Table 1.

Overview of main black crowberry (Empetrum nigrum) flavonoids (total content).

Detected Phenolic Compounds	Literature Source
Flavonols
Quercetin	23 ± 1.5–37.2 ± 2.89 mg/100 g FW Park et al. [12], Dudonne et al. [22]
Kaempferol	21.5 ± 0.5 mg/100 g FW Park et al. [12]
Flavan-3-ols
Epicatechin	7.09 ± 0.41 mg/100 g FW Dudonne et al. [22]
Proanthocyanidins	0.74–6.25 mg/g FW Kellogg et al. [25]
Anthocyanins	41.8 mg/g extract Koponen et al. [33] 503 mg/100 g FW Dudonne et al. [22]