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This study aimed to evaluate the extraction and the potential of guaraná peels extract as a source of bioactive compounds and as a natural antioxidant. Guaraná peels were characterized, and different solvents and conditions of extraction were assessed using a full‐factorial design. The total carotenoids content was 65.9 ± 0.4 µg/g, and the major species were β‐carotene and lutein. It also presented...