betulin
n.
桦木脑，桦木醇，白桦脂醇；
权威例句
Betulin and lupeol in bark from four white-barked birchesBetulin Is a Potent Anti-Tumor Agent that Is Enhanced by Cholesterol
A Concise Semi-Synthetic Approach to Betulinic Acid from Betulin
Pharmacological properties of the ubiquitous natural product betulin.
HAIR AND SKIN PROTECTING COMPOSITIONS BASED ON ESTERS OR ETHERS OF BETULIN
^C Nuclear Magnetic Resonance of Lupane-Type Triterpenes, Lupeol, Betulin and Betulinic Acid
Betulin and betulinic acid attenuate ethanol-induced liver stellate cell activation by inhibiting reactive oxygen species (ROS), cyt...
Inhibition of SREBP by a small molecule, betulin, improves hyperlipidemia and insulin resistance and reduces atherosclerotic plaques
Anti-AIDS agents. 34. Synthesis and structure-activity relationships of betulin derivatives as anti-HIV agents.
ChemInform Abstract: Anti‐AIDS Agents. Part 34. Synthesis and Structure—Activity Relationships of Betulin Derivatives as Anti...
1. Betulin extracted from bark of birch ( Betula platyphylla Suk. )
本研究从白桦树皮中提取了桦木醇。
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2. Yield of crude betulin extracted from bark of birch was 34.52 % by weight.
结果表明：从白桦树皮中提取桦木醇粗品的得率为34．52％；
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3. A new method of determining the antioxidant activity of betulin from betula bark is established.
建立了一种测定白桦树皮中白桦脂醇对羟自由基清除率的新方法。
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4. Conclusion: Betulin is of certain anti-tumor activity and low toxicity .
结论：白桦脂醇具有一定的抗肿瘤活性及较低的毒性。
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5. 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。
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6. The present invention relates to a compound extract of fomes yucafensis and betulin, its preparation method and preparation.
本发明涉及桑黄白桦茸的复合提取物，该复合提取物的制备方法及其制剂。
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7. Abstract:Objective To investigate the effects and mechanism of betulin on rats with alcoholic liver disease.
目的：观察白桦脂醇对大鼠酒精性肝损伤的保护作用及其机制。
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8. Betulin and Betulinic acid treatment could decrease serum AST, ALT activities and hepatic MDA level significantly, and critically increased hepatic GSH and CAT levels.
预防给予不同剂量的白桦酯醇或白桦酯酸可明显降低小鼠血清中ALT、AST和肝脏中MDA活性，提高GSH和CAT水平。
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9. Betulin and betulinic acid are remarkable natural products.
酸是非常有价值的天然产物。
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10. Said preparation method includes the following steps: (1), respectively pulverizing fomes yucafensis and betulin;
其制备方法如下：1）取桑黄、白桦茸粉碎；
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11. A simple procedure is described for the simultaneous extraction and determination of betulin and betulinic acid in white birch bark; 2.
建立了三波长分光光度法测定白桦树皮中缩合鞣质含量的分析方法。
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12. A simple procedure is described for the simultaneous extraction and determination of betulin and betulinic acid in white birch bark; 2.
建立了三波长分光光度法测定白桦树皮中缩合鞣质含量的分析方法。
www.dictall.com
betulin
