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KMID : 1134820180470121301
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Journal of the Korean Society of Food Science and Nutrition
2018 Volume.47 No. 12 p.1301 ~ p.1311
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Quality and Physicochemical Characteristics with Different Seeding Periods of Sprout-Soybean Cultivar Cultivated in the North-Central Region
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Jung Gun-Ho
Kim Hyun-Joo
Lee Ji-Hae
Lee Byong-Won
Lee Yu-Young
Kim Sung-Kook
Lee Byoung-Kyu
Woo Koan-Sik
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Abstract
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The proximate compositions, quality, and physicochemical characteristics of a sprout-soybean cultivar cultivated in the north-central region of South Korea with different seeding periods were evaluated. The proximate compositions, chromaticity, and water characteristics differ significantly among cultivars and different seeding periods. The moisture, crude ash, fat, protein, and carbohydrate contents of the sprout-soybean cultivar were 5.45∼6.49, 5.19∼6.24, 15.62∼19.06, 33.32∼40.53, and 32.46∼38.04 g/100 g, respectively. The lightness, redness, and yellowness were 57.20∼67.01, 0.72∼7.56, and 20.43∼28.59, and the water binding capacity, water solubility index, and swelling power were 73.28∼149.15, 41.83∼55.33, and 26.88∼35.90%, respectively. The total polyphenol contents of the 1st, 2nd, and 3rd seeding on the sprout-soybean cultivar were 7.75∼10.89, 7.26∼11.82, and 8.48∼11.05 mg gallic acid equivalents/g, respectively. The total flavonoid contents were 4.44∼5.33, 4.43∼4.86, and 4.37∼4.78 mg catechin equivalents/g, respectively. 1,1-Diphenyl-2-picrylhydrazyl radical scavenging activity was 0.60∼2.10, 0.85∼1.95, and 0.56∼2.18 mg Trolox equivalent antioxidant capacity (TE)/g, and the 2,2’-azino-bis(3-ethylbenzothiazoline-6-sulfonic acid) radical scavenging activity was 6.45∼11.24, 6.42∼9.15, and 6.14∼9.56 mg TE/g, respectively. The phenol compound of Pungsannamul, Somyeongkong, and Hoseo cultivars decreased with the delay of the seeding periods. The radical scavenging activity of the Pungsannamul, Sojin, Hoseo, and Haewon cultivars decreased with the delay of seeding periods, but the Pungwon, Sokang, Sobaek, Sunam, Joyang 1, and Hannamkong cultivars increased. In the study, the phenol compound and radical scavenging activity of sprout-soybean cultivar differed according to the cultivars and seeding periods.
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KEYWORD
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sprout-soybean (Glycine max L.), cultivar, seeding period, quality characteristics, physicochemical characteristics
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