Rosmarinic Acid-Rich Extracts of Summer Savory (Satureja hortensis L.) Protect Jurkat T Cells against Oxidative Stress

Table 5

Effects of ethanolic S. hortensis extract and of the partially purified rosmarinic-acid fraction on the incidence of apoptosis in Jurkat cells in the presence of hydrogen peroxide.

	Cell counts		K ratio*
	Healthy	Apoptotic
No additives (control)	212	8	26.5
H2O2 25 𝜇M	268	3519	0.08
H2O2 25 𝜇M + S. hortensis (ethanolic extract)	2090	539	3.9
H2O2 25 𝜇M + rosmarinic acid fraction	1211	108	11.2

^∗𝐾-ratio of healthy to apoptotic Jurkat cells.