With konjac as the raw material, acetic anhydride as dispersant and acylating agent, sodium acetic as catalyzer, the preparation technique of water-soluble high molecular weight konjac glucomannan acetate was studied under neutral, anhydrous conditions.

• 研究了以魔芋胶为原料,乙酸酐为分散剂和酰化剂,无水乙酸钠为催化剂,在中性无水条件下制备水溶性高分子魔芋葡甘聚糖醋酸酯的方法。