Essential oils to control Alternaria alternata in vitro and in vivo

Wang, Feng; Zheng, Xiaodong

doi:10.1016/j.foodcont.2006.05.017

Cited by 252 publications

(149 citation statements)

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“…All the compounds determined with the HPLC method are reported in literature as antibiotic and fungistatic (Clarke, 1972;San Francisco and Cooper-Driver, 1984;Downum, 1992;Zadernowski et al, 2005;Ruelas et al, 2006;Vermerris and Nicholson, 2006;Feng and Zheng, 2007). For example, a combination of the following acids p-coumaric, ferulic, caffeic, and p-hydroxybenzoic at a concentration of 500 ppm inhibits the mycelial growth of Botrytis cinerea model, where the two first compounds had the more powerful antifungal effect (San Francisco and Cooper-Driver, 1984).…”

Section: Discussionmentioning

confidence: 99%

“…The following compounds were found in the different samples analyzed: chlorogenic acid, cinnamic acid, p-coumaric acid, ferulic acid, vanillin, vanillic acid, rutin, caffeic acid, 3, 4-hydroxybenzoic acid (veratric acid), 3, 4-dimethoxycinnamic acid (caffeic acid dimethyl ester), and protocatechuic acid. All these compounds have been described as metabolic antimicrobial compounds (Clarke, 1972;Downum, 1992;Zadernowski et al, 2005;Ruelas et al, 2006;Vermerris and Nicholson, 2006;Feng and Zheng, 2007).…”

Section: Discussionmentioning

confidence: 99%

“…There were three replicates per experiment. Plates were incubated for 14 days at 23 °C and its growth was measured every 24 h until the first Petri dish was filled with mycelia (Groover and Moore, 1962;Feng and Zheng, 2007).…”

Section: Determination Of Compound Concentration Using Hplcmentioning

confidence: 99%

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Actividad antifúngica de tres extractos de plantas chilenas en Botrytis cinerea

et al. 2012

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Abstract:The antifungal effect of the complete methanolic extract and a ethanolic fraction of three native Chilean plants (Ephedra breana, Fabiana imbricata, and Nolana sedifolia) were tested in vitro against Botrytis cinerea (the grey mold fungus) at 250 µg/mL for E. breana and N. sedifolia extracts and 400 µg/mL for F. imbricata extract. The results of this study showed that the ethanolic fractions of E. breana and N. sedifolia have a fungistatic effect during 14 days, while the fungus is exposed to the media with extracts. The complete methanolic fractions of the three studied plant species and the ethanolic fraction of F. imbricada did not show any fungicidal effect. The extracts and fractions were analyzed by high-performance liquid chromatography and the assayed compounds were: chlorogenic acid, cinnamic acid, p-coumaric acid, ferulic acid, vanillin, vanillic acid, rutin, caffeic acid, 3, 4-hydroxibenzoic acid (veratric acid), 3, 4-dimethoxycinnamic acid (caffeic acid dimethyl ester), and protocatechuic acid. Taking into account the antifungal activity of the ethanolic extracts of E. breana and N. sedifolia in in vitro assay, they may be an interesting alternative to control the phytopathogen Botrytis cinerea. Key words: Ephedra breana, Fabiana imbricata, fungicidal, Nolana sedifolia phenolic compounds, plant extracts.Resumen: Se estudiaron los posibles efectos antifúngico de los extractos metanólicos crudos y fracciones etanólicas de tres plantas nativas de Chile: Ephedra breana, Fabiana imbricata y Nolana sedifolia sobre el desarrollo micelial in vitro del hongo fitopatóge-no Botritis cinerea (moho gris), a una concentración de 250 µg/mL de E. breana y N. sedifolia, y de 400 µg/mL para F. imbricata. Los resultados ponen en evidencia que las fracciones etanólicas de E. breana y N. sedifolia ejercieron un efecto inhibitorio del crecimiento micelial de B. cinerea, en condiciones in vitro. Este efecto demostró ser fungistático y se mantuvo durante los 14 días evaluados. Los extractos completos de ambas especies no mostraron efectos inhibitorios. Los extractos completos y las fracciones etanólicas fueron analizadas por cromatografía líquida de alta eficiencia y entre los compuestos encontrados fueron: ácido clorogé-nico, ácido cinámico, ácido p-cumárico, ácido ferúlico, vainillina, ácido vainíllico, rutina, ácido caféico, ácido 3,4-hidroxibenzoico (ácido verátrico), ácido caféico dimetil ester (ácido 3, 4 dimetoxicinámico) y ácido protocatéquico. Las fracciones etanólicas obtenidas pueden considerarse como una promisoria alternativa para el control de este fitopatógeno.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

