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Identification and Characterization of the Composition of Glyceryl Mono- and Distearate from Six Different Sources by LC-TOF-MS
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Leilin CHEN1, Meng FU1, Qian ZHOU1, Shi BAO1, Yunjiao CAO2, Yufan WANG3, Haihong ZHA4, Chenxi LIU1, *, Min HU1, *
Chinese Pharmaceutical Journal | 2025, 60(9) : 995 - 999
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Chinese Pharmaceutical Journal | 2025, 60(9): 995-999
Identification and Characterization of the Composition of Glyceryl Mono- and Distearate from Six Different Sources by LC-TOF-MS
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Leilin CHEN1, Meng FU1, Qian ZHOU1, Shi BAO1, Yunjiao CAO2, Yufan WANG3, Haihong ZHA4, Chenxi LIU1, *, Min HU1, *
Affiliations
  • 1 Hubei Engineering Research Center for Drug Ouality Control, Hubei Institute for Drug Control, Wuhan 430075, China
  • 2 Hubei University of Chinese Medicine, Wuhan 430065, China
  • 3 HuBei Drug Administration Center for Drug Evaluation and Inspection, Wuhan 430077, China
  • 4 SCIEX, Analytical Instrument Trading Co., Ltd., Shanghai 200335, China
Published: 2025-05-01 doi: 10.11669/cpj.2025.09.012
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OBJECTIVE To identify the composition of glyceryl mono-and distearate (GMD) from different sources using an LC-TOF-MS method and compare the composition and proportion of glycerides in samples. METHODS A Kinetex C18 column (2.1 mm×100 mm, 2.6 μm) was used as analysis column. Methanol-acetonitrile-water(1∶1∶1, containing 5 mmol·L-1 ammonium acetate) was used as mobile phase A, and isopropanol(containing 5 mmol·L-1 ammonium acetate) was used as mobile phase B, gradient elution was performed at a flow rate of 0.3 mL·min-1. The analysis was carried out in ESI positive and negative ion full scanning(TIC) mode and quantified by area normalization method. RESULTS The composition and proportion of 19 fatty acid glycerides in six different sources of GMD showed significant differences in the composition and proportion of glycerides. CONCLUSION This method can be used to determine the composition and proportion of glycerides from different sources, thus contributing to the revelation of the internal mechanism affecting the quality equivalence of GMD.

glyceryl mono- and distearate  /  glyceryl palmitate  /  glyceryl stearate  /  LC-TOF-MS
Leilin CHEN, Meng FU, Qian ZHOU, Shi BAO, Yunjiao CAO, Yufan WANG, Haihong ZHA, Chenxi LIU, Min HU. Identification and Characterization of the Composition of Glyceryl Mono- and Distearate from Six Different Sources by LC-TOF-MS[J]. Chinese Pharmaceutical Journal, 2025 , 60 (9) : 995 -999 . DOI: 10.11669/cpj.2025.09.012
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Year 2025 volume 60 Issue 9
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doi: 10.11669/cpj.2025.09.012
  • Receive Date：2024-11-08
  • Online Date：2025-11-11
  • Published：2025-05-01
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  • Received：2024-11-08
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Affiliations
    1 Hubei Engineering Research Center for Drug Ouality Control, Hubei Institute for Drug Control, Wuhan 430075, China
    2 Hubei University of Chinese Medicine, Wuhan 430065, China
    3 HuBei Drug Administration Center for Drug Evaluation and Inspection, Wuhan 430077, China
    4 SCIEX, Analytical Instrument Trading Co., Ltd., Shanghai 200335, China
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
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鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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