title: Antioxidant Activities of Functional Beverage Concentrates Containing Herbal Medicine Extracts.
abstract: This study investigated the antioxidant activity of functional beverage concentrates containing herbal medicine extracts (FBCH) using various antioxidant assays, such as 1,1-diphenyl-2-picrylhydrazyl (DPPH) radical scavenging activity, 2,2'-azino-bis(3-ethylbenzothiazoline-6-sulfonic acid (ABTS) radical scavenging activity, and reducing power assay. The total polyphenolic content of FBCH (81.45 mg/100 g) was higher than Ssanghwa tea (SHT, 37.56 mg/100 g). The antioxidant activities of FBCH showed 52.92% DPPH and 55.18% ABTS radical scavenging activities at 100 mg/mL, respectively. FBCH showed significantly higher antioxidant activities compared to the SHT (DPPH, 23.43%; ABTS, 22.21%; reducing power optical density; 0.23,P<0.05). In addition, intracellular reactive oxygen species generation significantly decreased in a concentration-dependent manner following FBCH treatment. These results suggest that the addition of herbal medicine extract contributes to the improved functionality of beverage concentrates.
authors.affiliation: Department of Food and Nutrition, College of BioNano Technology, Gachon University, Gyeonggi 13120, Korea.
authors.forename: Seon-Joo
authors.initials: SJ
authors.lastname: Park
authors.affiliation: Department of Genetic Engineering, College of Biotechnology and Bioengineering, Sungkyunkwan University, Gyeonggi 16419, Korea.
authors.forename: Mi-Ok
authors.initials: MO
authors.lastname: Kim
authors.affiliation: Department of Food Technology and Services, College of Health Industry, Eulji University, Gyeonggi 13135, Korea.
authors.forename: Jung Hoan
authors.initials: JH
authors.lastname: Kim
authors.affiliation: Department of Food and Nutrition, College of BioNano Technology, Gachon University, Gyeonggi 13120, Korea.
authors.forename: Sehyun
authors.initials: S
authors.lastname: Jeong
authors.affiliation: Department of Physical Therapy, College of Health Science, Eulji University, Gyeonggi 13135, Korea.
authors.forename: Min Hee
authors.initials: MH
authors.lastname: Kim
authors.affiliation: Department of Food and Nutrition, College of Natural Sciences, Seoul Women's University, Seoul 01797, Korea.
authors.forename: Su-Jin
authors.initials: SJ
authors.lastname: Yang
authors.affiliation: Department of Genetic Engineering, College of Biotechnology and Bioengineering, Sungkyunkwan University, Gyeonggi 16419, Korea.
authors.forename: Jongsung
authors.initials: J
authors.lastname: Lee
authors.affiliation: Department of Food and Nutrition, College of BioNano Technology, Gachon University, Gyeonggi 13120, Korea.
authors.forename: Hae-Jeung
authors.initials: HJ
authors.lastname: Lee
keywords: antioxidant activity; free-radical scavenging; functional beverage; herbal medicine extract; polyphenol