Table 3.

Antioxidant activity as determined by the H₂DCFDA assay. The percentage of stress reduction by the plant extracts in the different mutants (±standard deviation) and the stress reduction mean over all mutants are shown. *** p < 0.001, ** p < 0.01, and * p < 0.05.

Stress Reduction (%)	N2	AQ866	DA1814	Da2100	DA2109	MT9772	RB665	LX703	VC289	QV225	Stress Reduction Mean (%)
Acanthopanax senticosus	72.4 ± 0.3 ***	74.1 ± 3.1 ***	73.3 ± 0.7 ***	86.1 ± 0.4 ***	66.4 ± 1.4 ***	36.5 ± 0.8 *	82.4 ± 0.5 ***	76.4 ± 2.6 ***	33.4 ± 3.9 **	59.6 ± 3.0 *	66.8 ± 18.0
Campsis grandiflora	72.3 ± 3.2 ***	15.6 ± 18.8 n.s.	48.8 ± 8.0 ***	59.6 ± 6.8 **	58.7 ± 8.3 **	34.1 ± 4.9 ***	43.4 ± 0.9 **	20.2 ± 1.1 **	47.9 ± 3.9 ***	71.1 ± 0.8 ***	47.2 ± 19.4
Centella asiatica	79.0 ± 0.4 **	63.9 ± 2.2 ***	63.0 ± 3.5 ***	2.9 ± 7.7 n.s.	51.0 ± 4.9 ***	67.7 ± 1.0 ***	48.3 ± 3.5 **	51.7 ± 4.2 ***	28.3 ± 2.4 **	78.0 ± 1.3 **	53.4 ± 23.3
Corydalis yanhuso	59.8 ± 4.3 ***	81.5 ± 0.4 ***	62.2 ± 3.6 ***	82.8 ± 0.6 ***	66.3 ± 4.9 ***	26.7 ± 6.3 *	76.4 ± 5.2 **	75.8 ± 1.2 ***	65.2 ± 17.0 **	69.9 ± 1.5 ***	66.7 ± 16.1
Dan Zhi	80.2 ± 2.5 ***	67.6 ± 3.3 **	22.2 ± 11.1 *	79.8 ± 1.4 **	24.2 ± 9.2 *	22.2 ± 6.2 **	35.9 ± 6.2 **	17.0 ± 14.2 n.s.	34.1 ± 12.7 ***	46.6 ± 5.5 **	43.0 ± 24.5
Houttuynia cordata	73.5 ± 4.2 ***	69.4 ± 2.0 ***	70.6 ± 3.0 ***	86.1 ± 4.7 ***	61.2 ± 2.4 ***	23.4 ± 13.2 n.s.	74.3 ± 4.4 ***	85.5 ± 2.0 ***	50.0 ± 7.8 ***	66.9 ± 3.1 ***	66.1 ± 18.4
Psoralea corydalis	45.4 ± 2.0 ***	72.8 ± 4.9 ***	71.9 ± 1.2 ***	58.9 ± 2.4 ***	29.4 ± 45.8 n.s.	40.1 ± 14.1 *	45.7 ± 19.9 *	56.5 ± 3.5 ***	39.0 ± 3.3 ***	78.5 ± 0.9 **	53.8 ± 16.6
Valeriana officinalis	81.4 ± 2.5 ***	48.3 ± 1.8 **	43.2 ± 2.5 ***	64.4 ± 8.2 **	37.1 ± 7.8 **	39. 2± 7.2 **	36.3 ± 2.5 **	10.9 ± 6.2 n.s.	49.9 ± 1.1 ***	70.1 ± 0.6 **	48.1 ± 20.0
Withania somnifera	71.4 ± 7.1 ***	77.6 ± 0.8 ***	72.2 ± 3.9 ***	85.9 ± 1.1 ***	65.6 ± 5.0 ***	27.7 ± 4.6 *	77.1 ± 3.7 ***	77.6 ± 1.3 ***	87.8 ± 9.7 **	70.7 ± 8.9 **	71.4 ± 16.8