Foam Mat Drying of Alphonso Mango Pulp

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 carr...

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Bibliographic Details
Published in:Drying technology 2007-02, Vol.25 (2), p.357-365
Main Authors: Rajkumar, P., Kailappan, R., Viswanathan, R., Raghavan, G. S. V., Ratti, C.
Format: Article
Language:English
Subjects:
Alphonso mango
Foam mat drying
Foam thickness
Foaming agents
Mango powder
Mango pulps
Whipping
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Summary: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°C) on 1-, 2-, or 3-mm thickness foamed samples. The optimum concentrations of each foaming agent were determined to be 1% soy protein, 2% 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°C retained a significantly higher (P 
ISSN:0737-3937
1532-2300
DOI:10.1080/07373930601120126