Use of an exopolysaccharide-based edible coating and lactic acid bacteria with antifungal activity to preserve the postharvest quality of cherry tomato

Álvarez, Ana; Manjarres, Juan J.; Ramírez, Cristina; Bolívar, Germán

doi:10.1016/j.lwt.2021.112225

Cited by 34 publications

(25 citation statements)

References 29 publications

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“…Recent studies showed remarkable antifungal activity of some EPS produced by Lactobacillus strains [ 176 ]. Moreover, Álvarez et al [ 222 ] used the strain L. plantarum for the production of EPSs included in an edible coating as an antifungal agent. EPSs have also been reported to exert antiviral activities, especially the sulfated EPSs [ 90 ].…”

Section: Health-promoting Effectsmentioning

confidence: 99%

Exopolysaccharides Produced by Lactic Acid Bacteria: From Biosynthesis to Health-Promoting Properties

Jurášková

Ribeiro

Silva

2022

Foods

122

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The production of exopolysaccharides (EPS) by lactic acid bacteria (LAB) has attracted particular interest in the food industry. EPS can be considered as natural biothickeners as they are produced in situ by LAB and improve the rheological properties of fermented foods. Moreover, much research has been conducted on the beneficial effects of EPS produced by LAB on modulating the gut microbiome and promoting health. The EPS, which varies widely in composition and structure, may have diverse health effects, such as glycemic control, calcium and magnesium absorption, cholesterol-lowering, anticarcinogenic, immunomodulatory, and antioxidant effects. In this article, the latest advances on structure, biosynthesis, and physicochemical properties of LAB-derived EPS are described in detail. This is followed by a summary of up-to-date methods used to detect, characterize and elucidate the structure of EPS produced by LAB. In addition, current strategies on the use of LAB-produced EPS in food products have been discussed, focusing on beneficial applications in dairy products, gluten-free bakery products, and low-fat meat products, as they positively influence the consistency, stability, and quality of the final product. Highlighting is also placed on reports of health-promoting effects, with particular emphasis on prebiotic, immunomodulatory, antioxidant, cholesterol-lowering, anti-biofilm, antimicrobial, anticancer, and drug-delivery activities.

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Section: Health-promoting Effectsmentioning

confidence: 99%

Exopolysaccharides Produced by Lactic Acid Bacteria: From Biosynthesis to Health-Promoting Properties

Jurášková

Ribeiro

Silva

2022

Foods

122

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“…However, as a climacteric fruit, they have a short postharvest life, and they are also vulnerable to environmental factors and phytopathogenic fungi that can cause the fruit to decay and deteriorate (Raynaldo et al, 2021). B. cinerea (gray mold) can infect all the organs of tomato except the roots, causing lesions in cherry tomatoes before and after picking, thus, resulting in reduced tomato yields (Guerra et al, 2015;Álvarez et al, 2021). In addition, B. cinerea can overwinter in the soil as spores or hyphae and reinfect the following year (Rguez et al, 2020).…”

Section: Introductionmentioning

confidence: 99%

Inhibitory effect and mechanism of action of juniper essential oil on gray mold in cherry tomatoes

Zhang

et al. 2022

Front. Microbiol.

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Juniper essential oil (JEO), which is mostly known as an immune system booster and effective detoxifier, has substantial antimicrobial activity. A comparison of the inhibitory effects of three plant essential oils from juniper (Juniperus rigida), cedarwood (Juniperus virginiana), and cypress (Crupressus sempervirens) on four plant pathogenic fungi indicated that JEO was the most effective at inhibiting the growth of gray mold (Botrytis cinerea). Additional studies were subsequently conducted to explore the in vivo and in vitro antifungal activity and possible mechanism of JEO against B. cinerea. The results show that JEO inhibited the germination of spores and mycelial growth of B. cinerea in a concentration-dependent manner and exhibited strong inhibition when its concentration exceeded 10 μL/mL. JEO also significantly inhibited the incidence of disease and diameters of gray mold lesions on cherry tomato fruit (Solanum lycopersicum). After 12 h of treatment with JEO, the extracellular conductivity, and the contents of soluble protein, malondialdehyde, and hydrogen peroxide were 3.1, 1.2, 7.2, and 4.7 folds higher than those of the control group, respectively (P < 0.05), which indicated that JEO can damage membranes. Scanning electron microscopy observations revealed that JEO affected the morphology of mycelia, causing them to shrivel, twist and distort. Furthermore, JEO significantly improved the activities of the antioxidant-related enzymes superoxide dismutase and catalase but reduced the pathogenicity-related enzymes polygalacturonase (PG), pectin lyase and endoglucanase of B. cinerea (P < 0.05). In particular, PG was reduced by 93% after treatment with JEO for 12 h. Moreover, the 18 constituents of JEO were identified by gas chromatography/mass spectrometry (GC-MS) analysis, mainly limonene (15.17%), γ-terpinene (8.3%), β-myrcene (4.56%), terpinen-4-ol (24.26%), linalool (8.73%), α-terpineol (1.03%), o-cymene (8.35%) and other substances with antimicrobial activity. Therefore, JEO can be an effective alternative to prevent and control gray mold on cherry tomato fruit.

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“…The combination of shellac with carvacrol or thymol reduced grapefruit decay and suppressed chilling injury [39]. the cherry tomato [43]. Starch-based coatings control pathogenic fungi and bacteria only if amended with antifungal ingredients, such as essential oil and sodium benzoate [44][45][46].…”

Section: Other Edible Coatingsmentioning

confidence: 99%

Chitosan and other edible coatings to extend shelf life, manage postharvest decay, and reduce loss and waste of fresh fruits and vegetables

Romanazzi

Moumni

2022

Current Opinion in Biotechnology

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Use of an exopolysaccharide-based edible coating and lactic acid bacteria with antifungal activity to preserve the postharvest quality of cherry tomato

Cited by 34 publications

References 29 publications

Exopolysaccharides Produced by Lactic Acid Bacteria: From Biosynthesis to Health-Promoting Properties

Exopolysaccharides Produced by Lactic Acid Bacteria: From Biosynthesis to Health-Promoting Properties

Inhibitory effect and mechanism of action of juniper essential oil on gray mold in cherry tomatoes

Chitosan and other edible coatings to extend shelf life, manage postharvest decay, and reduce loss and waste of fresh fruits and vegetables

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