Article(id=1322923912845206198, tenantId=1146029695717560320, journalId=1255847919539208197, issueId=1322923782029062261, articleNumber=null, orderNo=null, doi=10.13193/j.issn.1673-7717.2025.06.020, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=null, receivedDateStr=null, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1793339239560, onlineDateStr=2026-10-30, pubDate=1749484800000, pubDateStr=2025-06-10, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1793339239560, onlineIssueDateStr=2026-10-30, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1793339239560, creator=13701087609, updateTime=1793339239560, updator=13701087609, issue=Issue{id=1322923782029062261, tenantId=1146029695717560320, journalId=1255847919539208197, year='2025', volume='43', issue='6', pageStart='1', pageEnd='258', issueExtLink='null', onlineDate='null', pubDate='1749484800000', pubDateStr='2025-06-10', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=0, createTime=1793339208371, creator='13701087609', updateTime=1793340556755, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1322929437859258468, tenantId=1146029695717560320, journalId=1255847919539208197, issueId=1322923782029062261, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1322929437859258469, tenantId=1146029695717560320, journalId=1255847919539208197, issueId=1322923782029062261, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=107, endPage=112, ext={EN=ArticleExt(id=1322923913092670135, articleId=1322923912845206198, tenantId=1146029695717560320, journalId=1255847919539208197, language=EN, title=Comparison of Component Differences in Chenxiang(Aquilariae Lignum Resinatum)from Different Formation Parts Obtained by Artificial Induction Method by HPLC Fingerprinting and Chemometrics, columnId=1256183361521967297, journalTitle=Chinese Archives of Traditional Chinese Medicine, columnName=Target on National Project, runingTitle=null, highlight=null, articleAbstract=
Objective

Identification,content determination and characteristic spectrum analysis of different Chenxiang(Aquilariae Lignum Resinatum)components obtained by artificial induction method were carried out using thin layer chromatography(TLC)and high performance liquid chromatography(HPLC)to evaluate the quality and quantity of Chenxiang(Aquilariae Lignum Resinatum).

Methods

This article used chloroform-ether(10:1)as the developing agent to perform TLC identification on this batch of Chenxiang(Aquilariae Lignum Resinatum)samples.Content determination and characteristic spectrum were performed using HPLC under the following chromatographic conditions.Waters Symmetry Shield TM RP18 column(4.6 mm×250 mm,5μm)was used.The acetonitrile 0.1% formic acid water was as the mobile phase.The column temperature was 30℃.The flow rate was 0.7 mL·min-1.The detection wavelength was 252 nm.The injection volume was 10μL.Finally,similarity evaluation,Principal Component Analysis(PCA)and Orthogonal Partial Least Squares Discriminant Analysis(OPLS-DA)were used to screen for chromatographic peaks that caused significant differences in different parts(trunk and branch).

Results

The results of TLC showed that the spots of the Chenxiang(Aquilariae Lignum Resinatum)samples were basically the same as those of the control herb.Examining the test product under the UV lamp at 254 nm,it was found that the color of the sample spots was more obvious in the branch than that in the main trunk when the Rf value was 0.38.The content determination results showed that the content of agarotetrol in Chenxiang(Aquilariae Lignum Resinatum)samples from different aroma forming parts ranged from 0.02% to 0.58%,and the average content of agarotetrol in the branches was higher than that in the stems.The characteristic spectrum results showed that there were 6 common characteristic peaks in the Chenxiang(Aquilariae Lignum Resinatum)sample,with a significant difference in the peak area of agarotetrol.Except for No.4,No.9,No.12 and No.13,the content of agarotetrol in the branches of the other groups was higher than that in the trunk.The similarity value of Chenxiang(Aquilariae Lignum Resinatum)trunk was between 0.842 and 0.999,and the similarity value of Chenxiang(Aquilariae Lignum Resinatum)branch was between 0.901 and 0.994,indicating a good branch similarity effect.The results of PCA and OPLS-DA analysis by chemometrics showed that peak 4 and peak 6 were the symbolic components of the quality difference of Chenxiang(Aquilariae Lignum Resinatum)aroma.

Conclusion

The present study comprehensively and effectively analyzed the chemical components of Chenxiang(Aquilariae Lignum Resinatum)samples obtained from the trunk and branch parts using TLC,content determination and characteristic chromatographic fingerprint analysis methods under the same artificial induction method.Apart from some samples showing significant individual differences,the Chenxiang(Aquilariae Lignum Resinatum)samples from the branch parts demonstrated more pronounced aroma effects,which provides a basis for future optimization of methods and in-depth research on aroma mechanisms.

, authors=Jiao LI1, Liangwen YU2, 3, 4, Baoheng LAN1, Zhangyuan LI1, Tianci WANG1, Yang YANG1, Rong MA1, Zeqing WU1, authorsList=Jiao LI, Liangwen YU, Baoheng LAN, Zhangyuan LI, Tianci WANG, Yang YANG, Rong MA, Zeqing WU, authorCompany=null, correspAuthors=Zeqing WU, 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, fund=null), CN=ArticleExt(id=1322923915894465221, articleId=1322923912845206198, tenantId=1146029695717560320, journalId=1255847919539208197, language=CN, title=HPLC指纹图谱结合化学计量学方法比较人工诱导法所得不同结香部位沉香的成分差异, columnId=1256183362172142382, journalTitle=中华中医药学刊, columnName=国家项目点击, runingTitle=null, highlight=null, articleAbstract=
目的

通过薄层色谱(Thin layer chromatography,TLC)和高效液相(High performance liquid chromatography,HPLC)对人工诱导法所得不同结香部位沉香进行鉴别、含量测定和特征图谱分析,评价不同结香部位沉香质量。

