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Pallidol is a potent and selective singlet oxygen quencher. Pallidol shows antioxidant and antifungal activities[1][2].

ChEBI: Pallidol is a tetracyclic stilbenoid that is a homodimer obtained by cyclodimerisation of resveratrol. It has a role as an antioxidant, an antifungal agent and a plant metabolite. It is a polyphenol, a stilbenoid and a carbopolycyclic compound. It is functionally related to a resveratrol.

[1] He S, et al. Pallidol, a resveratrol dimer from red wine, is a selective singlet oxygen quencher. Biochem Biophys Res Commun. 2009 Feb 6;379(2):283-7. DOI:10.1016/j.bbrc.2008.12.039
[2] Supudompol B, et al. Phloroglucinol derivatives from Mallotus pallidus. Phytochemistry. 2004 Sep;65(18):2589-94. doi: 10.1016/j.phytochem.2004.08.003. Erratum in: Phytochemistry. 2004 Dec;65(24):3291. DOI:10.1016/j.phytochem.2004.08.003