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Journal of Food Science and Technology 2016-Aug

Synthesis of biodegradable films with antioxidant properties based on cassava starch containing bixin nanocapsules.

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Il collegamento viene salvato negli appunti
Carlos Henrique Pagno
Yuri Buratto de Farias
Tania Maria Haas Costa
Alessandro de Oliveira Rios
Simone Hickmann Flôres

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Astratto

Biodegradable and active packaging based on cassava starch incorporated bixin nanocapsules with different concentrations were developed. The physical, mechanical, barrier properties and antioxidant activity of the active packaging were studieds. The films incorporated with bixin nanocapsules were found to be homogeneous and thermally stable. Films with higher concentrations of bixin nanocapsules exhibited a significant decrease in tensile strength, water solubility and increase in elongation at break and water vapour permeability, well as, significant improvement in protection against UV and visible light. The films were used to pack sunflower oil under accelerated oxidation conditions (65 % RH/35 °C). Sunflower oil packaged in films with bixin exhibited lower oxidation rates, thus maintaining its freshness according to Codex Alimentarius guidelines (<10 mEq kg-1). Films containing bixin nanocapsules are very promising materials for use as packaging with antioxidant properties for maintaining food safety and extending the shelf life.

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