方法

以三氯甲烷-乙醚(10∶1)为展开剂,对该批沉香样品进行薄层色谱鉴别。采用高效液相进行含量测定和特征图谱,色谱条件为:Waters Symmetry Shield TM RP18色谱柱(4.6×250 mm,5μm),以乙腈-0.1%甲酸水为流动相;柱温:30℃;流速:0.7 mL·min-1;检测波长:252 nm;进样量:10μL。最后运用相似度评价、主成分分析(Principal Component Analysis,PCA)和正交偏最小二乘判别分析(Orthogonal Partial Least Squares-Discriminant Analysis,OPLS-DA)筛选出引起不同部位(主干和支干)差异明显的色谱峰。

结果

薄层色谱结果显示,沉香样品斑点与对照药材基本一致,在紫外灯254 nm下检视供试品,发现Rf值为0.38时,样品斑点颜色支干较主干更为明显。含量测定结果显示,不同结香部位沉香样品中沉香四醇含量范围在0.02%~0.58%,且支干的沉香四醇平均含量高于主干。特征图谱结果显示,沉香样品有6个共有特征峰,共有峰1沉香四醇的峰面积差异较大,除4号、9号、12号、13号之外,其余各组的支干沉香四醇含量均高于主干。沉香主干相似度值在0.842~0.999,沉香支干相似度值在0.901~0.994,支干相似度效果较好。通过化学计量学PCA,OPLS-DA分析结果表明峰4,峰6为沉香结香成分差异的标志性成分。

结论

本研究通过薄层色谱、含量测定及特征图谱的分析方法,对相同的人工诱导结香方法所得的沉香样品在主干与支干部位的化学成分进行全面有效地分析,除部分样品表现出明显的个体差异外,其余沉香样品的支干部位结香效果更为显著,为后续优化结香方法及深入研究结香机制提供依据。

, authors=李娇1, 喻良文2, 3, 4, 兰宝恒1, 李张媛1, 王天赐1, 杨洋1, 马蓉1, 吴泽青1, authorsList=李娇, 喻良文, 兰宝恒, 李张媛, 王天赐, 杨洋, 马蓉, 吴泽青, authorCompany=null, correspAuthors=吴泽青, authorNote=

李娇(1996-),女,河南周口人,硕士在读,研究方向:中药资源开发与新药。

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吴泽青(1988-),女,河南新乡人,副教授,硕士研究生导师,博士,研究方向:中药资源开发与新药。E-mail:。
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李娇(1996-),女,河南周口人,硕士在读,研究方向:中药资源开发与新药。

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city=null, postcode=null, companyName=null, departmentName=null, remark=4.Science and Technology Innovation Center of Guangzhou University of Traditional Chinese Medicine,Guangzhou 510405,Guangdong,China), AuthorCompanyExt(id=1322923916469084881, tenantId=1146029695717560320, journalId=1255847919539208197, articleId=1322923912845206198, companyId=1322923916448113359, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=4.广州中医药大学科技创新中心,广东 广州 510405)])], figs=[ArticleFig(id=1322923920722109192, tenantId=1146029695717560320, journalId=1255847919539208197, articleId=1322923912845206198, language=EN, label=null, caption=null, figureFileSmall=AXHzIjIDt2XG+mMCgfOKXw==, figureFileBig=zJrwaIXyPkC4sAOa07PTKQ==, tableContent=null), ArticleFig(id=1322923920785023753, tenantId=1146029695717560320, journalId=1255847919539208197, articleId=1322923912845206198, language=CN, label=图1, caption=沉香样品

注:1.沉香主干;2.沉香支干;3.白木。

, figureFileSmall=AXHzIjIDt2XG+mMCgfOKXw==, figureFileBig=zJrwaIXyPkC4sAOa07PTKQ==, tableContent=null), ArticleFig(id=1322923920965378826, tenantId=1146029695717560320, journalId=1255847919539208197, articleId=1322923912845206198, language=EN, label=null, caption=null, figureFileSmall=FuM3gwn6sQ3IQMGzC2EI+g==, figureFileBig=UDNvDwA2gCMVOa37xGRQoA==, tableContent=null), ArticleFig(id=1322923921036681995, tenantId=1146029695717560320, journalId=1255847919539208197, articleId=1322923912845206198, language=CN, label=图2, caption=薄层色谱图

注:1,29.白木;15.对照药材;2-14.供试品(主干,T);16-28.供试品(支干,B);A.365 nm B.254 nm。

, figureFileSmall=FuM3gwn6sQ3IQMGzC2EI+g==, figureFileBig=UDNvDwA2gCMVOa37xGRQoA==, tableContent=null), ArticleFig(id=1322923921128956684, tenantId=1146029695717560320, journalId=1255847919539208197, articleId=1322923912845206198, language=EN, label=null, caption=null, figureFileSmall=2nRXy+xXe0O+wbXos7Xg/A==, figureFileBig=QFhPzJ87TGYX34RnGh0BcQ==, tableContent=null), ArticleFig(id=1322923921212842765, tenantId=1146029695717560320, journalId=1255847919539208197, articleId=1322923912845206198, language=CN, label=图3, caption=HPLC色谱图

注:S1.白木;S2.沉香四醇标准品;A.主干;B.支干;1.沉香四醇。

, figureFileSmall=2nRXy+xXe0O+wbXos7Xg/A==, figureFileBig=QFhPzJ87TGYX34RnGh0BcQ==, tableContent=null), ArticleFig(id=1322923921288340238, tenantId=1146029695717560320, journalId=1255847919539208197, articleId=1322923912845206198, language=EN, label=null, caption=null, figureFileSmall=g079qulcQhBbfY/qPb2QhQ==, figureFileBig=GaKylVDgMAJkzx5r9XZ/IQ==, tableContent=null), ArticleFig(id=1322923921359643407, tenantId=1146029695717560320, journalId=1255847919539208197, articleId=1322923912845206198, language=CN, label=图4, caption=沉香样品特征图谱

