Table 4. Total flavonoid contents of EtOH extracts from fermented aronia residues

Fermented aronia residues	Total flavonoid1) (μg QE/mg)	Fermented aronia	Total flavonoid (μg QE/mg)
AR-E (Non-fermented)	5.9±0.2	AF-E (Non-fermented)	2.8±0.1
AR-LA-E (L. acidophilus)	5.3±0.1	AF-LA-E	2.2±0.1
AR-LP-E (L. plantarum)	5.9±0.1*2)	AF-LP-E	3.2±0.7
AR-PA-E (P. acidilactici)	6.2±0.1*	AF-PA-E	2.5±0.1*
AR-SC-E (S. cerevisiae)	11.2±0.1*	AF-SC-E	3.6±0.1*

Total flavonoid content: μg quercetin equivalent (QE)/mg EtOH extract.
* p<0.05; Significant difference between non-fermented group and each ferments.