Phenolic compounds (μg/g dw)
Methanolic extract
Watermelon rinds
Sharlyn melon peels
4-Hydroxybenzoic acid 958.3 325.3
Vanillin 851.8 199.2
Chlorogenic acid 196.3 66.2
Caffeic acid 41.4 –
Syringic acid 32.3 –
Coumaric acid 8.8 80.8
Sinapinic acid 137.6 –
P-anisic acid 81.5 –
Hydroxycinnamic acid 46.5 –
Cinnamic acid 35.5 –