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Actividad antifúngica de tres extractos de plantas chilenas en Botrytis cinerea

et al. 2012

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“…In in vivo studies, emulsions of oils of thyme and oregano at 5000 ppm and 10000 ppm as dip treatments reduced disease development in tomatoes inoculated with Botrtytis cinerea and Alternaria arborescens [14]. Additional experiments also concluded the fungicidal effect of essential oils against Alternaria alternate of tomatoes [12,15]. Al-Jabel Al-Akhdar province which is located in the eastern part of Libya has many widely predominant species of medical plants such as rosemary, oregano; thyme which is represents a rich source of potential disease control agents.…”

Section: Introductionmentioning

confidence: 94%

Evaluation of Antifungal Activity of Some Plant Extracts and their Applicability in Extending the Shelf Life of Stored Tomato Fruits

Ibrahim¹,

Al-Ebady²

2014

J Food Process Technol

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Ethanolic extracts of tarragon (Artemisia dracunculus), rosemary (Rosemarinus officinalis L) and thyme (Thymus vulgaris L.) and the essential oil of oregano (Origanum vulgare L.) were tested against many fungi including A.niger, A.flavus, Penicillium spp., Rhizopus spp. and fusarium spp. Oregano essential oil showed a very strong antifungal activity against Fuazarium spp. (MIC: 0.8 mg/ml), A.niger (MIC: <1 mg/ml) and Penicillium spp. (MIC: 4.5 mg/ml) whereas other fungi showed more resistant. The results showed that Rhizopus spp. was the most sensitive fungus to the plant extracts whereas rosemary was the most effective plant. Application of essential oils or ethanolic rosemary extract with different concentrations (100, 500, 1000, 1500, 2000 ppm) and refrigeration storage (at either 5 or 25°C) for postharvest spoilage control of tomatoes for 4 weeks showed that the combination of two treatments (refrigeration with either oregano essential oil or rosemary extract) was more effective to keep quality of tomatoes.

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“…Although the mode of action of J. procera extract is not completely explained, it has been suggested that they act over cytoplasmic membranes, producing changes in their fatty acids. Feng and Zheng [57] reported that the natural compounds from plants interfere in the electron transport, the nutrient absorption, the fatty acid synthesis, the adenosine triphosphatase activity, and other metabolic processes of the cell. Table 4: Fatty acids content of A. flavus and F. oxysporum cultivated in medium supplemented with J. procera extract (200 mg/100 ml).…”

Section: Data Inmentioning

confidence: 99%

Eco-friendly and Safe Role of Juniperus procera in Controlling of Fungal Growth and Secondary Metabolites

Ghany¹

2014

J Plant Pathol Microbiol

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Radial growth Aspergillus flavus and Fusarium oxysporum was determined on medium amended with Juniperus procera methanolic extract. The radial growth of A. flavus and F. oxysporum was significantly reduced at 150 and 200 mg. The precentage of reduction was 16.55%, 48.54% and 48.64%, 59.86% for A. flavus and F. oxysporum, respectively. However, addition of J. procera extract to Carbomar significantly reduced radial growth compared with using Carbomar alone. On the other hand, with addition of the J. procera extract, the productivity percentage of aflatoxins B2, aflatoxins B1, sterigmatocystin, cyclopiazonic acid and fusaric acid was reduced by100, 67.44, 96.28, 60.33 and 8.36%, respectively as a result of applied J. procera extract. Moreover, the extract of J. procera significantly reduced the F. oxysporum colony-forming units (cfu) in the cultivated soil with Raphanus sativus at 5 days. F. oxysporum populations at 100 and 200 mg of J. procera extract were 25.33×103 and 21.33×103 cfu g-1, respectively. However, when added with Carbomar, extract of J. procera strongly reduced F. oxysporum populations (9.33×10 3 cfu g-1). In addition, the J. procera extract reduced the mean disease rating of wilt disease of R. sativus caused by F. oxysporum. Less content of chlorophyll a and b (3.56 and 1.65 mg/g fresh weight, respectively at P<0.01) was detected in infected R. sativus than treated with J. procera extract or Carbomar.

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Essential oils to control Alternaria alternata in vitro and in vivo

Cited by 252 publications

References 13 publications

Actividad antifúngica de tres extractos de plantas chilenas en Botrytis cinerea

Actividad antifúngica de tres extractos de plantas chilenas en Botrytis cinerea

Evaluation of Antifungal Activity of Some Plant Extracts and their Applicability in Extending the Shelf Life of Stored Tomato Fruits

Eco-friendly and Safe Role of Juniperus procera in Controlling of Fungal Growth and Secondary Metabolites

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