Purification and Structural Characterization of a Novel Water-Soluble Neutral Polysaccharide from Cantharellus cibarius and Its Immunostimulating Activity in RAW264.7 Cells

Table 1

FTIR spectrum of JP1.

Wavenumber (cm^−1)	Strength	Functional group	Indication
3000–3500	Strong	O-H stretching vibration	Degree of methylation
Near 2900	Weak	C-H stretching vibration	Characteristic peak of saccharides
1600–1730	Medium	C=O stretching vibration	Existence of acetyl
1400–1200	Medium	C-H deviational vibration	Characteristic peak of saccharides
1300–1000	Strong	Stretching vibration of pyranoid ring	Pyranoid ring
Near 810 and 870	Weak	Mannose	Characteristic peak of mannose