DEVELOPMENT OF HILL LEMON (Citrus pseudolimon Tan.) BASED IMMUNITY BOOSTING BEVERAGES
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Date
2023-12-23
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UHF,NAUNI
Abstract
The suitability of Hill lemon (Citrus pseudolimon Tan.) fruits, Harad (Terminalia chebula Retz.)
fruits and Giloy (Tinospora cordifolia) stems, evaluated for the preparation of hill lemon based immunity
boosting beverages. The lemon fruits, harad fruits and giloy stems were regarded as rich source of bioactive
substances as they contained a substantial proportion of ascorbic acid ( 38.40 , 9.48 and 3.77 mg/100ml), total
phenols and (73.00 mg/100ml, 201.24 mg/ml and 63.98 mg /100ml ) besides 5.75,6.24 and 2.81 % total sugars
and 3.10,3.90 and 0.91% reducing sugars, respectively. Among two methods of harad juice extraction viz.
cold extraction and hot extraction, the hot extraction for preparation of harad juice consisting of heating of
grinded mass with water in 1: 2 ratio for 2 minutes followed by filtration was optimized to yield about 1.47 %
saponins with good physico-chemical attributes. Galgal juice extracted by peeling fruits and passing through
screw type juice extractor was observed as good source of various nutrients including ascorbic acid. Out of
different recipes, a combination containing 65 per cent hill lemon juice, 22.5 per cent giloy extract and 12.5
per cent harad extract was found most appropriate on the basis of sensory acceptability. However, a proportion
of 13.1 per cent fruit part at a TSS of 13.3oB was optimized for preparation of ready to serve beverage through
response surface methodology. Similarly, 34.80 per cent fruit part at 47.40˚B TSS for preparation of squash
was found best. Although all the products after packing in glass bottles could be stored successfully in ambient
(25-30oC) and refrigerated storage conditions (4-7 ˚C) for four months. However, quality of the products
packed in glass bottle was retained better in refrigerated storage conditions as compared to ambient
temperature conditions. The cost of the products prepared from hill lemon, harad and giloy juices were
comparable to the cost of the control which was prepared from hill lemon. Hence, hill lemon, harad fruits and
giloy stem can successfully be utilized for the production of good quality and nutritionally and medicinally
enriched beverages with remunerative cost on commercial scale.