${\beta}-Glucan$ Contents with Different Particle Size and Varieties of Barley and Oats

보리와 귀리의 품종 및 입도 분획별 ${\beta}-glucan$ 함량

  • Published : 2003.08.01

Abstract

Five oats and 17 barley cultivars were ground, sieved (105, 210, 300, 425, 600 ${\mu}m$) and we have analyzed the ${\beta}-glucan$ contents to obtain grain fractions. The milling yields ranged $65.1{\sim}89.7%$ for barley and $53.4{\sim}73.5%$ for oat cultivars. Total ${\beta}-glucan$ contents of barley and oats become higher than those of the flour increasing the particle size. The soluble and insoluble ${\beta}-glucan$ contents of them were especially higher in medium and coarse particle size fractions. The contents of total, soluble and insoluble ${\beta}-glucan$ of barley were 1.5, 1.7 and 2.0 times higher than the whole flour before sieving and these content of oats were 2.1, 1.6 and 2.0 times, respectively. In this study, larger particle size would enrich the ${\beta}-glucan$ and it is desirable to consider the best particle size range to enrich the ${\beta}-glucan$ level, the water-solubility of the ${\beta}-glucan$ as well as cereal varieties.

Keywords

barley;oat;${\beta}-glucan$;particle size

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