| 摘要 |
A sterile, non-inflammatory, heat-resistant hyaluronic acid fraction of low molecular weight, and a method for extracting it from a crude source. The hyaluronic acid fraction is obtained by washing a deproteinized crude source with butanol, precipitating a hyaluronic acid-quaternaryalkylamine complex, dissolving the complex in an excess of sodium dodecylsulfate solution, and precipitating the sterile, non-inflammatory, heat-resistant hyaluronic acid fraction from the soution. |
