目的建立高效液相一测多评法(high performance liquid chromatography-quantitative analysis of multi-components by single marker,HPLC-QAMS)定量测定甘露消渴胶囊中毛蕊花糖苷、焦地黄苯乙醇苷B_(1)、东莨菪素、东莨菪苷、莫诺苷...目的建立高效液相一测多评法(high performance liquid chromatography-quantitative analysis of multi-components by single marker,HPLC-QAMS)定量测定甘露消渴胶囊中毛蕊花糖苷、焦地黄苯乙醇苷B_(1)、东莨菪素、东莨菪苷、莫诺苷、马钱苷、山茱萸新苷、泽泻醇F、泽泻醇A、24-乙酰泽泻醇A、23-乙酰泽泻醇B的含量,并结合化学计量学对3个厂家的产品质量进行评价。方法采用高效液相色谱仪,流动相选择乙腈-0.2%磷酸,色谱柱为Ultimate XB-C_(18)(250 mm×4.6 mm,5μm)进行梯度洗脱。检测波长分别为330 nm(检测毛蕊花糖苷、焦地黄苯乙醇苷B_(1)、东莨菪素、东莨菪苷)、240 nm(检测莫诺苷、马钱苷、山茱萸新苷)和208 nm(检测泽泻醇F、泽泻醇A、24-乙酰泽泻醇A、23-乙酰泽泻醇B)。以马钱苷为内参物,建立其他10种成分的相对校正因子,并计算各成分含量。采用SPSS 26.0统计软件对甘露消渴胶囊中11种成分含量测定结果进行聚类分析和主成分分析。结果毛蕊花糖苷、焦地黄苯乙醇苷B_(1)、东莨菪素、东莨菪苷、莫诺苷、马钱苷、山茱萸新苷、泽泻醇F、泽泻醇A、24-乙酰泽泻醇A、23-乙酰泽泻醇B分别在7.51~375.50、3.37~168.50、0.46~23.00、1.08~54.00、9.60~480.00、4.77~238.50、1.64~82.00、0.76~38.00、1.95~97.50、0.93~46.50和6.69~334.50μg·mL^(-1)范围内线性关系良好,相关系数(r=0.9991~0.9995),加样回收率及相应的RSD依次为99.11%(1.24%)、98.66%(1.45%)、97.71%(1.60%)、96.98%(0.93%)、100.20%(0.65%)、98.54%(1.18%)、97.90%(1.34%)、96.95%(1.07%)、98.47%(0.94%)、99.10%(0.89%)和100.08%(0.59%)。15批甘露消渴胶囊聚为3类,经主成分分析得4个主成分的累积贡献率达到85.338%。结论所建立的HPLC-QAMS法结合化学计量学可综合评价甘露消渴胶囊的质量。展开更多
Similarities play an important role in the reconstruction of human physical,cultural and technological evolution.The two sites presented in this paper,the Middle Palaeolithic site Lingjing in China Layer 10 and 11 and...Similarities play an important role in the reconstruction of human physical,cultural and technological evolution.The two sites presented in this paper,the Middle Palaeolithic site Lingjing in China Layer 10 and 11 and the Lower Palaeolithic site Schöningen 13Ⅱ-4,the socalled Schöningen Spear Horizon in Germany,show striking similarities.The archaeological record of both sites includes lithic artifacts as well as a very large assemblage of fossil bones.The preservation of the material at both sites is excellent and the faunas encountered at both sites show many similarities.The faunal lists of both sites include a diverse carnivore guild,an elephant species,two different rhinoceros species,two different equids,different cervids and large bovids.Both sites also yielded bone retouchers as well as a unique record of bone hammers that show identical,unusual flaking and percussion damage.These similarities are remarkable if one takes into account the difference in age(ca 200 kaBP)and the geographical distance between the two sites of ca 8000 km.Therefore,we do not assume a close cultural link between the hominin populations active at both sites.The authors assume that the observed similarities show more or less identical,opportunistic hominin behaviour at both sites located in a comparable environment with more or less similar taphonomic conditions.展开更多
文摘Similarities play an important role in the reconstruction of human physical,cultural and technological evolution.The two sites presented in this paper,the Middle Palaeolithic site Lingjing in China Layer 10 and 11 and the Lower Palaeolithic site Schöningen 13Ⅱ-4,the socalled Schöningen Spear Horizon in Germany,show striking similarities.The archaeological record of both sites includes lithic artifacts as well as a very large assemblage of fossil bones.The preservation of the material at both sites is excellent and the faunas encountered at both sites show many similarities.The faunal lists of both sites include a diverse carnivore guild,an elephant species,two different rhinoceros species,two different equids,different cervids and large bovids.Both sites also yielded bone retouchers as well as a unique record of bone hammers that show identical,unusual flaking and percussion damage.These similarities are remarkable if one takes into account the difference in age(ca 200 kaBP)and the geographical distance between the two sites of ca 8000 km.Therefore,we do not assume a close cultural link between the hominin populations active at both sites.The authors assume that the observed similarities show more or less identical,opportunistic hominin behaviour at both sites located in a comparable environment with more or less similar taphonomic conditions.
