Article(id=1218263337817788809, tenantId=1146029695717560320, journalId=1189982191388893191, issueId=1218263332839145821, articleNumber=null, orderNo=null, doi=10.16438/j.0513-4870.2016-0967, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=research-article, receivedDate=1477756800000, receivedDateStr=2016-10-30, revisedDate=1482681600000, revisedDateStr=2016-12-26, acceptedDate=null, acceptedDateStr=null, onlineDate=1768386213974, onlineDateStr=2026-01-14, pubDate=1491926400000, pubDateStr=2017-04-12, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1768386213974, onlineIssueDateStr=2026-01-14, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1768386213974, creator=13701087609, updateTime=1768386213974, updator=13701087609, issue=Issue{id=1218263332839145821, tenantId=1146029695717560320, journalId=1189982191388893191, year='2017', volume='52', issue='4', pageStart='505', pageEnd='657', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1768386212787, creator=13701087609, updateTime=1768386528403, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1218264656683123570, tenantId=1146029695717560320, journalId=1189982191388893191, issueId=1218263332839145821, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1218264656683123571, tenantId=1146029695717560320, journalId=1189982191388893191, issueId=1218263332839145821, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=603, endPage=608, ext={EN=ArticleExt(id=1218263338375631284, articleId=1218263337817788809, tenantId=1146029695717560320, journalId=1189982191388893191, language=EN, title=Qualitative and quantitative analysis of major constituents of raw and processed Arctii Fructus by UHPLC-UV-Q-TOF-MS/MS, columnId=null, journalTitle=Acta Pharmaceutica Sinica, columnName=null, runingTitle=null, highlight=null, articleAbstract=
In this study, we developed a qualitative analytical method based on liquid chromatography coupled with quadrupole time-of-flight tandem mass spectrometry (UHPLC-Q-TOF-MS/MS) for identification of multi-constituents of raw Fructus Arctii (RFA) and processed Fructus Arctii (PFA). We established a UHPLC-UV analytical method for simultaneously determining 6 major compounds in Fructus Arctii. UHPLC-Q-TOF-MS/MS qualitative analysis was performed under negative and positive ion modes and a total of 23 chemical compounds were identified. The analysis data were subjected to a principle component analysis with a t-test. Ten peaks were found to be the main difference (P < 0.05) between RFA and PFA. HPLC-UV quantitative method result showed the contents of 6 constituents were different between RFA and PFA. The results indicated that there was less arctiin, chlorogenic acid, isochlorogenic acid A in PFA than in RFA. However, there were higher levels of arctigenin, isochlorogenic acid B, isochlorogenic acid C in the PFA than RFA, which may be the main reason for different clinical efficacy of RFA and PFA.
, correspAuthors=Bao-chang CAI, authorNote=null, correspAuthorsNote=null, copyrightStatement=Copyright ©2017 Acta Pharmaceutica Sinica. All rights reserved., 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=Jing HU, Kun-ming QIN, Ting-ting ZHU, Xiao-li WANG, Meng-xue FAN, Bao-chang CAI), CN=ArticleExt(id=1218263340154016352, articleId=1218263337817788809, tenantId=1146029695717560320, journalId=1189982191388893191, language=CN, title=基于UHPLC-UV-Q-TOF-MS/MS的牛蒡子炒制前后化学成分定性定量研究, columnId=1190335348896011050, journalTitle=药学学报, columnName=研究论文, runingTitle=null, highlight=null, articleAbstract=
采用UHPLC-Q-TOF-MS/MS技术定性和HPLC-UV定量多指标相结合的综合分析方法,探讨牛蒡子炒制前后化学成分变化。定性采用正负离子扫描模式,应用Peakview1.2分析鉴定出23种成分,发现牛蒡子炒制前后质变成分较少,量变成分较多,并结合MarkerView1.2.1软件进行主成分分析和t检验,得出10种主要差异性成分;定量分析6种主要成分的变化,发现牛蒡子经过炒制之后绿原酸、牛蒡苷、异绿原酸A含量下降,异绿原酸B、异绿原酸C、牛蒡苷元含量增加,上述化学成分的差异可能是牛蒡子生品和炒品临床功效不同的主要原因。
, correspAuthors=蔡宝昌, authorNote=null, correspAuthorsNote=
