Antimicrobial Activity of Copper Alone and in Combination with Lactic Acid against <i>Escherichia coli</i> O157:H7 in Laboratory Medium and on the Surface of Lettuce and Tomatoes

<table>Effect of lactic acid and copper on the morphology of <i>E. coli</i> O157:H7 as demonstrated by scanning electron microscopy: (a) control, (b) lactic acid, (c) copper, and (d) lactic acid and copper.</table>

Journal of Pathogens

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Figure 2: Antimicrobial Activity of Copper Alone and in Combination with Lactic Acid against <i>Escherichia coli</i> O157:H7 in Laboratory Medium and on the Surface of Lettuce and Tomatoes 

Figure 2 | Antimicrobial Activity of Copper Alone and in Combination with Lactic Acid against Escherichia coli O157:H7 in Laboratory Medium and on the Surface of Lettuce and Tomatoes 