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CIELab coordinates of juices obtained from untreated and PEF-treated grapes at the moment when they were obtained and after 45 days of storing at 4 °C. Juice obtained from untreated grapes (blue solid lines), juice obtained from PEF-treated grapes (red solid lines), juice obtained from untreated grapes after 45 days of storing at 4 °C (blue dashed lines), juice obtained from PEF-treated grapes after 45 days of storing at 4 °C (red dashed lines).