, copyrightStatement=版权所有©《药学学报》编辑部2017, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=QREYqizaSwsJGTKd1ceq8g==, magXml=Q0FytxvRkk6Fa0a9SH/yMg==, pdfUrl=null, pdf=zzct3ryE++NMYF60Ei+D3A==, pdfFileSize=2935088, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=UNfaJLQIL9fYVilQwnXHAA==, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=Z43atuXAz8hsDkRxRBGn1w==, mapNumber=null, authorCompany=null, fund=null, authors=null, authorsList=胡静, 秦昆明, 祝婷婷, 汪小莉, 范孟雪, 蔡宝昌)}, authors=[Author(id=1218968427176317877, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1218263337817788809, orderNo=0, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=null, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1218968427289564099, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1218263337817788809, authorId=1218968427176317877, language=EN, stringName=Jing HU, firstName=Jing, middleName=null, lastName=HU, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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2, 3, address=2. Nanjing Haiyuan Prepared Slices of Chinese Crude Drugs Co. Ltd, Nanjing 210061, China
3. Nanjing Haichang Chinese Medicine Corporation, Nanjing 210061, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1218968427943874568, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1218263337817788809, authorId=1218968427570582499, language=CN, stringName=秦昆明, firstName=昆明, middleName=null, lastName=秦, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
2, 3, address=2.南京海源中药饮片有限公司, 江苏 南京 210061
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1, address=1.南京中医药大学国家教育部中药炮制规范化及标准化工程研究中心, 江苏 南京 210023, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1218968426706555774, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1218263337817788809, xref=null, ext=[AuthorCompanyExt(id=1218968426714944384, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1218263337817788809, companyId=1218968426706555774, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=1. Engineering Center of State Ministry of Education for Standardization of Chinese Medicine Processing, Nanjing University of Chinese Medicine, Nanjing 210023, China), AuthorCompanyExt(id=1218968426723332993, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1218263337817788809, companyId=1218968426706555774, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=1.南京中医药大学国家教育部中药炮制规范化及标准化工程研究中心, 江苏 南京 210023)])]), Author(id=1218968429856477265, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1218263337817788809, orderNo=3, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=null, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1218968429994889310, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1218263337817788809, authorId=1218968429856477265, language=EN, stringName=Xiao-li WANG, firstName=Xiao-li, middleName=null, lastName=WANG, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1, address=1.南京中医药大学国家教育部中药炮制规范化及标准化工程研究中心, 江苏 南京 210023, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1218968426706555774, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1218263337817788809, xref=null, ext=[AuthorCompanyExt(id=1218968426714944384, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1218263337817788809, companyId=1218968426706555774, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=1. Engineering Center of State Ministry of Education for Standardization of Chinese Medicine Processing, Nanjing University of Chinese Medicine, Nanjing 210023, China), AuthorCompanyExt(id=1218968426723332993, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1218263337817788809, companyId=1218968426706555774, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=1.南京中医药大学国家教育部中药炮制规范化及标准化工程研究中心, 江苏 南京 210023)])]), Author(id=1218968430343016592, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1218263337817788809, orderNo=4, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=null, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1218968430535954591, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1218263337817788809, authorId=1218968430343016592, language=EN, stringName=Meng-xue FAN, firstName=Meng-xue, middleName=null, lastName=FAN, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1, 2, 3, *, address=1. Engineering Center of State Ministry of Education for Standardization of Chinese Medicine Processing, Nanjing University of Chinese Medicine, Nanjing 210023, China
2. Nanjing Haiyuan Prepared Slices of Chinese Crude Drugs Co. Ltd, Nanjing 210061, China
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2.南京海源中药饮片有限公司, 江苏 南京 210061
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Pharmacopoeia of the People's Republic of China (中华人民共和国药典)[S]. 2015ed. Vol 1. Beijing: China Medical Science Press, 2015., articleTitle=null, refAbstract=null), Reference(id=1218968436621890281, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1218263337817788809, doi=null, pmid=null, pmcid=null, year=null, volume=null, issue=null, pageStart=null, pageEnd=null, url=null, language=null, rfNumber=[2], rfOrder=1, authorNames=null, journalName=null, refType=null, unstructuredReference=Qin KM, Wang B, Li WD, et al. Quality assessment of raw and processed
