Abstract：
:Oxidative deterioration is one of the most important factors limiting shelf-life of fatty food products, where the use of active packaging produced with natural antioxidants is a strategy to minimize these reactions. Poly(acid lactic) (PLA) films were produced with carotenoids extracts rich in beta-carotene, lycopene, and bixin. The kinetics of carotenoids' release to a fat simulant was evaluated and successfully explained by a new mathematical release model which considered the degradation of the migrants after their release. In the presence of light, films with lycopene and beta-carotene protected sunflower oil mainly by their light barrier properties, and secondly by their barrier to oxygen and antioxidant gradual releasing. The films produced with bixin presented the best performance as antioxidant active packaging to sunflower oil, where differences found in films barrier properties and in the transfer coefficients among the carotenoids were influenced by their molecular structures.
journal_name
Food Chemjournal_title
Food chemistryauthors
Stoll L,Rech R,Flôres SH,Nachtigall SMB,de Oliveira Rios Adoi
10.1016/j.foodchem.2018.12.100subject
Has Abstractpub_date
2019-05-30 00:00:00pages
213-221eissn
0308-8146issn
1873-7072pii
S0308-8146(19)30009-3journal_volume
281pub_type
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