赤石脂和禹余粮作为灶心土替代品的分析

王明芳; 孟祥龙; 何美菁; 薛非非; 马俊楠; 李坤; 张朔生

doi:10.13422/j.cnki.syfjx.2017060023

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赤石脂和禹余粮作为灶心土替代品的分析

药剂与炮制 | 更新时间：2024-01-04

- 赤石脂和禹余粮作为灶心土替代品的分析
- Discussion on Feasibility of Halloysitum Rubrum and Limonitum as Substitutes of Terra Flava Usta
- 中国实验方剂学杂志 2017年23卷第6期页码：23-27
- 作者机构：
- 作者简介：
- 基金信息：
  
  山西省中药材、中药饮片地方标准研究项目（2014002B）
- DOI：10.13422/j.cnki.syfjx.2017060023
  中图分类号： R283.2
- 纸质出版日期：2017
- 稿件说明：
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王明芳, 孟祥龙, 何美菁, 等. 赤石脂和禹余粮作为灶心土替代品的分析[J]. 中国实验方剂学杂志, 2017,23(6):23-27.

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.
王明芳, 孟祥龙, 何美菁, 等. 赤石脂和禹余粮作为灶心土替代品的分析[J]. 中国实验方剂学杂志, 2017,23(6):23-27. DOI： 10.13422/j.cnki.syfjx.2017060023.

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.

摘要

目的：通过比较灶心土、赤石脂和禹余粮的热解特性及红外光谱相似度来探讨赤石脂、禹余粮替代灶心土的可行性。方法：热解特性研究采用热重差热综合热分析仪，取试样量（30±5）mg置于坩锅中，以10℃·min-1的升温速率、流量60 mL·min-1的恒定流速通入模拟空气[N2-O2（4：1）]，从室温升至900℃。红外光谱试验采用溴化钾压片法，光谱分辨率4 cm-1，测量范围4 000~500 cm-1，扫描信号累加32次，所得数据经Omnic软件进行自动基线校正、平滑及纵坐标归一化。数据处理及图表绘制采用Origin 8.0软件和Omnic软件完成。结果：比较热解特性发现灶心土、赤石脂、禹余粮的热解特性均在400~600℃处出现一段失重台阶；但整体而言，赤石脂与禹余粮热解特性没有体现出灶心土热解特性的复杂性；通过红外光谱相似度数值得出，以灶心土作为对照，赤石脂与灶心土相似度数值较偏低，禹余粮与与灶心土相似度数值处于中等水平。结论：就热解特性及红外光谱相似度而言，禹余粮与灶心土相似性较好，可能较赤石脂更适用作灶心土的替代品，为相关中药炮制辅料的研究提供参考。

Abstract

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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