Abstract
Coconut water obtained from the mature coconuts was blended with lemon juice to develop a refreshing beverage. The levels of total soluble solids (°Brix) in the coconut beverage and lemon juice (%), were optimized using response surface methodology and considering pH, CIE L* value and sensory attributes (colour, aroma, taste, consistency and overall acceptability) as responses. A number total of 14 experiments were carried out following Central Composite Rotatable Design (CCRD) keeping 6 experiments at centre point. The data obtained were analyzed using multiple regression technique and the quadratic equations (R2, 98.14–99.89 %) were found to fit well in describing the effect of variables on responses studied. An optimum condition for the coconut water beverage was obtained at 13.5°Brix blended with 2 % lemon juice. The mature coconut water beverage blended with lemon juice showed a shelf-life of 6 months in packed conditions at low (5 °C), ambient (25 ± 2 °C) and high (37 °C) temperatures on the basis of physicochemical, microbiological and sensory attributes.
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The financial assistance provided by National Agricultural Innovation Project (NAIP), New Delhi is duly acknowledged.
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Chauhan, O.P., Archana, B.S., Singh, A. et al. A refreshing beverage from mature coconut water blended with lemon juice. J Food Sci Technol 51, 3355–3361 (2014). https://doi.org/10.1007/s13197-012-0825-6
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DOI: https://doi.org/10.1007/s13197-012-0825-6