| abstract |
The invention discloses 8-epi-12-epi-isoandrographolidume-19-sulfate or salt thereof, a preparation method thereof, and antipyretic, anti-inflammatory and antiviral purposes of the 8-epi-12-epi-isoandrographolidume-19-sulfate or the salt thereof. The 8-epi-12-epi-isoandrographolidume-19-sulfate or the salt thereof formed by the preparation method does not change chemical properties of andrographolidume, the 8-epi-12-epi-isoandrographolidume-19-sulfate or the salt thereof has the advantages of being good in water-solubility, high in heat stability, small in hemoclasis, and the like, and pharmacoactive effects of andrographolidume pure natural medicine are guaranteed to the greatest extent. In addition, medicine and pharmaceutical research workers cannot know the good purposes of 8-epi-12-epi-isoandrographolidume-19-sodium disulfate in advance on the premise that related experiments are not conducted. |