science-softCon uv/vis+ photochemistry database; www.photochemistry.org; (C) science-softCon 2021 Substance: 3-hydroxyurolithin Other Names: urolithin B Formula: C13H8O3 CAS-No.: 1139-83-9 PubChem: CID 5380406 Study: UV absorption spectrum Authors: R. Gonzalez-Barrio, P. Truchado, H. Ito, J.C. Espin, F.A. Tomas-Baberan Title: UV and MS Identification of Urolithins and Nasutins, the Bioavailable Metabolites of Ellagitannins and Ellagic Acid in Different Mammals Journal/Source: J. Agric. Food Chem., 59, 4, 1152-1162, (2011); https://doi.org/10.1021/jf103894m Data: table, diagram Energy/Wavelength range: 200 - 400 nm Resolution: Temperature: 298 K Temperature dependence: no Pressure/Concentration: Phase: solution (methanol) pH: Comments: The UV spectra of urolithins and ellagic acid derivatives in methanol exhibit two major absorption peaks in the region of 240-400 nm.