Isotope tracer technique showed that glucosamine sulfate above can pass through the skin in vitro of test animal in a diffusion cell and osmose into subcutaneous tissue.

• 同位素示踪研究结果显示,实验中制备的放射性同位素标记的氨基葡萄糖硫酸钠可穿过扩散池内的离体实验动物皮肤,进入皮下组织。