In this paper,the sulfated carboxyl methyl fenugreek gum(S CMFG) were prepared firstly through introducing carboxyl methyl and sulfated groups into fenugreek gum.

• 以香豆胶为原料,分别引入羧甲基和磺酸基团,首次获得水溶性良好的新型香豆胶磺化衍生物。