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Varietal and Annual Variations of β-Glucan Contents in Korean Barley (Hordeum vulgare L.) and Oat (Avena sativa L.) Cultivars
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  • Volume 56, Issue 3,  2011, pp.284-291
  • Publisher : The Korean Society of Crop Science
  • DOI : 10.7740/kjcs.2011.56.3.284
 Title & Authors
Varietal and Annual Variations of β-Glucan Contents in Korean Barley (Hordeum vulgare L.) and Oat (Avena sativa L.) Cultivars
Lee, Mi-Ja; Yoo, Jae-Soo; Kim, Yang-Kil; Park, Jong-Chul; Kim, Tae-Soo; Choi, Jae-Seong; Kim, Kee-Jong; Kim, Hyung-Soon;
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Varietal and annual variations in the contents of -glucan fractions per weight grain samples were examined in sixteen covered and eighteen naked barley and five oat cultivars developed in Korea. Also, the effect of pearling on -glucan content was investigated. Average contents of total, soluble and insoluble -glucan fractions were 5.25, 3.72, and 1.53%, respectively, in covered barley, and 5.86, 3.51, and 2.35%, respectively, in naked barley. Soluble -glucan content was higher in covered barley, though total -glucan content higher in naked barley. The total and insoluble -glucan contents were higher in pearled grains. Total -glucan content was higher in waxy barley than in non-waxy barley. Duwonchapssalbori, a two-rowed and waxy naked barley cultivar, was highest in total, soluble and insoluble -glucan contents. Highly significant positive correlations were observed between total -glucan and soluble -glucan contents both in covered and naked barley. There were significant annual variations in total -glucan content in barley. Average contents of total, soluble and insoluble -glucans of oat cultivars were 4.33, 3.44, and 0.89%, respectively. Contents of all fractions of -glucans were higher in barley than in oat. These results would be useful for the breeding of high -glucan variety and also for the use barley and oat as valueadded food ingredients.
barley;oat;-glucan;soluble -glucan;waxy;
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