双波长薄层扫描法测定枝穗大黄中大黄素的含量

目的建立枝穗大黄中 大黄素含量测定方法的一种方法。方法采用双波长薄层扫描法，测定波长λS=290nm，参比波长λR=342nm。结果枝穗大黄中大黄素的平均含量为0.62%，平 均回收率为97.5%。结论用双波长薄层扫描法测定，方法简单、灵敏。     

伊犁贝母总生物碱对豚鼠的平喘作用及其机理

目的 :研究伊犁贝母总生物碱 (FPA)对豚鼠的平喘作用及其作用机理。方法 :以乙酰胆碱 组胺引喘法观察FPA对豚鼠的平喘作用 ;制备豚鼠气管螺旋条标本 ,通过观察其张力变化研究FPA对离体气管平滑肌基础张力的影响及其组胺和卡巴胆碱对气管收缩的抑制作用。结果 :FPA在 10 ,2 0 ,4 0mg/kg剂量下连续灌胃给药 5d ,对乙酰胆碱 组胺所致的豚鼠哮喘具有显著的延长引喘潜伏期的作用 ;对豚鼠离体气管平滑肌的基础张力无显著影响 ,对组胺引起的收缩也无显著的抑制作用 ,对卡巴胆碱引起的收缩 ,FPA在 10mg/L浓度时开始呈现非常显著的抑制作用 (P <0 .0 1) ,对 6 μmol/L卡巴胆碱的IC50 为 14 7mg/L。FPA可浓度依赖性地使卡巴胆碱量效曲线向右平移 ,最大收缩张力无显著变化。结论 :FPA对豚鼠具有平喘作用 ,其作用机制与竞争性拮抗气管平滑肌M受体有关     

喀什小檗叶不同萃取部位舒张血管活性的筛选

目的研究喀什小檗叶不同萃取部位对大鼠离体胸主动脉环的舒张作用,筛选有效部位。方法采用离体血管灌流实验方法,观察0.01、0.05、0.1、0.5、1、5 mg/mL喀什小檗叶不同萃取部位(石油醚、乙酸乙酯、正丁醇、水)对去氧肾上腺素(PE)(1μmol/L)预收缩的内皮完整血管环和去内皮血管环张力的影响。内皮完整血管环经一氧化氮合酶抑制剂(L?NAME)预处理,以探讨喀什小檗叶乙酸乙酯部位舒张血管作用是否与NO释放有关。结果喀什小檗叶不同萃取部位中,乙酸乙酯部位对内皮完整和去内皮的离体血管环均有浓度依赖性地舒张作用(P<0.01),并且去内皮处理后,作用强度无明显差异(P>0.05)。经L?NAME预处理后,乙酸乙酯部位对内皮完整血管环的舒张作用不受抑制。结论喀什小檗叶不同萃取部位中乙酸乙酯部位具有舒张血管作用,其舒张血管作用是非内皮依赖性的,并且其作用机制与内源性NO释放无关。     

6省13个产地细叶小檗中盐酸小檗碱测定与相关性分析

目的测定6省13个产地细叶小檗Berberis poiretii Schneid.中盐酸小檗碱含量并分析其相关性。方法细叶小檗甲醇提取物采用YMC?Pack Polymer C18色谱柱(4.6 mm×250 mm,5μm);流动相乙腈?0.02 mol/L磷酸二氢钾溶液;体积流量1.0 mL/min;检测波长265 nm;柱温30℃。并考察其与生长性状、生境因子间的相关性,用SPSS 23.0软件进行方差分析与聚类分析。结果盐酸小檗碱在6.5~65μg/mL范围内线性关系良好(r=0.9999),平均加样回收率98.93%~101.37%,RSD 1.61%~2.80%,定量限2.18μg/mL,检测限1??05μg/mL。盐酸小檗碱含量与经度、纬度、叶长宽比呈正相关,与根长、根重、株高、海拔呈负相关;13个产地划分为3个类群,其中类群Ⅰ为吉林、河北种质,该类群盐酸小檗碱含量较高。结论该方法准确稳定,重复性好,可用于细叶小檗的质量控制。     

In Vitro Inhibitory Effect of Berberis vulgaris (Berberidaceae) and Its Main Component,Berberine against Different Leishmania Species

Background

Leishmaniasis has been identified as a major public health problem in tropical and sub-tropical countries. The present study was aimed to investigate antileishmanial effects of various extracts of Berberis vulgaris also its active compoenent, berberine against Leishmania tropica and L. infantum species on in vitro experiments.

Methods

In this study in vitro antileishmanial activity of various extracts of B. vulgaris also its active compoenent, berberine against promastigote and amastigote stages of L. tropica and L. infantum was evaluated, using MTT assay and in a macrophage model, respectively. Furthermore, infectivity rate and cytotoxicity effects of B. vulgaris and berberine in murine macrophage cells were investigated.

Results

The findings of optical density (OD) and IC₅₀ indicated that B. vulgaris particulary berberine significantly (P<0.05) inhibited the growth rate of promastigote stage of L.tropica and L.infantum in comparison to meglumine antimoniate (MA). In addition, B. vulgaris and berberine significantly (P<0.05) decreased the mean number of amastigotes in each macrophage as compared with positive control. In the evaluation of cytotoxicity effects, it could be observed that berberine as compared with B. vulgaris exhibited more cytotoxicity against murine macrophages. Results also showed that when parasites were pre-incubated with B. vulgaris their ability to infect murine macrophages was significantly decreased.

