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  1. Syamila M, Gedi MA, Briars R, Ayed C, Gray DA
    Food Chem, 2019 Jun 30;284:188-197.
    PMID: 30744845 DOI: 10.1016/j.foodchem.2019.01.055
    The aim of this study was to evaluate the interaction between packaging parameters (transmission of light and oxygen) and storage temperatures (4, 20, 40 °C) on nutrient retention of Spinach (Spinacia oleracea) juice, spray-dried in the absence of an added encapsulant. β-Carotene was more susceptible to degradation compared with lutein and α-tocopherol. Under our experimental conditions, it was observed that excluding low fluorescent light intensity and air by vacuum packaging at 20 °C did not seem to improve nutrient retention loss over time (p > 0.05). The rate of β-carotene, lutein and α-tocopherol loss displayed first order reaction kinetic with low activation energy of 0.665, 2.650 and 13.893 kJ/mol for vacuum, and 1.089, 4.923 and 14.142 kJ/mol for non-vacuum, respectively. The reaction kinetics and half-life for β-carotene, lutein and α-tocopherol at 4 °C and non-vacuumed were 2.2 × 10-2, 1.2 × 10-2, and 0.8 × 10-2 day-1, and 32.08, 58.25 and 85.37 day, respectively.
    Matched MeSH terms: Spinacia oleracea/chemistry
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