Sweroside/獐牙菜苷
Sweroside, a natural product isolated and purified from the herbs of Swertia bimaculata with strong hepatoprotective, anti-osteoporotic, insulin-mimicking, and wound-healing effects, can inhibit potent melanogenesis in melan-a cells at 300uM without cytotoxicity, also decreases tyrosinase, tyrosinase-related protein-1 (TRP-1) and TRP-2 protein production in melan a cells.