注:A.主干;B.支干;C.对照药材;D.主干T的共有模式对照图谱;E.支干B的共有模式对照图谱。峰1.沉香四醇;峰3.8-氯-2-(2-苯乙基)-5,6,7-三羟基-5,6,7,8-四氢色酮;峰5.6,4’-二羟基-3’-甲氧基-2-(2-苯乙基)色酮。

, figureFileSmall=g079qulcQhBbfY/qPb2QhQ==, figureFileBig=GaKylVDgMAJkzx5r9XZ/IQ==, tableContent=null), ArticleFig(id=1322923921430946576, tenantId=1146029695717560320, journalId=1255847919539208197, articleId=1322923912845206198, language=EN, label=null, caption=null, figureFileSmall=rC9rsmDqkBmcIpnNQoCuaw==, figureFileBig=6BJ4o81LCz09/OyCjCEjyQ==, tableContent=null), ArticleFig(id=1322923921489666833, tenantId=1146029695717560320, journalId=1255847919539208197, articleId=1322923912845206198, language=CN, label=图5, caption=26批沉香样品主成分分析

注:A.PCA碎石图;B.PCA得分图。

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注:A.OPLS-DA得分图;B.置换检验图;C.OPLS-DA载荷图;D.S-plot图;E.变量重要性投影图。

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样品编号沉香四醇含量百分数/(%)样品编号沉香四醇含量百分数/(%)
T10.02B10.18
T20.10B20.17
T30.06B30.06
T40.25B40.05
T50.10B50.22
T60.08B60.49
T70.05B70.11
T80.26B80.26
T90.04B90.03
T100.54B100.51
T110.17B110.58
T120.45B120.26
T130.37B130.24
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26批样品中沉香四醇含量(n=3)

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样品编号沉香四醇含量百分数/(%)样品编号沉香四醇含量百分数/(%)
T10.02B10.18
T20.10B20.17
T30.06B30.06
T40.25B40.05
T50.10B50.22
T60.08B60.49
T70.05B70.11
T80.26B80.26
T90.04B90.03
T100.54B100.51
T110.17B110.58
T120.45B120.26
T130.37B130.24
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组别各组峰的峰面积/(mAU)
123456
沉香四醇45.555
对照73.58911.74513.09725.8456.88988.761
T14.4322.2405.1069.3382.73913.395
T216.5958.76015.81633.5453.55261.998
T39.7013.3067.28328.9966.65892.605
T437.8705.39918.43922.5726.31092.324
T515.9111.30214.21617.5262.61876.059
T613.6113.5539.62116.5176.76831.305
T79.9132.5458.01920.4951.50773.873
T835.8206.47812.70155.68410.276142.660
T910.2152.7354.67717.0142.28225.047
T1073.55011.89737.90685.9837.788212.330
T1123.3183.70815.66231.2596.12593.578
T1257.8787.25431.35575.2378.493156.274
T1347.40218.46027.84780.7589.950215.371
B126.94114.81318.60855.71910.754162.210
B225.27410.82013.62538.3264.91493.933
B311.6166.33011.43829.0202.50483.267
B48.9501.0064.80713.4321.56431.983
B532.0755.30819.14443.3169.339129.783
B668.2338.43042.05272.62821.422319.855
B719.4626.93411.93522.9602.66874.489
B837.02224.04614.23352.6344.815108.069
B96.7242.5545.42711.3362.73226.732
B1086.13514.42127.78890.41011.814282.225
B1183.24815.18612.94989.45311.556206.495
B1235.82514.81816.49359.8996.976104.810
B1331.6959.1538.22548.3048.041111.223
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沉香样品特征图谱峰面积

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组别各组峰的峰面积/(mAU)
123456
沉香四醇45.555
对照73.58911.74513.09725.8456.88988.761
T14.4322.2405.1069.3382.73913.395
T216.5958.76015.81633.5453.55261.998
T39.7013.3067.28328.9966.65892.605
T437.8705.39918.43922.5726.31092.324
T515.9111.30214.21617.5262.61876.059
T613.6113.5539.62116.5176.76831.305
T79.9132.5458.01920.4951.50773.873
T835.8206.47812.70155.68410.276142.660
T910.2152.7354.67717.0142.28225.047
T1073.55011.89737.90685.9837.788212.330
T1123.3183.70815.66231.2596.12593.578
T1257.8787.25431.35575.2378.493156.274
T1347.40218.46027.84780.7589.950215.371
B126.94114.81318.60855.71910.754162.210
B225.27410.82013.62538.3264.91493.933
B311.6166.33011.43829.0202.50483.267
B48.9501.0064.80713.4321.56431.983
B532.0755.30819.14443.3169.339129.783
B668.2338.43042.05272.62821.422319.855
B719.4626.93411.93522.9602.66874.489
B837.02224.04614.23352.6344.815108.069
B96.7242.5545.42711.3362.73226.732
B1086.13514.42127.78890.41011.814282.225
B1183.24815.18612.94989.45311.556206.495
B1235.82514.81816.49359.8996.976104.810
B1331.6959.1538.22548.3048.041111.223
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样品编号相似度样品编号相似度
T10.842B10.957
T20.908B20.990
T30.989B30.965
T40.910B40.901
T50.981B50.986
T60.913B60.985
T70.986B70.979
T80.994B80.957
T90.890B90.955
T100.999B100.994
T110.996B110.989
T120.999B120.970
T130.982B130.950
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26批样品的相似度评价结果

