. 2018 Jan 31;13(5):415–424. doi: 10.1016/j.ajps.2018.01.005

Table 4.

DPPH antioxidant activities of the formulated gel containing 3% w/w TC06 extract and gel containing 1% w/w ascorbic acid after stability test.

Stability conditions	DPPH SC₅₀ (mg/ml)
	Formulated gel containing 3% (w/w) of TC06 extract	Control gel containing 1% (w/w) of ascorbic acid
Freshly prepared	2.63 ± 0.20^a	12.13 ± 0.81^a
Six cycles of temperature cycling test	2.94 ± 0.28^a	145.96 ± 0.12^d
At 25 °C with 75% RH	2.91 ± 0.25^a	223.42 ± 0.72^c
At 4 °C with 75% RH	2.65 ± 0.26^a	52.46 ± 0.06^b
At 45 °C with 75% RH	2.96 ± 0.47^a	513.20 ± 0.09^e

*SC₅₀: Concentration that produces 50% scavenging of the DPPH.

Each value is represented as mean ± SD (n = 3).

^a-eValues in the same column followed by different letters are significantly different (P < 0.05).