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국내 육성 조 및 수수 전분의 이화학적 특성

Starch characteristics of foxtail millet and sorghum cultivars grown in Korea

한국식품과학회지 2020년 52권 3호 p.220 ~ 225
김현주 ( Kim Hyun-Joo ) - Rural Development Administration National Institute of Crop Science Department of Central Area Crop Science

우관식 ( Woo Koan-Sik ) - Rural Development Administration
이병원 ( Lee Byong-Won ) - Rural Development Administration National Institute of Crop Science Department of Central Area Crop Science
이진영 ( Lee Jin-Young ) - Rural Development Administration National Institute of Crop Science Department of Central Area Crop Science
이유영 ( Lee Yu-Young ) - Rural Development Administration National Institute of Crop Science Department of Central Area Crop Science
김민영 ( Kim Min-Young ) - Rural Development Administration National Institute of Crop Science Department of Central Area Crop Science
김미향 ( Kim Mi-Hyang ) - Rural Development Administration National Institute of Crop Science Department of Central Area Crop Science
이병규 ( Lee Byoung-Kyu ) - Rural Development Administration National Institute of Crop Science

Abstract


In this study, we investigated the starch characteristics of foxtail millet (FM) and sorghum (SG) cultivars grown in Korea. The amylose contents were 29.42 and 6.42% in the Daname and Samdachal FM cultivars, and 9.09 and 11.11% in the Nampungchal and Sodamchal SG cultivars, respectively. The amylopectin polymerization analysis showed that the highest degree of polymerization (DP) was in the range of DP13-24 for all samples, at approximately 60%. The resistant starch content was very low (<0.10%) among the FM and SG cultivars. The starch gelatinization analysis showed low setback values in the Samdachal and Nampungchal cultivars. The gelatinization enthalpy, calculated based on an endothermic reaction, did not differ significantly between the SG cultivars but was significantly higher in the Samdachal FM cultivars than in the Daname FM cultivars. The results of this study might be used as basic data for the development of FM and SG products.

키워드

foxtail millet; sorghum; cultivars; starch; characteristics
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