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2020 Vol.33, Issue 3 Preview Page

Research Article

Characteristics of Organic Acid Contents and Fermentation Solution of Prunus mume in South Korea
Hee-Kyoung Kang1
,
Hye-Rin Kang2
,
Young-Sang Lee3
,
Hong-Seon Song4*
1Professor, Department of Horticulture, Kongju National University, Yesan 32439, Korea
2Graduate Student, Department of Horticulture, Kongju National University, Yesan 32439, Korea
3Professor, Department of Medical Biotechnology, Soonchunhyang University, Asan 31538, Korea
4Adjunct Professor, Department of Plant Resource, Kongju National University, Yesan 32439, Korea
* Corresponding Author
1 June 2020. pp. 194-199
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Abstract

This study was carried out to get the information of Plum tree (192 germplasm) collected in Korea, and to evaluate the organic acid contents and fermentation solution. The organic acid content of fruit was 50.9 ± 6.0 ㎎/g, and which was composed of 55.5% of citric acid, 43.4% of malic acid and 1.1% of oxalic acid, and showed large difference among germplasms. Oxalic acid and malic acid made no differences in organic acid content according to flesh color, whereas citric acid and total organic acid contents were highest in orange color and lowest in whitish green. Malic acid, citric acid and total organic acid contents did not show differences among fruit weight groups, but oxalic acid content was highest at fruit weight of 5.1 ~ 10.0 g and lowest at more than 20.1 g. The sugar content of fermentation solution of fruit was 55.7 ± 1.6 °Brix and the harvest rate was 116.7 ± 8.7%. The correlation coefficients among fruit weight, the sugar content (°Brix) and harvest rate of fermentation solution were very low, and there were correlations of r=–0.551** between fruit weight and oxalic acid, r=–0.767** between malic acid and citric acid, and r=0.834** between citric acid and total organic acid content.

Keywords
Fermentation solution
Germplasm
Organic acid
Plum tree
Prunus mume
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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 : 33
  • No :3
  • Pages :194-199
  • Received Date : 2020-04-06
  • Revised Date : 2020-05-08
  • Accepted Date : 2020-05-12
  • DOI :https://doi.org/10.7732/kjpr.2020.33.3.194
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