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DRYING BEHAVIOR OF HONEY-STARCH MIXTURES

1987-07-01
Yener, Meryem Esra
UNGAN, S
OZILGEN, M
Drying behavior of honey‐starch mixtures at constant external conditions were studied. Mixtures with 0, 10, 20, 30, and 40% starch and the balance in honey were coated on aluminum plates at 0.25 mm thickness and dried in a laboratory oven at 60°, 70°, and 80°C. A mass transfer model with two falling rate periods was developed. In the first falling rate period, mass transfer coefficient was a linear function of moisture content. It was a constant in the second falling rate period. Mass transfer coefficients were also found to be affected by temperature and the starch content of each mixture.