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. 2017 Winter;16(Suppl):142–152.

Table 1.

Distribution of polyphenols in raspberry pomaces from Meeker (ERM) and Willamette (ERW) cultivars

Peak Compound ERM ERW
1 Protocatechuic acid 215.28 ± 8.56 214.47 ± 10.07
2 Gallic acid 63.44 ± 2.19 77.87 ± 2.96
3 Syringic acid n.d. 2.58 ± 0.10
4 Ellagic acid 1.16 ± 0.05 4.55 ± 0.18
5 Caffeic acid n.d. 0.35 ± 0.01
6 Ferulic acid 2.04 ± 0.09 0.19 ± 0.01
7 Synapic acid 0.57 ± 0.02 0.47 ± 0.02
8 Catechin 50.2 ± 2.50 103.07 ± 4.26
9 Rutin 5.14 ± 0.16 5.79 ± 0.26
10 Myricetin 0.44 ± 0.02 1.02 ± 0.04
11 Luteolin 0.14 ± 0.01 0.09 ± 0.01
12 Quercetin 0.39 ± 0.02 0.21 ± 0.01
Total 338.80 410.66

Data expressed as mg per 100 g of pomace and presented as mean ± SD