Article(id=1239231266780934399, tenantId=1146029695717560320, journalId=1205117023404326918, issueId=1239231265254207730, articleNumber=null, orderNo=null, doi=10.16155/j.0254-1793.2023-0208, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1680796800000, receivedDateStr=2023-04-07, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1773385357804, onlineDateStr=2026-03-13, pubDate=1725033600000, pubDateStr=2024-08-31, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1773385357804, onlineIssueDateStr=2026-03-13, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1773385357804, creator=13701087609, updateTime=1773385357804, updator=13701087609, issue=Issue{id=1239231265254207730, tenantId=1146029695717560320, journalId=1205117023404326918, year='2024', volume='44', issue='8', pageStart='1285', pageEnd='1462', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=0, articleOrder=1, issueType=-1, specialIssue=null, createTime=1773385357440, creator=13701087609, updateTime=1773385579800, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1239232197937393856, tenantId=1146029695717560320, journalId=1205117023404326918, issueId=1239231265254207730, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1239232197937393857, tenantId=1146029695717560320, journalId=1205117023404326918, issueId=1239231265254207730, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=1310, endPage=1319, ext={EN=ArticleExt(id=1239231266990649602, articleId=1239231266780934399, tenantId=1146029695717560320, journalId=1205117023404326918, language=EN, title=Quality control study of isoflavones in Iris tectorum Maxim., columnId=1239148838318043851, journalTitle=Chinese Journal of Pharmaceutical Analysis, columnName=Ingredient Analys, runingTitle=null, highlight=null, articleAbstract=
Objective:

To establish methods of thin-layer chromatography(TLC) qualitative identification and quantitative analysis of multi-components by single-marker (QAMS) according to the characterization results of the main components of Iris tectorum Maxim..

Methods:

Firstly,the main components of Iris tectorum were characterized by ultra performance liquid chromatography tandem time-of-flight mass spectrometry(UPLC-Q TOF MS/MS) technology,using an ACQUITY UPLC® BEH C18 column (100 mm×2.1 mm,1.7 μm) with gradient elution using 0.1% formic acid-water (A)-acetonitrile (B) as mobile phase,and the data were collected in positive ion mode. In addition,the qualitative identification method was established by the TLC. Finally,quantitative analysis was performed on an Agilent 5 TC-C18 column (250 mm×4.6 mm,5 μm). The mobile phase was 0.05% phosphoric acid water(A)-acetonitrile(B) with gradient elution. The QAMS method was established by using tectorigenin as an internal standard to establish its relative correction factor with tectoridin and irigenin,and the contents of three isoflavones were calculated by the correction factor. At the same time,the accuracy and feasibility of the QAMS method was verified by the external standard method(ESM).

Results:

Five isoflavones were characterized (tectoridin,iristectorin B,tectorigenin,irigenin and iristectorigenin A) by UPLC-Q TOF MS/MS. A TLC identification method for four components,tectoridin,iristectorin B,tectorigenin and irigenin was established. In this study,the linearity of the three components of tectoridin,tectorigenin and irigenin were good in a certain concentration range (r>0.999),with the average recoveries of 97.7%-100.8% and the RSDs of 1.1%-2.9%,and the relative correction factors of tectoridin and irigenin were 1.114 5 and 0.827 0,respectively. And the repeatability of the correction factors was good under different experimental conditions (RSD<5%). There was no significant difference between the contents of the three analytes in ten different batches of Iris tectorum determined by QAMS and ESM. The contents of tectorigenin,tectoridin and irigenin in 10 batches of Iris tectorum from different habitats determined by QAMS were not significantly different from those determined by ESM.

Conclusion:

Based on the characterized components of Iris tectorum medicinal materials,the TLC and QAMS methods with high-content and stable ingredients are established. The methods are simple and stable,which can be used for qualitative and quantitative analysis and quality evaluation of Iris tectorum.

, correspAuthors=Yan-ru LIU, Jin-ao DUAN, Zhi-shu TANG, authorNote=null, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, authorCompany=null, fund=null, authors=null, authorsList=Ji HE, Yan-ru LIU, Jin-ao DUAN, Zhi-shu TANG, Zhong-xing SONG, Yan-ting ZHAO, Xue-lian YOU, De-zhu ZHANG, Guo-wei YANG), CN=ArticleExt(id=1239231268202803511, articleId=1239231266780934399, tenantId=1146029695717560320, journalId=1205117023404326918, language=CN, title=青蛙七中异黄酮类成分质量控制研究*, columnId=1206272756476342615, journalTitle=药物分析杂志, columnName=成分分析, runingTitle=null, highlight=null, articleAbstract=
目的:

依据对青蛙七主要成分的表征结果,建立青蛙七薄层色谱(TLC)定性鉴别方法及一测多评(QAMS)的含量测定方法。

方法:

首先,采用超高效液相色谱-四极杆-飞行时间质谱联用(UPLC-Q TOF MS/MS)技术对青蛙七的主要成分进行表征,使用ACQUITY UPLC®BEH C18(100 mm×2.1 mm,1.7 μm)色谱柱,以0.1%甲酸水溶液(A)-乙腈溶液(B)为流动相进行梯度洗脱,正离子模式下采集信息;其次,通过TLC建立定性鉴别方法;最后,建立QAMS方法,采用Agilent 5 TC-C18(250 mm×4.6 mm,5 μm)色谱柱,流动相为0.05%磷酸水(A)-乙腈(B),梯度洗脱,以鸢尾黄素为内参物,建立其与鸢尾苷及野鸢尾黄素的相对校正因子,并通过校正因子计算3个异黄酮类成分的含量。同时与外标法(ESM)进行比较,以验证QAMS法的准确性和可行性。

结果:

UPLC-Q TOF MS共表征出青蛙七中5个含量较高的异黄酮类成分(鸢尾苷、鸢尾甲苷B、鸢尾黄素、野鸢尾黄素、鸢尾黄酮A)。建立了鸢尾苷、鸢尾甲苷B、鸢尾黄素、野鸢尾黄素4个成分的TLC鉴别法。在一定的浓度范围内,鸢尾苷、鸢尾黄素、野鸢尾黄素3个成分线性关系良好(r>0.999),平均加样回收率为97.7%~100.8%,RSD为1.1%~2.9%,鸢尾苷、野鸢尾黄素的相对校正因子分别为1.114 5、0.827 0,在不同试验条件下重现性良好(RSD<5%);采用QAMS法测定的10个不同产地青蛙七中3个成分含量与ESM的实测值之间无显著性差异。

结论:

以表征的青蛙七药材的成分为基础,选择含量较高且稳定的成分建立的TLC和QAMS方法简便、稳定,可用于青蛙七药材定性定量分析及质量评价。

, correspAuthors=刘妍如, 段金廒, 唐志书, authorNote=null, correspAuthorsNote=
** 刘妍如 Tel:(029)38182207;E-mail:
段金廒 Tel:(025)85811291;E-mail:
唐志书 Tel:(010)64089180;E-mail:
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Tel:(029)38182207;E-mail:

