1) new neonicotinoid
新型烟碱类化合物
2) neonicotinoid compound
新烟碱化合物
3) alkaloid
[英]['ælkəlɔɪd] [美]['ælkə'lɔɪd]
生物碱类化合物
1.
A new method for the analysis of alkaloids in Coptis chinensis Franch was established by high performance capillary electrophoresis-electrospray ionization time of flight mass spectrometry (HPCE-ESI-TOF/MS).
建立了高效毛细管电泳-电喷雾飞行时间质谱联用(HPCE-ESI-TOF/MS)快速定性分析黄连中生物碱类化合物的分析方法。
4) new Schiff base complexes
新型Schiff碱配合物
5) capsaicinoids
辣椒碱类化合物
1.
In order to separate capsaicinoids from capsicum oleoresin by extraction and crystallization,the effects of saponification,extraction and crystallization on the purity and recovery were studied.
为开发一条从辣椒精制备辣椒碱类化合物的工艺路线,考察了皂化、萃取和结晶条件对辣椒碱类化合物收率和纯度的影响,获得了纯化辣椒碱类化合物的最佳工艺条件:5%氢氧化钠溶液皂化辣椒精,皂化液酸化后用乙醚萃取2次,乙醚相用氢氧化钠水溶液萃取3次,所得氢氧化钠萃取液调pH值后结晶,得到辣椒碱类化合物,纯度为98。
2.
A process for extracting and purifying capsaicinoids and capsaicin from capsicum oleoresin was studied in this paper.
本文研究了从辣椒精(辣椒碱类化合物含量为34。
3.
Methods for the determination and extraction as well as primary purification of the functional components, consisted of paprika pigments and capsaicinoids from paprika were studied in this paper.
本论文研究了红辣椒粉中的色素和辣椒碱类化合物的测定方法;确定了有机溶剂法提取和初步精制辣椒油树脂的工艺;分别以辣椒粉和辣椒油树脂为原料,采用超临界CO_2萃取分离技术和分子蒸馏技术分离辣椒色素和辣椒碱类化合物:由硅胶柱层析分离得到黄色素酯(β-胡萝卜素、β-隐黄素酯和玉米黄素二酯)和辣椒红素二酯,并与混合辣椒色素的光稳定性作了比较。
6) capsaicins compound
辣椒碱类化合物
1.
Capsicol was used in the experiment and was dissolved in sodium hydroxide, the acid-alkali extraction of capsaicins compound was optimized by HPLC.
以辣椒精为原料,以NaOH溶液为溶剂,利用HPLC分析法对酸碱-萃取法制备辣椒碱类化合物工艺进行了优化比较。
2.
A crude capsaicins compound (Purity 82%～84 %) was obtained.
以辣素为实验原料 ,将辣素溶于 1 %的氢氧化钠溶液中 ,以 2 %的硫酸酸化 ,正己烷萃取并浓缩得辣椒碱类化合物粗品 (纯度为 82 %～ 84% ) 。
补充资料：新型
1.新的类型;新式。
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