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T20.908B20.990
T30.989B30.965
T40.910B40.901
T50.981B50.986
T60.913B60.985
T70.986B70.979
T80.994B80.957
T90.890B90.955
T100.999B100.994
T110.996B110.989
T120.999B120.970
T130.982B130.950
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峰号123456
T10.3310.1670.3810.6970.2041.000
T20.2680.1410.2550.5410.0571.000
T30.1050.0360.0790.3130.0721.000
T40.4100.0580.2000.2440.0681.000
T50.2090.0170.1870.2300.0341.000
T60.4350.1130.3070.5280.2161.000
T70.1340.0340.1090.2770.0201.000
T80.2510.0450.0890.3900.0721.000
T90.4080.1090.1870.6790.0911.000
T100.3460.0560.1790.4050.0371.000
T110.2490.0400.1670.3340.0651.000
T120.3700.0460.2010.4810.0541.000
T130.2200.0860.1290.3750.0461.000
B10.1660.0910.1150.3430.0661.000
B20.2690.1150.1450.4080.0521.000
B30.1400.0760.1370.3490.0301.000
B40.2800.0310.1500.4200.0491.000
B50.2470.0410.1480.3340.0721.000
B60.2130.0260.1310.2270.0671.000
B70.2610.0930.1600.3080.0361.000
B80.3430.2230.1320.4870.0451.000
B90.2520.0960.2030.4240.1021.000
B100.3050.0510.0980.3200.0421.000
B110.4030.0740.0630.4330.0561.000
B120.3420.1410.1570.5720.0671.000
B130.2850.0820.0740.4340.0721.000
RSD/%31.9560.8544.3330.5366.050.00
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26批样品共有峰相对峰面积及RSD值

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峰号123456
T10.3310.1670.3810.6970.2041.000
T20.2680.1410.2550.5410.0571.000
T30.1050.0360.0790.3130.0721.000
T40.4100.0580.2000.2440.0681.000
T50.2090.0170.1870.2300.0341.000
T60.4350.1130.3070.5280.2161.000
T70.1340.0340.1090.2770.0201.000
T80.2510.0450.0890.3900.0721.000
T90.4080.1090.1870.6790.0911.000
T100.3460.0560.1790.4050.0371.000
T110.2490.0400.1670.3340.0651.000
T120.3700.0460.2010.4810.0541.000
T130.2200.0860.1290.3750.0461.000
B10.1660.0910.1150.3430.0661.000
B20.2690.1150.1450.4080.0521.000
B30.1400.0760.1370.3490.0301.000
B40.2800.0310.1500.4200.0491.000
B50.2470.0410.1480.3340.0721.000
B60.2130.0260.1310.2270.0671.000
B70.2610.0930.1600.3080.0361.000
B80.3430.2230.1320.4870.0451.000
B90.2520.0960.2030.4240.1021.000
B100.3050.0510.0980.3200.0421.000
B110.4030.0740.0630.4330.0561.000
B120.3420.1410.1570.5720.0671.000
B130.2850.0820.0740.4340.0721.000
RSD/%31.9560.8544.3330.5366.050.00
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成分初始特征值提取载荷平方和
总计方差/(%)累积/(%)总计方差/(%)累积/(%)
14.68578.08278.0824.68578.08278.082
20.71511.91789.999
30.2824.69994.698
40.2123.53198.229
50.0580.96499.193
60.0480.807100.000
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26批样品主成分特征值和方差贡献率

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成分初始特征值提取载荷平方和
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20.71511.91789.999
30.2824.69994.698
40.2123.53198.229
50.0580.96499.193
60.0480.807100.000
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共有峰主成分1
10.941
20.684
30.863
40.957
50.857
60.968
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26批样品成分矩阵

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20.684
30.863
40.957
50.857
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HPLC指纹图谱结合化学计量学方法比较人工诱导法所得不同结香部位沉香的成分差异
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李娇 1 , 喻良文 2, 3, 4 , 兰宝恒 1 , 李张媛 1 , 王天赐 1 , 杨洋 1 , 马蓉 1 , 吴泽青 1
中华中医药学刊 | 国家项目点击 2025,43(6): 107-112
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中华中医药学刊 |国家项目点击 2025 , 43 (6) : 107 -112
HPLC指纹图谱结合化学计量学方法比较人工诱导法所得不同结香部位沉香的成分差异
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李娇1, 喻良文2, 3, 4, 兰宝恒1, 李张媛1, 王天赐1, 杨洋1, 马蓉1, 吴泽青1
作者信息
  • 1.新乡医学院药学院,河南 新乡 453003
  • 2.东莞广州中医药大学研究院,广东 东莞 523007
  • 3.广东云浮中医药职业学院,广东 云浮 527300
  • 4.广州中医药大学科技创新中心,广东 广州 510405
通讯作者:
吴泽青(1988-),女,河南新乡人,副教授,硕士研究生导师,博士,研究方向:中药资源开发与新药。E-mail:。
作者简介:

李娇(1996-),女,河南周口人,硕士在读,研究方向:中药资源开发与新药。

Comparison of Component Differences in Chenxiang(Aquilariae Lignum Resinatum)from Different Formation Parts Obtained by Artificial Induction Method by HPLC Fingerprinting and Chemometrics
Jiao LI1, Liangwen YU2, 3, 4, Baoheng LAN1, Zhangyuan LI1, Tianci WANG1, Yang YANG1, Rong MA1, Zeqing WU1
Affiliations
  • 1.School of Pharmacy,Xinxiang Medical College,Xinxiang 453003,Henan,China
  • 2.Research Institute of Dongguan Guangzhou University of Traditional Chinese Medicine,Dongguan 523007,Guangdong,China
  • 3.Guangdong Yunfu Vocational College of Traditional Chinese Medicine,Yunfu 527300,Guangdong,China
  • 4.Science and Technology Innovation Center of Guangzhou University of Traditional Chinese Medicine,Guangzhou 510405,Guangdong,China
出版时间: 2025-06-10 doi: 10.13193/j.issn.1673-7717.2025.06.020
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目的

