Abstract
Eight Popular Low Grade Rice Varieties (PLRVs) MTU 3626, MTU 1001, MTU 1010, MTU 4870 and NLR 145, NLR 34242, NLR 30491, NLR 34449, (developed and released by ANGR agricultural University, Andhra Pradesh) having poor cooking quality were selected for the study. ANGRAU variety BPT 5204 popularly consumed as staple rice was used as check. Eight products of traditional/commercial importance were standardized incorporating PLRVs as a major ingredient in the form of rice flour (burfi, noodles and extruded snack product and vennaundalu (butter coated balls), palathalikalu (dough rolled into strips, steamed/cooked in milk); rice semolina (instant kheer mix and instant upma mix), and flaked rice (nutritious bar). The products were evaluated for nutritional, cooking quality characteristics, consumer acceptability and shelf-life. Consumer acceptability of the PLR products was carried out with 60 farm women based on 9 point hedonic scale. Shelf-life of the products (packed in both metalized PP and PE pouches) was evaluated monthly for chemical, microbiological and sensory parameters. Energy values of control and PLR products showed no significant difference. Upon cooking, PLR Noodles showed no significant difference with water absorption and volume but more (p < 0.05) solid loss and cooked weight. Utilization of PLR flakes in nutritious bar resulted in highly crispy and crunchy texture, enhanced flavor and taste as compared to control. The percent total solids and suspended solids were more (though not significant) in PLR kheer and palathalikalu. Extruded product (control and PLR) showed no significant difference with length, diameter, weight and volume expansion ratio and water absorption index (WAI). Consumer acceptability was high for PLR products palathalikalu (95%), instant kheer mix (92%) and extruded product (88%). As per sensory scores, all the PLR products were well accepted with no observable changes in flavor or taste upon storage. PLR products showed increased (P < 0.05) trend for moisture and FFA content from initial to 90 days of storage. The lowest TPC was observed for noodles and highest for burfi (though in safe limits). Extruded snacks (control and PLR) showed no microbial growth during the entire storage period. Considering the poor marketability of PLRVs for consumption as staple rice, the study signifies the utilitarian value of PLRVs in making products of convenience/commercial importance.
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Anitha, G., Rajyalakshmi, P. Value added products with popular low grade rice varieties of Andhra Pradesh. J Food Sci Technol 51, 3702–3711 (2014). https://doi.org/10.1007/s13197-012-0665-4
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DOI: https://doi.org/10.1007/s13197-012-0665-4