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articleId=1239231266780934399, companyId=1239231270048297317, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=5.山西省检验检测中心(山西省标准计量技术研究院),太原 030002)])], figs=[ArticleFig(id=1239231275890963058, tenantId=1146029695717560320, journalId=1205117023404326918, articleId=1239231266780934399, language=EN, label=Fig.1, caption=TIC chromatogram(A) and MS/MS spectra(B-F) of 5 characterized components in Iris tectorum under positive ion mode, figureFileSmall=UGT/dZbSCIclQpqzFIKrGQ==, figureFileBig=BAUXL59vWr3psUzaN90v7g==, tableContent=null), ArticleFig(id=1239231276012597879, tenantId=1146029695717560320, journalId=1205117023404326918, articleId=1239231266780934399, language=CN, label=图1 , caption=青蛙七中5个异黄酮类成分表征正离子模式总离子流图(A)及MS/MS谱图(B~F)

A.总离子流图(TIC chromatogram) 1,B.鸢尾苷(tectoridin) 2,C.鸢尾甲苷B(iristectorin B) 3,D.鸢尾黄素(tectorigenin) 4,E.野鸢尾黄素(irigenin) 5,F.鸢尾黄酮A(iristectorigenin A)

, figureFileSmall=UGT/dZbSCIclQpqzFIKrGQ==, figureFileBig=BAUXL59vWr3psUzaN90v7g==, tableContent=null), ArticleFig(id=1239231276281033352, tenantId=1146029695717560320, journalId=1205117023404326918, articleId=1239231266780934399, language=EN, label=Fig.2, caption=TLC chromatograms for 10 batches of Iris tectorum Maxim, figureFileSmall=Vn48U5PrgLMvImBTpxzd3Q==, figureFileBig=/aNQ2t3Ubc6vE1K9UXeh4A==, tableContent=null), ArticleFig(id=1239231276385890960, tenantId=1146029695717560320, journalId=1205117023404326918, articleId=1239231266780934399, language=CN, label=图2 , caption=10批青蛙七的薄层鉴别图

1~10. 1~10号样品(batch samples No. 1-10) 11.鸢尾苷(tectoridin) 12.鸢尾甲苷B(iristectorin B) 13.鸢尾黄素(tectorigenin) 14.野鸢尾黄素(irigenin)

, figureFileSmall=Vn48U5PrgLMvImBTpxzd3Q==, figureFileBig=/aNQ2t3Ubc6vE1K9UXeh4A==, tableContent=null), ArticleFig(id=1239231276494942869, tenantId=1146029695717560320, journalId=1205117023404326918, articleId=1239231266780934399, language=EN, label=Fig.3, caption=Results of linear equations, linear ranges, limit of quantitation for three isoflavone components, figureFileSmall=iCbAEr7hvgJDCJBiyZtk3g==, figureFileBig=CdPEucWQpqBb5f/oUk7hhg==, tableContent=null), ArticleFig(id=1239231276599800476, tenantId=1146029695717560320, journalId=1205117023404326918, articleId=1239231266780934399, language=CN, label=图3 , caption=混合对照品(A)和青蛙七样品(B)的HPLC图谱

1.鸢尾苷(tectoridin) 2.鸢尾黄素(tectorigenin) 3.野鸢尾黄素(irigenin)

, figureFileSmall=iCbAEr7hvgJDCJBiyZtk3g==, figureFileBig=CdPEucWQpqBb5f/oUk7hhg==, tableContent=null), ArticleFig(id=1239231276692075173, tenantId=1146029695717560320, journalId=1205117023404326918, articleId=1239231266780934399, language=EN, label=Tab.1, caption=

Five main isoflavones in Iris tectorum

, figureFileSmall=null, figureFileBig=null, tableContent=
化合物名称
(compound name)
tR/min化学式
(molecular formula)
相对分子质量
(relative molecular mass )
碎片离子及结构信息
(fragment ion and structural information)m/z
鸢尾苷(tectoridin)14.01C22H22O11462.12463[M+H]+、301[M+H-Glu]+、286[M+H-Glu-CH3]+
鸢尾甲苷B(iristectorin B)14.97C23H24O12492.13493[M+H]+→331[M+H-Glu]+→316[M+H-Glu-CH3]→301[M+H-Glu-2CH3]+→273[M+H-rha-2CH3-CO]+→245[M+H-Glu-2CH3-2CO]+
鸢尾黄素(tectorigenin)19.31C16H12O6300.06301[M+H]+、286[M+H-CH3]+、258[M+H-CH3-CO]+、240[M+H-CH3-CO-H2O]+
野鸢尾黄素(irigenin)20.08C18H16O8360.08361[M+H]+、346[M+H-CH3]+、331[M+H-2CH3]+、303[M+H-2CH3-CO]+
鸢尾黄酮A(iristectorigenin A)20.12C17H14O7330.07331[M+H]+、316[M+H-CH3]+、301[M+H-2CH3]+、273[M+H-2CH3-CO]+
), ArticleFig(id=1239231276788544171, tenantId=1146029695717560320, journalId=1205117023404326918, articleId=1239231266780934399, language=CN, label=表1, caption=

青蛙七中5个主要的异黄酮类成分

, figureFileSmall=null, figureFileBig=null, tableContent=
化合物名称
(compound name)
tR/min化学式
(molecular formula)
相对分子质量
(relative molecular mass )
碎片离子及结构信息
(fragment ion and structural information)m/z
鸢尾苷(tectoridin)14.01C22H22O11462.12463[M+H]+、301[M+H-Glu]+、286[M+H-Glu-CH3]+
鸢尾甲苷B(iristectorin B)14.97C23H24O12492.13493[M+H]+→331[M+H-Glu]+→316[M+H-Glu-CH3]→301[M+H-Glu-2CH3]+→273[M+H-rha-2CH3-CO]+→245[M+H-Glu-2CH3-2CO]+
鸢尾黄素(tectorigenin)19.31C16H12O6300.06301[M+H]+、286[M+H-CH3]+、258[M+H-CH3-CO]+、240[M+H-CH3-CO-H2O]+
野鸢尾黄素(irigenin)20.08C18H16O8360.08361[M+H]+、346[M+H-CH3]+、331[M+H-2CH3]+、303[M+H-2CH3-CO]+
鸢尾黄酮A(iristectorigenin A)20.12C17H14O7330.07331[M+H]+、316[M+H-CH3]+、301[M+H-2CH3]+、273[M+H-2CH3-CO]+
), ArticleFig(id=1239231276872430257, tenantId=1146029695717560320, journalId=1205117023404326918, articleId=1239231266780934399, language=EN, label=Tab.2, caption=

Results of linear equations, linear ranges, limit of quantitation for three isoflavone components

