained guests with a plethora of sweets. When Arab armies conquered the region, they carried away the knowledge and love of sugar. It was like throwing paint at a fan: first here, then there, sugar turning up wherever Allah was worshipped. “Wherever they went, the Arabs brought with them sugar, the product and the technology of its production,” writes Sidney Mintz in Sweetness and Power. “Sugar, we are told, followed the Koran.”
Muslim caliphs made a great show of sugar. Marzipan was the rage, ground almonds and sugar sculpted into outlandish concoctions that demonstrated the wealth of the state. A 15th-century writer described an entire marzipan mosque commissioned by a caliph. Marveled at, prayed in, devoured by the poor. The Arabs perfected sugar refinement and turned it into an industry. The work was brutally difficult. The heat of the fields, the flash of the scythes, the smoke of the boiling rooms, the crush of the mills. By 1500, with the demand for sugar surging, the work was considered suitable only for the lowest of laborers. Many of the field hands were