灵芝-黄芪双向固态发酵菌质在制备降尿酸产品中的应用

The preparation method of Ganoderma lucidum-Astragalus bidirectional solid-state fermentation mycelium has solved the problem of low utilization of Ganoderma lucidum and Astragalus components in traditional processes, realizing bidirectional conversion and functional synergy of Ganoderma lucidum and Astragalus components, and preparing a highly efficient uric acid-lowering product with significant pharmacological effects and quality stability.

CN122398882APending Publication Date: 2026-07-17SHANDONG UNIV

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
SHANDONG UNIV
Filing Date
2026-05-14
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

The existing traditional decoction or alcohol extraction processes for Ganoderma lucidum and Astragalus membranaceus cannot fully release fat-soluble components such as Ganoderma lucidum triterpenes. The bioavailability of isoflavones in Astragalus membranaceus is low. Furthermore, the existing solid-state fermentation technology has failed to achieve bidirectional conversion and functional synergy of components between Ganoderma lucidum and Astragalus membranaceus, making it difficult to meet the quality consistency requirements of uric acid-lowering products.

Method used

The preparation method of Ganoderma lucidum-Astragalus bidirectional solid-state fermentation mycelium involves inoculating Ganoderma lucidum mycelium into a composite substrate of rice and Astragalus, fermenting in the dark, and using Astragalus to induce secondary metabolism in Ganoderma lucidum to promote the conversion of flavonoid glycosides, phenolic acids and triterpenoids in Ganoderma lucidum. Combined with ultrasonic extraction technology of ethanol, a highly efficient uric acid-lowering product is prepared.

Benefits of technology

The product significantly increases the content of flavonoid glycosides, phenolic acids, and Ganoderma triterpenoids. It can reduce serum uric acid, improve liver and kidney damage caused by hyperuricemia, regulate intestinal flora structure and bile acid metabolism, and achieve product quality stability and synergistic pharmacological effects.

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Abstract

本发明属于生物发酵技术领域,具体涉及灵芝‑黄芪双向固态发酵菌质在制备降尿酸产品中的应用,包括灵芝菌种活化、液体菌种制备、双向固态发酵及提取物制备步骤,其中双向固态发酵通过黄芪诱导灵芝次级代谢、灵芝酶解黄芪成分实现双向生物转化,发酵菌质中黄酮苷类、酚酸类、灵芝三萜类、甾醇类活性成分显著提升,较未发酵混合物新增18种特征成分、9种活性成分含量升高,质量稳定可控;提取物可用于制备降尿酸、肝肾保护的天然产品制剂,能够显著降低尿酸、修复肝肾功能、调节肠道菌群与胆汁酸代谢。
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