Antiphotoaging Potential of Extracts of Yin-Tonic Herbal Medicine in Skin Cell and Human Skin Equivalent

Table 2

Effect on cell viability (%) of eight yin-tonic herbal medicines on HaCaT keratinocytes.

Concentration (μg/ml)	Cell viability (%)
	AT	LP	RG	SB
0	100.00 ± 2.38	100.00 ± 2.38	100 ± 2.38	100 ± 2.38
7.8	110.51 ± 3.49	111.86 ± 2.69	113.95 ± 2.91	117.61 ± 3.34
15.6	112.16 ± 3.02	116.22 ± 6.28	120.92 ± 0.42	119.01 ± 1.98
31.3	110.29 ± 3.91	118.53 ± 2.30	117.83 ± 3.86	118.48 ± 0.91
62.5	114.08 ± 7.85	118.53 ± 5.14	122.84 ± 2.45	128.20 ± 4.06
125	115.48 ± 0.94	115.95 ± 3.93	121.80 ± 1.87	133.52 ± 2.06
250	117.44 ± 4.50	119.22 ± 2.60	119.18 ± 4.26	128.77 ± 3.21
500	139.71 ± 0.79	128.03 ± 2.80	129.90 ± 5.07	118.26 ± 4.52
Concentration (μg/ml)	Cell viability (%)
	DB	MA	EP	CD
0	100.00 ± 1.23	100.00 ± 1.23	100 ± 1.23	100 ± 1.23
7.8	128.90 ± 4.94	138.88 ± 4.62	139.61 ± 7.28	113.01 ± 9.72
15.6	138.98 ± 2.70	158.46 ± 0.60	166.22 ± 5.57	159.51 ± 5.72
31.3	142.46 ± 4.20	167.64 ± 2.57	176.46 ± 5.20	155.24 ± 14.0
62.5	134.55 ± 8.47	172.39 ± 8.60	182.21 ± 7.40	152.44 ± 5.31
125	145.63 ± 2.40	187.54 ± 10.70	199.21 ± 7.66	163.90 ± 3.16
250	156.82 ± 7.48	192.50 ± 6.55	229.03 ± 3.11	173.24 ± 1.61
500	182.74 ± 4.69	190.18 ± 4.02	265.24 ± 7.85	171.76 ± 5.36

The data shown represent mean ± S.D. of three independent experiments. ,, vs. untreated group.