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2025 Vol.38, Issue 4 Preview Page

Research Article

Seasonal Antioxidant Effects of Cladrastis platycarpa (Max.) Makino Extract

계절에 따른 향괴나무 추출물의 항산화 효과 비교

Ji Hye Hong1
,
Jung Sung Kim2
홍 지혜1
,
김 정성2
1Undergraduate Student, Department of Forest Science, Chungbuk National University, Cheongju 28644, Korea
2Professor, Department of Forest Science, Chungbuk National University, Cheongju 28644, Korea
1충북대학교 산림학과, 학부생
2충북대학교 산림학과, 교수
*Corresponding Author
1 August 2025. pp. 334-341
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Abstract

The natural population of Cladrastis platycarpa (Max.) Makino (Fabaceae) was only found at the Arboretum of Chungbuk National University up to dates in Korea. In this study, we investigated the antioxidative effect of this unknown plant by different conditions of collection timing (May, July, and September), extracting solution (distilled water and ethanol) and tissues (leaves, branches, and flowers). The lyophilization yields of extracts was higher in ethanol extraction than water extraction as well as in summer and autumn season collection then spring one. DPPH radical scavenging activity of extract by distilled water showed a strong antioxidative effect than ethanol extraction, but the extract collected in July was lower than the others. In the combination of collecting time and tissues, the extract from the branches collected in May and July and the leaves sampled in September showed high antioxidant effects. In addition, the total polyphenol contents were also higher in water extraction except the branches collected in July and September. From the results, it was suggested that the extract of Cladrastis platycarpa has a high potential for natural antioxidant resources. It was also proposed that the target tissues and the extraction methods should be differently applied by the seasons to obtain enough amounts of extract.

Keywords
Antioxidant
Cladrastis platycarpa
DPPH radical scavenging activity
Total polyphenol content
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Information
  • Publisher :The Plant Resources Society of Korea
  • Publisher(Ko) :한국자원식물학회
  • Journal Title :Korean Journal of Plant Resources
  • Journal Title(Ko) :한국자원식물학회지
  • Volume : 38
  • No :4
  • Pages :334-341
  • Received Date : 2025-01-23
  • Revised Date : 2025-04-17
  • Accepted Date : 2025-04-22
  • DOI :https://doi.org/10.7732/kjpr.2025.38.4.334
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