Abstract
A new industrial process has been developed to isolate aleurone cells in good yield and high purity from wheat bran. Approximately 50% of the dry matter consists of dietary fiber with arabinoxylan being the major component. Although the fiber fraction is predominantly insoluble it is almost completely fermented in vitro. Furthermore, aleurone cells have a high antioxidant activity and contain significant amounts of vitamins and minerals as well as phytonutrients such as phytosterols, lignans and other phenolic substances. Aleurone cells thus have a high nutritional value. This process breakthrough enables recovery of the valuable aleurone cells from wheat bran to yield a light colored, free-flowing powder ingredient that can be used to enrich a variety of food products.
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