Table 2 Mean values (in µg/g ± standard deviation) according to seed coat color classes for 5 anthocyanins and 5 flavonols. Analysis of variance (ANOVA) and Tukey test were conducted to detect significant differences between color classes. ***, p < 0.001

Del_G

290.8 ± 204.8 b

1.1 ± 3.2 a

2.4 ± 8.3 a

0.5 ± 1.9 a

1.8 ± 5.0 a

0.0 ± 0.0 a

87.7***

Pet_G

55.0 ± 71.4 b

0.0 ± 0.0 a

0.0 ± 0.0 a

0.0 ± 0.0 a

0.2 ± 1.1 a

0.0 ± 0.0 a

26.0***

Mal_G

16.7 ± 29.0 b

0.3 ± 1.7 a

0.2 ± 1.4 a

0.0 ± 0.0 a

0.0 ± 0.0 a

0.0 ± 0.0 a

14.4***

Cya_G

37.7 ± 82.5 c

28.5 ± 26.8 bc

7.7 ± 7.8 ab

1.8 ± 3.4ab

3.1 ± 4.9 a

0.0 ± 0.0 a

9.5***

Pel_G

17.3 ± 38.1 b

43.9 ± 49.0 c

4.2 ± 8.6 ab

1.3 ± 3.0 ab

2.8 ± 6.0 a

0.0 ± 0.0 a

19.8***

Kae_G

96.0 ± 189.5 ab

458.8 ± 555.1 c

137 ± 191.7 ab

707.3 ± 564.5 c

229.4 ± 425.7 b

0.0 ± 0.0 a

19.3***

Kae_GAcII

21.1 ± 30.5 ab

131.5 ± 139.7 e

76.1 ± 72.8 cd

134.2 ± 58.0 de

44.3 ± 72.8 bc

0.0 ± 0.1 a

25.6***

Myr_G

89.8 ± 88.8 b

0.5 ± 0.8 a

0.5 ± 1.1 a

0.1 ± 0.2 a

0.4 ± 1.1 a

0.0 ± 0.0 a

44.7***

Que_G

47.1 ± 51.4 d

32.4 ± 36.1 cd

26.4 ± 24.8 bc

9.2 ± 7.0 ab

8.5 ± 15.2 a

0.0 ± 0.0 a

21.1***

Que_GAc

5.8 ± 4.9 ab

8.4 ± 7.9 b

17.9 ± 26.2 c

2.8 ± 2.2 ab

2.3 ± 4.1 ab

0.0 ± 0.1 a

16.1***