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In the summer of , the new Sonderdienst battalions were formed in place of Selbstschutz and assigned to the head of the civil administration in the new Gau. Sorry, we couldn't find any pages containing. Different compositions of mobile phase were tried to obtain chromatograms with good resolution of adjacent peaks.

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Volksdeutscher Selbstschutz Selbstschutz leaders in Bydgoszcz at the time of the Bydgoszcz massacres of both Jewish and non-Jewish Poles from left to right: Volksdeutsche and Hauptamt Volksdeutsche Mittelstelle. Selbstschutz shooters escorting Polish teachers to the Valley of Death , Bydgoszcz. Mapa serwisu — via Internet Archive. In both Austria and Czechoslovakia the Nazi conspirators planned to undermine the will to resist by propaganda and by Fifth Column activities, while the actual military preparations were being developed.

Retrieved May 1, PDF cache archived by WebCite. Reinhard Heydrich Ernst Kaltenbrunner. Retrieved from " https: Articles with Polish-language external links Articles containing German-language text. Views Read Edit View history. In other projects Wikimedia Commons. This page was last edited on 28 November , at HPLC Chromatograms of a mixed standards: At least six concentrations of the eleven analytes solution were analyzed in triplicate, and then the calibration curve of each analyte was constructed by plotting the peak area versus the concentration.

The calculated results are shown in Table 3. The working solutions of the analytes were further diluted with methanol to a series of appropriate concentrations. The values can be seen in Table 3. The intra- and inter-day precisions were determined by analyzing known concentrations of the eleven analytes in six replicates during a single day and by duplicating the experiments on five consecutive days.

Variations were expressed by the relative standard deviations R. The results are shown in Table 3 , where it can be seen that the intra- and inter-day R. The recovery test was used to evaluate the accuracy of the method by adding three known amounts of individual standards to a certain amount 0. Three replicates were performed for the test.

The mixture was extracted and analyzed with the proposed method. The average percent recoveries were evaluated by calculating the ratio of the detected amount versus the added amount. The recovery of the method was in the range of The results show that the method is accurate. Recoveries for the assay of eleven lignans in Schisandra chinensis a.

Stability of a sample solution was tested at room temperature when the sample solution was protected from sunlight. The sample solution was analyzed in triplicate every 12h over a period of 72h. The analytes were found to be very stable in methanol solution R. The method was applied to simultaneously determine eleven characteristic lignans in 22 samples of S.

The contents of the eleven compounds in the samples were quantified and the results of the mean values of three replicate injections are shown in Table 5. Among the analyzed compounds, the content of Schisandrin 1 was the highest in most of the samples. Significant variation in the total content of lignans was found in 22 samples of S. The highest content obtained was This study describes the development of an HPLC-UV method for simultaneous determination of the eleven characteristic lignans in 22 samples from different sources of S.

The qualitative and quantitative method for the quality control of bioactive lignans of S. High linearity, repeatability, intra-day and inter-day assay precision, accuracy and reliability were presented in the method validation procedures. The proposed method is promising to improve the quality control of S. Moreover, based on this multi-components assay method, further studies of, phytochemical pharmacokinetic and statistics are expected to follow.

National Center for Biotechnology Information , U. Journal List Pharmacogn Mag v. Author information Article notes Copyright and License information Disclaimer. This is an open-access article distributed under the terms of the Creative Commons Attribution-Noncommercial-Share Alike 3. Schisandra chinensis , lignans, quality control, high-performance liquid chromatography. Open in a separate window. Plant materials The 22 samples of S.

Table 1 Details of the herbal materials collected. Preparation of sample The sample was pulverized and the powder was screened through 60 mesh sieves.