the percent contents of these elements in the chinese medicines range from 0 to 34.41 % ( average : 11.73 % ) for protein , from 0.03 to 37.42 % ( average : 1.72 % ) for phosphorus , from 0.12 to 33.22 % ( average : 2.94 % ) for potassium and 0.03 to 5.62 % ( average : 0.43 % ) for magnesium .
C0013879
elements
C0031705
phosphorus