Among flavonoid compounds, catechins were the most abundant (23%), and (+)-catechin and (+)-catechin-hexoside were the main compounds found in SSF0 extracts. Flavanones (13%)
such as derivatives of hesperetin, naringenin and eriodictyol, and flavonols (5%) such as glycosides of quercetin and isorhamnetin were also found in SSF0 extracts (Table 2).