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作者采用水媒法和溶媒法,分别将茯苓聚糖直接羧甲基化,得到了具有抗肿瘤活性的羧甲基茯苓聚糖,并对产物进行了IR、~(13)CNMR分析。
The authors used aqueous and solvent methods to directly carboxymethylated pachymannan respectively to obtain the carboxymethyl pachymannan with anti-tumor activity. The products were analyzed by IR and ~ (13) CNMR.