1) C21 steroids
C21甾体类化合物
2) Steroids
甾体类化合物
1.
Research Advances in Flavonoids and Steroids in Plants of Dracaena Vand. ex L.;
龙血树属植物黄酮类和甾体类化合物研究进展
2.
Three steroids were isolated from the sample by silica gel column and their structures were elucidated by comprehensive spectrometric methods as ergosterol,ergosterol peroxide and ergostat-7,22-dien-3β,5α,6β-triol.
结果分离得到3种甾体类化合物。
3.
Methods: Amino acids were determined by HPLC post column derivatization and steroids by GC MS.
方法 :采用HPLC 柱后衍生化法测定了氨基酸组成的变化 ,用GC MS法测定了甾体类化合物组成的变化。
4) C21 steroid
C21甾体
1.
The chemical constituents isolated from this genus include C21 steroids,triterpenes and cyclitols.
萝藦科牛奶菜属植物全世界约100种,中国产22种5变种,化学成分主要包括C21甾体类、三萜类和环醇类等。
5) steroids
甾类化合物
1.
Quantitative determination of steroids in the fruiting bodies and submerged-cultured mycelia of Inonotus obliquus
桦褐孔菌子实体和发酵菌丝体中甾类化合物的定量测定(英文)
2.
In the studies on the marine steroids isolated from the South China Sea sponge and soft coral,we summerized the fragmentation mechanism of the most important peaks of mass spectrometry of 5α-saturated nucleus-steryl acetate,4-methya-5α-saturated nucleus steryl acetate and △4-3-ketone and the regular patterns of mass spectrometry of these steroids.
在研究海洋甾类化合物的过程中，本文总结了５α－饱和甾核－甾醇乙酸酯、４－甲基－５α－饱和甾核－甾醇乙酸酯和△４－３－甾酮的质谱中最重要碎片峰的裂解机理和这些甾美化合物的质谱学规律。
补充资料：体类
1.体式;类别。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条