The components of hydrolytic product analyzed by mass spectrum showed that agarase A mainly produced tetrose and hexose as long as a small amount of disaccharides .

用琼胶酶A水解琼胶制备 琼胶寡糖的结果经质谱分析表明，产物主要为 四 糖和六糖，另有少量二糖。

Neither tetrose nor mannan group had metastasis of the liver and the weights of liver in the two groups were significantly lower than in the control .

四 糖组及 甘露糖 聚组 均无肝 外转移发生，两组小鼠的肝脏 湿重也明显低于对照组。

Comparison the effect of tetrose with sodium hyaluronate in prevention of ankylenteron after laparotomy

几 丁 糖透明质酸钠预防术 后肠粘连效果对比