Edible Films and Coatings Formulated with Arrowroot Starch as a Non-Conventional Starch Source for Plums Packaging

Edible Films and Coatings Formulated with Arrowroot Starch as a Non-Conventional Starch Source for Plums Packaging

Increasing environmental awareness has promoted an interest in alternative strategies to common plastics obtained from fossil sources, stimulating research on the use of biodegradable and edible films/coatings obtained from renewable sources such as arrowroot starch. This research work aimed to eval...

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Bibliographic Details
Published in:Polysaccharides Vol. 2; no. 2; pp. 373 - 386
Main Authors: Nogueira, Gislaine Ferreira, Leme, Bianca de Oliveira, Santos, Gabriela Ragazzi Santana dos, Silva, Juliana Viegas da, Nascimento, Patrícia Barbosa, Soares, Cyntia Trevisan, Fakhouri, Farayde Matta, de Oliveira, Rafael Augustus
Format: Journal Article
Language:English
Published: Basel MDPI AG 01-06-2021
Subjects:
Biodegradability
biopolymers
Coatings
Food
food packaging
Food quality
Fruits
Glycerol
Maranta arundinacea Linn
Moisture content
Permeability
post-harvest technology
Prunus domestica
Respiration
solubility in water
Starch
Vegetables
Water content
Water vapor
Brazil
Japan
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Summary:Increasing environmental awareness has promoted an interest in alternative strategies to common plastics obtained from fossil sources, stimulating research on the use of biodegradable and edible films/coatings obtained from renewable sources such as arrowroot starch. This research work aimed to evaluate the use of arrowroot starch on the formation of edible films and coatings. Increasing the concentration of arrowroot starch (from 1% to 5%, mass/mass) in the film produced by casting resulted in increased water vapor permeability (from 2.20 to 3.68 g mm/m2 day kPa), moisture content (3.22% to 7.95%), increased thickness (from 0.029 to 0.101 mm), and decreased solubility in water (from 22.45% to 13.89%). The films were homogeneous, transparent and manageable, with the exception of the film with 1% starch. Film-forming solutions at concentrations of 0%, 2%, and 4% (mass/mass) of arrowroot starch were prepared and applied to plums to evaluate post-harvest behavior when stored at 25 and 5 °C for 35 days. The 2% coating adhered well to the plums’ surfaces, was bright and was effective in reducing mass loss and respiratory rate, associated with storage temperature of 5 °C. The 4% coating presented an opaque and flocculated appearance.
ISSN:2673-4176
2673-4176
DOI:10.3390/polysaccharides2020024