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. 2022 Feb 25;84:105960. doi: 10.1016/j.ultsonch.2022.105960

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© 2022 The Author(s)

This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/).

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Fig. 7 — Effects of different combinations on reactive oxygen species metabolism and antioxidant enzyme activity in blueberries. (A) Hydrogen peroxide. (B) $O_{2}^{-}$ production rate. (C) Catalase. (D) Superoxide dismutase. (E) Peroxidase. The asterisk above the column indicates a significant difference (P < 0.05) with control in the same group. US, Ultrasound; PAA, peracetic acid; FC, free chlorine; CP, cold plasma.