Increasing strawberry shelf-life with carvacrol and methyl cinnamate antimicrobial vapors released from edible films |
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| Institution: | 1. Department of Agronomy, Food, Natural Resources, Animal and Environment, University of Padova, viale dell’Universita’ 16, 35020 Legnaro, Padova, Italy;2. Western Regional Research Center, U.S. Department of Agriculture, Agricultural research Service, 800 Buchanan Street, Albany, CA 94710, USA;1. Postharvest Technology Research Laboratory, South African Research Chair in Postharvest Technology, Department of Food Science, Stellenbosch University, Private Bag X1, Matieland, 7602, South Africa;2. Department of Horticultural Engineering, Leibniz-Institute for Agricultural Engineering and Bioeconomy (ATB), Potsdam-Bornim, D-14469 Potsdam, Germany;3. Fruit and Postharvest Pathology Research Programme, Department of Plant Pathology, Stellenbosch University, Private Bag X1, Matieland, 7602, South Africa;4. Department of Chemistry and Polymer Science, Stellenbosch University, Private Bag X1, Matieland, South Africa;5. Postharvest Technology Research Laboratory, South African Research Chair in Postharvest Technology, Department of Horticultural Sciences, Stellenbosch University, Private Bag X1, Matieland, 7602, South Africa;1. Department of Microbiology and Plant Pathology, University of Pretoria, Private Bag X20, Hillcrest, 0028, South Africa;2. Postharvest Technology Group, Department of Crop Sciences, Tshwane University of Technology, Private Bag X680, Pretoria West, 0001, South Africa;3. Hamelmalo Agricultural College, Keren, Eritrea;1. División Multidisciplinaria de la Universidad Autónoma de Ciudad Juárez en Ciudad Universitaria, Av. José de Jesús Macías Delgado # 18100, Ciudad Juárez, C.P. 32000, Chihuahua, México;2. Universidad Autónoma de Ciudad Juárez, Instituto de Ciencias Biomédicas, Av. Benjamín Franklin # 4650, Zona PRONAF alfa, Ciudad Juárez, C.P. 32310, Chihuahua, México;3. Centro de Investigación en Alimentación y Desarrollo A.C., Unidad Cuauhtémoc, Av. Río Conchos S/N, Parque Industrial., Ciudad Cuauhtémoc, C.P. 31570, Chihuahua, México;1. Center of Excellence in Environment and Plant Physiology, Department of Botany, Faculty of Science, Chulalongkorn University, Bangkok 10330, Thailand;2. Metallurgy and Materials Science Research Institute, Chulalongkorn University, Bangkok, 10330, Thailand;1. College of Food Science, Sichuan Agricultural University, Yaan, 625014, China;2. INRA, UMR408 Se ? curite ? et Qualite ? des Produits d’ Origine Ve ? ge ? tale, Domaine Saint Paul, 228 route de l’ Ae ?; rodrome, CS 40509, F-84000, Avignon, France;3. School of Materials Science and Engineering, Southwest Jiaotong University, Chengdu, 610031, China;4. California NanoSystems Institute, University of California, Los Angeles, CA, 90095, USA |
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| Abstract: | The effect of carvacrol and methyl cinnamate vapors incorporated into strawberry puree edible films on the postharvest quality of strawberry fruit (Fragaria × ananassa) was investigated. Fresh strawberries were packed in clamshells and kept at 10 °C for 10 days with 90% RH. Strawberry puree edible films, applied in the clamshell, served as carriers for the controlled release of natural antimicrobial compounds without direct contact with the fruit. Changes in weight loss, visible decay, firmness, surface color, total soluble solids content, total soluble phenolics content and antioxidant capacity of strawberries during storage were evaluated. A significant delay and reduction in the severity of visible decay was observed in fruit exposed to antimicrobial vapors. Carvacrol and methyl cinnamate vapors released from the films helped to maintain firmness and brightness of strawberries as compare to the untreated strawberries. The natural antimicrobial vapors also increased the total soluble phenolics content and antioxidant activity of fruit at the end of the storage period. |
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| Keywords: | Antimicrobial activity Essential oils Post-harvest Strawberry Quality Edible film |
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