The Inhibitory Effects of <i>Curcuma longa</i> L. Essential Oil and Curcumin on <i>Aspergillus flavus</i> Link Growth and Morphology

Ferreira, Flávio Dias; Mossini, Simone Aparecida Galerani; Ferreira, Francine Maery Dias; Arrotéia, Carla Cristina; Costa, Christiane Luciana da; Nakamura, Celso Vataru; Machinski, Miguel

doi:10.1155/2013/343804

Cited by 55 publications

(23 citation statements)

References 25 publications

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“…For example, adding 250 µL mL −1 of cumin phenolic extracts to SGM medium caused a radial growth increment (47.8%), OTA reduction (37.3%), and the cultures were dominated by the presence of white mycelium. These transformations were observed by Ferreira et al [ 41 ] who found that the use of curcumin EO at 1% on A. flavus cultures did not only reduce sporulation by 95.78%, but also decreased the viability of the remaining spores to 100%. A. parasiticus manifested the same results when it was cultured with thyme’s EO.…”

Section: Discussionsupporting

confidence: 55%

Antifungal and Antiochratoxigenic Activities of Essential Oils and Total Phenolic Extracts: A Comparative Study

et al. 2017

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This study is intended to prevent ochratoxin A (OTA) production by Aspergillus carbonarius S402 using essential oils (EOs) and total phenolic compounds extracted from plants and herbs. The EOs used in this study are the following: bay leaves, cumin, fenugreek, melissa, mint, and sage. As for the phenolic compounds, they were extracted from bay leaves, cumin, fenugreek, melissa, mint, sage, anise, chamomile, fennel, rosemary, and thyme. The experiments were conducted on Synthetic Grape Medium (SGM) medium at 28 °C for 4 days. OTA was extracted from the medium with methanol and quantified using HPLC (High Performance Liquid Chromatography). Results showed that EOs had a greater impact than the total phenolic extracts on the OTA production. Reduction levels ranged between 25% (sage) and 80% (melissa) for the EOs at 5 µL mL−1, and 13% (thyme) and 69% (mint) for the phenolic extracts. Although they did not affect the growth of A. carbonarius, total phenolic extracts and EOs were capable of partially reducing OTA production. Reduction levels depended on the nature of the plants and the concentration of the EOs. Reducing OTA with natural extracts could be a solution to prevent OTA production without altering the fungal growth, thus preserving the natural microbial balance.

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Section: Discussionsupporting

confidence: 55%

Antifungal and Antiochratoxigenic Activities of Essential Oils and Total Phenolic Extracts: A Comparative Study

et al. 2017

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“…Some fungitoxic substances were already identified in mentrasto Esper et al, 2014), rue (Domingues et al, 2009;Azizi & Karouei, 2012), ginger (Sharma & Tiwari, 2013), false saffron (Ferreira et al, 2013;Parveen et al, 2013), citronella (Simic et al, 2008), rosemary (Ozcan & Chalchat, 2008), neem (Coventry & Allan, 2001) and eucalyptus citriodora (Aguiar et al, 2014). It is likely that fungicidal substances of wide spectrum present in the extracts and essential oils of these plants are involved in the inhibition of S. cepivora, such as precoceno in mentrasto , citronellal in citronella and eucalyptus citriodora (Simic et al, 2008;Tomazi et al, 2014), 1.8-cineole (eucalyptol) in ginger and rosemary (Ozcan & Chalchat, 2008;Sharma & Tiwari, 2013) and azadirachtin in neem (Coventry & Allan, 2001).…”

Section: Discussionmentioning

confidence: 97%

Inhibition of the mycelial growth and germination of Stromatinia cepivora by plant extracts and essential oils

