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ENGLISH ABSTRACT
JOURNAL ARTICLE
[Identification of triacylglycerols in coix oil by high performance liquid chromatography-atmospheric pressure chemical ionization-mass spectrometry].
Zhongguo Zhong Yao za Zhi = Zhongguo Zhongyao Zazhi = China Journal of Chinese Materia Medica 2005 September
OBJECTIVE: To identify triacylglycerols in coix oil.
METHOD: High performance liquid chromatography-atmospheric pressure chemical ionization-mass spectrometry was used for identification. The experiment was operated under the conditions: spray voltage at 3 000 V, capillary temperature at 250 degrees C, APCI vaporizer temperature at 400 degrees C, and corona current of 4 microA. Sheath gas pressure (high purity liquid nitrogen) was 35 kPa. Mass spectra were obtained over the m/e range of 300 to 900 amu, scan duration of 1s and Q1 peak width at 0.7. The stationary phase was Zorbax Extend C18 column (4.6 mm x 250 mm, 5 microm). The mobile phase: dichloromethane-acetonitrile (35:65), flow rate: 1 mL x min(-1); column temperature: 25 degrees C.
RESULT: 12 triacylglycerols were identified by HPLC-MS method.
CONCLUSION: The result can be used to identify the components in a fingerprint chromatogram of coix oil and its related injection product.
METHOD: High performance liquid chromatography-atmospheric pressure chemical ionization-mass spectrometry was used for identification. The experiment was operated under the conditions: spray voltage at 3 000 V, capillary temperature at 250 degrees C, APCI vaporizer temperature at 400 degrees C, and corona current of 4 microA. Sheath gas pressure (high purity liquid nitrogen) was 35 kPa. Mass spectra were obtained over the m/e range of 300 to 900 amu, scan duration of 1s and Q1 peak width at 0.7. The stationary phase was Zorbax Extend C18 column (4.6 mm x 250 mm, 5 microm). The mobile phase: dichloromethane-acetonitrile (35:65), flow rate: 1 mL x min(-1); column temperature: 25 degrees C.
RESULT: 12 triacylglycerols were identified by HPLC-MS method.
CONCLUSION: The result can be used to identify the components in a fingerprint chromatogram of coix oil and its related injection product.
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