Table 8.

Cell protective activities of enantiomers.

Cell/Inducing Agents	Compds.	Cell Viability	Reference
SH-SY5Y/H2O2	(−)-24a	54.7% at 50 μM	[21]
	(+)-24b	70.5% at 50 μM	[21]
	Trolox a	~69.0% at 50 μM	[21]
SH-SY5Y/H2O2	(+)-72a	~69% at 25 μM	[46]
	(−)-72b	inactive at 25 μM	[46]
	Trolox a	~62% at 25 μM	[46]
SH-SY5Y/H2O2	(+)-119a	76.29% at 50 μM	[75]
	(−)-119b	56.48% at 50 μM	[75]
PC12/OKA	(+)-129a	65.4% at 10 μM	[83]
	(−)-129b	83.4% at 10 μM	[83]
	(+)-130a	91.2% at 10 μM	[83]
	(−)-130b	69.5% at 10 μM	[83]
H9C2/ischemia-hypoxia	(−)-165a	~51% at 0.1 μM	[103]
	(+)-165b	inactive	[103]
	(−)-166a	~55% at 0.1 μM	[103]
	(+)-166b	~45% at 0.1 μM	[103]
	(−)-173a	inactive	[103]
	(+)-173b	~52% at 0.1 μM	[103]
	Salvianolic acid B a	~46% at 0.1 μM	[103]
HUVEC/glucose	(+)-423a	102.6% at 1 μM	[200]
	(−)-423b	79.9% at 1 μM	[200]
	(+)-426a	102.6% at 1 μM	[200]
	(−)-426b	79.9% at 1 μM	[200]
Cortical neurons/MPP+	(+)-433a	~90% at 16 μM	[206]
	(−)-433b	inactive	[206]

^a Positive controls.