, figureFileSmall=null, figureFileBig=null, tableContent=
成分
(component)
线性方程
(linear equation)
r线性范围
(linear range)/(μg·mL-1
定量限
(limit of quantitation)/(μg·mL-1
鸢尾苷(tectoridin)Y=27 734X-11 1590.999 717.48~66.670.46
鸢尾黄素(tectorigenin)Y=30 893X-4 5570.999 64.37~16.670.13
野鸢尾黄素(irigenin)Y=37 436X-1 730.900.999 70.72~6.670.24
), ArticleFig(id=1239231276989870779, tenantId=1146029695717560320, journalId=1205117023404326918, articleId=1239231266780934399, language=CN, label=表2, caption=

3个异黄酮类成分线性方程、线性范围、定量限结果

, figureFileSmall=null, figureFileBig=null, tableContent=
成分
(component)
线性方程
(linear equation)
r线性范围
(linear range)/(μg·mL-1
定量限
(limit of quantitation)/(μg·mL-1
鸢尾苷(tectoridin)Y=27 734X-11 1590.999 717.48~66.670.46
鸢尾黄素(tectorigenin)Y=30 893X-4 5570.999 64.37~16.670.13
野鸢尾黄素(irigenin)Y=37 436X-1 730.900.999 70.72~6.670.24
), ArticleFig(id=1239231277065368257, tenantId=1146029695717560320, journalId=1205117023404326918, articleId=1239231266780934399, language=EN, label=Tab.3, caption=

The mean slope of the standard curve of tectorigenin and irigenin

, figureFileSmall=null, figureFileBig=null, tableContent=
标准曲线斜率平均值
(average of the slopes of the standard curver)
鸢尾苷
(tectoridin)
鸢尾黄素
(tectorigenin)
野鸢尾黄素
(irigenin)
平均值1(average 1)27 69130 86037 471
平均值2(average2)27 91031 12237 392
平均值3(average 3)27 73430 89337 436
), ArticleFig(id=1239231277161837255, tenantId=1146029695717560320, journalId=1205117023404326918, articleId=1239231266780934399, language=CN, label=表3, caption=

鸢尾苷及野鸢尾黄素的标准曲线斜率平均值

, figureFileSmall=null, figureFileBig=null, tableContent=
标准曲线斜率平均值
(average of the slopes of the standard curver)
鸢尾苷
(tectoridin)
鸢尾黄素
(tectorigenin)
野鸢尾黄素
(irigenin)
平均值1(average 1)27 69130 86037 471
平均值2(average2)27 91031 12237 392
平均值3(average 3)27 73430 89337 436
), ArticleFig(id=1239231277279277774, tenantId=1146029695717560320, journalId=1205117023404326918, articleId=1239231266780934399, language=EN, label=Tab.4, caption=

Effects of different wavelengths on relative correction factors

, figureFileSmall=null, figureFileBig=null, tableContent=
波长
(wavelength)/nm
f鸢尾黄素/鸢尾苷
ftectorigenin/tectoridin
f鸢尾黄素/野鸢尾黄素
ftectorigenin/irigenin
2631.100 20.833 3
2641.103 10.828 6
2651.106 20.823 1
2661.107 50.815 5
2671.110 90.809 1
平均值(mean)1.105 60.821 9
STDEV0.004 10.009 8
RSD0.37%1.2%
), ArticleFig(id=1239231278772450006, tenantId=1146029695717560320, journalId=1205117023404326918, articleId=1239231266780934399, language=CN, label=表4, caption=

不同波长对相对校正因子的影响

, figureFileSmall=null, figureFileBig=null, tableContent=
波长
(wavelength)/nm
f鸢尾黄素/鸢尾苷
ftectorigenin/tectoridin
f鸢尾黄素/野鸢尾黄素
ftectorigenin/irigenin
2631.100 20.833 3
2641.103 10.828 6
2651.106 20.823 1
2661.107 50.815 5
2671.110 90.809 1
平均值(mean)1.105 60.821 9
STDEV0.004 10.009 8
RSD0.37%1.2%
), ArticleFig(id=1239231278852141788, tenantId=1146029695717560320, journalId=1205117023404326918, articleId=1239231266780934399, language=EN, label=Tab.5, caption=

Effects of different instruments on relative correction factors

, figureFileSmall=null, figureFileBig=null, tableContent=
仪器
(instrument)
f鸢尾黄素/鸢尾苷
ftectorigenin/tectoridin
f鸢尾黄素/野鸢尾黄素
ftectorigenin/irigenin
Waters e2695(SN:F14SM7551A)1.113 00.830 1
Waters e2695(SN:C20SM7392A)1.106 20.823 1
Waters e2695(SN:C20SM7400A)1.122 20.821 7
Agilent 1260(SN:DEAAC28906)1.178 30.823 7
Shimadzu LC-2030C 3D Plus(SN:L21455915050 AE)1.134 40.823 5
平均值(mean)1.130 80.824 4
STDEV0.028 60.003 2
RSD2.5%0.39%
), ArticleFig(id=1239231278965388008, tenantId=1146029695717560320, journalId=1205117023404326918, articleId=1239231266780934399, language=CN, label=表5, caption=

不同仪器对相对校正因子的影响

, figureFileSmall=null, figureFileBig=null, tableContent=
仪器
(instrument)
f鸢尾黄素/鸢尾苷
ftectorigenin/tectoridin
f鸢尾黄素/野鸢尾黄素
ftectorigenin/irigenin
Waters e2695(SN:F14SM7551A)1.113 00.830 1
Waters e2695(SN:C20SM7392A)1.106 20.823 1
Waters e2695(SN:C20SM7400A)1.122 20.821 7
Agilent 1260(SN:DEAAC28906)1.178 30.823 7
Shimadzu LC-2030C 3D Plus(SN:L21455915050 AE)1.134 40.823 5
平均值(mean)1.130 80.824 4
STDEV0.028 60.003 2
RSD2.5%0.39%
), ArticleFig(id=1239231279049274094, tenantId=1146029695717560320, journalId=1205117023404326918, articleId=1239231266780934399, language=EN, label=Tab.6, caption=

Effects of different columns on relative correction factors

, figureFileSmall=null, figureFileBig=null, tableContent=
色谱柱
(column)
f鸢尾黄素/鸢尾苷
ftectorigenin/tectoridin
f鸢尾黄素/野鸢尾黄素
ftectorigenin/irigenin
Agilent 5 TC-C18(SN:542144)1.102 40.823 3
Agilent 5 TC-C18(SN:480966)1.063 60.806 1
Agilent 5 TC-C18(SN:574377)1.105 30.823 7
Ultimate XB-C18(SN:60200303429)1.106 90.823 8
Diamonsil Plus-C18(SN:6012199)1.136 30.820 4
平均值(mean)1.102 90.819 5
STDEV0.025 90.007 6
RSD2.4%0.93%
), ArticleFig(id=1239231279116382967, tenantId=1146029695717560320, journalId=1205117023404326918, articleId=1239231266780934399, language=CN, label=表6, caption=

