3-O-β-D-Xylopyranosyl-(1→3)-α-L-Rhamnopyranosyl-(1→4)-α-L-arabinopyranosyl hederagenin-28-O-β-D-glucopyranosyl-(1→6)-β-D-glucopyranosyl ester

Angelol M shows activity in inhibiting prostate specific antigen (PSA) secreted from androgen dependent prostate cancer cell line, LNCaP cells.

3, 4-Dihydroxyphenylethanol is an active ingredient extracted from the olive.