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KMID : 1134820200490111184
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Journal of the Korean Society of Food Science and Nutrition
2020 Volume.49 No. 11 p.1184 ~ p.1193
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Antioxidant Activity and Anti-Adipogenic Effects of Acai Berry (Euterpe oleracea Mart.) Juice and Extracts
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Gu Yul-Ri
Hong Joo-Heon
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Abstract
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This study evaluated the antioxidant and anti-obesity activities of acai berry juice and extracts. The total polyphenol, total flavonoid, and total sugar contents of AHE (hot-water extract of acai berry) were 35.04 g/100 g, 26.13 g/100 g, and 36.82 g/100 g, respectively. The total anthocyanin content of AEE (70% ethanol extract of acai berry) was 141.73 mg/L. The DPPH, ABTS radical scavenging activity, and FRAP activity of AHE at 1,000 μg/mL were 59.40%, 83.10%, and 2.03 mM, respectively. The α-amylase, α-glucosidase, and lipase inhibitory activity of AHE at 1,000 μg/mL were 84.03%, 92.10%, and 31.85%, respectively. AHE had better regeneration effects against oxidative stress in L-132 cells than the other extracts. Furthermore, AHE suppressed adipocyte differentiation, lipid accumulation, and the free glycerol content, and triggered lipolysis on MDI treated 3T3-L1 preadipocytes. Thus, in addition to AHE and AEE, AJ also has antioxidant activity and inhibits adipocyte in 3T3-L1 cells, resulting in reduced lipid accumulation, reduced free glycerol release, and increased glucose uptake.
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KEYWORD
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acai berry, antioxidant, anti-adipogenic, juice, extracts
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