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. 2017 Aug 16;7:8325. doi: 10.1038/s41598-017-08449-1

Figure 4.

Figure 4

Superoxide dismutase activity (Unit/mL) of E. coli O157:H7 suspensions treated by UV-A light and selected compounds. E. coli O157:H7 was treated by GA (15 mM), PG (10 mM), HCl (pH = 3.1), or water for 30 or 5 min. Mean ± SD.