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Effects of different drying methods on total phenol content of Thomson peel essential oils. The vertical bars represent standard deviation (±SD) of the means. SD, Sun drying; ShD, Shade drying; OD 45 and 60, Oven drying at 45°C and 60°C; VOD 45 and 60, Vacuum oven drying at 45°C and 60°C; MW 360 and 600, Microwave drying at 360 W and 600 W; FD, Freeze‐drying