et al. 2018

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Stromatinia cepivora is one of the major pathogens of Allium species worldwide. Assuming that substances produced by plants may be used in the management of this pathogen, the effect of plant extracts and essential oils on the mycelial growth and germination of S. cepivora was assessed in this study. The fungus was grown on PDA medium with aqueous and ethanolic extracts (20 %, m:v) of mentrasto, rue, ginger, false saffron, garlic and citronella at the concentrations of 1 or 10 mL L -1 and the essential oils of citronella, rosemary, neem and Corymbia citriodora at 100, 200, 400, 800 or 1,200 µL L -1 . None of the plant extracts reduced the germination of the sclerotia. All aqueous extracts at 10,000 µL L -1 reduced the growth of the fungus from 28.0% to 53.5%. At the 1,000 µL L -1 , the ethanolic extracts of ginger, citronella, rue and false saffron reduced the mycelial growth of the pathogen up to 45.1 %, especially the extract of ginger. The essential oils of all the plants suppressed the mycelial growth of S. cepivora at 800 and 1,200 µL L -1 , especially the citronella and rosemary oils at 1,200 µL L -1 , which caused 100% of inhibition. 5 % of sclerotia germinated in PDA containing the oils at 1,200 µL L -1 , regardless the plants. The extracts of mentrasto, rue, ginger, false saffron and citronella and especially the essential oils of citronella, rosemary, neem and C. citriodora at 1,200 µL L -1 have substances that inhibit the growth of S. cepivora.Additional keywords: Allium spp.; alternative control; white rot. ResumoStromatinia cepivora é um dos principais patógenos de espécies de Allium em todo o mundo. Partindo do pressuposto de que substâncias produzidas por plantas podem ser usadas no manejo desse patógeno, o efeito de extratos vegetais e de óleos essenciais sobre o crescimento micelial e a germinação de S. cepivora foi avaliado neste estudo. O fungo foi cultivado em BDA com extratos aquosos e etanólicos (20%, m: v) de mentrasto, arruda, gengibre, falso-açafrão, alho e citronela, nas concentrações de 1 ou 10 mL L -1 e os óleos essenciais de citronela, alecrim, nim e eucalipto citriodora, a 100; 200; 400; 800 ou 1.200 µL L -1 . Nenhum dos extratos de plantas reduziu a germinação dos escleródios. Todos os extratos aquosos a 10.000 µL L -1 reduziram o crescimento do fungo, variando de 28,0% a 53,5%. Na concentração de 10.000 µL L -1 , os extratos etanólico de gengibre, citronela, arruda e falso-açafrão reduziram o crescimento micelial do patógeno até 45,1%, especialmente o extrato de gengibre. Os óleos essenciais de todas as plantas suprimiram o crescimento micelial de S. cepivora a 800 e 1.200 µL L -1 , especialmente a citronela e os óleos de alecrim, a 1.200 µL L -1 , que causaram 100% de inibição, 5% dos escleródios germinados em BDA contendo os óleos na concentração de 1.200 µL L -1 , independentemente da planta. Os extratos de mentrasto, arruda, gengibre, açafrão e falsa-citronela e, especialmente, os óleos essenciais de citronela, alecrim, nim e eucalipto citriodora, em 1200 µL L -1 , têm...

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“…In relation to the phenolic compounds, they have been reported to have toxic activities against fungi involved in the deterioration of agricultural products by interfering with the development of mycelia [ 49 ]. They affect membrane functions such as electron transport, nutrition, enzyme activity, protein and nucleic acid synthesis, and they interact with membrane proteins, causing disruption of the structures and functionality.…”

Section: Discussionmentioning

confidence: 99%

Silver Nanoparticles and Polyphenol Inclusion Compounds Composites for Phytophthora cinnamomi Mycelial Growth Inhibition

et al. 2018

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Phytophthora cinnamomi, responsible for “root rot” or “dieback” plant disease, causes a significant amount of economic and environmental impact. In this work, the fungicide action of nanocomposites based on silver nanoparticles and polyphenol inclusion compounds, which feature enhanced bioavailability and water solubility, was assayed for the control of this soil-borne water mold. Inclusion compounds were prepared by an aqueous two-phase system separation method through extraction, either in an hydroalcoholic solution with chitosan oligomers (COS) or in a choline chloride:urea:glycerol deep eutectic solvent (DES). The new inclusion compounds were synthesized from stevioside and various polyphenols (gallic acid, silymarin, ferulic acid and curcumin), in a [6:1] ratio in the COS medium and in a [3:1] ratio in the DES medium, respectively. Their in vitro response against Phytophthora cinnamomi isolate MYC43 (at concentrations of 125, 250 and 500 µg·mL−1) was tested, which found a significant mycelial growth inhibition, particularly high for the composites prepared using DES. Therefore, these nanocomposites hold promise as an alternative to fosetyl-Al and metalaxyl conventional systemic fungicides.

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The Inhibitory Effects of Curcuma longa L. Essential Oil and Curcumin on Aspergillus flavus Link Growth and Morphology

Cited by 55 publications

References 25 publications

Antifungal and Antiochratoxigenic Activities of Essential Oils and Total Phenolic Extracts: A Comparative Study

Antifungal and Antiochratoxigenic Activities of Essential Oils and Total Phenolic Extracts: A Comparative Study

Inhibition of the mycelial growth and germination of Stromatinia cepivora by plant extracts and essential oils

Silver Nanoparticles and Polyphenol Inclusion Compounds Composites for Phytophthora cinnamomi Mycelial Growth Inhibition

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