Fast Identification of Cyathula officinalis and Its Adulterant and Doped Adulterant Based on Properties and Foam Test

Chong-jing SHI; Zhong-qin CHENG; Xiao-mei LIU; Shan-shan WANG; Qiang-hua YUAN; Li LIU; Ying SONG

doi:10.13422/j.cnki.syfjx.20182121

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Fast Identification of Cyathula officinalis and Its Adulterant and Doped Adulterant Based on Properties and Foam Test

Resource and Quality Evaluation | 更新时间：2021-02-09

- Fast Identification of Cyathula officinalis and Its Adulterant and Doped Adulterant Based on Properties and Foam Test
- Chinese Journal of Experimental Traditional Medical Formulae Vol. 25, Issue 5, Pages: 173-179(2019)
- 作者机构：
  
  1.成都中医药大学，成都　 610075；
  2.成都中医药大学　附属医院，成都　 610075
- 作者简介：
- 基金信息：
- DOI：10.13422/j.cnki.syfjx.20182121
  CLC： R284.1;R282.5;R289;R22
- Received：06 May 2018，
  
  Published Online：25 August 2018，
  
  Published：05 March 2019
- 稿件说明：
移动端阅览
Chong-jing SHI, Zhong-qin CHENG, Xiao-mei LIU, et al. Fast Identification of Cyathula officinalis and Its Adulterant and Doped Adulterant Based on Properties and Foam Test[J]. Chinese journal of experimental traditional medical formulae, 2019, 25(5): 173-179.
DOI：

Chong-jing SHI, Zhong-qin CHENG, Xiao-mei LIU, et al. Fast Identification of Cyathula officinalis and Its Adulterant and Doped Adulterant Based on Properties and Foam Test[J]. Chinese journal of experimental traditional medical formulae, 2019, 25(5): 173-179. DOI： 10.13422/j.cnki.syfjx.20182121.

摘要

目的：

对川牛膝和伪品头花杯苋、杂牛膝及其掺伪品进行快速鉴别。

方法：

采用性状特征结合泡沫试验对川牛膝、伪品、掺伪品进行鉴别，其中性状特征方面，对形状、大小、质地、色泽、气、味6个方面进行观察及鼻嗅口尝，泡沫试验方面，以产生的泡沫体积为判断指标，对取样量、加水量、振摇时间、粉末粒度、水温、重复性、掺伪比例及其稳定性8个方面进行考察和验证。

结果：

性状特征方面，川牛膝及其伪品头花杯苋、杂牛膝在形状、大小、色泽、质地、气、味上均表现出较为明显的差异，尤其是伪品存有色红、味苦麻的专属性鉴别要点。泡沫试验方面，优选的泡沫试验参数为，称取待测样品粉末（过3号筛）0.3g，置具塞刻度试管中，加水10mL，密闭，用力上下振摇1min，静置5min，所得方法能鉴别出川牛膝、伪品和掺伪5%以上的掺伪品。川牛膝、伪品和不同比例的掺伪品产生的泡沫体积在5～30min内无变化，9h内略有下降，但幅度很小，且掺伪比例越高，产生泡沫的体积越大且稳定性越好。对8批川牛膝和8批伪品验证得出，川牛膝产生泡沫体积均<2mL，伪品均>13mL

5%掺伪品均>5mL，表现出统计学差异。综合性状特征结合泡沫试验，得出川牛膝真伪及掺伪的5个专属性鉴别要点。

结论：

通过5个专属性鉴别要点，性状特征结合泡沫试验能有效的将川牛膝和伪品头花杯苋、杂牛膝及其掺伪品鉴别区分，且具有准确、简易、时耗短、可行性强等特点，为川牛膝真伪及掺伪鉴别提供新的方法和参考依据。

Abstract

Objective:

To rapidly identify

Cyathula officinalis

and its adulterant

capitata

and

officinalis

capitata

and doped adulterant.

Method:

Properties combined with foam test method were used for identifying

officinalis

its adulterant and doped adulterant. In the aspect of properties

6 aspects including shape

size

texture

color

smell and taste

were observed

smelled and tasted. In the aspect of foam test

the volume of foam produced was used as the determination index to investigate the sample amount

water amount

shaking time

particle size

water temperature

repeatability

adulteration ratio and its stability.

Result:

In the aspect of properties

officinalis

and its adulterant showed obvious difference in the shape

size

color

texture

smell and taste

especially the red color and bitter taste of its adulterant. In the aspect of foam test

the optimum parameters were as follows: sample particle (screened with 3sieves) 0.3g

a test tube with plug and scale

water 10mL and airtight

forced shaking up and down for 1min

settling for 5min. Such method can be used to identify

officinalis

its adulterant and doped adulterant. The volume of foams produced by

officinalis

and its adulterant and different ratio of doped adulterant showed no change within 5-30min

slightly decreases after 9h; the higher adulteration ratio; the larger volume of foam and better stability. The 8 batches of

officinalis

and 8 batch of adulterants proved that the volume of the foams produced was all less than 2mL in the

officinalis

more than 13mL in the adulterant is

and more than 5mL in 5% doped adulterant

showing statistical difference. From the properties combined with foam test

5specific identification elements were obtained for identifying

officinalis

its adulterant and doped adulterant.

Conclusion:

Through the 5specific identification elements

the properties combined with foam test can be used to distinguish the

officinalis

from its adulterant

officinalis

and

officinalis

capitata

and doped adulterant

characterized by accuracy

simpleness

short time

low cost and feasibility. It can provide a new method and reference for identifying

officinalis

from its adulterant and doped adulterant.

关键词

Keywords

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