期刊
DRYING TECHNOLOGY
卷 25, 期 1-3, 页码 357-365出版社
TAYLOR & FRANCIS INC
DOI: 10.1080/07373930601120126
关键词
Alphonso mango; foaming agents; foam mat drying; foam thickness; mango powder; mango pulps; whipping
The foam mat drying of Alphonso mango pulp using various food foaming agents, namely soy protein (0.25, 0.5, 1.0, and 1.5%) with methyl cellulose (0.5%), glycerol mono stearate (0.5, 1.0, 2.0 and 3.0%), and egg albumen (2'.5, 5.0, 10 and 15%) with methyl cellulose (0.5%), was studied. Drying was carried out in a batch type thin layer dryer at four drying temperatures (60, 65, 70, and 75 degrees C) on 1-, 2-, or 3-mm thickness foamed samples. The optimum concentrations of each foaming agent were determined to be 1 % so.), protein, TV,) glycerol mono stearate, and 10% egg albumen. All were obtained after 25 min whipping time. The drying time was lower for foamed mango pulps as compared to non-foamed pulp at all drying temperatures. Biochemical analysis showed that the foam mat dried powder at 60 degrees C retained a significantly higher (P < 0.05) content of biochemical compounds than at higher temperatures. The treatment of mango pulp with 10% egg albumen and 0.5% methyl cellulose and drying at 60 degrees C (1-mm foam thickness), retained the highest nutritional quality characteristics than the other treatments.
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