Abstract
Ready-to-Serve (RTS) is a type of fruit beverage containing at least fruit juice (10%), total soluble solids (10%) and acidity (0.3%). the aonla (Emblica officinalis Gaertn) is a very hardy, drought resistant fruit tree and prolific bearer fruit of India, Sri Lanka, Malaysia and South China with great medicinal and nutritional importance. the fruits are richest source of vitamin c being 200 to 1814mg/100g. the experiment was conducted from February to June at ambient condition. the experiment comprised of six levels of recipe, three blending ratio, in this experiment 9 treatments have ginger juice (2%) and 9 treatment without ginger juice {aonla: lime (25: 75, 50: 50 and 75: 25), aonla: orange (25: 75, 50: 50 and 75: 25), aonla: pomegranate (25: 75, 50: 50 and 75: 25), aonla: lime: ginger (25: 73: 2, 50: 48: 2 and 75: 23: 2), aonla: orange: ginger (25: 73: 2, 50: 48: 2 and 75: 23: 2), aonla: pomegranate: ginger (25: 73: 2, 50: 48: 2 and 75: 23: 2) and one control (100% aonla juice)+ acidity (0.3%)+tSS (10%)}, thus total 19 treatment combination were laid out under crd. the prepared aonla based blended rtS beverages were kept in glass bottles (200 ml) and stored in dried palace at ambient condition (20–32°c) for further study. the observations on different physic-chemical parameters were recorded at 15days interval upto 120th days. Among various treatments tried in this investigation, the aonla based blended rtS beverage t16 treatment T17 aonla: pomegranate: ginger (25: 73: 2) and aonla: pomegranate: ginger (50: 48: 2) were statistically at par with each other and found best on the basis of or ganoleptic quality (taste, flavour and overall acceptance) after 120th days of storage. the tSS, total sugars, reducing sugars and non-enzymatic browning showed increasing trend while, the acidity, ascorbic acid, pH and phenols showed decreasing trend under ambient condition. However, maximum retention of ascorbic acid was recorded in T17 (44.50mg/100ml) treatment and minimum acidity in t18 (0.34%) followed by t17 (0.39%) treatment. the relative economics of treatment t17 gave the highest net return (rs 36.95/lit) rtS as compared to other treatments.
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