Abstract
Research and Development Bureau, RDA, Jeonju 560-500, KoreaReceived October 17, 2014/Revised November 23, 2014/Accepted November 26, 2014Recently developed black waxy rice with a giant embryo (‘Nunkeunheukchal’, BGE) was selected and processed to produce high quality nutritional food. BGE contains high levels of several phytochem-icals with antioxidant activities, as well as other reported health beneficial properties. In addition, the giant embryo has high protein, lipid, and amino acids contents. Within the free amino acids, γ-aminobutyric acid (GABA), a major inhibitory neurotransmitter, has long been used for treating the aftereffects of brain injuries and stroke. A method for manufacturing pop-rice and black rice tea by popping process in BGE is provided to increase a taste, nutrition and functionality. The produced ‘pop-rice’ showed increased protein (11.3%) and lipid (3.7%) contents compared with control variety, IB (‘Ilmibyeo’). In addition, melanoidin related products, polyphenol and functional amino acid con-tents were increased by the popping process. Pop-rice tea made of BGE showed the highest extraction of total sugar, glucose, raffinose and sucrose (4 times higher than brown rice) by hot water. Scavenging activity (SC
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