不同品种附子生物碱和多糖含量的比较

目的:比较不同品种附子生物碱和多糖的含量。方法:采用酸性染料比色法测定附子总生物碱含量,反相高效液相色谱法测定双酯型生物碱含量,蒽酮-硫酸法测定多糖含量。结果:不同品种附子总生物碱和双酯型生物碱含量差异较大,附子多糖含量差异不显著。附子炮制后,黑附片中总生物碱、双酯型生物碱含量显著下降,附子多糖含量稍有增加。结论:本试验结果可为附子品种选育提供一定的科学依据。     

C19型二萜生物碱药理活性和毒性研究进展

C19型二萜生物碱是一类来源广泛、结构复杂、生物活性多样的植物成分,一直以来为化学家和药理学家所重视.本文综述了近年来C19型二萜生物碱的药理活性和毒性研究进展,为其深度开发利用提供一定参考.     

Two new diterpenoid alkaloids, beiwusines A and B, from Aconitum kusnezoffii

Two new atisine-type diterpenoid alkaloids, beiwusine A (1) and B (2), have been isolated from the roots of Aconitum kusnezoffii Reichb. Their structures were established on the basis of spectroscopic data. Beiwusines A and B are the first examples of atisine-type diterpenoid alkaloids having a hydroxyl group at C-1. In addition, one known diterpenoid alkaloid spiramine H (3) has been isolated.     

草乌花及其煎煮液中二萜生物碱的电喷雾串联质谱研究草乌花及其煎煮液中二萜生物碱的电喷雾串联质谱研究

目的 对草乌花及其煎煮液中的二萜生物碱进行定性分析,说明煎煮前后化学成分发生的变化。 方法用注射泵自动进样,电喷雾离子阱串联质谱直接分析草乌花及其煎煮液中生物碱混合物。结果 在生草乌花中发现3个新生物碱,草乌花煎煮后其中的双酯型生物碱和三酯型生物碱都发生水解,前者水解为苯甲酰乌头原碱和乌头原碱类生物碱,后者水解为3-乙酰-乌头原碱类生物碱。结论 该法简便、快速、灵敏、特异性强,为乌头属植物煎煮液中的生物碱分析提供了新途径。     

Diterpenoid Alkaloids from Aconitum vilmorrianum

A new diterpenoid alkaloid, vilmorrianone ( 1), has been isolated from ACONITUM VILMORRIANUM Kom. The structure was elucidated by spectral methods and confirmed by X-ray diffraction analysis. Also four known diterpenoid alkaloids have been isolated and identified.     

Diterpenoid Alkaloids of Aconitum sungpanase

A new diterpenoid alkaloid, sungpanconitine, was isolated from ACONITUM SUNGPANESE Hand.-Mazz. Its structure was determined on the basis of chemical and spectral evidence. Along with this new compound, four known diterpenoid alkaloids were isolated and identified.     

C20型二萜生物碱的药理活性研究进展

c20型二萜生物碱是一类结构复杂、活性多样的化合物,一直以来为化学家和药理学家所重视,近十年来,有关发现其新药理活性的报道不断涌现。综述c20型二萜生物碱药理活性的研究情况。     

直缘乌头根中生物碱成分的研究

目的：研究直缘乌头（Aconitum transsectum Diels.）根中的生物碱成分。方法：采用pH梯度、中压柱层析、常压硅胶柱层析及离心薄层层析法。结果：分得11个已知二萜生物碱，由光谱法分别鉴定为：滇乌碱（yunaconitine）、印乌碱（indaconitine）、黄草乌碱甲（vilmorrianine A）、黄草乌碱丙（vilmorrianine C）、草乌甲素(crassialine A)、膝乌碱（geniconitine）、查斯曼宁（chasmanine）、８－去乙酰滇乌碱（8-deacetylyunaconitine）、塔拉萨敏（talatisamine）、14-乙酰塔拉萨敏（14-acetyltalatisamine）和chasmaconitine。结论：黄草乌碱甲和chasmaconitine是首次从该植物中分离得到。     

Two new diterpenoid alkaloids from Aconitum cochleare

Two new diterpenoid alkaloids, cochleareine (1) and acoleareine (2) together with the known alkaloids 14-acetyltalatisamine (3) and talatisamine (4) have been isolated from the aerial parts of Aconitum cochleare Woroschin growing wild in Eastern Turkey (Van).     

Willipelletierine,a new diterpenoid alkaloid from Consolida scleroclada (Boiss.) Schrod

From the aerial parts of Consolida scleroclada (Boiss.) Schrod. collected in Turkey, a new diterpenoid alkaloid named willipelletierine has been isolated along with the known diterpenoid alkaloids aconitine, lapaconidine, and delcosine. The structure for willipelletierine was established on the basis 1H, 13C, DEPT, homonuclear 1H COSY, HETCOR and NOESY NMR studies.     

Diterpenoid Alkaloids from Delphinium caeruleum

A new minor diterpenoid alkaloid, caeruline, was isolated from DELPHINIUM CAERULEUM Jacq. ex Camb. Its structure was elucidated as 1 on the basis of spectral evidence. Along with this new compound, three known diterpenoid alkaloids were also isolated from this plant and identified as tatsiensine, delcosine, and lycoctonine which had not been found in this herb previously.     

