Fig. 6

Mass spectra from HPLC-MS during BPA degradation by Pseudomonas putida YC-AE1 and detected intermediate compounds, BPA (a), 4,4-Dihydroxy-alpha-methylstilbene, 1,2-bis (4-hydroxyphenyl)-2-propanol and 2,2-bis(4-hydroxyphenyl)-1-propanol (b), 2,2-bis (4-hydroxyphenyl) propanoate, p-HBAL, p-HAP and HPA (c)