14. A study on development of new juice product comprising pears and melon

Abstract

The study was carried out in order to achieve appropriate formulation for the development of chilled fruits juice by considering safety issues, regulation, technological aspect, costing and shelf-life investigation as well. A series of trials were conducted before achieving the final formulation of the product and amendments were carried out by reviewing the weakness and strength of the product. The study was conducted in the London South Bank University, UK. The shelf life of the product was investigated through storage trial technique after pasteurization (at72ºC) in terms of pH, color, soluble solid, sediment, taste, vitamin C  and microbiological analysis for TVC (Total Viable Count) and Moulds and Yeasts count. Shelf-life investigation was carried out after 5th, 9th and 12 days. Recommended product shelf life is 10 (P+9) days without adding any preservatives and antioxidants. New juice product  contains 70% Asian pear (Pyrus pyrifolia) juice, 20% Conference pear (Pyrus communis) juice, 8% melon (Cucumis melo) juice and 2% lime juice. 100ml of juice provides 38 kcal energy, 9g of sugar, 9g carbohydrate, 5mg sodium, 11mg calcium and 2.71mg vitamin C. Over 90% energy of this juice comes from carbohydrates. The main ingredient of this product is Asian pears and 100gm fruit contain 2.1g of dietary fibre, 5 mg of vitamin C (Nutricalc).The microbial load (TVC for bacteria- 145 and TVC for moulds and yeasts- 40 cfus /100 ml juice) of this juice is highly acceptable according to IFST 1999 guideline and this product is safe for
consumption with nice taste and flavor.