JIN Wen-hui,ZHANG Yi-ping,CHEN Wei-zhu,et al.Development of Fucosterol Certified Reference Material[J].Chinese Journal of Experimental Traditional Medical Formulae,2021,27(24):131-137.
JIN Wen-hui,ZHANG Yi-ping,CHEN Wei-zhu,et al.Development of Fucosterol Certified Reference Material[J].Chinese Journal of Experimental Traditional Medical Formulae,2021,27(24):131-137. DOI: 10.13422/j.cnki.syfjx.20211771.
Development of Fucosterol Certified Reference Material
According to the GB/T 15000.3-2008, to develop a fucosterol certified reference material based on the project approved by Standardization Administration.
Method
2
Fucosterol was isolated from
Laminaria japonica
dried thallus via 95% ethanol extraction, vacuum concentration, repeated column chromatography separation, recrystallization in petroleum ether-ethyl acetate, and residual solvent removal. Its chemical structure was identified by elemental analysis (EA), infrared spectrum (IR), mass spectrometry (MS), nuclear magnetic resonance (NMR) and X-ray diffraction (XRD). Its homogeneity, stability, and cooperative certification conducted by 8 laboratories were carried out by high performance liquid chromatography with evaporative light scattering detector.
Result
2
For the fucosterol reference material, the certified value of purity was 99.54% with expanded uncertainty of 0.16% in confidence interval of 95%, the stability was good within 24 months storage period at 2-4 ℃, which met the technical requirements of reference material and passed the acceptance organized by Standardization Administration.
Conclusion
2
The national standard materials of fucosterol has been successfully developed, which can be used for the determination of this component, the evaluation of detection methods, and the detection and quality control of related products.
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Related Author
MA Yu-cui
WANG Chun
WANG Wei
WU Cui
DU Ning
LI Hui
CHAO Zhi-mao
LIU Hai-ping
Related Institution
School of TCM,Capital Medical University
Hospital of Chengdu University of Traditional Chinese Medicine(TCM)
Xinyang Agriculture and Forestry University
Henan Provincial Engineering Technology Research Center for Quality Control and Evaluation of Traditional Chinese Medicine,Henan University of Chinese Medicine
Pharmacy Faculty,Hubei Engineering Technology Research Center of Chinese Medicine Processing,Hubei University of Chinese Medicine