通过薄层色谱(Thin layer chromatography,TLC)和高效液相(High performance liquid chromatography,HPLC)对人工诱导法所得不同结香部位沉香进行鉴别、含量测定和特征图谱分析,评价不同结香部位沉香质量。

方法

以三氯甲烷-乙醚(10∶1)为展开剂,对该批沉香样品进行薄层色谱鉴别。采用高效液相进行含量测定和特征图谱,色谱条件为:Waters Symmetry Shield TM RP18色谱柱(4.6×250 mm,5μm),以乙腈-0.1%甲酸水为流动相;柱温:30℃;流速:0.7 mL·min-1;检测波长:252 nm;进样量:10μL。最后运用相似度评价、主成分分析(Principal Component Analysis,PCA)和正交偏最小二乘判别分析(Orthogonal Partial Least Squares-Discriminant Analysis,OPLS-DA)筛选出引起不同部位(主干和支干)差异明显的色谱峰。

结果

薄层色谱结果显示,沉香样品斑点与对照药材基本一致,在紫外灯254 nm下检视供试品,发现Rf值为0.38时,样品斑点颜色支干较主干更为明显。含量测定结果显示,不同结香部位沉香样品中沉香四醇含量范围在0.02%~0.58%,且支干的沉香四醇平均含量高于主干。特征图谱结果显示,沉香样品有6个共有特征峰,共有峰1沉香四醇的峰面积差异较大,除4号、9号、12号、13号之外,其余各组的支干沉香四醇含量均高于主干。沉香主干相似度值在0.842~0.999,沉香支干相似度值在0.901~0.994,支干相似度效果较好。通过化学计量学PCA,OPLS-DA分析结果表明峰4,峰6为沉香结香成分差异的标志性成分。

结论

本研究通过薄层色谱、含量测定及特征图谱的分析方法,对相同的人工诱导结香方法所得的沉香样品在主干与支干部位的化学成分进行全面有效地分析,除部分样品表现出明显的个体差异外,其余沉香样品的支干部位结香效果更为显著,为后续优化结香方法及深入研究结香机制提供依据。

沉香  /  薄层色谱  /  高效液相  /  化学计量学  /  主成分分析  /  正交偏最小二乘判别分析法
Objective

Identification,content determination and characteristic spectrum analysis of different Chenxiang(Aquilariae Lignum Resinatum)components obtained by artificial induction method were carried out using thin layer chromatography(TLC)and high performance liquid chromatography(HPLC)to evaluate the quality and quantity of Chenxiang(Aquilariae Lignum Resinatum).

Methods

This article used chloroform-ether(10:1)as the developing agent to perform TLC identification on this batch of Chenxiang(Aquilariae Lignum Resinatum)samples.Content determination and characteristic spectrum were performed using HPLC under the following chromatographic conditions.Waters Symmetry Shield TM RP18 column(4.6 mm×250 mm,5μm)was used.The acetonitrile 0.1% formic acid water was as the mobile phase.The column temperature was 30℃.The flow rate was 0.7 mL·min-1.The detection wavelength was 252 nm.The injection volume was 10μL.Finally,similarity evaluation,Principal Component Analysis(PCA)and Orthogonal Partial Least Squares Discriminant Analysis(OPLS-DA)were used to screen for chromatographic peaks that caused significant differences in different parts(trunk and branch).

Results

The results of TLC showed that the spots of the Chenxiang(Aquilariae Lignum Resinatum)samples were basically the same as those of the control herb.Examining the test product under the UV lamp at 254 nm,it was found that the color of the sample spots was more obvious in the branch than that in the main trunk when the Rf value was 0.38.The content determination results showed that the content of agarotetrol in Chenxiang(Aquilariae Lignum Resinatum)samples from different aroma forming parts ranged from 0.02% to 0.58%,and the average content of agarotetrol in the branches was higher than that in the stems.The characteristic spectrum results showed that there were 6 common characteristic peaks in the Chenxiang(Aquilariae Lignum Resinatum)sample,with a significant difference in the peak area of agarotetrol.Except for No.4,No.9,No.12 and No.13,the content of agarotetrol in the branches of the other groups was higher than that in the trunk.The similarity value of Chenxiang(Aquilariae Lignum Resinatum)trunk was between 0.842 and 0.999,and the similarity value of Chenxiang(Aquilariae Lignum Resinatum)branch was between 0.901 and 0.994,indicating a good branch similarity effect.The results of PCA and OPLS-DA analysis by chemometrics showed that peak 4 and peak 6 were the symbolic components of the quality difference of Chenxiang(Aquilariae Lignum Resinatum)aroma.

Conclusion

The present study comprehensively and effectively analyzed the chemical components of Chenxiang(Aquilariae Lignum Resinatum)samples obtained from the trunk and branch parts using TLC,content determination and characteristic chromatographic fingerprint analysis methods under the same artificial induction method.Apart from some samples showing significant individual differences,the Chenxiang(Aquilariae Lignum Resinatum)samples from the branch parts demonstrated more pronounced aroma effects,which provides a basis for future optimization of methods and in-depth research on aroma mechanisms.

