International Journal of Processing and Post harvest Technology

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Studies on Ready to Serve (RTS) Beverage from Dragon Fruit


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1 Shriram College of Agricultural Engineering, Paniv, Solapur (M.S.), India
     

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The present study attempted to develop a RTS beverage using dragon fruit. Preliminary investigations were carried out based on the standards specified for RTS fruit drinks to develop a suitable recipe. RTS beverages were prepared containing four levels of dragon fruit juice (8%, 10%, 12% and 14%), citric acid (0.2%, 0.3%, 0.4% and 0.5%) with 12 per cent sugar and 0.01 per cent potassium Meta bisulphite. Sensory evaluation was conducted using 25 untrained panelists to determine the best juice concentration to develop the RTS. Proportion with 12 per cent dragon fruit juice and 0.4 per cent citric acid was selected as the best level for the development of dragon fruit ready to serve beverage. Storage study for analysis of acidity, TSS, ascorbic acid and pH from 0 to 50 days was investigated for the prepared beverage at a regular interval of ten days. A slight increase in acidity and TSS and decrease in pH and ascorbic acid in samples stored at room temperature was observed.

Keywords

Dragon Fruit, RTS, TSS, Acidity, pH, Room Temperature.
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  • Studies on Ready to Serve (RTS) Beverage from Dragon Fruit

Abstract Views: 361  |  PDF Views: 0

Authors

Virendra Foke
Shriram College of Agricultural Engineering, Paniv, Solapur (M.S.), India
Amit Zambare
Shriram College of Agricultural Engineering, Paniv, Solapur (M.S.), India
Dipak M. Gaikwad
Shriram College of Agricultural Engineering, Paniv, Solapur (M.S.), India
Nikhil Alhat
Shriram College of Agricultural Engineering, Paniv, Solapur (M.S.), India

Abstract


The present study attempted to develop a RTS beverage using dragon fruit. Preliminary investigations were carried out based on the standards specified for RTS fruit drinks to develop a suitable recipe. RTS beverages were prepared containing four levels of dragon fruit juice (8%, 10%, 12% and 14%), citric acid (0.2%, 0.3%, 0.4% and 0.5%) with 12 per cent sugar and 0.01 per cent potassium Meta bisulphite. Sensory evaluation was conducted using 25 untrained panelists to determine the best juice concentration to develop the RTS. Proportion with 12 per cent dragon fruit juice and 0.4 per cent citric acid was selected as the best level for the development of dragon fruit ready to serve beverage. Storage study for analysis of acidity, TSS, ascorbic acid and pH from 0 to 50 days was investigated for the prepared beverage at a regular interval of ten days. A slight increase in acidity and TSS and decrease in pH and ascorbic acid in samples stored at room temperature was observed.

Keywords


Dragon Fruit, RTS, TSS, Acidity, pH, Room Temperature.

References