| Surface treatments and coatings to maintain fresh-cut mango quality in storage. | |
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MedLine Citation:
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PMID: 20672334 Owner: NLM Status: In-Process |
Abstract/OtherAbstract:
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BACKGROUND: Edible coatings may extend fresh-cut fruit storage by preventing moisture loss and decreasing gas exchange. This study evaluated the effect of an antibrowning dip (calcium ascorbate, citric acid and N-acetyl-L-cysteine), followed or not with carboxymethylcellulose (CMC) or carrageenan coatings on quality of fresh-cut mangoes stored at 5 °C for up to 20 days. A fourth treatment, only used in one of four experiments, consisted of chitosan. Treatments were applied on 'Tommy Atkins', 'Kent' and 'Keitt' mangoes harvested from Homestead (FL), and on imported store-bought mangoes. RESULTS: The antibrowning dips maintained the best visual quality during storage for all cultivars, as indicated by higher b*, hue and L*. The CMC coating maintained similar visual quality, but carrageenan or chitosan decreased L* and b*. The antibrowning dip containing calcium ascorbate reduced firmness loss on cut pieces of 'Keitt', 'Kent' and store-bought mangoes. The antibrowning treatment maintained higher titratable acidity for 'Kent' and 'Keitt', resulting in lower sensory sweetness. CONCLUSION: This study with repeated experiments showed that calcium ascorbate with citric acid and N-acetyl-L-cysteine maintained cut mango slices attractiveness in storage by keeping light color in both varieties. The addition of a polysaccharide coating did not consistently improve quality. |
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Authors:
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Anne Plotto; Jan A Narciso; Nithiya Rattanapanone; Elizabeth A Baldwin |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Journal of the science of food and agriculture Volume: 90 ISSN: 1097-0010 ISO Abbreviation: J. Sci. Food Agric. Publication Date: 2010 Oct |
Date Detail:
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Created Date: 2010-09-16 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 0376334 Medline TA: J Sci Food Agric Country: England |
Other Details:
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Languages: eng Pagination: 2333-41 Citation Subset: IM |
Affiliation:
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USDA/ARS, Citrus and Subtropical Products Laboratory, 600 Avenue S, NW, Winter Haven, FL 33881, USA. anne.plotto@ars.usda.gov |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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