不同色谱柱对相对校正因子的影响

, figureFileSmall=null, figureFileBig=null, tableContent=
色谱柱
(column)
f鸢尾黄素/鸢尾苷
ftectorigenin/tectoridin
f鸢尾黄素/野鸢尾黄素
ftectorigenin/irigenin
Agilent 5 TC-C18(SN:542144)1.102 40.823 3
Agilent 5 TC-C18(SN:480966)1.063 60.806 1
Agilent 5 TC-C18(SN:574377)1.105 30.823 7
Ultimate XB-C18(SN:60200303429)1.106 90.823 8
Diamonsil Plus-C18(SN:6012199)1.136 30.820 4
平均值(mean)1.102 90.819 5
STDEV0.025 90.007 6
RSD2.4%0.93%
), ArticleFig(id=1239231279204463360, tenantId=1146029695717560320, journalId=1205117023404326918, articleId=1239231266780934399, language=EN, label=Tab.7, caption=

Effects of different instruments and columns on relative retention time

, figureFileSmall=null, figureFileBig=null, tableContent=
仪器
(instrument)
色谱柱
(column)
t鸢尾苷/鸢尾黄素
ttectorigenin/tectoridin
t野鸢尾黄素/鸢尾黄素
tectorigenin/irigenin
Waters e2695(SN:F14SM7551A)Agilent 5 TC-C18(SN:574377)0.364 21.041 1
Waters e2695(SN:C20SM7392A)0.373 41.039 4
Waters e2695(SN:C20SM7400A)0.373 51.029 9
Agilent 1260(SN:DEAAC28906)0.403 81.034 4
Shimadzu LC-2030C 3D Plus (SN:L21455915050 AE)0.395 61.036 3
Waters e2695(SN:F14SM7551A)Agilent 5 TC-C18(SN:542144)0.384 91.038 0
Agilent 5 TC-C18(SN:480966)0.358 61.051 7
Agilent 5 TC-C18(SN:574377)0.373 41.039 4
Ultimate XB-C18(SN:60200303429)0.347 91.042 0
Diamonsil Plus-C18(SN:6012199)0.350 51.040 1
平均值(mean)0.372 61.039 2
STDEV0.018 30.005 7
RSD4.9%0.54%
), ArticleFig(id=1239231279305126663, tenantId=1146029695717560320, journalId=1205117023404326918, articleId=1239231266780934399, language=CN, label=表7, caption=

不同仪器、色谱柱对相对保留时间的影响

, figureFileSmall=null, figureFileBig=null, tableContent=
仪器
(instrument)
色谱柱
(column)
t鸢尾苷/鸢尾黄素
ttectorigenin/tectoridin
t野鸢尾黄素/鸢尾黄素
tectorigenin/irigenin
Waters e2695(SN:F14SM7551A)Agilent 5 TC-C18(SN:574377)0.364 21.041 1
Waters e2695(SN:C20SM7392A)0.373 41.039 4
Waters e2695(SN:C20SM7400A)0.373 51.029 9
Agilent 1260(SN:DEAAC28906)0.403 81.034 4
Shimadzu LC-2030C 3D Plus (SN:L21455915050 AE)0.395 61.036 3
Waters e2695(SN:F14SM7551A)Agilent 5 TC-C18(SN:542144)0.384 91.038 0
Agilent 5 TC-C18(SN:480966)0.358 61.051 7
Agilent 5 TC-C18(SN:574377)0.373 41.039 4
Ultimate XB-C18(SN:60200303429)0.347 91.042 0
Diamonsil Plus-C18(SN:6012199)0.350 51.040 1
平均值(mean)0.372 61.039 2
STDEV0.018 30.005 7
RSD4.9%0.54%
), ArticleFig(id=1239231279389012748, tenantId=1146029695717560320, journalId=1205117023404326918, articleId=1239231266780934399, language=EN, label=Tab.8, caption=

Results of content determination of various constituents

, figureFileSmall=null, figureFileBig=null, tableContent=
批号
(batch)
鸢尾黄素
(tectoridin)/(g·g-1
鸢尾苷(tectorigenin)野鸢尾黄素(irigenin)
QAMS/(g·g-1)ESM/(g·g-1)RE/%QAMS/(g·g-1)ESM/(g·g-1)RE/%
202009100.030 20.095 70.096 0-0.300.006 40.006 4-0.54
202205010.013 70.072 90.072 01.140.001 90.001 9-0.60
202208020.031 80.100 40.100 9-0.500.006 80.006 90.97
202205020.028 80.091 90.092 2-0.310.006 10.006 1-0.48
202208030.014 40.077 10.076 11.310.002 10.002 00.82
202205030.029 10.091 80.092 1-0.320.006 20.006 2-0.49
202108020.014 40.076 70.076 00.910.002 10.002 10.83
202205300.029 00.091 50.091 9-0.360.006 10.006 2-0.49
202205040.028 90.091 20.091 6-0.350.006 10.006 2-0.48
202205050.013 10.069 30.068 41.260.001 90.001 91.09
), ArticleFig(id=1239231279472898835, tenantId=1146029695717560320, journalId=1205117023404326918, articleId=1239231266780934399, language=CN, label=表8, caption=

各成分含量测定结果

, figureFileSmall=null, figureFileBig=null, tableContent=
批号
(batch)
鸢尾黄素
(tectoridin)/(g·g-1
鸢尾苷(tectorigenin)野鸢尾黄素(irigenin)
QAMS/(g·g-1)ESM/(g·g-1)RE/%QAMS/(g·g-1)ESM/(g·g-1)RE/%
202009100.030 20.095 70.096 0-0.300.006 40.006 4-0.54
202205010.013 70.072 90.072 01.140.001 90.001 9-0.60
202208020.031 80.100 40.100 9-0.500.006 80.006 90.97
202205020.028 80.091 90.092 2-0.310.006 10.006 1-0.48
202208030.014 40.077 10.076 11.310.002 10.002 00.82
202205030.029 10.091 80.092 1-0.320.006 20.006 2-0.49
202108020.014 40.076 70.076 00.910.002 10.002 10.83
202205300.029 00.091 50.091 9-0.360.006 10.006 2-0.49
202205040.028 90.091 20.091 6-0.350.006 10.006 2-0.48
202205050.013 10.069 30.068 41.260.001 90.001 91.09
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青蛙七中异黄酮类成分质量控制研究*
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何姬 1 , 刘妍如 1, ** , 段金廒 2, ** , 唐志书 1, 3, ** , 宋忠兴 1 , 赵艳婷 1 , 游雪莲 1 , 张德柱 4 , 杨国伟 5
药物分析杂志 | 成分分析 2024,44(8): 1310-1319
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药物分析杂志 | 成分分析 2024, 44(8): 1310-1319
青蛙七中异黄酮类成分质量控制研究*
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何姬1 , 刘妍如1, ** , 段金廒2, ** , 唐志书1, 3, ** , 宋忠兴1, 赵艳婷1, 游雪莲1, 张德柱4, 杨国伟5
作者信息
  • 1.陕西中医药大学 陕西中药资源产业化省部共建协同创新中心,咸阳 712083
  • 2.南京中医药大学 江苏省中药资源产业化过程协同创新中心江苏省方剂高技术研究重点实验室,南京 210023
  • 3.中国中医科学院,北京 100700
  • 4.陕西盘龙药业集团股份有限公司,商洛 711400
  • 5.山西省检验检测中心(山西省标准计量技术研究院),太原 030002
  • Tel:(029)38182207;E-mail:

