从蓝色犁头霉中提取壳聚糖

报道了一种从蓝色犁头霉菌丝体细胞壁中提取壳聚精的简便方法。经72h发酵，壳聚糖产量占菌丝体干重的11．72％。纯度为89．36％，游离氨基为92．13％，1％壳聚糖的1％醋酸溶液粘度为230MPa·s，平均分子量为3×105，灰分为8．62％，水分为3．78％。

It reported a simple method for the lab-scale isolation Of chitosan from hyphal walls of Absidia coerulea. After fermentation for 72h, Chitosan showed a yield of 11. 72% of the dry weigyt of mycelia. Purity of such chitosan was 89. 36%, free NH2 was 92. 13%, viscosity was 230 MPa· s, average molecular weight was 3 × 105, ash was 8. 62% and water was 3. 78%.