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- W2807386721 abstract "The aim of this work was to study the effect of pre-treatments on drying of ‘mortino’, on the drying rate and total content of soluble polyphenols and anthocyanins. It was applied to fresh fruit pre-treatment of immersion bath of aqueous solution of ethyl oleate and potassium carbonate. It was used a 2 2 factorial design with axial points, to evaluate its effect on the drying rate and content of phenolic compounds. It was performed a second pre-treatment with SO 2 , it was used a 2 2 factorial design to study its effect on the content of phenolic compounds. Stability assays were performed with dried fruits stored in a laminated multilayer film and metalized for 2 months under refrigeration (4 °C), freezing (-17 °C) and 25 °C at 90 % RH. It was evaluated the moisture content, color, soluble polyphenols and anthocyanins. It was conducted a sensory analysis of the product. The best conditions to dry ‘mortino’ are 40 oC, airflow of 0.24 m 3 /s, immersion bath concentration of 1.55 % K 2 CO 3 (w/w) - 1.25 % of ethyl oleate (V/V), concentration of SO 2 2 000 ppm and sulfidation 2 h. The product was dried to 5 % moisture in the oven in 40 % less time required to dry without pretreatments. The dried ‘mortino’ retained 98.2 % of anthocyanins and 99.7 % of soluble polyphenols in relation to freeze-dried ‘mortino’. Meanwhile the ‘mortino’ dried by solar dryer hybrid retained 88.5 % of anthocyanins and 99.7 % of soluble polyphenols. The product stored at 18 °C in a multilayer film laminated and metalized, retains 50 % of anthocyanins in relation to its initial content in 4 months and 11 days" @default.
- W2807386721 created "2018-06-13" @default.
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- W2807386721 date "2018-01-31" @default.
- W2807386721 modified "2023-09-23" @default.
- W2807386721 title "Study the effect of pre-treatment of drying ‘mortiño’ (Vaccinium floribundum Kunth) with reference to drying rate and total content of soluble polyphenols and anthocyanins" @default.
- W2807386721 doi "https://doi.org/10.33333/rp.v40i2.625" @default.
- W2807386721 hasPublicationYear "2018" @default.
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