“…However, the biological activities of polysaccharides are closely correlated to their molecular size, types and ratios of constituent monosaccharides, and features of glycosidic linkages (e.g., configuration and position of glycosidic linkages, and sequence of monosaccharides) [ 48 , 49 ]. Recently, HPSEC, HPLC after 1-phenyl-3-methyl-5-pyrazolone (PMP) derivatization, NMR, Fourier transform infrared analysis (FT-IR) and chemical method including phenol–sulfuric acid, periodate oxidation, smith hydrolysis, methylation analysis, partial acid hydrolysis, have been applied for evaluating total contents, molecular sizes, types and ratios of constituent monosaccharides, and features of glycosidic linkages of polysaccharides in P. heterophylla [ 22 , 26 , 27 , 50 ].…”