Optimized Extract from Corylopsis coreana Uyeki (Hamamelidaceae) Flos Inhibits Osteoclast Differentiation

Table 2

Total flavonoids, phenolics, and contents of active constituents of the main phytochemicals identified from the 80% ethanolic extract of C. coreana Uyeki flos .

Constituent	Content
Total flavonoids	(mg/g eq.quercetin)
Total phenolics	(mg/g eq.gallic acid)
Bergenin	(w/w)
Quercetin	(w/w)
Quercitrin	(w/w)