Antifungal properties of hybrid films containing the essential oil of Schinus molle: Protective effect against postharvest rot of tomato

Morales-Rabanales, Quetzali Nicte; Pérez, Wendy Abril Coyotl; Rubio‐Rosas, Efraín; Cortes-Ramírez, Georgina Salud; Ramírez, José Saúl Padilla; Villa‐Ruano, Nemesio

doi:10.1016/j.foodcont.2021.108766

Cited by 21 publications

(55 citation statements)

References 46 publications

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“…The surface of square films (1 cm 2 ) was directly inoculated with 100 conidia from C. rosea whereas the surfaces of PDA squares (1 cm 2 ) were used to evaluate conidial germination as viability control (n = 10). The conditions of incubation, photoperiod, and verification of fugal proliferation were those reported by Morales-Rabanales et al [ 11 ]. Fresh Hass avocados were disinfected with 40% sodium hypochlorite for 15 min and washed with sanitized distilled water under aseptic conditions (laminar flow cabinet).…”

Section: Methodsmentioning

confidence: 98%

“…Ten kg of dried material were extracted by hydrodistillation with a Clevenger trap for 3 h. The essential oil of T. vulgaris (TvEO) was dissolved in n -hexane, dried under sodium sulfate, and stored at 4 °C until use. The chemical profile of TvEO was determined using the same equipment, capillary column, and analytical conditions previously described by Morales-Rabanales et al [ 11 ].…”

Section: Methodsmentioning

confidence: 99%

“…The films were prepared in accordance with Morales et al [ 11 ]. Chitosan (1% w / v ; medium molecular weight purchased from Sigma-Aldrich Co., St. Louis, MO, USA) was dissolved in 1% ( v / v ) acetic acid.…”

Section: Methodsmentioning

confidence: 99%

“…The FT-IR spectra of films made with pure chitosan and hybrid films containing TvEO were acquired in a Bruker Vertex 70 (Billerica, MA, USA) in the range of 400–4000 cm −1 (n = 3). Scanning microscopic approaches (SEM) of films were determined in a JEOL JSM-6610 (Akishima, Kanto, Japan) as previously reported by Morales-Rabanales et al [ 11 ]. Views of the surface and the transversal cut were obtained in triplicate (n = 3).…”

Section: Methodsmentioning

confidence: 99%

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Improving the Shelf Life of Avocado Fruit against Clonostachys rosea with Chitosan Hybrid Films Containing Thyme Essential Oil

et al. 2022

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Hass avocadoes are one of the most popular fruits consumed worldwide because of their nutritional and nutraceutical content. Nevertheless, these fruits are susceptible to phytopathogen attacks that decrease fruit quality during the postharvest period. Herein we present the results of the in situ fungistatic activity of four hybrid films (FT1–FT4) manufactured with chitosan and different concentrations of the essential oil of thyme (TvEO). The films were evaluated as biodegradable materials to prevent fruit decay triggered by Clonostachys rosea which is considered an emergent phytopathogen of this crop. The in situ fungistatic strength, spectroscopic properties (FT-IR), optical features (transmittance/opacity), and consistency obtained by microscopic analysis (SEM), indicated that the films FT3 and FT4 possessed the best physicochemical properties to protect Hass avocadoes against the soft rot produced by C. rosea. Avocadoes treated with the films FT3 and FT4 significantly (p < 0.01) conserved fruit firmness and nutritional composition (protein, fat, fiber, and reducing sugars) as well as the nutraceutical content (oleic, palmitoleic, linoleic, and palmitic acids) of infected avocados for 21 days. Our results validate the potential use of the films FT3 and FT4 to prevent the soft rot caused by C. rosea and to improve the shelf life of Hass avocadoes.

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Section: Methodsmentioning

confidence: 98%

Section: Methodsmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

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Improving the Shelf Life of Avocado Fruit against Clonostachys rosea with Chitosan Hybrid Films Containing Thyme Essential Oil

et al. 2022

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“…In this study, the most representative molecule was alpha-phellandrene with 32.68%. However, in recent studies, as reported by Morales-Rabanales et al, β -phellandrene (15.7%) and α -phellandrene (12.1%) were the main components of the EO from S. molle leaves cultivated in Tepetitla de Lardizábal, Mexico [ 30 ]. In an analysis of S. molle EO obtained of dried leaves from Seropédica, Rio de Janeiro, Brazil, epi- α -cadinol (22.85%) was the major component [ 31 ].…”

