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- The microwave-assisted extraction(MAE) of betulin from Betula platyphylla Suk. 利用均匀设计法优化了微波辅助提取白桦树皮中桦木醇的工艺。
- Betulin and betulinic acid are remarkable natural products. 白桦脂醇和白桦脂酸是非常有价值的天然产物。
- The technique for the extraction of betulin by supercritical CO2 (SCDE) was optimized using uniform design. 利用均匀设计法优化了超临界CO2萃取(SCDE)桦树皮中桦木醇的工艺。
- CONCLUSION: Betulin had potent inhibiting effects on EC109 cells growth in vitro. 结论: 白桦酯醇对食管癌细胞EC109有明显抑制活性。
- Objective To study the antioxidant effects of betulin on alcoholic liver disease in rats. 摘要目的观察白桦脂醇对大鼠酒精性肝损伤的抗氧化作用。
- The hepatic injuries of rats in the high-dose betulin group were recovered obviously. 高剂量白桦脂醇还能明显改善由酒精引起的肝组织脂肪样变和坏死。
- Conclusion Betulin has obviously protective effects on alcoholic liver injury in rats.The mechanism may be the induced decrease of lipid peroxide. 结论白桦脂醇能抑制酒精诱导脂质过氧化反应对肝组织的损伤,对酒精性肝损伤有明显的保护作用。
- BACKGROUND &AIM: Betulin is an important triterpene. We investigated the antitumor activity of betulin,extracted from the bark of silver birch(Betula platyphylla Suk). 背景与目的白桦酯醇是一种重要的三萜类生物活性分子,本文从白桦树皮中提取获得白桦酯醇纯品,然后研究该生物活性分子抑制食管癌细胞的活性。
- Abstract BACKGROUND & AIM: Betulin is an important triterpene.We investigated the antitumor activity of betulin, extracted from the bark of silver birch (Betula platyphylla Suk). 摘要 背景与目的: 白桦酯醇是一种重要的三萜类生物活性分子,本文从白桦树皮中提取获得白桦酯醇纯品,然后研究该生物活性分子抑制食管癌细胞的活性。
- Betulin and betulinic acid, the triterpenes of the lupane family, are considered to be potential agents against tumoral cancer and HIV . 桦木醇、桦木酸是具有羽扇烷结构的三萜化合物,目前的研究发现,它们具有较高的抗肿瘤、抗HIV病毒活性,它们的衍生物也有较高的生物活性。
- Betulinic acids are a kind of natural product with anti-HIV-1 virus and anti-tumor activity extractable from a lot of plants.They include betulinic acid,23-hydroxy betulinic acid, betulin, and others. 白桦酸类化合物是一类可以从多种植物中分离得到的天然产物,包括白桦酸、23-羟基白桦酸、白桦素及其衍生物等,是一类结构及作用机制相对新颖、具有抗HIV-1和抗肿瘤活性的天然化合物。
- Keywords betulin;uniform design;microwave-assisted extraction; 桦木醇;均匀设计;微波辅助提取;
- Keywords HPLC;Betula platyphylla Suk.bark;triterpenes;betulin; 高效液相色谱法;白桦树皮;三萜;白桦酯醇;
- Keywords white birch bark;betulin;extraction;recrystallization; 白桦树皮;桦木醇;提取;重结晶;
- Keywords betulin;uniform design;supercritical CO2 extraction; 桦木醇;均匀设计;超临界二氧化碳萃取;
- SEPARATION AND PURIFICATION OF BETULIN BY TETRAHYDROFURAN-BENZENE EXTRACTION 四氢呋喃-苯混合溶剂法分离纯化桦木醇
- betulinol 桦木醇
- Trochol 桦木醇, 白桦脂醇[局部消毒防腐药]
- Keywords Betula platyphylla Suk.;betulin;extraction methods;different parts;provenances; 白桦;白桦酯醇;提取方法;不同部位;种源;
- Keywords betulin;purification;solubility;betulinic acid;glycosides;derivative; 白桦脂醇;纯化;溶解度;白桦脂酸;糖苷化;衍生物;