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Phenolic content and antioxidant activity [(ABTS and DPPH free radical scavenging and ferric reducing antioxidant power (FRAP)] of essential oils from crude organic propolis (EOP) and from its moist residue (EOMR) and dry residue (EODR). Columns with different letters indicate statistically significant differences (p < 0.05). Vertical bars represent the standard deviation.
