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Table 3 IC50 value (mg/mL) of antioxidant activity of sweet potato extract

From: Plant-growth regulators alter phytochemical constituents and pharmaceutical quality in Sweet potato (Ipomoea batatas L.)

 

DPPH asssay

β-carotene bleaching assay

Control

4.2 ± 0.11a

4.5 ± 0.25a

MeJA

2.4 ± 0.20d

2.9 ± 0.15d

SA

3.0 ± 0.27c

3.3 ± 0.21c

ABA

3.4 ± 0.25b

3.7 ± 0.22b

α-tocopherol

1.1 ± 0.18e

1.3 ± 0.12e

  1. Data are means of triplicate measurements ± standard deviation. Means not sharing a common single letter in each column for each measurement were significantly different at P < 0.05