The compositions can also include various particles such as inorganic salts and proteinaceous materials which are capable of dissolving under {HEAD ~ conditions} which do not significantly dissolve {TAIL ~ the composition}, which create porosity in the composition once the particles have dissolved 
not significantly dissolve
The compositions can also include various particles such as inorganic salts and proteinaceous materials which are capable of dissolving under { HEAD ~ conditions } which do not significantly dissolve { TAIL ~ the composition } , which create porosity in the composition once the particles have dissolved
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH