Antioxidant and potential anti-inflammatory activity of extracts and formulations of white tea, rose, and witch hazel on primary human dermal fibroblast cells

Table 1 Summary of results from collagenase, elastase, and antioxidant capacity (TEAC) (N = 6, ± SEM).

Extract	Concentration added	% inhibition of elastase	% inhibition of collagenase	Trolox equivalent (μmoles)
WTEG	1%	10.57 ± 0.45	10.96 ± 4.82	5.78 ± 0.55
WHD	10%	41.00 ± 2.38	No activity	No activity
WT^†	25 μg	89.00 ± 3.62	87.08 ± 4.79	10.62* ± 0.69
RT^†	25 μg	22.08 ± 0.64	40.96 ± 3.9	9.91** ± 0.85
WH^†	25 μg	2.8 ± 0.77	13.70 ± 3.26	13.15** ± 0.48

ISSN: 1476-9255