Table 5 Phenolic acid and flavonoid content (expressed as mean of mass concentration in mg/mL) of the Croatian propolis samples analyzed [19].
propolis sample\polyphenolic | p-coumaric acid | caffeic acid | chrysin | tectochrysin | pinocembrin | pinocembrin-7-methyl ether | isoferulic acid |
|---|---|---|---|---|---|---|---|
Veliki Zdenci | 0.3223+1.32 | 0.1204+0.99 | - | - | - | - | - |
Sisak | 0.1331+8.22 | 0.2675+0.22 | 0.1423+4.09 | 0.0845+2.90 | - | - | - |
Labin | 0.1464+3.82 | 0.3000+0.74 | 0.3987+3.30 | - | - | - | - |
Čisla (Omiš) | 0.2047+2.09 | 0.4123+0.51 | 0.1247+1.84 | - | - | 0.0593+7.36 | - |
Pelješac | - | 0.4196+0.38 | 0.4896+1.46 | 0.6775+1.45 | 0.8454+2.13 | 0.7452+0.84 | 0.5068+0.59 |
Metković | 0.2968+1.04 | 0.3538+0.79 | 0.5616+2.62 | 1.1816+0.81 | 0.6725+1.54 | 1.1621+0.85 | 0.4376+2.42 |
Mixture of propolis | 0.1908+2.14 | 0.3398+0.92 | 0.6237+4.47 | 0.4179+1.71 | 1.1465+3.24 | 0.2305+5.49 | 0.4109+4.54 |