[Determination of 1-deoxynojirimycin in Morus alba L. leaves using reversed-phase high performance liquid chromatography fluorescence detection with pre-column derivatization]. 2008

Huiming Xie, and Fangrui Wu, and Yi Yang, and Jie Liu
Engineering Research Center of Bio-Process, Ministry of Education, Hefei University of Technology, Hefei 230009, China.

A rapid, reliable and suitable method for the determination of 1-deoxynojirimycin (DNJ) in Morus alba L. leaves has been developed. The DNJ in 100 mg dried leaves was extracted twice with 10 mL aqueous 0.05 mol/L HCl, then derivatized by 6-aminoquinoiyi-N-hydroxysuccinimidyl carbamate (AQC) in K3BO3 buffer (pH 8.5), and analyzed using a high performance liquid chromatograph equipped with a fluorescence detector. The analyte was eluted with a mobile phase of 0.02 mol/L potassium dihydrogen phosphate buffer-acetonitrile (85: 15, v/v) at the rate of 1.0 mL/min. The derivatized DNJ was well dissolved from the hydrolysis products of AQC. The linearity ranged from 0.5 to 25 mg/L, and the detection limit was 0.02 mg/L (S/N = 3). The content of DNJ in Morus alba L. leaves was 0.12%, the recovery was 96.1%-98.6%.

UI MeSH Term Description Entries
D002138 Calibration Determination, by measurement or comparison with a standard, of the correct value of each scale reading on a meter or other measuring instrument; or determination of the settings of a control device that correspond to particular values of voltage, current, frequency or other output. Calibrations
D013050 Spectrometry, Fluorescence Measurement of the intensity and quality of fluorescence. Fluorescence Spectrophotometry,Fluorescence Spectroscopy,Spectrofluorometry,Fluorescence Spectrometry,Spectrophotometry, Fluorescence,Spectroscopy, Fluorescence
D013997 Time Factors Elements of limited time intervals, contributing to particular results or situations. Time Series,Factor, Time,Time Factor
D015203 Reproducibility of Results The statistical reproducibility of measurements (often in a clinical context), including the testing of instrumentation or techniques to obtain reproducible results. The concept includes reproducibility of physiological measurements, which may be used to develop rules to assess probability or prognosis, or response to a stimulus; reproducibility of occurrence of a condition; and reproducibility of experimental results. Reliability and Validity,Reliability of Result,Reproducibility Of Result,Reproducibility of Finding,Validity of Result,Validity of Results,Face Validity,Reliability (Epidemiology),Reliability of Results,Reproducibility of Findings,Test-Retest Reliability,Validity (Epidemiology),Finding Reproducibilities,Finding Reproducibility,Of Result, Reproducibility,Of Results, Reproducibility,Reliabilities, Test-Retest,Reliability, Test-Retest,Result Reliabilities,Result Reliability,Result Validities,Result Validity,Result, Reproducibility Of,Results, Reproducibility Of,Test Retest Reliability,Validity and Reliability,Validity, Face
D017485 1-Deoxynojirimycin An alpha-glucosidase inhibitor with antiviral action. Derivatives of deoxynojirimycin may have anti-HIV activity. 1,5-Deoxy-1,5-imino-D-mannitol,1-Deoxymannojirimycin,1,5-Dideoxy-1,5-imino-D-mannitol,1-Deoxynojirimycin Hydrochloride,Bay n 5595,Moranoline,1 Deoxymannojirimycin,1 Deoxynojirimycin,1 Deoxynojirimycin Hydrochloride
D056148 Chromatography, Reverse-Phase A chromatography technique in which the stationary phase is composed of a non-polar substance with a polar mobile phase, in contrast to normal-phase chromatography in which the stationary phase is a polar substance with a non-polar mobile phase. Chromatography, Reversed-Phase Liquid,Reversed-Phase Chromatography,Reversed-Phase Liquid Chromatography,Reverse-Phase Chromatography,Reverse-Phase Liquid Chromatography,Chromatography, Reverse Phase,Chromatography, Reversed-Phase,Reverse Phase Chromatography,Reversed Phase Chromatography
D018515 Plant Leaves Expanded structures, usually green, of vascular plants, characteristically consisting of a bladelike expansion attached to a stem, and functioning as the principal organ of photosynthesis and transpiration. (American Heritage Dictionary, 2d ed) Plant Leaf,Leaf, Plant,Leave, Plant,Leaves, Plant,Plant Leave
D031625 Morus A plant genus of the family MORACEAE that is widely planted for shade. Mulberry,Mulberries

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