Journal
FOOD AND BIOPROCESS TECHNOLOGY
Volume 8, Issue 7, Pages 1503-1511Publisher
SPRINGER
DOI: 10.1007/s11947-015-1519-7
Keywords
Malus domestica L.; Apple; Drying; Ultrasound; Vitamins
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Funding
- CNPq
- Spanish Ministerio de Economia y Competitividad
- FEDER [DPI2013-37466-C03-03]
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This work has examined the influence of ultrasonic-assisted air-drying on the dehydration of apple (Malus domestica L. var Royal Gala) and its influence in the availability of vitamins A, B-1, B-2, B-3, B-5, B-6, and E of the dried product. This study also has estimated the effective water diffusivity in air-drying process subjected to ultrasonic waves. The water effective diffusivity increased by up to 79 % by ultrasound application, which caused a reduction of about 35 % in the total drying time compared to the air-drying without sonication. The application of ultrasound increased the availability of vitamins B-1, B-2, B-3, and B-6 in the dried product. A loss of vitamins B-5 and E were observed for all studied drying conditions.
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