J. Braz. Chem. Soc. vol.28 número6
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![Figure 4. Ion fragmentation spectrum [M + H] + m/z 271 referring to apigenin, an oregano antioxidant.](https://thumb-eu.123doks.com/thumbv2/123dok_br/19000936.463723/6.892.122.754.113.737/figure-ion-fragmentation-spectrum-referring-apigenin-oregano-antioxidant.webp)
![Figure 5. Ion fragmentation spectrum [M + H] + m/z 277 referring to 6-shogaol, a ginger antioxidant.](https://thumb-eu.123doks.com/thumbv2/123dok_br/19000936.463723/7.892.148.781.107.414/figure-ion-fragmentation-spectrum-referring-shogaol-ginger-antioxidant.webp)
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