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2024 Vol.69, Issue 4 Preview Page
Physicochemical Changes in Corn Kernels Across Cultivars Grown in Paddy and Upland Fields

논과 밭에서 재배한 곡실용 옥수수 종실의 이화학적 특성 변화

Mihyang Kim1†
,
Hyun-Joo Kim1†
,
Jin-Seok Lee2
,
Daewoo Lee3
,
Seuk Ki Lee4
,
Yu-Young Lee5
,
Jin Young Lee1
,
Narae Han6
,
Moon Seok Kang5*
김 미향1†
,
김 현주1†
,
이 진석2
,
이 대우3
,
이 석기4
,
이 유영5
,
이 진영1
,
한 나래6
,
강 문석5*
1Agriculture Researcher, Crop Post-Harvest Technology Division, Department of Central Area Crop Science, National Institute of Crop Science, Rural Development Administration, Suwon 16613, Republic of Korea
2Agriculture Senior Researcher, Crop Cultivation and Environment Research Division, Department of Central Area Crop Science, National Institute of Crop Science, Rural Development Administration, Suwon 16613, Republic of Korea
3Agriculture Researcher, Crop Cultivation and Environment Research Division, Department of Central Area Crop Science, National Institute of Crop Science, Rural Development Administration, Suwon 16613, Republic of Korea
4Agriculture Senior Researcher, Central Area Crop Breeding Division, Department of Central Area Crop Science, National Institute of Crop Science, Rural Development Administration, Suwon 16613, Republic of Korea
5Agriculture Senior Researcher, Crop Post-Harvest Technology Division, Department of Central Area Crop Science, National Institute of Crop Science, Rural Development Administration, Suwon 16613, Republic of Korea
6Post-doc, Crop Post-Harvest Technology Division, Department of Central Area Crop Science, National Institute of Crop Science, Rural Development Administration, Suwon 16613, Republic of Korea
1농촌진흥청 국립식량과학원 중부작물부 수확후이용과 연구사
2농촌진흥청 국립식량과학원 중부작물부 재배환경과 연구관
3농촌진흥청 국립식량과학원 중부작물부 재배환경과 연구사
4농촌진흥청 국립식량과학원 중부작물부 중부작물과 연구관
5농촌진흥청 국립식량과학원 중부작물부 수확후이용과 연구관
6농촌진흥청 국립식량과학원 중부작물부 수확후이용과 전문연구원
*Corresponding Author
†These two authors are co-first authors and contributed equally to this work.
1 December 2024. pp. 318-324
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Abstract

This study analyzed the general composition, color, and starch properties of corn kernels cultivated in paddy and upland fields. The analysis of general composition revealed that crude fat content was higher in the control cultivar ‘Kwangpyeongok’ cultivated in paddy and upland fields, with values of 5.28% and 6.02%, respectively. ‘Pyeonganok’ cultivated in paddy and upland fields showed the highest crude protein values of 12.08% and 12.30%, respectively. ‘Kwangpyeonok’ exhibited higher red and yellow values than the samples cultivated in the upland field. The yellowness value of ‘Pyeonganok’ obtained from the samples cultivated in the paddy field was the highest. Based on the analysis of starch characteristics, the samples cultivated in the paddy field tended to have higher amylose and estimated glycemic index values. However, the samples cultivated in the upland field tended to be higher in terms of gelatinization enthalpy. The results showed that ‘Pyeonganok’ tended to have higher protein content, yellowness, and estimated glycemic index than the other cultivars. However, based on these results, continuous monitoring of the physicochemical characteristics of maize according to cultivation conditions and environment is required to utilize paddy and field-cultivated corn kernels as industrial materials.

Keywords
corn kernels
cultivars
paddy
physicochemical characteristics
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Information
  • Publisher :The Korean Society of Crop Science
  • Publisher(Ko) :한국작물학회
  • Journal Title :The Korean Journal of Crop Science
  • Journal Title(Ko) :한국작물학회지
  • Volume : 69
  • No :4
  • Pages :318-324
  • Received Date : 2024-10-10
  • Revised Date : 2024-11-03
  • Accepted Date : 2024-11-04
  • DOI :https://doi.org/10.7740/kjcs.2024.69.4.318
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