Prepn process and application of resemary acid

Abstract

The present invention discloses preparation process and application of rosemary acid, and features that rosemary acid and its derivative and mixture may be prepared into preparation for antagonizing tumor of digestive tract and other tumor and synergizing and attenuating tumor treating chemotherapeutic medicine and radiotherapy. Medicine preparation of rosemary acid and its derivative and mixture may be used directly in treating primary or secondary thrombocytopenic purpura and leucopenia and thrombocytopenia caused by chemotherapy or radiotherapy. The present invention also provides process of extracting high purity rosemary acid and its derivative and mixture from Sarcandra glabra as the plant material.

Description

technical field [0001] The invention relates to a preparation method and application of rosmarinic acid. Background technique [0002] Tumor is a malignant disease. According to WHO statistics, among the more than 5 billion people in the world, an average of 6.9 million people die from malignant tumors every year, and 8.7 million new cases are reported, and the number is still increasing year by year. The situation in China is basically the same. In the past 20 years, the proportion of malignant tumors among the causes of death has risen from 12.6% to 17.9%. Therefore, countries have long attached great importance to tumor research and anti-tumor drugs, and significant progress has been made in the research of anti-tumor drugs. [0003] Thrombocytopenic purpura includes primary thrombocytopenic purpura and secondary thrombocytopenic purpura. The main manifestation is decreased platelet production, and there is no ideal drug for treatment at present. [0004] Rosmarinic ac...

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Problems solved by technology

Mainly manifested as decreased platelet production, there is no ideal drug for treatment

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