betulin是什么意思   betulin怎么读

betulin单词基本解析：

betulin变化用词：

betulin英英释义：

betulin中文词源：

betulin用法和例句：

betulin

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。

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。

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

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。

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。

Keywords betulin;uniform design;microwave-assisted extraction;

桦木醇;均匀设计;微波辅助提取;

Keywords betulin;uniform design;supercritical CO2 extraction;

桦木醇;均匀设计;超临界二氧化碳萃取;

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。

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 white birch bark;betulin;extraction;recrystallization;

白桦树皮;桦木醇;提取;重结晶;

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;

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。

Keywords betulinic acid;23-hydroxy betulinic acid;betulin;structure modification;anti-HIV-1 virus activity;anti-tumor activity;

白桦酸;23-羟基白桦酸;白桦素;结构改造;抗HIV-1;抗肿瘤活性;

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。

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。

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。

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;