Diterpenoid alkaloids from the roots of Aconitum cochleare

From the roots of Aconitum cochleare Woroschin, collected in Turkey, a new diterpenoid alkaloid named acochlearine has been isolated along with the known diterpenoid alkaloids talatisamine, 14-O-acetyltalatisamine, senbusine C and condelphine. The structure for acochlearine was established on the basis of 1H, 13C, DEPT, homonuclear 1H COSY, NOESY, HSQC and HMBC NMR studies.     

Diterpenoid alkaloids from the roots of Aconitum brachypodum Diels

A new diterpenoid alkaloid, named bullatine H (1), along with 10 known diterpenoid alkaloids were isolated from the roots of Aconitum brachypodum Diels (Ranunculaceae). The structure of 1 was elucidated by analysis of its spectroscopic data. It should be noted that compound 1 is the first example with 11, 13-dioxygenated denudatine-type diterpenoid alkaloid isolated from Aconitum brachypodum.     

中药附子的研究进展

目的探讨附子的药效物质基础,为附子的进一步开发和利用提供参考。方法通过查阅国内外相关文献,进行归纳、分析,对附子的化学成分、生物活性及质量控制进行综述。结果附子的主要成分为生物碱类,其中以乌头碱骨架的C-19型二萜生物碱为主,其次为C-20型二萜生物碱,以海替生碱型、维替碱型、纳哌啉型、光翠雀碱型骨架类型为主;除生物碱外,还含有黄酮、皂苷、神经酰胺类等成分。附子的生物活性主要包括强心、抗肿瘤、抗炎镇痛、增强免疫、抗衰老等作用。附子药材质量控制方法包括高效液相色谱(HPLC)指纹图谱研究及主要成分的含量测定研究。结论附子的现代研究取得了一定进展,但在阐明其传统药效作用及机制方面仍存在一些问题,需要进一步深入探讨。     

Rational design and structure–activity relationship studies reveal new esterified C20-diterpenoid alkaloid analogues active against MCF-7 human breast cancer cells

Journal of Natural Medicines - Although various diterpenoid alkaloids have been evaluated recently for antiproliferative activity against human tumor cell lines, little information is available...     

四川江油附子(Aconitum carmichaeli Debx)脂溶性生物碱的研究

附子是我国常用中药之一,原植物为Aconitum carmichaeli Debx药用部位为侧生块根。陈嬿等曾报道从陕西川乌中分到篍廖谕芳?hypaconitine)、乌头碱(aconitine)、美沙乌头碱(mesaconitine)、塔拉地萨敏(talatisamine)及两个未知成分川乌碱甲(据作者之一朱元龙后来报道,川乌碱甲即为isotalatizidine)和川乌碱乙。又从南京引种的川乌中提取得到美沙乌头碱、海帕乌头碱和乌头碱。近两年来,又有许多文章报道关于Aconitum     

RP-HPLC法同时测定中药关白附中关附甲素、关附壬素和关附辛素含量

目的：建立同时测定关白附中3种二萜生物碱———关附甲素、关附壬素和关附辛素的RP-HPLC分析方法。方法：色谱柱：Zorbax Eclipse XDB-C8柱（2.1 mm×150 mm,5μm）,流动相：庚烷磺酸钠缓冲液（加入0.2%三乙胺,磷酸调至pH 3）-乙腈（梯度洗脱）,柱温：25℃,流速：0.2 mL.min-1,检测波长：205 nm。结果：3种生物碱的相邻色谱峰分离度大于1.5,关附壬素、关附甲素和关附辛素质量浓度分别在0.100～0.502、0.100～0.498和0.100～0.500 g.L-1的范围内与峰面积呈良好的线性关系（r=0.999 9）,其平均加样回收率（n=9）分别为97.29%、101.46%、102.33%。结论：本法分离效果和重复性好,简便易行,可用于关白附药材中3种生物碱的同时定量分析及药材质量控制。     

Structures of Flavamine and Flavadine from Aconitum flavum

Two new diterpenoid alkaloids, flavamine ( 1) and flavadine ( 2), were isolated from the roots of ACONITUM FLAVUM Hand-Mazz. The structures were established on the bases of spectral analyses and chemical correlations with napelline ( 3) and lucidusculine ( 4), respectively.     

HPLC法同时测定藏药铁棒锤中3种双酯型生物碱的含量

目的测定藏药铁棒锤中3种双酯型生物碱的含量。方法采用HPLC法对铁棒锤中双酯型生物碱进行含量测定。结果建立的高效液相色谱法专属性强;鸟头碱在0．06～0．65pg,次乌头碱在0·19～1．96μg,新乌头碱在0．22～2．25μg范围内呈良好的线性关系,r乌1=0.9996,r次=0.9994,r新=0.9992。平均回收率分别为96．9％、97．1％、96．3％,RSD分别为1．5％、1．8％、1．9％。结论建立的方法专属性强,灵敏度高,重现性好,可有效的控制铁棒锤的质量。