Abstract Title:

Antifungal activity of thymol and carvacrol against postharvest pathogens.

Abstract Source:

J Food Sci Technol. 2019 May ;56(5):2611-2620. Epub 2019 Apr 15. PMID: 31168143

Abstract Author(s):

Jihong Zhang, Shuang Ma, Shenglong Du, Shaoyang Chen, Helong Sun

Article Affiliation:

Jihong Zhang


is a primary pathogen causing stem and fruit rot during pre- and post-harvest. In the present study, the main purpose was to inquire into the antifungal activity and potential mechanisms of thymol and carvacrol against. During the experiment, the effects of thymol and carvacrol on physical and biochemical parameters ofwere evaluated. Results indicated that thymol and carvacrol exhibited strong antifungal activity against the targeted pathogen, with minimum inhibitory concentration and minimum fungicidal concentration of 65 mg/L and 100 mg/L for thymol, and 120 μL/L and 140 μL/L for carvacrol. Thymol and carvacrol changed obviously the morphology ofhyphae by disrupting and distorting the mycelia through scanning electron microscopy. The membrane permeability ofhyphae was prompted with the increment of two chemical agents' concentration, as evidenced by extracellular conductivity increase, the release of cell constituent, and the decrease of extracellular pH. Furthermore, a marked decline in total lipid content ofcells was induced by the two chemical agents, suggesting that the cell membrane structures were destructed. Therefore, present results indicated that thymol and carvacrol may be used as a good alternative to conventional fungicides againstin controlling grey molds in horticultural products.

Study Type : In Vitro Study
Additional Links
Pharmacological Actions : Antifungal Agents : CK(494) : AC(306)
Additional Keywords : Plant Disease

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