Potential use of thymol to control anthracnose development in mango

Chillet, Marc; Minier, Jérôme; Hoarau, Mathilde; Meile, Jean-Christophe

doi:10.1007/s10658-019-01825-9

Cited by 14 publications

(10 citation statements)

References 23 publications

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“…From a biochemical point of view, our results concerning the contents of HBA and HCA show that thymol treatments (0.01% and 0.025%) inhibited polyphenols synthesis in healthy areas as in necrotic areas. This result is contrary to what was obtained on mangoes [13] [14] and avocado [15] where the synthesis of polyphenolic compounds involved in the resistance mechanisms of fruits was elicited. The HBA contents generally remain stable or decrease lightly when necrosis develops, and the HCA contents increase strongly [6].…”

Section: Discussioncontrasting

confidence: 99%

Potential Use of Essentials Oils to Control Fruitlet Core Rot (FCR) in Pineapple (Queen Victoria Variety) in Reunion Island

Chillet¹,

Hoareau²,

Hoarau³

et al. 2020

AJPS

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Section: Discussioncontrasting

confidence: 99%

Potential Use of Essentials Oils to Control Fruitlet Core Rot (FCR) in Pineapple (Queen Victoria Variety) in Reunion Island

Chillet¹,

Hoareau²,

Hoarau³

et al. 2020

AJPS

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“…Thymol showed high in vitro efficacy against both spore germination and mycelial growth of C. gloeosporioides [13]. Recent works on avocado and mango also demonstrated the effectiveness of thyme oil and thymol for controlling postharvest diseases, by the stimulation of biochemical pathways involved in natural defence [14] [15].…”

Section: Introductionmentioning

confidence: 99%

“…Thus, the chemical properties and antimicrobial activity of thymol can elicit physiological responses of the fruit to control C. gloeosporioides. However, high doses of thymol may inhibit certain metabolic pathways involved in fruit resistance; the synthesis of resorcinol decreased in fruits treated with doses of thymol higher than 0.1% [15].…”

Section: Introductionmentioning

confidence: 99%

Optimisation of the Postharvest Treatment with Thymol to Control Mango Anthracnose

Chillet¹,

Minier²,

Hoarau³

et al. 2020

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Anthracnose, caused by the fungus called Colletotrichum gloeosporioides, is the main postharvest disease that affects mango production on Reunion Island. Fruits for the export market are always treated with chemicals. The use of chemical treatment is not in adequation with consumer expectations, and the increasing emergence of fungicide-resistant isolates promotes the development of alternatives methods. The principal objective of this work was to use antimicrobial properties of thymol as an alternative postharvest treatment on mango. Thymol diluated in a penetrating agent solution was effective on mango anthracnose. At a concentration of 0.025%, Thymol limited necrosis development due to pathogens during fruit storage. This treatment can stimulate some of polyphenols biosynthesis involved in the fruit resistance to postharvest disease, particularly the synthesis of gallic acid and resorcinol. With this final concentration of 0.025% thymol, the treatment did not affect fruit maturation and quality, especially the peel colour and sugar content. Importantly, the treatment did not show any detectable effect on organoleptic qualities of the fruit.

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“…Some studies have reported that GA and its derivate MG have antimicrobial effects in vitro and in vivo [ 24 , 25 , 26 , 27 ]. However, in these investigations, none of the pathogens used for resistance evaluation were the main pathogens of tea plants.…”

Section: Resultsmentioning

confidence: 99%

Metabolism of Gallic Acid and Its Distributions in Tea (Camellia sinensis) Plants at the Tissue and Subcellular Levels

Zhou

Zeng

Chen

et al. 2020

IJMS

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In tea (Camellia sinensis) plants, polyphenols are the representative metabolites and play important roles during their growth. Among tea polyphenols, catechins are extensively studied, while very little attention has been paid to other polyphenols such as gallic acid (GA) that occur in tea leaves with relatively high content. In this study, GA was able to be transformed into methyl gallate (MG), suggesting that GA is not only a precursor of catechins, but also can be transformed into other metabolites in tea plants. GA content in tea leaves was higher than MG content—regardless of the cultivar, plucking month or leaf position. These two metabolites occurred with higher amounts in tender leaves. Using nonaqueous fractionation techniques, it was found that GA and MG were abundantly accumulated in peroxisome. In addition, GA and MG were found to have strong antifungal activity against two main tea plant diseases, Colletotrichum camelliae and Pseudopestalotiopsis camelliae-sinensis. The information will advance our understanding on formation and biologic functions of polyphenols in tea plants and also provide a good reference for studying in vivo occurrence of specialized metabolites in economic plants.

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Potential use of thymol to control anthracnose development in mango

Cited by 14 publications

References 23 publications

Potential Use of Essentials Oils to Control Fruitlet Core Rot (FCR) in Pineapple (Queen Victoria Variety) in Reunion Island

Potential Use of Essentials Oils to Control Fruitlet Core Rot (FCR) in Pineapple (Queen Victoria Variety) in Reunion Island

Optimisation of the Postharvest Treatment with Thymol to Control Mango Anthracnose

Metabolism of Gallic Acid and Its Distributions in Tea (Camellia sinensis) Plants at the Tissue and Subcellular Levels

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