Chenxiang(Aquilariae Lignum Resinatum)  /  TLC  /  HPLC  /  chemometrics  /  PCA  /  OPLS-DA
李娇, 喻良文, 兰宝恒, 李张媛, 王天赐, 杨洋, 马蓉, 吴泽青. HPLC指纹图谱结合化学计量学方法比较人工诱导法所得不同结香部位沉香的成分差异. 中华中医药学刊, 2025 , 43 (6) : 107 -112 . DOI: 10.13193/j.issn.1673-7717.2025.06.020
Jiao LI, Liangwen YU, Baoheng LAN, Zhangyuan LI, Tianci WANG, Yang YANG, Rong MA, Zeqing WU. Comparison of Component Differences in Chenxiang(Aquilariae Lignum Resinatum)from Different Formation Parts Obtained by Artificial Induction Method by HPLC Fingerprinting and Chemometrics[J]. Chinese Archives of Traditional Chinese Medicine, 2025 , 43 (6) : 107 -112 . DOI: 10.13193/j.issn.1673-7717.2025.06.020
沉香属于树脂类药材,是瑞香科植物白木香Aquilaria sinensis(Lour.)Gilg含有树脂的木材[1]。国产沉香主要分布于我国广东、海南等地,是我国传统名贵药材[2]。中医认为其具有行气止痛,温中止呕,纳气平喘之功效,可用于胸腹胀闷疼痛,胃寒呕吐呃逆,肾虚气逆喘急[1]。现代药理学研究发现,沉香具有镇静催眠、改善心肌缺血、抗炎、抗菌、抗氧化、抗肿瘤、降血糖等作用[3-9]。沉香中主要含有2-(2-苯乙基)色酮类和倍半萜类化合物[10-13]。健康的白木香本身不能产生沉香,需要通过外界伤害诱导才可结香,目前传统结香方法存在效率低、结香过程缓慢及市场供不应求等特点,使沉香属物种曾被列入了《濒危野生动植物种国际贸易公约》附录Ⅱ[14-15]。由于天然沉香结香时间长且结香偶然性大,亟需高效诱导方法,以期得到高质量沉香。现代人工诱导结香方法在提高产量、缩短生产周期、降低生产成本以及产品质量可控等方面具有明显优势[16]。化学计量学主要研究生物样本的整体变化,尤其适合分析多成分的复杂中药体系,沉香的化学成分复杂,通过化学计量学对数据进行分析,找出引起不同部位沉香结香的差异性标志化合物,为深入研究沉香不同部位结香提供基础[17-20]。
本团队前期研究发现,同一传统结香方法(火烫法)条件下,不同树龄的白木香所得沉香质量差异明显,可见树龄对结香效果有显著影响[21-22],此外,结香效果与沉香属树种、结香部位、结香方法、生长环境等因素紧密相关[23-24],目前针对不同结香部位主干及支干的化学成分研究较少。本实验选取人工诱导方法所得主干及支干结香部位沉香样品,采用高效液相法进行含量测定及特征图谱,并进行薄层色谱鉴别,分析不同结香部位沉香的化学成分差异,以期为后续优化结香方法及深入研究结香机制提供科学依据。
Ultimate 3000型高效液相色谱仪:美国Thermo Fisher Scientific公司;Waters Symmetry Shield TM RP18型高效液相色谱仪:美国Waters公司;ZF-7型暗箱式三用紫外分析仪:上海嘉鹏科技有限公司;KQ-600KDE型高功率数控超声波清洗器:昆山市超声仪器有限公司;FA2004型分析天平:上海舜宇恒平科学仪器有限公司;AP-01P真空泵:天津奥特赛恩斯仪器有限公司。
无水乙醇(分析纯):天津市德恩化学试剂有限公司;甲醇(色谱纯):美国Sigma-Aldrich公司;乙醚(分析纯):天津市大茂化学试剂厂;三氯甲烷(分析纯):天津市大茂化学试剂厂;乙腈(色谱纯):上海麦克林生化科技有限公司;甲酸(色谱纯):天津市德恩化学试剂有限公司;水为超纯水;沉香对照药材(批号:ycwkq18050707):四川省维克奇生物科技有限公司;沉香四醇(批号:wkq20020401):四川省维克奇生物科技有限公司;26批沉香样品采自广东省香务大臣生物科技有限公司阳西市沉香种植基地,经新乡医学院药学院吴泽青副教授鉴定树种为白木香Aquilaria sinensis(Lour.)Gilg。2018年5月—2018年12月采用人工诱导法即输液接菌法对9~10年生白木香树进行人工诱导,诱导2年后采样,阴干,待用。沉香药材主干标记为T,支干标记为B,见插页ⅩⅨ图1。
取本品粉末0.5 g,加乙醚30 mL,超声处理60 min,滤过,滤液蒸干,残渣加三氯甲烷2 mL使溶解,作为供试品溶液。
取沉香对照药材0.5 g,同法制成对照药材溶液。
吸取上述两种溶液各10μL,分别点于同一硅胶HSGF254薄层板上,以三氯甲烷-乙醚(10∶1)为展开剂,展开,取出,晾干,置紫外光灯(365 nm和254 nm)下检视。
色谱柱:Waters Symmetry Shield TM RP18(4.6 mm×250 mm,5μm);流动相:乙腈(A)-0.1%甲酸水(B),洗脱梯度[15%20%A(0~10 min),20%~23%A(10~19 min),23%33%A(19~21 min),33%A(21~25.1 min),95%A(25.1~35 min),95%~15%A(35~40 min)];流速:0.7 mL·min-1;柱温:30℃;进样量:10μL;检测波长:252 nm。理论板数按沉香四醇峰计算应不低于6000。
