Table 1 Compar ison of antioxidant activity and total phenolic contents for CE and AE

Properties1) Sample2) Concentration (mg/mL) 0.1% Ascorbic acid3)
1 2 4 6
Antioxidant activity (%) DPPH CE 7.91±0.054)d5)G6) 11.35±0.50cE 17.50±0.41bC 22.42±0.18aA 59.8±0.30
AE 9.99±0.23dF 13.29±0.09cD 17.41±0.32bC 20.16±0.09aB
ABTS CE 11.68±0.07dF 15.90±0.00cD 21.78±0.14bB 28.58±0.21aA 44.88±0.21
AE 9.74±0.14dG 12.03±0.43cF 14.40±0.36bE 17.69±0.50aC
TPC (mg/g) CE 47.39±0.39
AE 8.88±0.07
DPPH, DPPH radical scavenging ability; ABTS, ABTS radical scavenging ability; TPC, total phenolic contents.
CE, chlorella ethanol extract; AE, A. carterae ethanol extract.
0.1% ascorbic acid, positive control for antioxidant activity.
Values are mean±SD (n=3).
Different small letters in the same row are significantly different by Duncan s multiple test (p<0.05).
Different capital letters in the same activity are significantly different by Duncan s multiple test (p<0.05).