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KMID : 0380619740060010030
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Korean Journal of Food Science and Technology
1974 Volume.6 No. 1 p.30 ~ p.35
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Studies on the Properties of Barley and Naked Barley Starch ; On the size frequency distribution of starch granules , amylose contents and blue value of starch
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Abstract
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As studies on the starch properties of barley and naked barley, the graunle size frequency distribution, amytose content and blue value of starches seperated from the II varieties of barley and 13 varieties of naked barley, which were grown paddies of Office of Rural Development, Iri, Korea in 1972, were determined.
The results were as follows:
1. The type of the barley and naked barley starch granules was short oval and the ratio of minor axis to major axis was 1 to 1.2. Diameter of the starch granules was in the range of 4.0∼6.0 μ to 32.0∼37.0 μ is and medium granule of the naked barley was 10∼22 μ on the contrary to 16∼20 μ of the barley starch. Average size of the naked barley starch was larger than that of the barley and some differences were observed between varieties.
2, Amylose contents of the barley and the naked barley starches were in the range 27.5∼30.5% and average of the barley was 29.4 a little higher than 28.2 of the naked barley and observed of some differences between varieties.
3. Blue values of the barley and the naked barley starches were in the range 0.47∼0.54, and average was 0.51.
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