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Fruit Juices: Ellagic Acid Concentration and Sensory Appeal

Kamau, Caroline M.
http://rave.ohiolink.edu/etdc/view?acc_num=bgsu1182707084

Abstract Details

2007, Master of Family and Consumer Sciences (MFCS), Bowling Green State University, Family and Consumer Sciences/food and Nutrition.
Dietary polyphenols such as ellagic acid (EA) are associated with decreased oxidative-stress related diseases. This study determined the concentration of EA in selected fruit juices and their blends. A sensory evaluation was conducted to determine the preferences, and overall acceptance of the juice blends by the panelists, based on color, mouthfeel, and sweetness. The juices were hydrolyzed and analyzed for EA concentration using HPLC-UV. Pomegranate juice had the highest concentration of EA (103 mg/L), while other juices ranged from 1 mg/L to 2 mg/L. Pomegranate-cranberry mixture had the highest EA concentration at 97 mg/L. Purple grape juice was in all the blends that ranked high in preferences and rated highest in the overall acceptance. Pomegranate juice was in all blends that ranked low in preferences and also lowest in overall acceptance. The results suggest that juices ranking high in color, sweetness and mouthfeel did not have high concentrations of EA.
Julian Williford, Jr. (Advisor)
89 p.
Apple juice; Cranberry juice; Ellagic acid; Ellagitannins; Overall acceptance; Pomegranate juice; Preference; Purple grape; ;

Recommended Citations

Citations

  • Kamau, C. M. (2007). Fruit Juices: Ellagic Acid Concentration and Sensory Appeal [Master's thesis, Bowling Green State University]. OhioLINK Electronic Theses and Dissertations Center. http://rave.ohiolink.edu/etdc/view?acc_num=bgsu1182707084

    APA Style (7th edition)

  • Kamau, Caroline. Fruit Juices: Ellagic Acid Concentration and Sensory Appeal. 2007. Bowling Green State University, Master's thesis. OhioLINK Electronic Theses and Dissertations Center, http://rave.ohiolink.edu/etdc/view?acc_num=bgsu1182707084.

    MLA Style (8th edition)

  • Kamau, Caroline. "Fruit Juices: Ellagic Acid Concentration and Sensory Appeal." Master's thesis, Bowling Green State University, 2007. http://rave.ohiolink.edu/etdc/view?acc_num=bgsu1182707084

    Chicago Manual of Style (17th edition)

bgsu1182707084
6,222
© 2007, all rights reserved.
This open access ETD is published by Bowling Green State University and OhioLINK.