通讯作者:

** 刘妍如 Tel:(029)38182207;E-mail:
段金廒 Tel:(025)85811291;E-mail:
唐志书 Tel:(010)64089180;E-mail:
Quality control study of isoflavones in Iris tectorum Maxim.
Ji HE1 , Yan-ru LIU1, ** , Jin-ao DUAN2, ** , Zhi-shu TANG1, 3, ** , Zhong-xing SONG1, Yan-ting ZHAO1, Xue-lian YOU1, De-zhu ZHANG4, Guo-wei YANG5
Affiliations
  • 1.Shaanxi University of Chinese Medicine,Shaanxi Chinese Medicine Resources Industrialization Collaborative Innovation Center,Xianyang 712083,China
  • 2.Jiangsu Key Laboratory for High Technology Research of TCM Formulae Jiangsu Collaborative Innovation Center of Chinese Medicinal Resources Industrialization,Nanjing University of Chinese Medicine,Nanjing 210023,China
  • 3.China Academy of Chinese Medical Sciences,Beijing 100700,China
  • 4.Shaanxi Panlong Pharmaceutical Group Co.,Ltd.,Shangluo 711400,China
  • 5.Shanxi Inspection and Testing Center (Shanxi Institute of Standards and Metrology),Taiyuan 030002,China
出版时间: 2024-08-31 doi: 10.16155/j.0254-1793.2023-0208
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目的:

依据对青蛙七主要成分的表征结果,建立青蛙七薄层色谱(TLC)定性鉴别方法及一测多评(QAMS)的含量测定方法。

方法:

首先,采用超高效液相色谱-四极杆-飞行时间质谱联用(UPLC-Q TOF MS/MS)技术对青蛙七的主要成分进行表征,使用ACQUITY UPLC®BEH C18(100 mm×2.1 mm,1.7 μm)色谱柱,以0.1%甲酸水溶液(A)-乙腈溶液(B)为流动相进行梯度洗脱,正离子模式下采集信息;其次,通过TLC建立定性鉴别方法;最后,建立QAMS方法,采用Agilent 5 TC-C18(250 mm×4.6 mm,5 μm)色谱柱,流动相为0.05%磷酸水(A)-乙腈(B),梯度洗脱,以鸢尾黄素为内参物,建立其与鸢尾苷及野鸢尾黄素的相对校正因子,并通过校正因子计算3个异黄酮类成分的含量。同时与外标法(ESM)进行比较,以验证QAMS法的准确性和可行性。

结果:

UPLC-Q TOF MS共表征出青蛙七中5个含量较高的异黄酮类成分(鸢尾苷、鸢尾甲苷B、鸢尾黄素、野鸢尾黄素、鸢尾黄酮A)。建立了鸢尾苷、鸢尾甲苷B、鸢尾黄素、野鸢尾黄素4个成分的TLC鉴别法。在一定的浓度范围内,鸢尾苷、鸢尾黄素、野鸢尾黄素3个成分线性关系良好(r>0.999),平均加样回收率为97.7%~100.8%,RSD为1.1%~2.9%,鸢尾苷、野鸢尾黄素的相对校正因子分别为1.114 5、0.827 0,在不同试验条件下重现性良好(RSD<5%);采用QAMS法测定的10个不同产地青蛙七中3个成分含量与ESM的实测值之间无显著性差异。

结论:

以表征的青蛙七药材的成分为基础,选择含量较高且稳定的成分建立的TLC和QAMS方法简便、稳定,可用于青蛙七药材定性定量分析及质量评价。

青蛙七  /  超高效液相色谱-四极杆-飞行时间质谱联用  /  鸢尾苷  /  鸢尾甲苷B  /  鸢尾黄素  /  野鸢尾黄素  /  薄层色谱  /  一测多评法
Objective:

To establish methods of thin-layer chromatography(TLC) qualitative identification and quantitative analysis of multi-components by single-marker (QAMS) according to the characterization results of the main components of Iris tectorum Maxim..

Methods:

Firstly,the main components of Iris tectorum were characterized by ultra performance liquid chromatography tandem time-of-flight mass spectrometry(UPLC-Q TOF MS/MS) technology,using an ACQUITY UPLC® BEH C18 column (100 mm×2.1 mm,1.7 μm) with gradient elution using 0.1% formic acid-water (A)-acetonitrile (B) as mobile phase,and the data were collected in positive ion mode. In addition,the qualitative identification method was established by the TLC. Finally,quantitative analysis was performed on an Agilent 5 TC-C18 column (250 mm×4.6 mm,5 μm). The mobile phase was 0.05% phosphoric acid water(A)-acetonitrile(B) with gradient elution. The QAMS method was established by using tectorigenin as an internal standard to establish its relative correction factor with tectoridin and irigenin,and the contents of three isoflavones were calculated by the correction factor. At the same time,the accuracy and feasibility of the QAMS method was verified by the external standard method(ESM).

Results:

Five isoflavones were characterized (tectoridin,iristectorin B,tectorigenin,irigenin and iristectorigenin A) by UPLC-Q TOF MS/MS. A TLC identification method for four components,tectoridin,iristectorin B,tectorigenin and irigenin was established. In this study,the linearity of the three components of tectoridin,tectorigenin and irigenin were good in a certain concentration range (r>0.999),with the average recoveries of 97.7%-100.8% and the RSDs of 1.1%-2.9%,and the relative correction factors of tectoridin and irigenin were 1.114 5 and 0.827 0,respectively. And the repeatability of the correction factors was good under different experimental conditions (RSD<5%). There was no significant difference between the contents of the three analytes in ten different batches of Iris tectorum determined by QAMS and ESM. The contents of tectorigenin,tectoridin and irigenin in 10 batches of Iris tectorum from different habitats determined by QAMS were not significantly different from those determined by ESM.

Conclusion:

Based on the characterized components of Iris tectorum medicinal materials,the TLC and QAMS methods with high-content and stable ingredients are established. The methods are simple and stable,which can be used for qualitative and quantitative analysis and quality evaluation of Iris tectorum.

