For while rice, like other green plants, contains light-trapping beta-carotene in its external tissues, it does not produce beta-carotene in its endosperm (the starchy interior .
Finely milling the grains produces a flour that lacks the bran and the germ, leaving only the endosperm behind.
Have you analyzed the starch content of the endosperm, the inner, meaty layer? Have you compared the ratios of expanded to original volumes of various kernels?.
Multigrain not the same as whole grain Dear Holly,What is a whole grain, and how do I make sure I‘m eating them?Goodness GrainsDear Goodness Grains,A whole grain has three parts: the endosperm, bran and germ.
March 20, 2014 - The Oxford Press