Irigenin – an isoflavone: a brief study on structural and optical propertiesSoubiya M. Buch, Feroz A. Mir, Shakeel ul Rehman, Mushtaq A. Qurishi and Javid A. BandayEur. Phys. J. Appl. Phys., 62 3 (2013) 31201DOI: https://doi.org/10.1051/epjap/2013130052