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http://dx.doi.org/10.9724/kfcs.2012.28.4.375

Quality Characteristics and Granule Manufacture of Mulberry and Blueberry Fruit Extracts  

Park, Hye-Mi (Department of Food Science and Technology, Catholic University of Daegu)
Yang, Su-Jin (Department of Food Science and Technology, Catholic University of Daegu)
Kang, Eun-Ji (Department of Food Science and Technology, Catholic University of Daegu)
Lee, Dae-Hoon (Soriso Co.)
Kim, Dae-Ik (Oriental Medicine Industry Support Center, Daegu Technopark)
Hong, Joo-Heon (Department of Food Science and Technology, Catholic University of Daegu)
Publication Information
Korean journal of food and cookery science / v.28, no.4, 2012 , pp. 375-382 More about this Journal
Abstract
The quality characteristics of granules prepared from water and 50% ethanol extracts of mulberry and blueberry were investigated. The total polyphenol and total flavonoid contents of mulberry and blueberry were higher in the 50% ethanol extract than those in the water extract. Total anthocyanin content was highest in the 50% mulberry ethanol extract (470.91 mg/100 g). Oxygen radical absorbance capacity (ORAC) of the mulberry and blueberry extracts was 335.37 ${\mu}moles\;TE/g$ and 238.14 ${\mu}moles\;TE/g$, respectively. Superoxide radical scavenging activity of the mulberry and blueberry extracts increased with an increase in extract concentration. Total polyphenol and flavonoid contents of granules from the mulberry extract were 4.83 mg/mL and 3.49 mg/mL, respectively. Total anthocyanin content of granules from the mulberry and blueberry extracts was 76.26 mg/100 g and 75.26 mg/100 g, respectively. Electron donating ability and ORAC of granules from the mulberry and blueberry extracts were 45.09% and 24.10%, 87.65 ${\mu}moles\;TE/g$ and 57.59 ${\mu}moles\;TE/g$, respectively. Granules that were stored for 7 weeks at room temperature had low anthocyanin content degradation and Hunter color values (L, a, and b).
Keywords
mulberry; blueberry; granule; antioxidant; quality characteristics;
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Times Cited By KSCI : 11  (Citation Analysis)
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