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http://dx.doi.org/10.9721/KJFST.2017.49.1.97

Physicochemical properties and β-glucan contents of Korean naked oat (Avena sativa L.) cultivars  

Lee, Mi-Ja (Crop Foundation Division, National Institute of Crop Science, NICS, RDA)
Park, Song-Yie (Crop Foundation Division, National Institute of Crop Science, NICS, RDA)
Kim, Yang-Kil (Crop Foundation Division, National Institute of Crop Science, NICS, RDA)
Kim, Hyung-Soon (Department of Biomolecular and Chemical Engineering, Seonam University)
Park, Hyoung-Ho (Crop Foundation Division, National Institute of Crop Science, NICS, RDA)
Lee, Yoon Jeong (Department of Food Science and Technology, Chungbuk National University)
Jeong, Heon Sang (Department of Food Science and Technology, Chungbuk National University)
Publication Information
Korean Journal of Food Science and Technology / v.49, no.1, 2017 , pp. 97-103 More about this Journal
Abstract
Due to increased consumption and demand for oat-related foods and processed food, this study examined physicochemical properties, antioxidant activity, and ${\beta}-glucan$ contents of 5 Korean naked oat cultivars. Oat seeds had long-grain appearance in all cultivars except for Seonyang. The contents of main components such as protein, starch, and crude fat were significantly different among cultivars. The total ${\beta}-glucan$ content was 3.78-4.60% and the soluble ${\beta}-glucan$ ratio was 71-83%. Fatty acid composition was C18:1, C18:2, C16:0, C18:0, and C18:3. Unsaturated fatty acid (USFA) content was 75.4-81.2%. 2,2-Diphenyl-1-picrylhydrazil (DPPH) and 2,2'-azino-bis-3-ethyl-benzo-thiaxoline-6-sulfonic acid (ABTS) radical scavenging activity were significantly different for each cultivar. Daeyang had the highest ${\beta}-glucan$, USFA content, and antioxidant activity. Protein content showed a negative correlation with starch content (r = -0.775). Antioxidant activity was positively correlated with total phenol content (r =0.760). Ash content and flour whiteness showed a positive correlation (r =0.732).
Keywords
naked oat; ${\beta}-glucan$; physicochemical properties; antioxidant activity;
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Times Cited By KSCI : 6  (Citation Analysis)
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