“…N-Acetyl GM3 (Neu5Ac), Nglycolyl GM3 (Neu5Gc), and N-acetyl GD3 (Neu5Ac) were also present in the antler. The major ceramide moiety was composed of C16:0 or C22:0 fatty acids along with either C18 sphingosine or C20 eicosasphingosine (Yang et al, 2004). Many other substances including free amino acids, polypeptides, trace elements, carbohydrates, hexosamines, mucopolysaccharides, uronic acids, sialic acids, prostaglandins, glycolipids, phospholipids, nucleic acids, hypoxanthine, cholesterol, cholest-5-ene-3,7␣-diol, and cholesterol esters were also identified and claimed as the active components (Zhang et al, 1992;Zhao et al, 1992;Ivankina et al, 1993;Feng et al, 1995;Jhon et al, 1999;Yang et al, 2004).…”