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Evaluation of the shelf-life extension of fresh-cut pineapple (Smooth cayenne) by application of different edible coatings

Evaluation of the shelf-life extension of fresh-cut pineapple (Smooth cayenne) by application of... The purpose of this paper is to evaluate the shelf-life of minimally processed pineapple when subjected to the use of different edible coatings.Design/methodology/approachThe pineapples were peeled and cut into cubes. The gums were prepared by dissolving them in distilled water and then heated to total dissolution. After calcium chloride, citric acid and ascorbic acid and glycerol were added in the solutions. The pieces of pineapple were completely submerged in the respective solutions and then drained. Four treatments were obtained, namely: T1 – control treatment (pineapple without coating); T2 – pectin; T3 – tara; T4 – xanthan. The cubes were stored in PET by 12 days at 4±1°C. Analyzes were carried out of mass loss, pH, titratable acidity, soluble solids, microbiological and sensory analysis.FindingsIt was possible to observe that the use of evaluated coatings was efficient to maintain the conservation of minimally processed pineapple in all analyzes, when compared with the control sample. The treatment with tara gum showed the best results to those obtained by the other studied gums.Practical implicationsThe study may help small-scale establishments to increase the shelf-life of minimally processed pineapple.Originality/valueTara gum reduced the mass loss, delayed the microbial growth and maintained the sensorial quality of minimally processed pineapples for a longer time. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png British Food Journal Emerald Publishing

Evaluation of the shelf-life extension of fresh-cut pineapple (Smooth cayenne) by application of different edible coatings

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References (53)

Publisher
Emerald Publishing
Copyright
© Emerald Publishing Limited
ISSN
0007-070X
DOI
10.1108/bfj-11-2018-0780
Publisher site
See Article on Publisher Site

Abstract

The purpose of this paper is to evaluate the shelf-life of minimally processed pineapple when subjected to the use of different edible coatings.Design/methodology/approachThe pineapples were peeled and cut into cubes. The gums were prepared by dissolving them in distilled water and then heated to total dissolution. After calcium chloride, citric acid and ascorbic acid and glycerol were added in the solutions. The pieces of pineapple were completely submerged in the respective solutions and then drained. Four treatments were obtained, namely: T1 – control treatment (pineapple without coating); T2 – pectin; T3 – tara; T4 – xanthan. The cubes were stored in PET by 12 days at 4±1°C. Analyzes were carried out of mass loss, pH, titratable acidity, soluble solids, microbiological and sensory analysis.FindingsIt was possible to observe that the use of evaluated coatings was efficient to maintain the conservation of minimally processed pineapple in all analyzes, when compared with the control sample. The treatment with tara gum showed the best results to those obtained by the other studied gums.Practical implicationsThe study may help small-scale establishments to increase the shelf-life of minimally processed pineapple.Originality/valueTara gum reduced the mass loss, delayed the microbial growth and maintained the sensorial quality of minimally processed pineapples for a longer time.

Journal

British Food JournalEmerald Publishing

Published: Jun 12, 2019

Keywords: Quality; Microbiological analyzes; Natural gums; Physical-chemical analyzes

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