Conclusion

B.vulgaris particularly berberine exhibited potent in vitro leishmanicidal effects against L. tropica and L.infantum. Further works are required to evaluate the antileishmanial effects of B.vulgaris on Leishmania species using clinical settings.     

黑果小檗抗肿瘤细胞生物学作用的研究

目的 开发新的的抗癌食物,为新疆可食用野生植物开发利用成抗癌、防癌保健食品提供理论依据.方法 通过对人膀胱癌细胞(EJ)、人喉癌细胞(Hep-2)、人低分化粘液腺胃癌细胞(MGC-803)、人肝癌细胞(Q3)和人肺癌细胞(Spc-A-1)等肿癌细胞及小鼠成纤维细胞(3T3)的生物学作用,即对肿瘤细胞的增殖能力、存活量、蛋白质含量及形态的改变效应,研究该植物的抗肿瘤效应.结果 对肿瘤细胞Hep-2和MGC-803细胞有较强的抑制杀伤作用,但对正常小鼠成纤维细胞也有一定的抑制作用.结论 黑果小檗具有一定的抗肿瘤作用,但是对正常细胞又有一定的杀伤作用.     

甘肃省兴隆山三颗针中小檗硷含量的测定——兼论酸水法提取小檗硷的条件

本文报告以小型生产为目的,对酸水法由三颗针提取小檗硷的有关条件进行了试验,据此拟定的操作方法在生产中证实是可行的,并从生产考虑,测定了兴隆山三颗针中小檗硷的含量,其结果为: 1、根皮含小檗硷为 3.75％～3.71％ 2、杆皮含小檗硷为 0.81％～1.01％ 3、全根切片含小檗硷约为 0.57％     

黑果小檗抗肿瘤细胞生物学作用的研究

目的开发新的的抗癌食物，为新疆可食用野生植物开发利用成抗癌、防癌保健食品提供理论依据。方法通过对人膀胱癌细胞（EJ）、人喉癌细胞（Hep-2）、人低分化粘液腺胃癌细胞（MGC-803）、人肝癌细胞（Q3）和人肺癌细胞（Spc-A-1）等肿癌细胞及小鼠成纤维细胞（3T3）的生物学作用，即对肿瘤细胞的增殖能力、存活量、蛋白质含量及形态的改变效应，研究该植物的抗肿瘤效应。结果对肿瘤细胞Hep-2和MGC-803细胞有较强的抑制杀伤作用，但对正常小鼠成纤维细胞也有一定的抑制作用。结论黑果小檗具有一定的抗肿瘤作用，但是对正常细胞又有一定的杀伤作用。     

贮存时间对三棵针中小檗碱含量的影响

<正> 三棵针为小科小檗属植物的根,有清热、利湿、散瘀的功能,根和根皮中的小檗碱含量较高,药源丰富,是制药厂提取黄连素的重要原料(北京医学院、北京中医学院。中草药成分化学。第1版。北京:人民卫生出版社,1980:124)在实验中发现三棵针中小檗碱的提得率随着贮存时间的延长而显著降低,药材表面的色泽也有变化,并且光照有促进作用,用贮存三年后的三棵针作原料几乎提不出小檗碱。本实验对贮存不同时间的三棵针进行外观观察和小檗碱的含量测定,为三棵针的合理应用提供依据。     

The Effect of Berberis Vulgaris Extract on Transaminase Activities in Non-Alcoholic Fatty Liver Disease

Background:

Non-alcoholic fatty liver disease (NAFLD) is the most prevalent liver disorder in western countries and an important cause of liver cirrhosis, as well as liver failure. Up to now, 20‒40% of the individuals suffer from this disorder and its prevalence is estimated around 5‒30% in Asia. The NAFLD is one of the most prevalent causes for increases in liver enzymes and has a close relationship with obesity, dyslipidemia, hypertension, and type II diabetes. However, no definite treatment has been identified for it yet.

Objectives:

The present study aimed to investigate the effect of berberis vulgaris extract in inducing changes in liver enzymes levels.

Patients and Methods:

The present clinical trial was conducted on 80 patients, including 32 males (40%) and 48 females (60%), who were randomly assigned into two groups of case and control. All the patients had ultrasound evidence of lipid accumulation in the liver and increases in liver enzymes. The case group received two capsules (750 mg) containing berberis vulgaris extract every day for 3 months, while the control group was treated with placebo. The weight, liver transaminases levels and lipid profiles of the two groups were assessed before, during, and after the study.

Results:

In the case group, the mean serum levels of alanine transaminase (ALT) and aspartate transaminase (AST) decreased from 49 to 27.48 and 48.22 to 29.8 u/L, respectively, which was statistically significant compared to the control group (P < 0.001, P < 0.001). In the control group, the mean of ALT and AST decreased from 50.4 to 46.8 and 45.7 to 44.9 u/L, respectively. The difference was not statistically significant. In addition, a significant decrease was observed in weight, triglycerides, and cholesterol, while no significant change was found in fasting blood sugar, high-density lipoprotein cholesterol (HDL-C), and low-density lipoprotein cholesterol (LDL).

Conclusions:

Considering the significant decrease in the liver enzymes, triglycerides and cholesterol after using berberis vulgaris extract, further studies with larger sample sizes will identify the accurate dose as well as duration of consumption for this extract, to recommend in the treatment of patients with NAFLD.