Iris tectorum Maxim.  /  UPLC-Q TOF MS/MS  /  tectoridin  /  iristectorin B  /  tectorigenin  /  irigenin  /  TLC  /  QAMS
何姬, 刘妍如, 段金廒, 唐志书, 宋忠兴, 赵艳婷, 游雪莲, 张德柱, 杨国伟. 青蛙七中异黄酮类成分质量控制研究*. 药物分析杂志, 2024 , 44 (8) : 1310 -1319 . DOI: 10.16155/j.0254-1793.2023-0208
Ji HE, Yan-ru LIU, Jin-ao DUAN, Zhi-shu TANG, Zhong-xing SONG, Yan-ting ZHAO, Xue-lian YOU, De-zhu ZHANG, Guo-wei YANG. Quality control study of isoflavones in Iris tectorum Maxim.[J]. Chinese Journal of Pharmaceutical Analysis, 2024 , 44 (8) : 1310 -1319 . DOI: 10.16155/j.0254-1793.2023-0208
青蛙七为鸢尾科植物鸢尾Iris tectorum Maxim.的根状茎,是“太白七药”之一[1],始载于《神农本草经》,异名有鸢根(出自《蜀本草》)、天蜈蚣(出自《湖南中草药》)、土知母(出自《四川中医药志》)等[2],其味苦、辛,性寒,有毒,具有消肿止痛,祛风湿,治疗关节炎等作用[3]。青蛙七作为盘龙七片中的组方药材,在抗风湿、治疗关节炎等临床功效中有着重要作用,引起广泛关注[4]。然而,有关青蛙七质量标准的研究较少[15-6],药材质量难以控制。本文首先采用UPLC-Q TOF MS/MS对青蛙七的主要成分进行分析,表征出鸢尾苷、鸢尾甲苷B、鸢尾黄素、野鸢尾黄素、鸢尾黄酮A 5个在抗炎镇痛方面具有显著效果的异黄酮类成分[7-10];选择其中含量较高且稳定的鸢尾苷、鸢尾甲苷B、鸢尾黄素、野鸢尾黄素4个成分建立TLC定性鉴别方法,同时建立鸢尾苷、鸢尾黄素、野鸢尾黄素的QAMS定量分析方法,以期完善青蛙七的质量控制标准。
Triple TOFTM 5600+三重四极杆飞行时间质谱仪(爱博才思公司);Agilent 1260 Infinity Ⅱ高效液相色谱仪(安捷伦公司);Waters e2695 Acquity H-CLASS高效液相色谱仪(沃特世公司);Shimadzu LC-2030C 3D Plus高效液相色谱仪(岛津公司);色谱柱ACQUITY UPLC® BEH C18(100 mm×2.1 mm,1.7 μm)(沃特世公司);色谱柱(Agilent 5 TC-C18、Diamonsil Plus-C18、Ultimate XB-C18)规格均为(250 mm×4.6 mm,5 μm)(安捷伦公司);CPA225D十万分之一电子天平(北京赛多利斯科学仪器有限公司);KQ-300DE型数控超声波清洗器(昆山市超声仪器有限公司);硅胶HSGF254预制板(烟台华阳新材料科技有限公司);硅胶HSGF254预制板(烟台江友新材料科技有限公司);薄层色谱硅胶GF254玻璃板(青岛海浪化工有限公司);聚酰胺薄膜(浙江台州路桥四甲生化塑料厂)。
对照品:鸢尾苷(CAS号611-40-5,批号MUST-21062204,纯度98.86%)、鸢尾黄素(CAS号548-77-6,批号MUST-21102607,纯度99.41%)均购自成都曼斯特生物科技有限公司;野鸢尾黄素(CAS号548-76-5,批号HR2214W3,纯度≥98%)、鸢尾甲苷B(CAS号94396-09-5,批号HR2657W1,纯度≥98%)均购自宝鸡辰光生物科技有限公司。
10批青蛙七样品(批号分别为20200910、20220501、20220802、20220502、20220803、20220503、20210802、20220530、20220504、20220505,编号1~10)分别采购于陕西省太白县、陕西省眉县、甘肃省成县、陕西省宁强县、甘肃省武都区、陕西省略阳县、甘肃省清水县、陕西省陈仓区、陕西省风县、陕西省太白县,经陕西中医药大学白吉庆教授鉴定为鸢尾科植物鸢尾Iris tectorum Maxim.的干燥根。
甲醇(分析纯,成都市科隆化学品有限公司);乙腈(色谱纯,默克公司);磷酸(批号STBH5476,西格玛奥德里奇公司);水为超纯水(密理博超纯水机制备)。
采用ACQUITY UPLC® BEH C18(100 mm×2.1 mm,1.7 μm)色谱柱,流动相为0.1%甲酸水溶液(A)-乙腈溶液(B),梯度洗脱(0~2 min,0.2%B→12%B;2~8 min,12%B→13%B;8~14 min,13%B→30%B;14~24 min,30%B→45%B),体积流量0.2 mL·min-1,柱温40 ℃,样量2 μL。
离子源为电喷雾离子源(ESI),正离子模式下,采用信息依赖采集、动态背景扣除和高灵敏度模式采集数据。离子扫描范围m/z 100~2 000,正离子模式下源喷射电压为5 500 V,裂解电压为80 V,碰撞能量为35 V,正离子模式下,雾化气和辅助气为氮气,皆为344.74 kPa,气帘气为241.32 kPa,雾化温度550 ℃。
青蛙七药材中5个异黄酮类成分表征正离子模式总离子流图及二级碎片MS/MS谱见图1。通过Peakview 2.2查看采集数据,以AB SCIEX master view 1.1.0.0中药成分数据库(TCM library 1.0)作为异黄酮成分匹配库。通过比对精确质量数、同位素峰度比以及碎片离子裂解规律等信息,初步从青蛙七中鉴定并确定了5个主要的异黄酮类成分(见表1)。
分别取鸢尾苷、鸢尾甲苷B、鸢尾黄素、野鸢尾黄素的对照品适量,加甲醇制成每1 mL含1 mg各成分的溶液,作为对照品溶液。
取样品粉末1 g,精密称量,置锥形瓶中,加甲醇8 mL超声(250 W,40 kHz)处理30 min,滤过,滤液作为供试品溶液。
取对照品溶液、供试品溶液各1 μL,分别点于同一硅胶HSGF254(烟台华阳新材料科技有限公司)薄层板上,以三氯甲烷-甲醇-甲酸(10:1:0.2)为展开剂,展开,取出,晾干,日光下检视。
在“2.2.3”项薄层色谱条件下,10批青蛙七药材的供试品溶液色谱图(图2)中,与对照品溶液相应位置上均显示相同颜色的斑点(批号20220505的样品在野鸢尾黄素处无对应斑点除外),斑点比移值(图中斑点从上至下)分别为0.77、0.69、0.35、0.26,符合比移值在0.2~0.8范围的要求,说明建立的TLC方法可以区分不同产地青蛙七药材的质量。
