Preparation and prescription of enteric coated pellets of Panax notoginseng saponins pellets / 中国中药杂志

ABSTRACT

<p><b>OBJECTIVE</b>To prepare enteric coated pellets containing panax notoginseng saponins.</p><p><b>METHOD</b>Panax notoginseng saponins loaded pellets were prepared by Extrusion-Spheronization method, and coated by Eudragit L30D-55 using Glatt fluid bed with the bottom spray process, central composite design was used to optimize the coating prescription.</p><p><b>RESULT</b>The drug release of enteric coated pellets of panax notoginseng saponins pellets would be lower than 5% in 2 h in simulated gastric fluid, but reach above 85% in 3 h in simulated human gastroenteric environment.</p><p><b>CONCLUSION</b>The enteric coated pellets of panax notoginseng saponins have good acid residence to avoid panax notoginseng saponins from degrading in gastric acid.</p>