Comparative Analysis of Three Deproteinization Methods of Purple Potato Oligosaccharides
Taking the oligosaccharide loss rate and protein removal rate as the measurement indexes,the Sevag method,trichloroacetic acid method and enzymatic method were used to deproteinize the purple sweet potato oligosaccharides.The results showed that the protein removal rate of Sevag method,three trichloroacetic acid method and enzyme method were 40.34%,71.50%,82.95%,oligosaccharide loss rate were 40.22%,55.63%,13.05%,respectively.Enzymatic method is an ideal method for removal of protein in purple sweet potato oligosaccharides.
purple sweet potatooligosaccharidesremoval of proteinSevag methodtrichloroacetic acid methodenzyme method