Section: Resultsmentioning

confidence: 99%

GC-MS Profile, Antioxidant Activity, and In Silico Study of the Essential Oil from Schinus molle L. Leaves in the Presence of Mosquito Juvenile Hormone-Binding Protein (mJHBP) from Aedes aegypti

Herrera-Calderon

Chávez

Enciso-Roca

et al. 2022

BioMed Research International

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Schinus molle is a medicinal plant used as an anti-inflammatory and for rheumatic pain in the traditional medicine of Peru. On the other hand, Aedes aegypti is the main vector of several tropical diseases and the transmitter of yellow fever, chikungunya, malaria, dengue, and Zika virus. In this study, the aim was to investigate the antioxidant activity in vitro and the insecticidal activity in silico, in the presence of the mosquito juvenile hormone-binding protein (mJHBP) from Aedes aegypti, of the essential oil from S. molle leaves. The volatile phytochemicals were analyzed by gas chromatography-mass spectrometry (GC-MS), and the profile antioxidants were examined by DPPH, ABTS, and FRAP assays. The evaluation in silico was carried out on mJHBP (PDB: 5V13) with an insecticidal approach. The results revealed that EO presented as the main volatile components to alpha-phellandrene (32.68%), D-limonene (12.59%), and beta-phellandrene (12.24%). The antioxidant activity showed values for DPPH = 11.42 ± 0.08 μ mol ET / g , ABTS = 134.88 ± 4.37 μ mol ET / g , and FRAP = 65.16 ± 1.46 μ mol ET / g . Regarding the insecticidal approach in silico, alpha-muurolene and gamma-cadinene had the best biding energy on mJHBP ( Δ G = − 9.7 kcal / mol ), followed by beta-cadinene ( Δ G = − 9.5 kcal / mol ). Additionally, the volatile components did not reveal antioxidant activity, and its potential insecticidal effect would be acting on mJHBP from A. aegypti.

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Fungistatic Films Containing Cinnamon Essential Oil: New Coatings to Preserve the Nutraceutical Content of Avocado Fruit against Fusariosis

Coyotl-Pérez

Morales-Rabanales

Lozoya‐Gloria

et al. 2022

Chemistry & Biodiversity

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Avocadoes are a rich source of nutrients and nutraceuticals that preserve human health. Nevertheless, this fruit is susceptible to phytopathogen infection during the postharvest period causing severe economic losses. Herein, we report on the in situ antifungal assessment of biodegradable films impregnated with the essential oil of Cinnamomum verum (CvEO) as natural fungistatic coatings to extend postharvest quality of Hass avocadoes (Persea americana cv. Hass). These coatings were evaluated on fruits previously infected with a native strain of Fusarium verticillioides. The cytotoxic assessment of CvEO on F. verticillioides revealed a minimum inhibitory concentration of 0.3±0.0 g L−1 whereas its chemical profiling showed (E)‐cinnamaldehyde (45.9 %) 1,3,8‐p‐menthatriene (7.9 %) and linalool (6.8 %) as the major bioactive compounds. Four coatings (FC1–FC4) were made using chitosan (1 %) and a diverse quantity of CvEO (0.4–1.3 % w/v). The physicochemical properties demonstrated that the films FC3 and FC4 have the optimal characteristics of a food coating. Avocadoes preserved with the films FC3 and FC4 substantially kept (p<0.01) fruit firmness and the nutraceutical content of infected avocados at least for 21 d. The results of the present investigation suggest that our hybrid materials can conserve basic nutritional parameters such as fiber, protein, reducing sugars, as well as the content of unsaturated fatty acids which are the main nutraceuticals of this fruit.

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Antifungal properties of hybrid films containing the essential oil of Schinus molle: Protective effect against postharvest rot of tomato

Cited by 21 publications

References 46 publications

Improving the Shelf Life of Avocado Fruit against Clonostachys rosea with Chitosan Hybrid Films Containing Thyme Essential Oil

Improving the Shelf Life of Avocado Fruit against Clonostachys rosea with Chitosan Hybrid Films Containing Thyme Essential Oil

GC-MS Profile, Antioxidant Activity, and In Silico Study of the Essential Oil from Schinus molle L. Leaves in the Presence of Mosquito Juvenile Hormone-Binding Protein (mJHBP) from Aedes aegypti

Fungistatic Films Containing Cinnamon Essential Oil: New Coatings to Preserve the Nutraceutical Content of Avocado Fruit against Fusariosis

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