Combined effect of starch/montmorillonite coating and passive MAP in antioxidant activity,total phenolics,organic acids and volatile of fresh-cut carrots |
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| Authors: | Isabela Costa Guimarães Kelen Cristina dos Reis Evandro Galvão Tavares Menezes Paulo Rogério Siriano Borges Ariel Costa Rodrigues Renato Leal |
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| Affiliation: | 1. Food Science Department, Federal University of Lavras, Lavras, Brazil;2. Federal University of Vi?osa, Campus Rio Paranaíba, Rio Paranaíba, Brazilicostag@yahoo.com.br;4. Federal University of Vi?osa, Campus Rio Paranaíba, Rio Paranaíba, Brazil |
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| Abstract: | This work evaluates fresh-cut carrots (FCC) coated with montmorillonite (MMT) subjected to passive modified atmosphere packaging. Carrots were sanitized, cooled, peeled and sliced. Half of the FCC were coated with MMT nanoparticle film and the other half were not. All FCCs were packed in a polypropylene rigid tray, covered with a polypropylene rigid lid or sealed with polyethylene?+?propylene film, in four treatments (RL, rigid lid; RLC, rigid lid?+?coating; ST, sealed tray; STC, sealed tray?+?coating). FCCs were stored at 4?°C and were analyzed weekly for 4 weeks (total antioxidant activity by 2,2-diphenyl-1-picryl hydrazyl method and the β-carotene/linoleic acid, phenolic compounds, organic acids and volatile compounds). The use of coating film with starch nanoparticles and a modified atmosphere leads to the preservation of the total antioxidant activity, the volatile and organic acids of FCC. |
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| Keywords: | Coating Daucus carota edible film minimally processed carrot nanotechnology packing |
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