adj.四環(huán)的

Limonoids are a group of highly oxygenated,tetracyclic triterpene secondary metabolites derivatives. 檸檬苦素類似物是一類高度氧化的四環(huán)三萜類植物次生代謝物質。

Three tetracyclic triterpenoid acids,named ganoderic acids M1,M2,M3,were isolated from the fermentaion products by submerged fermentation of G. 從靈芝深層發(fā)酵產物中分離得到三種四環(huán)三萜酸,命名為靈芝酸M1,M2,M3。

Conclusion: The ear points pressing combined with oral tetracycl ine was a good way in freatment of female acne, which can be used in clinic practice. 結論:耳穴按壓法治療痤瘡有良好療效,可能與降低血清睪酮水平有關。

Three tetracyclic triterpenoid acids, named ganoderic acids M1, M2, M3, were isolated from the fermentaion products by submerged fermentation of G. lucidum. 從靈芝深層發(fā)酵產物中分離得到三種四環(huán)三萜酸，命名為靈芝酸M1, M2, M3。

The invention relates to a pharmaceutical composition with dammarane-type tetracyclic triterpene compound as an active component and an application thereof to the pharmaceutical field. 本發(fā)明涉及達瑪烷型四環(huán)三萜類化合物為活性成分的藥物組合物及其在醫(yī)藥領域中的應用。