采用Agilent 5 TC-C18色谱柱(250 mm×4.6 mm,5 μm),流动相为0.05%磷酸水(A)-乙腈(B),梯度洗脱(0~1 min,20%B→20%B;1~14 min,20%B→22%B;14~20 min,22%B→28%B;20~22 min,28%B→30%B;22~30 min,30%B→55%B),体积流量为1 mL·min-1,柱温40 ℃,进样量10 μL。
精密称取鸢尾苷、鸢尾黄素、野鸢尾黄素的对照品适量,用甲醇溶解,制成质量浓度分别为200、50、20 μg·mL-1的对照品储备液。将各对照品储备液混合,加入甲醇逐级稀释成系列浓度混合对照品溶液(鸢尾苷质量浓度分别为66.67、53.33、42.67、34.13、27.31、21.85、17.48 μg·mL-1,鸢尾黄素质量浓度分别为16.67、13.33、10.67、8.53、6.83、5.46、4.37 μg·mL-1,野鸢尾黄素质量浓度分别为6.67、4.27、2.73、1.75、1.12、0.72 μg·mL-1)。
取样品粉末(过3号筛)约0.5 g,精密称量,置具塞锥形瓶中,精密加入70%乙醇25 mL,密塞,称量,超声(250 W,50 kHz)处理1 h,放冷,再称量,用70%乙醇补足减失的量,摇匀,滤过,精密量取续滤液1 mL,置50 mL量瓶中,加70%乙醇稀释至刻度,摇匀,即得[11]
在“2.3.1”项色谱条件下,样品中3个待测成分色谱峰峰形良好,与相邻峰的分离度>1.5。混合对照品以及青蛙七样品色谱图见图3
取“2.3.2”项下混合对照品溶液,按“2.3.1”项下色谱条件进行测定,记录色谱图。以被测化合物质量浓度X(μg·mL-1)为横坐标,相应峰面积为Y纵坐标,绘制标准曲线。青蛙七不同化合物的线性范围为0.72~66.67 μg·mL-1,且相关系数均>0.999,表明各对照品线性关系良好。3个异黄酮类成分的线性方程、相关系数、线性范围及定量限(S/N>10)结果见表2
取“2.3.3”项下的青蛙七供试品溶液(批号20200910),按“2.3.1”项下色谱条件,1 d内测定6次,考察日内精密度;连续测定3 d,考察日间精密度。计算鸢尾苷、鸢尾黄素、野鸢尾黄素峰面积的日内精密度RSD分别为0.76%、0.77%、1.1%,日间精密度RSD分别为0.77%、0.73%、0.83%,表明此方法精密度良好。
取“2.3.3”项下的青蛙七供试品溶液(批号20200910),按“2.3.1”项下色谱条件,分别于制备后0、3、6、9、12、24 h进样测定,计算显示间隔进样所测得鸢尾苷、鸢尾黄素、野鸢尾黄素峰面积的RSD分别为1.5%、1.4%、1.3%,表明供试品溶液在24 h内稳定性良好。
取青蛙七样品(批号20200910)6份,按“2.3.3”项下方法平行制备供试品溶液,按“2.3.1”项下色谱条件进样测定,记录峰面积。计算鸢尾苷、鸢尾黄素、野鸢尾黄素含量的RSD分别为0.90%、1.1%、1.4%,表明此方法重复性良好。
精密称取6份青蛙七样品(批号20200910),每份约0.5 g,置25 mL具塞锥形瓶中,加入与供试品溶液中鸢尾苷、鸢尾黄素、野鸢尾黄素含量相等的对照品,按“2.3.3”项方法制备供试溶液,在“2.3.1”项色谱条件下进行测定,记录各成分峰面积,计算加样回收率。测得鸢尾苷、鸢尾黄素、野鸢尾黄素的平均加样回收率分别为99.8%、97.7%、100.8%,RSD分别为1.1%、2.9%、2.5%,表明方法准确度良好。
以鸢尾黄素为内参物,鸢尾苷及野鸢尾黄素为待测成分。分别称量3份鸢尾苷、鸢尾黄素、野鸢尾黄素的对照品,按照“2.3.2”项下方法配制6个系列浓度混合对照品溶液,每个浓度进样2针,用最小二乘法以浓度对峰面积进行线性回归(应代入原点),按公式(1)计算2个标准曲线斜率比值的倒数,即得相对校正因子[12]
式中,fs/x为内参物s与待测成分x的相对校正因子,ks/x为内参物s与待测成分x的相对斜率比值,As为内参物的峰面积,Cs为内参物的质量浓度,Ax为待测成分峰面积,Cx为待测成分的质量浓度。将表3中标准曲线斜率的平均值带入公式(1),计算得鸢尾苷、野鸢尾黄素的相对校正因子fs/x分别为1.114 5、0.827 0,fs/x的RSD均<1%,表明相对校正因子准确度良好。
分析“2.4.1”项中得到的鸢尾苷、野鸢尾黄素相对校正因子fs/x准确度的数据,结果显示鸢尾苷、野鸢尾黄素的相对校正因子fs/x的RSD分别为0.040%、0.19%,表明此方法重复性良好。
取“2.3.2”项下鸢尾苷、鸢尾黄素、野鸢尾黄素质量浓度分别为42.67、10.67、4.27 μg·mL-1的混合对照品溶液进行考察,按“2.3.1”项下色谱条件分别于制备后0、3、6、9、12、24 h进样,记录峰面积,并计算相对校正因子。显示间隔进样所测得鸢尾苷、野鸢尾黄素相对校正因子fs/x的RSD分别为0.32%、0.24%,表明此混合对照品溶液在24 h内稳定性良好。
取“2.4.3”项下的混合对照品溶液,在“2.3.1”其他色谱条件不变的情况下,分别考察流速为0.8、0.9、1.0 mL·min-1的相对校正因子fs/x,计算RSD。结果流速为0.8 mL·min-1时,鸢尾苷、野鸢尾黄素的相对校正因子fs/x分别为1.118 3、0.822 9;流速为0.9 mL·min-1时,鸢尾苷、野鸢尾黄素的相对校正因子fs/x分别为1.113 6、0.823 3;流速为1 mL·min-1时,鸢尾苷、野鸢尾黄素的相对校正因子fs/x分别为1.105 3、0.823 7。3种流速下求得上述成分相对校正因子的RSD分别为0.59%、0.045%。表明不同体积流量的变化对鸢尾苷、野鸢尾黄素的相对校正因子fs/x无明显影响。
取“2.4.3”项下的混合对照品溶液,在“2.3.1”项中其他色谱条件不变的情况下,分别考察柱温为39、39.5、40 ℃的相对校正因子fs/x,计算RSD。柱温为39 ℃时,鸢尾苷、野鸢尾黄素的相对校正因子fs/x分别为1.115 9、0.821 7;柱温为39.5 ℃时,鸢尾苷、野鸢尾黄素的相对校正因子fs/x分别为1.115 7、0.824 9;柱温为40 ℃时,鸢尾苷、野鸢尾黄素的相对校正因子fs/x分别为1.105 3、0.823 7。3种柱温下求得上述成分相对校正因子的RSD分别为0.55%、0.20%,表明柱温的变化对各成分的相对校正因子fs/x无明显影响。
取“2.6.3”项下的混合对照品溶液,在“2.3.1”项中其他色谱条件不变的情况下,分别考察波长为263、264、265、266、267 nm的相对校正因子fs/x,结果RSD均<2%,表明测量波长的变化对各成分的相对校正因子fs/x无明显影响,见表4
取“2.4.3”项下的混合对照品溶液,在“2.3.1”项中其他色谱条件不变的情况下,考察5台高效液相色谱仪对各待测成分的相对校正因子有无显著影响,计算结果RSD均<3%,表明无明显影响,见表5
