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C. Rohini P. S. Geeth R. Vijayalakshmi E. Pasupathi

Abstract

Fruit spread is prepared by combining sugar with processed fruit juice, concentrated fruit juice, or whole fruit. Pumpkin (Curcurbita maxima) seeds are commonly seen as industrial waste and discarded. Pumpkin seed was roasted and made into powder form.  β-carotene rich fruits such as mango, papaya, and muskmelon were used to extract the pulp. To obtain a desired consistency of fruit spread, the fruit pulp (25%) was blended with roasted seed powder (70%) Fruits were scattered at 5° to 10° Brix and sugar was added. To extend the shelf life and improve the quality of the spreads, they were pasteurised at 60°C for 30 minutes. The spreads were packaged in two different types of packaging material food grade glass containers and polypropylene containers. They were kept in refrigerated conditions at 4°C for further analysis. After organoleptic evaluation, the fruits spreads were analysed for nutritional content, textural properties and microbial content. Pumpkin seed based fruit spreads have 15.23 to 15.64% moisture, 6.7 to 7.18 %  protein, 4.53  to 4.89% fat, 5.29 to 5.69% fiber and 15.36  to 28.67% carbohydrates. The pumpkin seed based fruit spreads had 15.41 to 23.04°Brix of total soluble solids. The fruit spreads had 85.82 to 764.54 g hardness, -88.54 to-205.45 g adhesiveness, 0.87 to 0.95 springiness,0.48 to 0.74 cohesiveness, 64.78 to 344.06 gumminess and 61.53 to 311.64 chewiness. The pumpkin seed based fruits spread had viscosities of 2.21 to 3.58 centipoises. The mango based fruit spreads had the highest score values among the fruit spreads. The fruit spread encompassed enormous bioactive compounds when compared to other fruit spreads available on the market.

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Keywords

Nutritional values, Pumpkin seeds, Spreads, Textural properties

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How to Cite
Rohini, C., Geeth, P. S., Vijayalakshmi, R., & Pasupathi, E. (2022). Nutritional and rheological properties of pumpkin seed based fruits spread. Journal of Applied and Natural Science, 14(SI), 155–160. https://doi.org/10.31018/jans.v14iSI.3602
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