查询词典 betulinic

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。

Betulin,betulinic acid and many of theirderivatives exhibit great promise as bioactive agents for the treatment of HIV infection andcancer.

白桦脂醇、白桦脂酸及其衍生物作为生物制剂在 HIV 和癌症治疗方面表现出了巨大的潜能。

Abstract〕 Objective To study 23-hydroxyl betulinic acid induced apoptosis and growth inhibition of B16 melanoma cell in vivo and in vitro.

摘要〕 目的研究23-羟基桦木酸对体内、外B16黑色素瘤细胞生长的抑制及诱导凋亡作用。

And a birch bark compound, betulinic acid, is being tested as a treatment for melanoma and other serious diseases.

一、桦树皮大院桦木酸，正测试作为治疗黑素瘤和其他严重疾病。

Key words〕 23-hydroxyl betulinic acid;B16 melanoma cell;apoptosis

关键词〕 23-羟基桦木酸；黑色素瘤细胞；细胞凋亡

Betulinic acid, a pentacyclic triterpene, has recently been reported to possess antitumor activity against cultured human melanoma cells.

1995年，人们首次发现了白桦酯酸的抗黑色素瘤活性以及作用的选择性，被称为是很有前景的抗肿瘤候选药物。

Methods MTT assay,electronic microscopy,flow cytometry and tumor volume assay were used to examine the effect of 23-hydroxyl betulinic acid on B16 melanoma cell line.

应用MTT分析，电镜观察，流式细胞仪，肿瘤体积大小测定等方法，对23-羟基桦木酸诱导黑色素瘤细胞进行检测和观察。

The substance, betulinic acid, had weak actiity against HI.

这个物质就是桦木酸，有着些微的抗HI活性。

BTW is a new betulinic acid derivatives distilled from baitouweng.

BTW是从白头翁根部新分离提取的白桦酸衍生物。

Methods Different particle sizes of betunilic acid and HPMC ,different viscosity grades and amount of HPMC and different pressures were used to prepare betulinic acid sustained-release tablets.

方法分别采用不同粒度白桦脂酸不同粒度、含量的羟丙甲纤维素，以及不同的压片压力制备白桦脂酸缓释片，在0.5%十二烷基硫酸钠溶液的释放递质中测定其释放度。

But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊！不用提了。提到肉，真是糟透了。