{TAIL ~ Various grades} of {HEAD ~ pectin} are commercially available in different degrees of methyl esterification and in different ranges of molecular weights, i.e. different degrees of disaggregation 
{ TAIL ~ Various grades } of { HEAD ~ pectin } are commercially available in different degrees of methyl esterification and in different ranges of molecular weights , i.e. different degrees of disaggregation
TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH