Table 2.

The antioxidant sensor response towards 10 ppm of gallic acid (n=6).

Sample	RGB	ΔRGB
Blank	43.62	–
1	71.724	28.104
2	70.814	27.194
3	71.237	27.617
4	71.603	27.983
5	71.712	28.092
6	71.301	27.681
Mean		27.779
RSD (%)		1.271