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. 2022 Apr 2;27(7):2308. doi: 10.3390/molecules27072308

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© 2022 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).

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Effect of different procyanidins on the survival of PC12 cells induced by H₂O₂. (a) Effect of 2.5 μM procyanidins on the survival of PC12 cells induced by H₂O₂; (b) Effect of 5 μM procyanidins on the survival of PC12 cells induced by H₂O₂. Control, Blank control group; Model. H₂O₂ (200 μM); Positive control, NAC (20 μM) + H₂O₂ (200 μM); C, C + H₂O₂ (200 μM); EC, EC + H₂O₂ (200 μM); ECG, ECG + H₂O₂ (200 μM); B1, B1 + H₂O₂ (200 μM); B2, B2 + H₂O₂ (200 μM); B3, B3 + H₂O₂ (200 μM); B4, B4 + H₂O₂ (200 μM); B1-G, B1-G + H₂O₂ (200 μM); B2-G, B2-G + H₂O₂ (200 μM); C1, C1 + H₂O₂ (200 μM). Data are expressed as the mean ± SD. All experiments were conducted six times. Values with different letters above each bar represent significant differences (p < 0.05, one-way ANOVA). NAC, N-acetyl-l-cysteine.