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Ethyl orsellinate is a lichen metabolite and a derivative of lecanoric acid (Item No. 22710) that has antiproliferative activities.1,2 It inhibits the proliferation of human Hep-2 larynx carcinoma, MCF-7 breast cancer, and 786-0 kidney carcinoma cells, as well as B16-F10 murine melanoma and non-cancerous Vero cells (IC50s = 31.2, 70.3, 47.5, 64.8, and 28.1 µg/ml, respectively).2 Ethyl orsellinate is toxic to brine shrimp (A. salina) with an LC50 value of 495 µM.3
WARNING This product is not for human or veterinary use.
1. Three new phenolic compounds from the lichen Thamnolia vermicularis and their antiproliferative effects in prostate cancer cells. Planta. Med. 77(18), 2042-2046 (2011).
2. In vitro antitumour activity of orsellinates. Z. Naturforsch. C. 65(1-2), 43-48 (2010).
3. Cytotoxic activity of orsellinates. Z. Naturforsch. C. 61(9-10), 653-657 (2006).