Table 4.
The main effect of, and interactions between, cultivar and horticultural system on the content of individual phenolic acids and flavonoids (µg/g f.w.) in courgette fruits.
| Factor | Gallic Acid |
Chlorogenic Acid | Caffeic Acid |
p-Coumaric Acid | Ferulic Acid |
Quercetin-3-O-rutinoside | Kaempferol-3-O-glucoside |
|---|---|---|---|---|---|---|---|
| Cultivar (CV) | |||||||
| Astra Polka (AP) | 13.52 ± 1.17 1 | 5.23 ± 0.59 | 2.99 ± 0.61 | 6.51 ± 0.61 | 3.51 ± 0.55 | 2.24 ± 0.26 | 2.18 ± 0.27 |
| Nimba (N) | 14.20 ± 1.37 | 5.79 ± 0.73 | 3.69 ± 0.79 | 6.49 ± 0.70 | 4.22 ± 0.55 | 2.09 ± 0.26 | 2.16 ± 0.27 |
| Horticultural System (HS) | |||||||
| Commercial organic fertilizer (BIO) | 13.09 ± 1.26 B 2 | 3.43 ± 0.48 B | 2.42 ± 0.79 | 7.31 ± 0.94 | 2.43 ± 0.41 B | 1.22 ± 0.18 B | 2.01 ± 0.31 B |
| Manure (MAN) | 18.59 ± 1.55 A | 8.68 ± 0.73 A | 4.81 ± 0.98 | 7.70 ± 0.76 | 6.42 ± 0.67 A | 3.10 ± 0.31 A | 3.22 ± 0.25 A |
| Mineral (MIN) | 9.71 ± 0.81 B | 4.10 ± 0.41 B | 2.94 ± 0.63 | 4.63 ± 0.48 | 3.02 ± 0.30 B | 2.43 ± 0.19 A | 1.33 ± 0.13 B |
| ANOVA p-values | |||||||
| CV | 0.656 | 0.275 | 0.537 | 0.863 | 0.283 | 0.624 | 0.942 |
| HS | 0.016 | 0.012 | 0.309 | 0.572 | 0.019 | 0.020 | 0.093 |
| CV × HS | 0.243 | 0.987 | 0.771 | 0.771 | 0.406 | 0.505 | 0.781 |
1 Data are presented as means (average content from different fruit samples) ± SE; 2 Values in columns followed by different capital letters (A,B) are significantly different at the 5% level of probability (Tukey’s test).