WANG Ming-fang, MENG Xiang-long, HE Mei-jing, et al. Discussion on Feasibility of Halloysitum Rubrum and Limonitum as Substitutes of Terra Flava Usta[J]. Chinese journal of experimental traditional medical formulae, 2017, 23(6): 23-27.
DOI:
WANG Ming-fang, MENG Xiang-long, HE Mei-jing, et al. Discussion on Feasibility of Halloysitum Rubrum and Limonitum as Substitutes of Terra Flava Usta[J]. Chinese journal of experimental traditional medical formulae, 2017, 23(6): 23-27. DOI: 10.13422/j.cnki.syfjx.2017060023.
Discussion on Feasibility of Halloysitum Rubrum and Limonitum as Substitutes of Terra Flava Usta
Objective: To discuss on feasibility of Halloysitum Rubrum and Limonitum as substitutes of Terra Flava Usta by comparing their pyrolysis characteristics and infrared spectral similarity. Method: Pyrolysis characteristics was analyzed by thermogravimetric differential thermal analysis.Infrared spectrum test was employed potassium bromide tabletting method with the spectral resolution of 4 cm-1 and the measurement range of 4 000-500 cm-1
the data were handled by the Ominc software for automatic baseline correction
smooth and ordinate normalization.Data processing and charting were done with Origin 8.0 software. Result: Pyrolysis characteristics of Halloysitum Rubrum
Limonitum and Terra Flava Usta in 400-600℃ all showed a period of weightlessness steps;however
the pyrolysis characteristics of Halloysitum Rubrum and Limonitum did not show the complexity of pyrolysis characteristics of Terra Flava Usta.Taking Terra Flava Usta as the control
similarity values of Halloysitum Rubrum and Limonitum were relatively low
but similarity values between Limonitum and Terra Flava Usta were at the medium level. Conclusion: In terms of pyrolysis characteristics and infrared spectral similarity
Limonitum is more suitable for a substitute of Terra Flava Usta by comparing with Halloysitum Rubrum.
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Related Author
XUE Yanhua
ZHANG Jinlian
LE Haiping
CHEN Huashi
YAN Shihao
ZHAO Beibei
GONG Wenhui
WEN Jiawen
Related Institution
Jiangxi University of Chinese Medicine
Jianchangbang Pharmaceutical Co. Ltd.
Hubei University of Chinese Medicine
School of Pharmacy,Jiangsu Collaborative Innovation Center of Chinese Medicinal Resources Industrialization,National and Local Collaborative Engineering Center of Chinese Medicinal Resources Industrialization and Formulae Innovative Medicine,State Administration of Traditional Chinese Medicine Key Laboratory of Chinese Medicinal Resources Recycling Utilization,Nanjing University of Chinese Medicine
Institute of Chinese Materia Medica,China Academy of Chinese Medical Sciences