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Article

Antifungal Hydroxypropyl Methylcellulose (HPMC)-Lipid Composite Edible Coatings and Modified Atmosphere Packaging (MAP) to Reduce Postharvest Decay and Improve Storability of ‘Mollar De Elche’ Pomegranates

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Centre de Tecnologia Postcollita (CTP), Institut Valencià d’Investigacions Agràries (IVIA), 46113 València, Spain
2
Dipartimento di Scienze e Tecnologie Agro-Alimentari, Università de Bologna, 40126 Bologna, Italy
*
Author to whom correspondence should be addressed.
Academic Editor: Andrzej Lenart
Coatings 2021, 11(3), 308; https://doi.org/10.3390/coatings11030308
Received: 8 February 2021 / Revised: 3 March 2021 / Accepted: 4 March 2021 / Published: 9 March 2021
Pomegranate exhibits important postharvest quality losses that limit its storage potential, caused mainly by weight loss, chilling injury and fungal diseases. In this work, we evaluated the effect of novel hydroxypropyl methylcellulose (HPMC) edible coatings (ECs) formulated with three different lipids (beeswax (BW), carnauba wax, and glycerol monostearate), as hydrophobic components, and two different GRAS salts (potassium bicarbonate (PBC) and sodium benzoate (SB)), as antifungal ingredients, to control weight loss and natural fungal decay of ‘Mollar de Elche’ pomegranates during storage at 20 °C. Afterwards, selected antifungal ECs and commercial modified atmosphere packaging (MAP) films were assayed alone or in combination to control natural decay and preserve fruit quality of pomegranates stored at 5 °C for 4 months plus 1 week at 20 °C. Results showed that ECs amended with SB reduced pomegranate latent infections caused by Botrytis cinerea and wound diseases caused by Penicillium spp. Moreover, MAP technologies were confirmed as an efficient mean to preserve freshness, prevent fruit shriveling and rind browning, and reduce fungal decay, thus extending storage life of pomegranates. The combination HPMC-BW-SB + MAP was the most promising treatment as it reduced weight loss and decay, without negatively affecting the fruit physicochemical and sensory quality. View Full-Text
Keywords: GRAS salts; fruit quality; non-polluting postharvest decay control; cold-storage GRAS salts; fruit quality; non-polluting postharvest decay control; cold-storage
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MDPI and ACS Style

Di Millo, B.; Martínez-Blay, V.; Pérez-Gago, M.B.; Argente-Sanchis, M.; Grimal, A.; Baraldi, E.; Palou, L. Antifungal Hydroxypropyl Methylcellulose (HPMC)-Lipid Composite Edible Coatings and Modified Atmosphere Packaging (MAP) to Reduce Postharvest Decay and Improve Storability of ‘Mollar De Elche’ Pomegranates. Coatings 2021, 11, 308. https://doi.org/10.3390/coatings11030308

AMA Style

Di Millo B, Martínez-Blay V, Pérez-Gago MB, Argente-Sanchis M, Grimal A, Baraldi E, Palou L. Antifungal Hydroxypropyl Methylcellulose (HPMC)-Lipid Composite Edible Coatings and Modified Atmosphere Packaging (MAP) to Reduce Postharvest Decay and Improve Storability of ‘Mollar De Elche’ Pomegranates. Coatings. 2021; 11(3):308. https://doi.org/10.3390/coatings11030308

Chicago/Turabian Style

Di Millo, Bruno, Victoria Martínez-Blay, María B. Pérez-Gago, Maricruz Argente-Sanchis, Amparo Grimal, Elena Baraldi, and Lluís Palou. 2021. "Antifungal Hydroxypropyl Methylcellulose (HPMC)-Lipid Composite Edible Coatings and Modified Atmosphere Packaging (MAP) to Reduce Postharvest Decay and Improve Storability of ‘Mollar De Elche’ Pomegranates" Coatings 11, no. 3: 308. https://doi.org/10.3390/coatings11030308

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