取本品粉末(过三号筛)约0.2 g,精密称定,置具塞锥形瓶中,精密加入乙醇10 mL,称定重量,浸泡0.5 h,超声处理(功率250 W,频率40 kHz)1 h,放冷,再称定重量,用乙醇补足减失的重量,摇匀,静置,取上清液滤过,取续滤液,即得,制备好的沉香样品溶液用0.22μm微孔滤膜过滤,注入样品瓶中备用。
取沉香四醇对照品适量,精密称定,用无水乙醇溶解,并用25 mL容量瓶定容,摇匀,制成浓度为58.4μg·mL-1的对照品溶液,用0.22μm微孔滤膜过滤备用。
色谱柱:Waters Symmetry Shield TM RP18(4.6 mm×250 mm,5μm);流动相:乙腈(A)-0.1%甲酸水(B),洗脱梯度[15%20%A(010 min),20%23%A(1019 min),2333A(1921 min),33%A(2139 min),3335A(3940 min),35%A(4050 min),395A(5060 min),9515A(6065 min)];流速:0.7 mL·min-1;柱温:30℃;进样量:10 μL;检测波长:252 nm。理论塔板数按沉香四醇峰计算应不低于6000。
方法同“2.2.2”。
取沉香对照药材约0.2 g,精密称定,置具塞锥形瓶中,精密加入乙醇10 mL,称定重量,超声处理(功率250 W,频率40 kHz)1 h,放冷,再称定重量,用乙醇补足减失的重量,摇匀,静置,取上清液滤过,取续滤液,制备好的沉香样品溶液用0.22μm微孔滤膜过滤,注入样品瓶中备用。
按“2.3.1”项下的色谱条件,取同一份对照品溶液,连续进样6次,计算得到各成分峰面积的RSD均小于0.61%,说明仪器精密度良好。
按“2.2.2”项下方法平行制备6份供试品溶液,按“2.3.1”项下的色谱条件,分别在0 h、2 h、4 h、8 h、16 h、32 h进样测定,计算得到峰面积的RSD均小于0.66%,说明在32 h内供试品溶液稳定性良好。
按“2.2.2”项下方法平行制备6份供试品溶液,按“2.3.1”项下的色谱条件进样测定,计算得到沉香四醇峰面积的RSD均小于0.91%,说明该方法重复性良好。
取同一批已知含量沉香供试品6份,每份取样约1 g,精密称定。每份再精密加入沉香对照品适量,按“2.2.2”项下的方法,制备供试品溶液,按“2.3.1”项下的色谱条件测定,计算得到沉香四醇的平均加样回收率为97.09%,RSD为1.23%。
供试品与对照药材薄层色谱图见插页ⅩⅨ图2。
分别取待测供试品和对照品,在“2.2.1”色谱条件下进行样品含量测定,HPLC色谱图见插页ⅩⅩ图3、表1。
取26批沉香样品,按“2.2.2”项下方法制备供试品溶液,按“2.3.1”项下色谱条件依次进样测定,记录HPLC特征图谱。采用《中药色谱指纹图谱相似度评价系统》2012.130723版(以下简称相似度评价系统)进行数据处理,设定图谱中B10、T10色谱为参照图谱,设定时间窗宽度0.1 min,采用中位数法,进行多点校正和Mark峰匹配生成沉香共有模式图谱,共标定6个共有峰,通过与对照药材峰比对,指认了其中的3个共有峰,分别为沉香四醇(峰1)、8-氯-2-(2-苯乙基)-5,6,7-三羟基-5,6,7,8-四氢色酮(峰3)、6,4’-二羟基-3’-甲氧基-2-(2-苯乙基)色酮(峰5)。1号色谱峰为沉香四醇特征峰,其含量高低在一定程度上可以反映沉香质量的品质,可以看出除4号、9号、12号、13号之外,其余各组的支干沉香四醇含量均高于主干,见表2。26批沉香样品特征图峰及共有模式图谱、对照药材HPLC色谱图。见插页ⅩⅪ-ⅩⅫ图4。
以共有模式对照图谱作为参照图谱,进行相似度评价,相似度可以体现不同批次样品间各成分在种类及其相对量上的整体相似程度,结果见表3。分析结果表明,26批沉香样品的主干相似度为0.842~0.999,支干相似度为0.901~0.994。表明沉香的主干与支干可能存在一定的质量差异,如需更为客观地反映沉香的内在品质,需进行后续的化学计量学分析。
峰6色谱峰峰形佳,峰面积较大,分离度高,且为《中华人民共和国药典》(2020年版)上规定的特征峰,除3号、4号、8号、12号、13号样品外,其余各组对应峰面积支干均大于主干。确定峰6为参照峰(S),分别计算其他共有峰的相对保留时间和相对峰面积,结果各共有峰的相对保留时间RSD<2%,共有峰相对峰面积RSD差异较大,说明不同沉香的主干和支干的同一化学成分的含量差异较大。各共有峰相对峰面积及RSD。见表4。
将各共有峰的峰面积数据标准化处理后导入IBM SPSSStatistics 27.0软件,进行主成分分析,见表5、表6。主成分1的累计方差贡献率为78.082%,能够代表沉香特征图谱共有峰大部分信息,结合碎石图(插页ⅩⅩ图5-A)突变点,提取1个主成分进行评价。成分矩阵反映了各变量对主成分贡献的大小和方向,数值越大表示与主成分相关性越高。由表6可知,峰4、峰6对主成分1贡献最大,其变量的权重值可以最大程度反映化学成分与药材质量的相关性,故这些成分是影响沉香主干及支干质量差异的重要因素。
将沉香26批样品的6个共有峰的峰面积输入Excel表格内,利用SIMCA 14.1软件对26批沉香药材样品共有峰的相对峰面积采用无监督模式的PCA分析,归一化方法选择Par默认自动建模(Autofit),如插页ⅩⅩ图5-B所示,结果发现R2 X=0.9>0.5、Q2=0.678>0.5,说明模型拟合准确性和预测能力较好。从插页ⅩⅩ图5-B中可以看出大部分样本均在95%的置信区间内,累计方差贡献率为90% >85%。从无监督的PCA分析中无法完全区分沉香物质,还需进行有监督的OPLS-DA分析。