取“2.4.3”项下的混合对照品溶液,在“2.3.1”项中其他色谱条件不变的情况下,选用Waters e2695(SN:F14SM7551A)液相色谱仪,考察5根色谱柱对各待测成分的相对校正因子有无显著影响,计算结果RSD均<3%,表明不同色谱柱的变化对各成分的fs/x无明显影响,见表6
取“2.4.3”项下的混合对照品溶液,在“2.3.1”项其他色谱条件不变的情况下,计算待测成分在5台不同的髙效液相色谱仪和5根不同的色谱柱下的相对保留时间(tx/s)及RSD。结果各待测成分相对保留时间的RSD均<5%,表明采用相对保留值法对待测成分定位是合理的。结果见表7
取10批样品,按“2.3.3”项制备供试品溶液,按“2.3.1”项色谱条件进行测定,采用ESM计算青蛙七药材中3个异黄酮类成分的含量,并且与QAMS法的计算结果进行比较,以相对误差(RE)来表示2种方法测得结果的差异,以验证QAMS法测得青蛙七含量的准确性。结果显示2种方法所测定的结果无显著差异,说明QAMS法用于测定青蛙七药材中3个异黄酮类成分的含量具有可行性,见表8
本研究考察了青蛙七的薄层点样量(1、2、3、5 μL),展开剂(三氯甲烷-甲醇-甲酸、三氯甲烷-丙酮-甲酸[1]、石油醚-乙酸乙酯[13])及其比例,不同厂家(烟台华阳新材料科技有限公司、烟台江友新材料科技有限公司)及不同类型(青岛海浪化工有限公司GF254、聚酰胺薄膜)的薄层板,不同检视条件(喷AlCl3显色剂[14]、日光)。对选定的条件分别进行方法学考察(0、1、2、3 d),最终建立了“2.2.3”项的薄层色谱条件,区分不同产地青蛙七药材的质量。
鸢尾苷、鸢尾黄素、野鸢尾黄素均是以3-苯基苯并吡喃酮为母核的多羟基酚类,故可用这3个成分建立QAMS的方法。鸢尾黄素对照品性质稳定、价廉易得,色谱峰容易辨识,与同类化合物分离度良好。故最终选定的鸢尾黄素作为内参物,计算其与待测成分之间的相对校正因子。
考察了提取溶剂(70%甲醇[15]、70%乙醇[11]、甲醇[16]),以鸢尾苷色谱峰面积与称样量比值为评价指标,计算得3种提取溶剂条件下鸢尾苷的面积/称样量分别为86 530 475.71、88 263 453.93、83 899 260.59,比较发现选择用70%乙醇作为提取溶剂,提取更完全,且峰形较好,基线平稳,综合考虑选用70%乙醇作为提取溶剂。
选择254、265、296 nm为备选波长[1115],以鸢尾苷色谱峰面积与称样量之比为考察指标,计算得3种波长条件下鸢尾苷的面积/称样量分别为73 681 787.29、88 263 453.93、19 553 628,最终选用265 nm为鸢尾苷的检测波长。
对流动相体系进行考察,分别考察了水相和有机相的选择和配比,包括甲醇-0.05%磷酸、乙腈-水、乙腈-0.05%磷酸水、乙腈-0.1%磷酸水。HPLC色谱结果表明,当有机相为甲醇体系时,各峰的分离度不佳,乙腈体系各峰分离度较好,且峰形较佳。综合比较,采用乙腈-磷酸水溶液流动相体系比较合适。对乙腈-磷酸水溶液进行比例调整后发现,乙腈-0.05%磷酸水可实现特征峰的良好分离,因此选用。
选择30、35、40 ℃为备选柱温,以鸢尾苷、鸢尾黄素、野鸢尾黄素的色谱峰形、分离度、对称因子、理论塔板数等参数为考察指标,结果表明当柱温为40 ℃时,各色谱峰基线平稳,分离度较好,且干扰少,故选择40 ℃为柱温。
本文首先采用UPLC-Q TOF MS/MS技术表征出青蛙七中5个主要的异黄酮成分,然后建立了鸢尾苷、鸢尾甲苷B、鸢尾黄素、野鸢尾黄素4个成分的TLC定性鉴别方法,并以鸢尾黄素为参照物,建立了QAMS法同时测定鸢尾苷、鸢尾黄素、野鸢尾黄素3个成分。本研究为青蛙七的质量控制提供了更方便、更准确的评价模式,弥补了青蛙七研究的缺失。
由于有关青蛙七药材的质量标准研究极少,部分对照品难以获得,故本文在成分表征部分仅展示了其与对照品信息匹配的异黄酮成分,并结合预实验结果,筛选出青蛙七药材TLC、QAMS的质控成分。中药材是多成分协同发挥功效,为尽可能完善青蛙七药材的质控标准,后续将参考同科属药材的成分信息,结合柱色谱分离、红外光谱、核磁共振光谱等方法,分离和鉴定青蛙七药材的成分,并在本文建立的质控方法基础上继续优化。同时,由于渠道有限,本文仅收集到10批青蛙七药材,后续应收集更多批药材,考察所建立方法的普适性。
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2024年第44卷第8期
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doi: 10.16155/j.0254-1793.2023-0208
  • 接收时间:2023-04-07
  • 首发时间:2026-03-13
  • 出版时间:2024-08-31
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  • 收稿日期:2023-04-07
基金
*陕西省科技厅重点产业创新链(群)项目(2020ZDLSF05-08)
国家自然科学基金面上项目(82173970)
陕西省高层次人才特殊支持计划&青年拔尖人才支持计划(陕组通字【2018】33号)
作者信息
    1.陕西中医药大学 陕西中药资源产业化省部共建协同创新中心,咸阳 712083
    2.南京中医药大学 江苏省中药资源产业化过程协同创新中心江苏省方剂高技术研究重点实验室,南京 210023
    3.中国中医科学院,北京 100700
    4.陕西盘龙药业集团股份有限公司,商洛 711400
    5.山西省检验检测中心(山西省标准计量技术研究院),太原 030002

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** 刘妍如 Tel:(029)38182207;E-mail:
段金廒 Tel:(025)85811291;E-mail:
唐志书 Tel:(010)64089180;E-mail:
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2种不同金属材料的力学参数

Family
属数
Number of
genus
种数
Number of
species
占总种数比例
Percentage of
total species (%)

Genus
种数
Number of
species
占总种数比例
Percentage of total
species (%)
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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