Antifungal activity of eucalyptus-derived phenolics against postharvest pathogens of kiwifruits
Oh, Soon-Ok2,3; Kim, Jung A.3; Jeon, Hae-Sook3; Park, Jong Cheol4; Koh, Young Jin1; Hur, Hyun5; Hur, Jae-Seoun3
2008-09-01
发表期刊PLANT PATHOLOGY JOURNAL
ISSN1598-2254
卷号24期号:3页码:322-327
摘要Antifungal activities of natural substrances from Eucalyptus darlympleana, E. globules, E. gunnii and E. unigera were evaluated against postharvest pathogens of kiwifruits, Botrytis cinerea, Botryosphaeria dothidea, and Diaporthe actinidiae, to screen effective natural substances as an alternative to chemical fungicides. Methanol extract of the Eucalyptus trees showed strong antagonistic activity against the pathogenic fungi. Among them, E. unigera and E. darlympleana effectively inhibited mycelial growth of the pathogens. For chemical identification of the antifungal substances, the methanol extract of E. darlympleana leaves was successively partitioned with CH(2)Cl(2), EtOAc, n-BuOH and H(2)O. Among the fractions, CH,Cl, and n-BuOH showed strong inhibitory activity of mycelial growth of the fungi. Five compounds were isolated from EtOAc and n-BuOH fractions subjected to SiO(2) column chromatography. Two phenolic compounds (gallic acid and 3,4-dihydroxy-benzoic acid) and three flavonoid compounds (quercetin, quercetin-3-O-alpha-L-rhamnoside, quercetin-3-O-beta-D-glucoside) were identified by (1)H-NMR and (13)C-NMR spectroscopy. Among them, only gallic acid was found to be effective in mycelial growth and spore germination of B. cinerea at relatively high concentrations. The results suggest that gallic acid can be a safer and more acceptable alternative to current synthetic fungicides controlling soft rot decay of kiwifruit during postharvest storage.
关键词Biofungicide Bioresource Natural Substances Postharvest Storage Soft Rot Decay
资助信息Rural Development Administration program, Republic of Korea [20050401033570]
学科领域Agriculture, Multidisciplinary ; Plant Sciences
收录类别SCI
语种英语
WOS研究方向Agriculture ; Plant Sciences
WOS类目Agriculture, Multidisciplinary ; Plant Sciences
WOS记录号WOS:000258905900010
引用统计
被引频次:6[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.kib.ac.cn/handle/151853/2677
专题中国科学院东亚植物多样性与生物地理学重点实验室
作者单位1.Sunchon Natl Univ, Dept Plant Med, Sunchon 540742, South Korea
2.Chinese Acad Sci, Kunming Inst Bot, Kunming 650204, Yunnan, Peoples R China
3.Sunchon Natl Univ, Korean Lichen Res Inst, Sunchon 540742, South Korea
4.Sunchon Natl Univ, Dept Oriental Med Resources, Sunchon 540742, South Korea
5.Dongguk Univ, Dept Biol, Seoul 100715, South Korea
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Oh, Soon-Ok,Kim, Jung A.,Jeon, Hae-Sook,et al. Antifungal activity of eucalyptus-derived phenolics against postharvest pathogens of kiwifruits[J]. PLANT PATHOLOGY JOURNAL,2008,24(3):322-327.
APA Oh, Soon-Ok.,Kim, Jung A..,Jeon, Hae-Sook.,Park, Jong Cheol.,Koh, Young Jin.,...&Hur, Jae-Seoun.(2008).Antifungal activity of eucalyptus-derived phenolics against postharvest pathogens of kiwifruits.PLANT PATHOLOGY JOURNAL,24(3),322-327.
MLA Oh, Soon-Ok,et al."Antifungal activity of eucalyptus-derived phenolics against postharvest pathogens of kiwifruits".PLANT PATHOLOGY JOURNAL 24.3(2008):322-327.
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