## 3 Results and Discussion
### Polyphenols and Carotenoids Content
\begin{table}
\begin{tabular}{c c c c c c c c} \hline \hline
**Barley Cultivars** & **Galific Acid** & **Ferulic Acid** & **Caffe Acid** & **t-Cinnamic Acid** & **Simagic Acid** & \(P\)-Couramic Acid** & **Sum of Phenolic Acids** \\ \hline Natasia & \(2.12\pm 0.01\)\({}^{1}\) deg\({}^{2}\) & \(42.87\pm 0.06\) a & \(8.37\pm 0.01\) g & \(1.82\pm 0.02\) de & \(1.51\pm 0.000\) ghi & \(7.38\pm 0.13\) g & \(64.08\pm 0.21\) a \\ SU Lokok & \(1.68\pm 0.3\) a & \(164.69\pm 18.70\) e & \(4.16\pm 0.18\) d & \(1.26\pm 0.06\) d & \(1.42\pm 0.013\) c & \(6.89\pm 0.45\) ghi & \(180.10\pm 18.29\) d \\ Harvey & \(1.92\pm 0.12\) d & \(53.52\pm 75.8\) b & \(1.85\pm 0.50\) c & \(2.10\pm 0.13\) e & \(1.41\pm 0.00\) b & \(3.8\pm 0.45\) s & \(64.60\pm 8.792\) c \\ Ella & \(1.96\pm 0.09\) abcde & \(79.30\pm 16.52\) d & \(3.54\pm 1.16\) d & \(2.05\pm 0.15\) & \(1.52\pm 0.02\) hi & \(87.1\pm 2.38\) g & \(98.87\pm 15.55\)abc \\ KWS Dante & \(1.87\pm 0.08\) abc & \(106.61\pm 0.51\) d & \(4.45\pm 0.16\) d & \(1.76\pm 0.31\) d & \(1.43\pm 0.00\) d & \(6.85\pm 0.51\) ghi & \(124.77\pm 6.526\) c \\ KWS Atrik & \(1.83\pm 0.07\) g & \(70.31\pm 0.14\) d & \(2.02\pm 0.34\) & \(1.39\pm 0.03\) c & \(0.96\pm 0.10\) d & \(1.46\pm 0.004\) & \(3.87\pm 0.823\) a & \(79.64\pm 14.05\) b \\ Olimpie & \(1.99\pm 0.11\) bcd & \(62.87\pm 4.75\) abc & \(4.29\pm 0.36\) d & \(1.78\pm 0.47\) d & \(1.51\pm 0.004\) ghi & \(5.00\pm 4.90\) d & \(77.45\pm 4.97\) b \\ Rahaszek & \(2.18\pm 0.13\) ddeg & \(156.34\pm 11.4\) e & \(4.59\pm 0.14\) d & \(2.07\pm 0.26\) e & \(1.43\pm 0.001\) d & \(5.33\pm 0.34\) b & \(171.94\pm 11.08\) d \\ Obenck & \(2.16\pm 0.15\) deg & \(66.19\pm 10.00\) abc & \(5.71\pm 0.07\) d & \(4.20\pm 0.82\) f & \(1.53\pm 0.003\) i & \(7.49\pm 0.43\) g & \(87.28\pm 11.32\) abc \\ Barylka & \(2.12\pm 0.13\) ddeg & \(61.62\pm 9.67\) abc & \(4.32\pm 0.18\) d & \(1.37\pm 0.01\) d & \(1.5\pm 0.019\) d & \(4.99\pm 1.95\) b & \(759.1\pm 10.94\) b \\ Toada & \(1.99\pm 0.03\) degled & \(66.96\pm 12.6\) d & \(4.31\pm 0.05\) d & \(1.15\pm 0.03\) d & \(1.49\pm 0.007\) g & \(4.44\pm 0.19\) a & \(80.33\pm 2.40\) a \\ Podrack & \(2.14\pm 0.01\) deg & \(170.84\pm 0.32\) e & \(4.07\pm 0.21\) d & \(1.36\pm 0.02\) c & \(1.50\pm 0.027\) ghi & \(4.68\pm 0.04\) abc & \(184.6\pm 0.15\) d \\ Soldo & \(2.36\pm 0.04\) g & \(81.63\pm 2.65\) b & \(5.83\pm 0.18\) f & \(5.46\pm 0.16\) f & \(1.73\pm 0.006\) i & \(9.39\pm 0.231\) & \(106.4\pm 32.0\) b \\ Penguin & \(2.24\pm 0.02\) deg & \(68.21\pm 13.24\) & \(4.06\pm 0.03\) d & \(2.23\pm 0.08\) d & \(1.48\pm 0.03\) f & \(6.79\pm 10.56\) d & \(85.1\pm 18.48\) ab \\ Fabbene & \(2.25\pm 0.07\) g & \(97.92\pm 3.56\) d & \(1.19\pm 0.54\) b & \(2.05\pm 0.11\) e & \(1.52\pm 0.003\) hi & \(5.45\pm 0.31\) abde & \(110.38\pm 4.45\) b \\ Fariba & \(2.73\pm 0.21\) h & \(61.25\pm 5.82\) abc & \(0.57\pm 0.16\) ab & \(0.59\pm 0.06\) ab & \(1.39\pm 0.001\) ab & \(2.82\pm 0.09\) cdf & \(72.08\pm 5.62\) ab \\ Argento & \(2.35\pm 0.28\) g & \(62.19\pm 0.43\) c & \(0.01\pm 0.02\) a & \(0.52\pm 0.01\) a & \(1.37\pm 0.015\) a & \(5.84\pm 0.67\) bcd & \(72.29\pm 1.35\) a \\ Mean & \(2.11\pm 0.26\) & \(86.65\pm 41.30\) & \(3.79\pm 2.14\) & \(1.39\pm 1.23\) & \(1.48\pm 0.080\) & \(6.18\pm 1.80\) & \(102.15\pm 41.67\) \\ \hline \multicolumn{7}{l}{\({}^{1}\) Data are presented as means \(\pm\) standard deviations (SD), n = 3;\({}^{2}\) Within columns, mean values followed by different letters (a–e) are significantly different at \(p<0.05\).} \\ \end{tabular}
\end{table} 
Table 2: Phenolic acids concentrations (mg 100 g\({}^{-1}\)) in the grain of 17 barley cultivars grown organically in the controlled field trial in Poland.