## 3 Results and Discussion
### Polyphenols and Carotenoids Content
\begin{table}
\begin{tabular}{c c c c c c c c} \hline \hline
**Bazley Caltivas** & **Quercetin-3-O-Rutinoside** & **Kaempfer-3-O-Glucoside** & **Luteolin** & **Quercetin** & **Apigenin** & **Kaempfer** & **Sum of Flavonoids** \\ \hline Natasa & 27\(\pm\)0.08 \(\pm\) 0.031 g ** & 5.54 \(\pm\) 0.01 fg & 1.87 \(\pm\) 0.00 a & 2.37 \(\pm\) 0.03 abc & 6.16 \(\pm\) 0.02 ab & 9.04 \(\pm\) 0.23 f & 52.07 \(\pm\) 0.15 j \\ SU Lolek & 146 \(\pm\) 0.55 d & 3.62 \(\pm\) 0.45 e & 2.21 \(\pm\) 0.18 ab & 2.15 \(\pm\) 0.15 a & 6.14 \(\pm\) 0.28 ab & 5.57 \(\pm\) 0.27 d & 34.15 \(\pm\) 1.52 fgh \\ Bitney & 75.3 \(\pm\) 1.50 c & 3.91 \(\pm\) 0.02 e & 2.32 \(\pm\) 0.30 ab & 2.38 \(\pm\) 0.12 abc & 5.77 \(\pm\) 0.06 a & 6.03 \(\pm\) 0.15 d & 27.94 \(\pm\) 1.99 b \\ Ella & 17.99 \(\pm\) 3.48 e & 19.43 \(\pm\) 0.41 j & 1.75 \(\pm\) 0.06 & 3.63 \(\pm\) 0.21 fgh & 7.48 \(\pm\) 1.37 b & 7.21 \(\pm\) 0.24 e & 57.50 \(\pm\) 4.40 k \\ KWS Dante & 13.34 \(\pm\) 0.48 d & 2.28 \(\pm\) 0.22 c & 1.88 \(\pm\) 0.03 a & 2.89 \(\pm\) 0.29 bcd & 5.80 \(\pm\) 0.20 ab & 2.07 \(\pm\) 0.10 a & 30.26 \(\pm\) 1.31 d \\ KWS Atrika & 6.15 \(\pm\) 0.08 c & 0.92 \(\pm\) 0.32 ab & 1.81 \(\pm\) 0.08 a & 2.01 \(\pm\) 0.01 a & 4.71 \(\pm\) 0.21 a & 1.88 \(\pm\) 0.04 a & 17.48 \(\pm\) 0.75 a \\ Olimpio & 14.86 \(\pm\) 1.07 d & 5.48 \(\pm\) 0.12 fg & 2.02 \(\pm\) 0.06 a & 2.02 \(\pm\) 0.09 a & 5.52 \(\pm\) 0.32 a & 1.82 \(\pm\) 0.00 a & 31.78 \(\pm\) 1.30 d \\ Rubaszek & 15.75 \(\pm\) 0.42 d & 7.48 \(\pm\) 0.27 fg & 1.97 \(\pm\) 0.06 a & 2.64 \(\pm\) 0.20 d & 5.78 \(\pm\) 0.30 a & 2.11 \(\pm\) 0.10 a & 35.72 \(\pm\) 1.34 h \\ Obersek & 19.12 \(\pm\) 0.22 f & 6.57 \(\pm\) 0.36 gh & 3.74 \(\pm\) 0.10 c & 3.29 \(\pm\) 0.44 def & 8.02 \(\pm\) 0.33 c & 2.75 \(\pm\) 0.09 b & 43.47 \(\pm\) 0.38 i \\ [PERSON] & 14.39 \(\pm\) 0.55 d & 6.46 \(\pm\) 1.16 g & 2.24 \(\pm\) 1.08 d & 2.65 \(\pm\) 0.74 d & 5.65 \(\pm\) 0.92 a & 4.43 \(\pm\) 0.82 c & 36.36 \(\pm\) 0.21 h \\ [PERSON] & 14.90 \(\pm\) 0.15 d & 4.76 \(\pm\) 0.92 e & 2.08 \(\pm\) 0.07 ab & 2.23 \(\pm\) 0.19 a & 5.66 \(\pm\) 0.05 a & 5.70 \(\pm\) 0.18 d & 35.25 \(\pm\) 0.74 g \\ Podarev & 14.19 \(\pm\) 0.62 d & 3.84 \(\pm\) 1.62 e & 1.97 \(\pm\) 0.12 a & 2.58 \(\pm\) 0.27 abc & 5.26 \(\pm\) 0.01 a & 3.09 \(\pm\) 0.57 b & 30.92 \(\pm\) 2.66 c \\ Soldo & 19.46 \(\pm\) 0.57 f & 11.67 \(\pm\) 0.321 & 4.28 \(\pm\) 0.55 & 3.69 \(\pm\) 0.13 gh & 8.52 \(\pm\) 0.03 e & 2.99 \(\pm\) 0.01 b & 50.00 \(\pm\) 0.41 j \\ Penguin & 14.17 \(\pm\) 0.08 d & 3.36 \(\pm\) 1.08 e & 2.01 \(\pm\) 0.20 ab & 3.01 \(\pm\) 0.07 e & 30.25 a & 1.96 \(\pm\) 0.04 a & 34.21 \(\pm\) 3.06 fgh \\ Fabienne & 5.54 \(\pm\) 1.62 b & 6.49 \(\pm\) 0.07 gh & 1.85 \(\pm\) 0.41 a & 2.27 \(\pm\) 0.12 ab & 10.08 \(\pm\) 0.76 d & 1.82 \(\pm\) 0.13 a & 28.05 \(\pm\) 0.13 b \\ Fariba & 3.69 \(\pm\) 0.48 ab & 2.14 \(\pm\) 0.32 b & 2.69 \(\pm\) 0.07 b & 4.14 \(\pm\) 0.11 h & 7.50 \(\pm\) 0.22 b & 9.01 \(\pm\) 0.12 f & 29.17 \(\pm\) 1.07 bcd \\ Argenton & 2.02 \(\pm\) 0.05 a & 0.72 \(\pm\) 0.05 a & 3.75 \(\pm\) 0.10 c & 2.56 \(\pm\) 0.04 ac & 8.11 \(\pm\) 0.60 c & 9.13 \(\pm\) 0.03 f & 2.68 \(\pm\) 0.67 b \\
**Means** & **13.36 \(\pm\) 6.41** & **5.60 \(\pm\) 4.40** & **2.38 \(\pm\) 0.80** & **2.74 \(\pm\) 0.65** & **6.77 \(\pm\) 1.62** & **4.51 \(\pm\) 2.72** & **35.36 \(\pm\) 10.16** \\ \hline \end{tabular}
\end{table} 
Table 4: Flavonoids concentrations (mg 100 g\({}^{-1}\)) in the grain of 17 barley cultivars grown organically in the controlled field trial in Poland.