Journal of Plant Biotechnology : eISSN 2384-1397 / pISSN 1229-2818

Table. 3.

Table. 3.

Antioxidant capacity of the extract from Dolwoe (Gynostemma pentaphyllum Makino) leaves tea with different ethanol concentrations

SamplesTEAC (mM TE/g)aFRAP (mM FE/g)bORAC (mM TE/g)c
distilled water extract85.79±0.87 d131.78±4.89 e588.36±89.16 b
20% ethanolic extract126.41±2.49 c183.57±4.09 d870.82± 1.22 ab
40% ethanolic extract146.85±7.87 ab288.23±3.36 b1137.80±32.42 a
60% ethanolic extract154.85±2.36 a262.17±2.52 c1137.19±28.70 a
80% ethanolic extract141.11±1.67 b318.62±2.68 a1019.36±40.18 a
99.5% ethanolic extract153.90±1.72 a320.78±1.44 a658.66±168.83 b

Means with different letters (a-e) in the same column are significantly different at p<0.05 (SPSS, Tukey)

TEAC analyzed as trolox equivalent (TE) mM/g of extract; values are the average of triplicates

FRAP analyzed as ferrous sulfate equivalent (FE) mM/g of extract; values are the average of triplicates

ORAC analyzed as trolox equivalent (TE) mM/g of extract; values are the average of triplicates

J Plant Biotechnol 2019;46:37-44 https://doi.org/10.5010/JPB.2019.46.1.037
© 2019 J Plant Biotechnol