<P> Uncle Ben's is a brand name for parboiled rice and other related food products . The brand was introduced by Converted Rice Inc., which was later bought by Mars, Inc . It is based in Houston, Texas . Uncle Ben's rice was first marketed in 1943 and was the top - selling rice in the United States from 1950 until the 1990s . </P> <P> In the 1910s, the German - British scientist and chemist Erich Huzenlaub (1888--1964) and the British scientist and chemist Francis Heron Rogers invented a form of parboiling designed to retain more of the nutrients in rice, now known as the Huzenlaub Process . The process entailed vacuum drying the whole grain, then steaming, and finally vacuum drying and husking . Besides increasing rice's nutritional value, it also made it resistant to weevils and reduced cooking time . </P>

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