Table 3.
Analysed componenta | Type of jamsb | Storage time/temperature | |||
---|---|---|---|---|---|
0 | 12 months | 12 months | p valuec | ||
10 °C | 20 °C | ||||
p-coumaric acid | G0 | 0.273 ± 0.004aA | 0.208 ± 0.001bA | 0.155 ± 0.003cA | < 0.001 |
GCh | 0.638 ± 0.004aB | 0.578 ± 0.002bB | 0.530 ± 0.009cB | < 0.001 | |
GE | 0.349 ± 0.005aC | 0.264 ± 0.001bC | 0.232 ± 0.001cC | < 0.001 | |
GJ | 0.285 ± 0.004aD | 0.231 ± 0.001bD | 0.171 ± 0.001cD | < 0.001 | |
GF | 0.413 ± 0.003aE | 0.338 ± 0.003bE | 0.291 ± 0.004cE | < 0.001 | |
GWG | 0.388 ± 0.007aF | 0.328 ± 0.002bF | 0.282 ± 0.006cE | < 0.001 | |
p value | < 0.001 | < 0.001 | < 0.001 | ||
Ferulic acid | G0 | ndd | nd | nd | nd |
GCh | 0.231 ± 0.001aA | 0.205 ± 0.000bA | 0.177 ± 0.006cA | < 0.001 | |
GE | 0.173 ± 0.016aB | 0.124 ± 0.003bB | 0.099 ± 0.001cB | 0.001 | |
GJ | 0.014 ± 0.001aC | 0.009 ± 0.001bC | 0.007 ± 0.001cC | < 0.001 | |
GF | 0.170 ± 0.005aB | 0.148 ± 0.003bD | 0.124 ± 0.002cD | < 0.001 | |
GWG | 0.155 ± 0.002aD | 0.123 ± 0.001bB | 0.099 ± 0.006cB | < 0.001 | |
p value | < 0.001 | < 0.001 | < 0.001 | ||
Caffeic acid | G0 | 0.546 ± 0.007aA | 0.493 ± 0.005bA | 0.330 ± 0.011cA | < 0.001 |
GCh | 4.403 ± 0.184aB | 3.875 ± 0.031bB | 3.413 ± 0.036cB | 0.001 | |
GE | 0.493 ± 0.004aC | 0.464 ± 0.006bC | 0.310 ± 0.005cA | < 0.001 | |
GJ | 1.463 ± 0.030aD | 1.247 ± 0.007bD | 1.029 ± 0.022cC | < 0.001 | |
GF | 0.842 ± 0.036aE | 0.734 ± 0.011bE | 0.642 ± 0.007cD | 0.001 | |
GWG | 0.528 ± 0.003aAC | 0.466 ± 0.005bC | 0.428 ± 0.003bE | < 0.001 | |
p value | < 0.001 | < 0.001 | < 0.001 | ||
(+)-catechin | G0 | 2.442 ± 0.055aA | 1.958 ± 0.005bA | 1.699 ± 0.086cA | < 0.001 |
GCh | 1.874 ± 0.048aB | 1.610 ± 0.034bB | 1.358 ± 0.053cB | < 0.001 | |
GE | 5.660 ± 0.084aC | 4.670 ± 0.082bC | 4.368 ± 0.000cC | < 0.001 | |
GJ | 5.469 ± 0.135aD | 4.592 ± 0.084bC | 4.145 ± 0.021cD | < 0.001 | |
GF | 4.277 ± 0.077aE | 3.633 ± 0.064bD | 2.800 ± 0.059cE | < 0.001 | |
GWG | 3.860 ± 0.053aF | 3.258 ± 0.134bE | 2.565 ± 0.033cF | < 0.001 | |
p value | < 0.001 | < 0.001 | < 0.001 | ||
Rutin | G0 | 0.128 ± 0.004aA | 0.102 ± 0.006bA | 0.087 ± 0.002cA | 0.001 |
GCh | 0.227 ± 0.006aB | 0.213 ± 0.001bB | 0.202 ± 0.002cB | 0.001 | |
GE | 0.633 ± 0.020aC | 0.546 ± 0.003bC | 0.513 ± 0.003cC | < 0.001 | |
GJ | 0.097 ± 0.001aD | 0.085 ± 0.001bD | 0.075 ± 0.004cD | 0.001 | |
GF | 0.348 ± 0.006aE | 0.327 ± 0.012bE | 0.249 ± 0.004cE | < 0.001 | |
GWG | 0.111 ± 0.001aD | 0.087 ± 0.004bD | 0.054 ± 0.002cF | < 0.001 | |
p value | < 0.001 | < 0.001 | < 0.001 |
aValues are presented as mean value ± SD (n = 4) and expressed of fresh matter. Different letters (a–c) in the same rows or (A–F) in the same columns indicate significant differences (p < 0.05)
bType of jams: G0—gooseberry jam without plant ingredients, GCh—jam with 15% addition of chokeberry, GE—jam with 15% addition of elderberry, GJ—jam with 8% addition of Japanese quince, GF—jam with 3% addition of flax seeds, GWG—jam with 3% addition of wheat germ
cOne-way ANOVA, analysis of variance
d Nd not detected