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2023 Vol.68, Issue 4 Preview Page
Comparison of the Nutritional and Functional Compounds in Naked Oats (Avena sativa L.) Cultivated in Different Regions

재배지역 차이에 따른 쌀귀리 영양성분 및 기능성 성분 비교

Ji-Hye Song1†
,
Dea-Wook Kim2†
,
Hak-Young Oh1
,
Jong-Tak Yun2
,
Yong-In Kuk3
,
Kwang-Yeol Yang4*
송 지혜1†
,
김 대욱2†
,
오 학영1
,
윤 종탁2
,
국 용인3
,
양 광열4*
1MS Student, Department of Applied Biology, College of Agriculture and Life Sciences, Chonnam National University, Gwangju 61186, Republic of Korea
2Researcher, Crop protection and Physiology Division, National Institute of Crop Science, Rural Development Administration, Wanju 55365, Republic of Korea
3Professor, Department of Oriental Medicine Resources, Sunchon National University, Sunchon National University, Suncheon 57922, Republic of Korea
4Professor, Department of Applied Biology, College of Agriculture and Life Sciences, Chonnam National University, Gwangju 61186, Republic of Korea
1전남대학교 응용생물학과 석사
2국립식량과학원 작물재배생리과 연구사
3순천대학교 바이오한약자원학과 교수
4전남대학교 응용생물학과 교수
*Corresponding Author
†These authors contributed equally to this work.
1 December 2023. pp. 402-412
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Abstract

To cope with climate change, we compared the quality of naked oats (Avena sativa L.) cultivated in different regions. Naked oats were collected from domestic farms in different cultivation regions grouped as G1 and G2 for 3 years (2020-2022). The appearance, quality, and nutritional and functional compounds in the samples were assessed. In terms of appearance quality, the brightness and yellowness of the samples from the G1 region were significantly lower than those of the samples from the G2 region in 2020; however, no differences were observed between cultivation regions in the other 2 years. The results of testing the vitality of naked oats seeds showed that the electrical conductivity value was significantly lower in the samples from the G1 region than in those from the G2 region only in 2022. Among the nutritional components, moisture content was higher in the G2 region than in the G1 region over all 3 years, and the crude protein content was significantly higher in the G2 region than in the G1 region over all years. Carbohydrate content was significantly higher in the G1 region than in the G2 region in all 3 years and was inversely proportional to the crude protein content. The crude fat content tended to be significantly higher in the G1 region than in the G2 region, except in 2022. The levels of beta-glucan, a functional compound rich in naked oats, ranged between 3.4% and 4.2%, and except in 2020, there was no significant difference between cultivation regions. In addition, the content of avenanthramides, representative functional compounds that exist only in oats, was assessed. Over 2 years, in 2021 and 2022, the avenanthramide content was in the range of 2.4-20.7 μg/g and tended to be significantly higher in the G2 region than in the G1 region in both years. According to a survey of the average and minimum temperatures during the growing season of naked oats from 2020 to 2022, the average and minimum temperatures in January in the G2 region, which is the cultivation-limit area, were similar to those in Haenam in the G1 region. In conclusion, differences in nutritional and functional compounds were observed in naked oats grown in different cultivation areas. Therefore, considering the cultivation area of naked oats is expanding because of climate change, changes in the compounds that affect quality should be investigated.

Keywords
climate change
cultivation areas
naked oats
nutritional and functional compounds
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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 : 68
  • No :4
  • Pages :402-412
  • Received Date : 2023-10-12
  • Revised Date : 2023-11-03
  • Accepted Date : 2023-11-13
  • DOI :https://doi.org/10.7740/kjcs.2023.68.4.402
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