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