The purity of the ginkgolideA prepared in this process was above 99%, with the yield of 60%.
该工艺制得的银杏内酯A晶体纯度高于99%,总收率约为60%。
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METHODS: The HPLC method with Evaporative Light Scattering Detector (ELSD)was established to determine the content of ginkgolideA, B in the Ginkgo injection.