在主成分分析的基础上,对26批沉香样品6个共有峰进行有监督的OPLS-DA模式识别分析,筛选出引起组间差异较大的色谱峰。OPLS-DA模型主要是以数据变量重要性作为依据来筛选差异代谢产物,能够把握数据的整体特征及变异规律,见插页ⅩⅫ图6-A。考虑到可能出现对数据的过度拟合,此外本研究还进行OPLS-DA模型验证(置换检验n=200),结果显示R2拟合直线Y轴截距为0.166<0.3,表明所建立的OPLSDA模型结果可靠;Q2拟合直线Y轴截距为-0.236<0,表明所构建的OPLS-DA模型不存在过度拟合现象,预测能力好,见插页ⅩⅫ图6-B。
在OPLS-DA模型下,生成载荷图(Loading Biplot),见插页ⅩⅫ图6-C。载荷图中共有峰分布的位置表明其对样品分组相应的贡献率,获得S-plots图和VIP来描述变量的贡献程度,结果见插页ⅩⅫ图6-D,插页ⅩⅫ图6-E。在相应的S-plot图中离原点较远和VIP>1的变量被认为在样本分组方面有显著性贡献[25-26]。VIP值越大,表明该色谱峰对沉香的分类贡献程度越大,VIP>1的有成分峰4,峰6。在S-plots图中,也能显示出这2个化学成分的变量离原点的距离较远,说明这2个成分是造成沉香不同部位质量差异的主要标记成分。
薄层色谱结果显示,样品荧光斑点Rf值与对照药材基本一致。通过观察薄层色谱图,在紫外分析仪254 nm下检视,Rf值为0.30和0.38时,样品斑点颜色支干较主干更为明显;对于Rf值为0.74和0.82相对应斑点在大多样品中均有出现且主干部分多于支干部分;Rf值0.66支干与主干部位颜色均较浅。在紫外分析仪365nm下检视,Rf值为0.59和0.72时,主干部分斑点颜色较支干部分更为明显。综上所述,该人工诱导法所得沉香的支干与主干存在差异。
含量测定结果显示,沉香四醇含量范围为0.02% ~0.58%,主干的沉香四醇平均含量为0.19,支干的沉香四醇平均含量为0.24,两者相比,支干的沉香四醇平均含量比主干含量较高。对同一样品不同部位沉香四醇含量进行分析可以看出,4号样品,其主干部位含量为0.25%,而其支干则仅为0.05%;6号样品,其支干含量为0.49%,但主干仅为0.08%。对于不同样品间沉香四醇含量也有着一定的不同,沉香四醇含量百分数最高为0.58%,样品编号为B11;最低为0.02%,样品编号为T1。其中10号样品的沉香四醇平均含量最高为0.52%,9号样品的沉香四醇平均含量最低为0.04%,这些差异可能是存在个体性差异造成的。沉香四醇的含量在一定程度上反映了沉香的品质,是评价沉香品质的一个重要指标[27-28]。
为明确沉香的质量标志物,本研究采用HPLC对26批的沉香样品进行研究,建立沉香主干与支干的特征图谱,确认了6个共有峰。从共有峰1沉香四醇可得,除4号、9号、12号、13号之外,其余各组的支干沉香四醇含量均高于主干。相似度评价发现,沉香样品图谱主干T的相似度为0.842~0.999,支干B的相似度为0.901~0.998,表明沉香化学成分相似度较高,支干相似度比主干相似度效果较好,但仍存在一定差异。并结合PCA和OPLS-DA等化学计量学方法对其进行了综合质量评价,发现共有峰4,峰6是区分沉香主干及支干的重要差异性成分。本文采用高效液相法对沉香主干和支干进行特征图谱分析,为深入了解其化学成分,后续将利用气相色谱-质谱联用、液相色谱-质谱联用等多种技术手段,对研究不同部位沉香存在差异提供更有力的支持[29-33]。
综上所述,不同部位沉香样品的荧光斑点与对照药材基本一致。不同结香部位沉香样品的化学成分有明显差异,除部分样品表现出明显的个体差异外,其余沉香样品的支干结香效果较为突出,且支干相似度比主干相似度效果较好。结合PCA和OPLS-DA等化学计量学方法,发现共有峰4和共有峰6对不同部位沉香的结香质量影响较大,可作为引起沉香主干及支干结香差异的潜在标志物,本实验建立的方法为评价不同结香部位沉香质量提供参考,也为后续深入研究结香机制提供依据。
  • 国家自然科学基金项目(82003893)
  • 广东省基础与应用基础研究基金区域联合基金项目(2021B1515140009)
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2025年第43卷第6期
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doi: 10.13193/j.issn.1673-7717.2025.06.020
  • 首发时间:2026-10-30
  • 出版时间:2025-06-10
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基金
国家自然科学基金项目(82003893)
广东省基础与应用基础研究基金区域联合基金项目(2021B1515140009)
作者信息
    1.新乡医学院药学院,河南 新乡 453003
    2.东莞广州中医药大学研究院,广东 东莞 523007
    3.广东云浮中医药职业学院,广东 云浮 527300
    4.广州中医药大学科技创新中心,广东 广州 510405

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吴泽青(1988-),女,河南新乡人,副教授,硕士研究生导师,博士,研究方向:中药资源开发与新药。E-mail:。
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2种不同金属材料的力学参数
科
Family
属数
Number of
genus
种数
Number of
species
占总种数比例
Percentage of
total species (%)
属
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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