human control materials with known fractions of salivary and pancreatic amylase were determined by seven routine amylase assays based on substrates with glucosyl ( g ) chain lengths g4 , g5 , g5-6 , g7 , g9 , amylopectin and blue starch polymer ( phadebas ) .
C0002728
amylopectin
C0038179
starch