Role of plant extracts and essential oils in fighting against postharvest fruit pathogens and extending fruit shelf life: A review

Khetabi, Assia El; Lahlali, Rachid; Ezrari, Said; Radouane, Nabil; Lyousfi, Nadia; Banani, H.; Askarne, Latifa; Tahiri, Abdessalem; Ghadraoui, Lahsen El; Belmalha, Saâdia; Barka, Essaid Aït

doi:10.1016/j.tifs.2022.01.009

Cited by 75 publications

(21 citation statements)

References 140 publications

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“…A small number of studies on the use of these extracts Mohd Israfi et al 10.3389/fpls.2022.999270 Frontiers in Plant Science frontiersin.org during cultivation in vivo were also reviewed, mainly in the form of a protective vapour treatment. Next, plant extracts and essential oils have been assessed to help prevent spoilage and improve the longevity of postharvest fruit products (El Khetabi et al, 2022). The preferred method of utilising essential oils to increase the shelf life of freshly harvested and cut fruits is through the incorporation into edible coating.…”

Section: Application Of Essential Oils or Plant Extracts To Protect S...mentioning

confidence: 99%

“…Essential oils often contain bioactive constituents such as esters, terpenes, phenols, aldehydes and ketones, which possess antimicrobial activity (Pauli, 2001). They are relatively safer than commonly used chemical pesticides (Moharramipour and Negahban, 2014;Bhavaniramya et al, 2019;Singh et al, 2019); hence, research has been focused on understanding how the antimicrobial properties of essential oils and plant extracts can be utilized in agriculture as organic biopesticides (Lahlali et al, 2022). Therefore, this review aims to cover the literature on using essential oils and plant extracts as potential pesticides, focusing on plant diseases caused by fungi and bacteria.…”

Section: Introductionmentioning

confidence: 99%

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Essential oils and plant extracts for tropical fruits protection: From farm to table

Israfi¹,

Ali²,

Manickam³

et al. 2022

Front. Plant Sci.

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The tropical fruit industry in Malaysia makes up a large proportion of the agriculture sector, contributing to the local economy. Due to their high sugar and water content, tropical fruits are prone to pathogenic infections, providing optimal microorganism growth conditions. As one of the largest exporters of these fruits globally, following other Southeast Asian countries such as Thailand, Indonesia and the Philippines, the quality control of exported goods is of great interest to farmers and entrepreneurs. Traditional methods of managing diseases in fruits depend on chemical pesticides, which have attracted much negative perception due to their questionable safety. Therefore, the use of natural products as organic pesticides has been considered a generally safer alternative. The extracts of aromatic plants, known as essential oils or plant extracts, have garnered much interest, especially in Asian regions, due to their historical use in traditional medicine. In addition, the presence of antimicrobial compounds further advocates the assessment of these extracts for use in crop disease prevention and control. Herein, we reviewed the current developments and understanding of the use of essential oils and plant extracts in crop disease management, mainly focusing on tropical fruits. Studies reviewed suggest that essential oils and plant extracts can be effective at preventing fungal and bacterial infections, as well as controlling crop disease progression at the pre and postharvest stages of the tropical fruit supply chain. Positive results from edible coatings and as juice preservatives formulated with essential oils and plant extracts also point towards the potential for commercial use in the industry as more chemically safe and environmentally friendly biopesticides.

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Section: Application Of Essential Oils or Plant Extracts To Protect S...mentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Essential oils and plant extracts for tropical fruits protection: From farm to table

Israfi¹,

Ali²,

Manickam³

et al. 2022

Front. Plant Sci.

View full text Add to dashboard Cite

show abstract

“…Chemical fungicides are often used as the main method for controlling fruit diseases. However, various restrictions have been imposed over their use due to their numerous and significant side effects on human health and the environment [ 1 , 2 ]. The effectiveness of several fungicides such as benzimidazole and dicarboximide that are still available on the market is subsiding due to the appearance of resistant fungal strains [ 3 , 4 , 5 , 6 ].…”

Section: Introductionmentioning

confidence: 99%

Combination of Sodium Bicarbonate (SBC) with Bacterial Antagonists for the Control of Brown Rot Disease of Fruit

