Compound

Retention time (min)

Regression equation

Correlation coefficient (R)

Linear range
 (μg mL−1)

Detection limit
 (μg mL−1)

Ascorbic acid

3.60

y = 10151x + 1978

0.9998

30- 90

1.42

Gallic acid

10.77

y = 68180x + 7550.6

0.9997

35- 15

1.56
Table 1: Validation data from calibration curves of ascorbic and gallic acid in Phyllanthus emblica fruit extract.
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