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Quality properties at 7 days for fresh-cut lettuce after disinfection with several combinations of treatments. Weight loss (A), polyphenolic content (B), L* (C), a* (D), and b* (E) are shown. Bars show means ± standard deviations, and different letters above the columns indicate significant differences (P < 0.05). AA, acetic acid; LA, lactic acid; SH, sodium hypochlorite. The concentration of ozone was 8 ppm.
