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American Journal of Food Technology
Year: 2017  |  Volume: 12  |  Issue: 2  |  Page No.: 96 - 105

Treatment of Jojoba and Jatropha Seeds Hulls Wastes and Production of New Value Added Products

Suzanne M. Wagdy, F.S. Taha and Salma S. Omar    

Abstract: Objective: The objectives of this study were to investigate (1) The possibility of turning waste products into valuable nutraceuticals, (2) Also substituting synthetic pharmaceuticals with neutraceuticals of advisable plant origin and (3) Adding new value with low cost to the main agro-industrial wastes. Methodology: The dried ground jojoba and jatropha hulls were extracted with different solvents at different concentrations. The dried pulverized hulls were first extracted in an ultrasonic water bath then soaked overnight, the extracts were tested for their content of phenolic compounds, flavonoid and triterpene saponins and the extracts were examined for antioxidant activity. For each extract three series of antioxidant activity methods were applied; 2, 2-diphenyl-2-picrylhydrazyl (DPPH) radical scavenging, hydrogen peroxide (H2O2) scavenging activity and total reducing-capability. Results: The water and ethanol (50-70%) concentrations is the best solvents to extracts phytochemical compounds with strong antioxidant activity. Conclusion: A simple easy method to extract phenolic, flavonoid and saponin compounds from jojoba and jatrova hulls has been developed. The method uses less solvent and requires less energy. The process used results in a bioactive extract to be used in the pharmaceutical industry and leaves the remaining material after extraction suitable for other industries.

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