Figure 1.
Melatonin and total phenol content in apple. (a) The ‘Fuji’ apple peel and flesh samples. (b) Melatonin content in peel, flesh, and juice of the ‘Fuji’ and ’Granny Smith’ apple. (c) The total phenol content in the peel, flesh, and juice of ‘Fuji’ apple. (d) The effect of pasteurization on the content of melatonin in ‘Fuji’ apple juice. Data are means ± SD of three independent studies, and three duplicates for each analysis. * indicates significant difference among treatments based on LSD multiple comparison (p < 0.05).