As herbal medicines have an important position in health care systems worldwide, their current assessment and quality control are a major bottleneck.Cortex Phellodendri Chinensis and Cortex Phellodend
In this work, a sensitive E-DNA sensor based on avidin modified electrode and DNA-functionalized Au nanoparticle (DFNP) was developed.The DNA-Functionalized Au nanoparticle contained two kinds of DNA,
Type 1 diabetes is also called insulin-dependent diabetes or autoimmune diabetes means that the body destroys its own insulin-producing cells.In particular, the pancreas produces insufficient insulin
Statistical experimental designs provided by Design-Expert software were applied to optimize the extraction technology of total tannins from G.carolinianum L..A "Box-Behnken" Design was employed to ev
Introduction-Electronic nose (E-nose) is a technology that can provide a specific and holistic odor fingerprint of a Chinese medicinal herb (CMH).Based on this kind of odor fingerprint,E-nose could be
目的 测定吴茱萸中有效成分吴茱萸次碱的含量,结合 UPLC-UV指纹图谱方法评价不同品种及产地的吴茱萸药材质量,为控制市场上吴茱萸药材质量提供依据.方法 采用ACQUITYUPLC HSS T3色谱柱(2.1×100 mm,1.8 μm),乙腈-水为流动相,梯度洗脱,流速0.5 mL·min-1,检测波长210 nm,柱温25℃.收集了24批不同产地不同种吴茱萸样品进行有效成分吴茱萸次碱的含量测定
目的：分析不同产地不同商品规格西洋参中人参皂苷的含量，评价西洋参的化学信息，为其行业标准的制定提供试验依据.方法：采用UPLC测定主要活性成分人参皂苷Rg1、Re、Rb1、Rb2、Rb3、Rc、Rd、Rg2含量，用SPSS16.0软件进行统计分析.结果：建立了不同产地西洋参样品人参皂苷分布特征图谱；西洋参中Rg1、Re、Rb1、的含量之和符合《中国药典》的标准；方差分析表明产地、长度对同一个规格的