Antioxidant and Anti-Inflammatory Effects of Selected Natural Compounds Contained in a Dietary Supplement on Two Human Immortalized Keratinocyte Lines

Table 1

Compound concentrations reported to inhibit oxidative stress or inflammation or to exert other beneficial effects* in keratinocytes or other cultured cells.

Compounds	Concentration ranges	Cultured cells	Reference
Coenzyme Q10 (CQ10)	0.5–10 μM	Keratinocytes fibroblasts	[19, 20]
Krill oil (KO)	2.5–20.0 μg/mL	Colon cancer cells	[21, 22]**
Lipoic acid (LA)	0.01–1 mM	Keratinocytes, neurons, muscle cells, and bronchial epithelial cells	[23–26]
Resveratrol (Resv)	0.5–100 μM	Keratinocytes	[27–30]
Na-selenite (Se)	0.1–1 μM	Keratinocytes	[31–33]
α-Tocopherol (α-T)	10–580 μM	Keratinocytes	[34–38]

*Antiproliferative effects.
**This reference regards other kinds of marine oil (algal oil or fish oil).