MECHANICAL JUICE EXTRACTION STUDIES OF BANANA PSEUDO-STEM CORE AND VALUE ADDITION OF EXTRACTED JUICE
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Date
2018-08-01
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University of Agricultural Sciences, Bangalore
Abstract
Banana pseudo-stem core (BPSC) juice was extracted from banana plant (Elakki variety) using commercially available machines like Sugarcane crusher (SC), Aloe vera gel extractor (AJE) and Pneumatic press (PP). Among these three machines, juice extraction efficiency and juice yield respectively were found highest for PP (73.27±1.66% & 60.58±1.38%) followed by AJE (65.53±2.16% & 54.18±1.79%) and SC (15.26±2.19% & 12.61±1.81%). The total soluble solids ‘TSS’ (2.42±0.15 °B) and L* value (68.57±4.21) of BPSC juice extracted using PP was found maximum as compare to AJE and SC. However, juice extraction capacity was found maximum for SC (26.66±3.55kg/h) followed by PP (22.71±4.04kg/h) and AJE (7.81±1.53kg/h). The BPSC juice extracted using PP was used to prepare RTS beverage with different blends like T1 (BPSC juice as control), T2 ( 50% BPSC juice + 10% sugar + 0.1% citric acid), T3 (50% BPSC juice + 1.2% salt + 0.05% citric acid), T4 (50% BPSC juice + 20% horse gram extract + 1% salt), T5 (50% BPSC juice + 20% horse gram extract + 1% salt + 0.05 % citric acid), T6 (50% BPSC juice + 10% pineapple juice + 6% sugar) and T7 (50% BPSC juice + 10% pineapple juice + 6% sugar + 0.05% citric acid) and subjected to sensory evaluation. The score of overall acceptability was found ≥ 7 for 4 blends viz., T2 (7.76), T3 (7.01), T6 (8.16) and T7 (8.29). Thus, these four blends were found suitable for preparation of BPSC juice based RTS-beverage and could be suggested for commercialization.