Starchy endosperm, cereal

Arabinoxylans with a substitution of the P-(l—>4)-D-xylopyranose backbone at position 2 or 3 with ArbF can be esterified partly with phenolic acids. This type is frequently found in the starchy endosperm and the outer layers of cereal grains. 

However, the concentrations of minerals, vitamins, and phytochemicals are very high in the bran and their removal lowers the nutritional value. Some data for the concentrations of vitamins and minerals in the starchy endosperm and the aleurone components are shown in Table 14.1. Myriad different chemical compounds can be found in the whole grain of cereals, some of which may not yet have been identified. Therefore, cereal chemists have a great challenge for the future to identify them and to contribute to elucidating their role in improving health. 

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