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用高效液相色谱法测定养胃冲剂中芍药甙含量，来评价养胃冲剂的水煎法、超滤法、醇沉法三种工艺，实验结果认为超滤法最佳。
The HPLC method was used to determine the content of paeoniflorin in Yangwei granules. Three methods of decoction, ultrafiltration and alcohol precipitation were used to evaluate the effect of Yangwei granules. The experimental results showed that the ultrafiltration method was the best.