Table 1.
Bioactive Compounds | Peel | Pulp | p-Value * | ||||||
---|---|---|---|---|---|---|---|---|---|
Amber | Laird’s Large | Mulligan | Amber | Laird’s Large | Mulligan | C | T | C × T | |
Chlorogenic acid | 225.85 ± 12.43ax | 231.18 ± 9.76bx | 278.03 ± 11.89cx | 54.67 ± 3.81ay | 66.35 ± 1.1by | 73.95 ± 1.98cy | <0.05 | <0.05 | <0.05 |
Caffeic acid | 2.61 ± 0.18ax | 3.56 ± 0.52bx | 3.52 ± 0.85bx | 1.01 ± 0.03ay | 1.2 ± 0.06by | 1.32 ± 0.04by | <0.05 | <0.05 | 0.0328 |
p-coumaric acid | 0.05 ± 0.01ax | 0.02 ± 0.01bx | 0.03 ± 0.01cx | 0.12 ± 0.01ay | 0.07 ± 0.01by | 0.08 ± 0.01cy | <0.05 | <0.05 | <0.05 |
Ferulic acid | 0.03 ± 0.03ax | 0.01 ± 0.01bx | 0.04 ± 0.03cx | <0.005ay | <0.005by | 0.02 ± 0.02cy | <0.05 | <0.05 | 0.1158 |
Total hydroxycinnamic acids | 228.53 ± 12.65ax | 234.77 ± 10.3bx | 281.63 ± 12.78cx | 55.80 ± 3.86ay | 67.62 ± 1.18by | 75.37 ± 2.04cy | <0.05 | <0.05 | <0.05 |
Gallic acid | 0.8 ± 0ax | 0.79 ± 0bx | 0.8 ± 0.01bx | 0.79 ± 0ay | 0.93 ± 0.06by | 1 ± 0.2by | <0.05 | <0.05 | <0.05 |
Ellagic acid | 0.12 ± 0.04x | 0.11 ± 0.03x | 0.1 ± 0.04x | 0.11 ± 0.02y | 0.09 ± 0.01y | 0.09 ± 0.02y | 0.2304 | 0.0483 | 0.6023 |
Total hydroxybenzoic acids | 0.91 ± 0.05ax | 0.9 ± 0.03abx | 0.91 ± 0.05bx | 0.90 ± 0.03ay | 1.01 ± 0.07aby | 1.09 ± 0.22by | 0.0227 | <0.05 | 0.0147 |
Kaempferol | 0.43 ± 0.01ax | 0.43 ± 0.01bx | 0.43 ± 0.01bx | 0.5 ± 0.04ay | 0.45 ± 0.01by | 0.45 ± 0.01by | <0.05 | <0.05 | <0.05 |
Total flavonols | 0.43 ± 0.01ax | 0.43 ± 0.01bx | 0.43 ± 0.01bx | 0.5 ± 0.04ay | 0.45 ± 0.01by | 0.45 ± 0.01by | <0.05 | <0.05 | <0.05 |
Catechin | 2.13 ± 0.83ax | 0.28 ± 0bx | 0.33 ± 0.02bx | 3.91 ± 0.68ay | 0.3 ± 0by | 0.32 ± 0by | <0.05 | <0.05 | <0.05 |
Epicatechin | 1.36 ± 0.03a | 1.49 ± 0.12b | 2.6 ± 0.72c | 1.34 ± 0a | 1.73 ± 0.01b | 2.31 ± 0.02c | <0.05 | 0.763 | 0.0545 |
Total flavanols | 3.49 ± 0.86ax | 1.78 ± 0.13bx | 2.94 ± 0.74cx | 5.25 ± 0.68ay | 2.03 ± 0.01by | 2.63 ± 0.02cy | <0.05 | <0.05 | <0.05 |
Rutin | 24.33 ± 1.85ax | 3.71 ± 0.45bx | 12.68 ± 1.1cx | 3.23 ± 0.08ay | 0.97 ± 0.03by | 1.32 ± 0.03cy | <0.05 | <0.05 | <0.05 |
Kaempferol-3-rutinoside | 8.32 ± 0.57ax | 19.22 ± 1.2bx | 12.45 ± 1.09cx | 30.72 ± 0.97ay | 50.04 ± 1.12by | 45.6 ± 1.41cy | <0.05 | <0.05 | <0.05 |
Isorhamnetin-3-rutinoside | 0.59 ± 0.05ax | 0.96 ± 0.05bx | 0.9 ± 0.02cx | 0.16 ± 0.01ay | 0.13 ± 0by | 0.14 ± 0cy | <0.05 | <0.05 | <0.05 |
Total flavonol glycosides | 33.25 ± 2.47ax | 23.89 ± 1.7bx | 26.03 ± 2.21bx | 34.11 ± 1.06ay | 51.14 ± 1.14by | 47.06 ± 1.44by | <0.05 | <0.05 | <0.05 |
Total phenolics | 266.62 ± 16.04ax | 261.77 ± 12.16bx | 311.93 ± 15.80cx | 96.56 ± 5.67ay | 122.26 ± 2.42by | 126.60 ± 3.74cy | <0.05 | <0.05 | <0.05 |
Delphinidin-3-rutinoside | 0.43 ± 0.02ax | 32.41 ± 2.98bx | 49.11 ± 2.23cx | 29.17 ± 2.47ay | 254.76 ± 6.33by | 273.36 ± 12.7cy | <0.05 | <0.05 | <0.05 |
Cyanidin-3-glucoside | n.d | 0.33 ± 0.04a | 1.97 ± 0.14b | n.d | n.d | n.d | <0.05 | – | – |
Cyanidin-3-rutinoside | 0.29 ± 0ax | 68.72 ± 4.33bx | 114.47 ± 5.97cx | 0.18 ± 0.02ay | 25.94 ± 1.99by | 30.67 ± 2.76cy | <0.05 | <0.05 | <0.05 |
Pelargonidin-3-rutinoside | 0.52 ± 0.06ax | 54.36 ± 3.24bx | 93.63 ± 2.48cx | 0.35 ± 0.03ay | 200.66 ± 8.51by | 182.81 ± 11.17cy | <0.05 | <0.05 | <0.05 |
Total anthocyanins | 1.24 ± 0.08ax | 155.82 ± 10.58bx | 259.18 ± 10.81cx | 29.70 ± 2.52ay | 481.37 ± 16.83by | 486.84 ± 26.63cy | <0.05 | <0.05 | <0.05 |
n.d: not detected. * Statistical significance for cultivar (C), tissue (T) and the interaction of both types (C × T). Means shown in a, b, c are significantly different at p < 0.05 between cultivars. Means shown in x, y are significantly different at p < 0.05 between tissues. SD values of less than 0.004 are presented as 0.