Lyousfi

Letrib

Legrifi

et al. 2022

JoF

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Simultaneous treatment with antagonistic bacteria Bacillus amylolquefaciens (SF14), Alcaligenes faecalis (ACBC1), and the food additive sodium bicarbonate (SBC) to control post-harvest brown rot disease caused by Monilinia fructigena, and their effect on the post-harvest quality of nectarines were evaluated. Four concentrations of SBC (0.5, 2, 3.5, and 5%) were tested. Results showed that bacterial antagonists displayed remarkable compatibility with different concentrations of SBC and that their viability was not affected. The results obtained in vitro and in vivo bioassays showed a strong inhibitory effect of all treatments. The combination of each bacterial antagonist with SBC revealed a significant improvement in their biocontrol efficacies. The inhibition rates of mycelial growth ranged from 60.97 to 100%. These results also indicated that bacterial antagonists (SF14 or ACBC1) used at 1 × 108 CFU/ mL in combination with 2, 3.5, or 5% SBC significantly improved the control of M. fructigina by inhibiting the germination of spores. Interestingly, disease incidence and lesion diameter in fruits treated with SF14, ACBC1 alone, or in combination with SBC were significantly lower than those in the untreated fruits. In vivo results showed a significant reduction in disease severity ranging from 9.27 to 64.83% compared to the untreated control, while maintaining the appearance, firmness, total soluble solids (TSS), and titratable acidity (TA) of fruits. These results suggested that the improved disease control by the two antagonistic bacteria was more likely due to the additional inhibitory effects of SBC on the mycelial growth and spore germination of the pathogenic fungus. Overall, the combination of both bacteria with SBC provided better control of brown rot disease. Therefore, a mixture of different management strategies can effectively control brown rot decay on fruits.

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“…1,7,8 These compounds have been investigated for possible applications in food preservation as natural antifungal agents and in human and veterinary medicine as natural antimicrobial agents. 9,10 Recently, several reports have highlighted the feasibility of applying essential oils (EOs) for inhibiting spore germination and mycelial growth of G. citri-aurantii, including carvone, 11 cinnamic acid, 12 thymol, 13 cinnamaldehyde, 7 citral, 14 and L-menthol. 1 Simultaneously, EO treatment could increase the total phenol content and might lead to defense responses against G. citri-aurantii in citrus fruits.…”

Section: Introductionmentioning

confidence: 99%

Screening of Oxygenated Aromatic Compounds for Potential Antifungal Activity against Geotrichum citri-aurantii through Structure–Activity Relationship Analysis

Che

Pan

Huang

et al. 2022

J. Agric. Food Chem.

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Sour rot caused by Geotrichum citri-aurantii (G. citri-aurantii) is responsible for huge economic losses during citrus fruit storage. However, the availability of chemical fungicides for controlling this disease is rather limited. In the present study, the antifungal activities of 25 oxygenated aromatic compounds against the mycelial growth of G. citri-aurantii were determined, and their corresponding structure−activity relationships were illustrated. Salicylaldehyde (pMIC = 2.689) possessed the strongest inhibitory effect on G. citri-aurantii growth, followed by thymol (pMIC = 2.478) and o-phthalaldehyde (pMIC = 2.429). Molecular electrostatic potential and molecular orbital analysis showed that the antifungal efficiency of test compounds was determined by the number and location of hydroxyl and aldehyde groups and the length of the ester chain. All compounds were selected for quantitative structure− antifungal activity relationship (QSAR) analysis. A three-dimensional-QSAR model of G. citri-aurantii inhibitors was established and demonstrated good predictive capability [comparative molecular field analysis, q 2 = 0.532, optimum number of components (ONC) =10, R 2 = 0.996, F = 560.325, standard error of estimation (SEE) = 0.034, and two descriptors; comparative similarity index analysis, q 2 = 0.675, ONC = 6, R 2 = 0.989, F = 263.354, SEE = 0.054, and five descriptors]. QSAR analysis showed that substitution at position 1 with hydrophilic and electron-withdrawing groups produced a hydrogen donor and thus improved the antifungal activity. In contrast, substitution at positions 4 or 5 with hydrophilic and electron-donating groups decreased its antifungal activity. These findings can provide theoretical guidance for preparing effective antifungal drugs for controlling sour rot in citrus.

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Role of plant extracts and essential oils in fighting against postharvest fruit pathogens and extending fruit shelf life: A review

Cited by 75 publications

References 140 publications

Essential oils and plant extracts for tropical fruits protection: From farm to table

Essential oils and plant extracts for tropical fruits protection: From farm to table

Combination of Sodium Bicarbonate (SBC) with Bacterial Antagonists for the Control of Brown Rot Disease of Fruit

Screening of Oxygenated Aromatic Compounds for Potential Antifungal Activity against Geotrichum citri-aurantii through Structure–Activity Relationship Analysis

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