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Arctium lappa L. (牛蒡子的化学成分研究与抗肿瘤作用初步研究)[D]. Guangzhou: Guangzhou University of Chinese Medicine, 2008., articleTitle=null, refAbstract=null), Reference(id=1218968439067169623, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1218263337817788809, doi=null, pmid=null, pmcid=null, year=null, volume=null, issue=null, pageStart=null, pageEnd=null, url=null, language=null, rfNumber=[10], rfOrder=9, authorNames=null, journalName=null, refType=null, unstructuredReference=Wu XL, Wang J, Ren J, et al. Nuclear magnetic resonance spectroscopy-based metabonomics study on metabolic markers of chlorogenic acid against mouse breast cancer[J]. Chin J Antibiot (中国抗生素杂志), 2013, 38:444-449., articleTitle=null, refAbstract=null), Reference(id=1218968439205581671, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1218263337817788809, doi=null, pmid=null, pmcid=null, year=null, volume=null, issue=null, pageStart=null, pageEnd=null, url=null, language=null, rfNumber=[11], rfOrder=10, authorNames=null, journalName=null, refType=null, unstructuredReference=Xiao HR, LiuY, Sun QY, et al. Study on the inhibitory effects of chlorogenic acid on CT26 colon cancer[J]. 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The typical total ion chromatograms (TIC) of RFA (A) and PFA (B) in negative ion mode. The peak numbers represent the same meanings as in Table 1
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The final PCA score plot (A), loading plot (B) of RFA and PFA in negative ion mode
, figureFileSmall=TKxroZxrsMTsegCvcXY/+Q==, figureFileBig=yyR6o1TpuseAWS5OxPYQlQ==, tableContent=null), ArticleFig(id=1218968434944168489, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1218263337817788809, language=EN, label=null, caption=null, figureFileSmall=q8lJi7lA15EDVEACe2+fiQ==, figureFileBig=kqP3gdk1IBzICqWwTgUf3g==, tableContent=null), ArticleFig(id=1218968435120329281, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1218263337817788809, language=CN, label=Figure 3, caption=
Content change of main active components in RFA and PFA from different locations
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| No | Compound | Element composition | Mr | tR/ min | Negative ion | | Positive ion |
| ppm | Detected | Ion type | RFA | PFA | ppm | Detected | Ion type | RFA | PFA |
| 1 | Chlorogenic acid** | C16H18O9 | 354.095 1 | 7.44 | −2.0 | 353.087 1 | [M−H]– | + | + | | 1.2 | 355.103 1 | [M+H]+ | + | + |
| 2 | Caffeic acid | C9H8O4 | 180.042 3 | 8.06 | 0.4 | 179.036 7 | [M−H]– | + | + | 0 | 181.049 6 | [M+H]+ | + | + |
| 3 | 3-O-Feruloylquinic | C17H20O9 | 368.110 7 | 8.99 | −3.1 | 367.102 3 | [M−H]– | + | + | 3.6 | 369.116 8 | [M+H]+ | + | − |
| 4 | 8-Hydroxypinoresinol | C20H22O7 | 374.136 6 | 9.24 | −3.5 | 373.128 0 | [M−H]– | – | + | | | | − | − |
| 5 | Isochlorogenic acid B** | C25H24O12 | 516.126 8 | 9.95 | 0.4 | 515.119 7 | [M−H]– | + | + | −3.1 | 517.132 4 | [M+H]+ | + | + |
| 6 | Isochlorogenic acid A** | C25H24O12 | 516.126 8 | 10.12 | −3.1 | 515.117 9 | [M−H]– | + | + | −3.4 | 517.132 31 | [M+H]+ | + | + |
| 7 | 3, 4-Dicaffeoyl-5-succinoylquinic acid | C25H24O12 | 516.126 8 | 10.15 | 0.9 | 515.118 7 | [M−H]– | + | − | 0.9 | 517.134 1 | [M+H]+ | + | + |
| 8 | Isochlorogenic acid C** | C25H24O12 | 516.126 8 | 10.28 | 0.5 | 515.119 8 | [M−H]– | + | + | −3.5 | 517.132 22 | [M+H]+ | + | + |
| 9 | Matairesinoside | C26H32O11 | 520.194 5 | 10.53 | −0.9 | 519.186 7 | [M−H]– | + | + | 0.9 | 538.228 5 | [M+NH4]+ | + | + |
| 10 | Arctiin* | C27H34O11 | 534.210 1 | 11.41 | 1.3 | 579.208 0 | [M+COOH]– | + | + | −3.9 | 535.216 4 | [M+H]+ | + | + |
| 11 | Acanthoside B | C28H36O13 | 580.215 6 | 11.41 | 0 | 579.208 3 | [M−H]– | + | + | | | | − | − |
| 12 | Lappaol C/Isolappaol C/ Lappaol E/Arctignan A* | C30H34O10 | 554.215 2 | 11.87 | −0.9 | 553.207 4 | [M−H]– | + | + | | | | − | − |
| 13 | Lappaol H* | C40H46O14 | 750.288 8 | 12.81 | 3.2 | 749.282 0 | [M−H]– | + | + | | | | − | − |
| 14 | Lappaol D | C31H36O10 | 568.230 9 | 13.39 | −0.4 | 567.223 4 | [M−H]– | + | + | | | | − | − |
| 15 | Matairesinol | C20H22O6 | 358.141 6 | 14.35 | −0.5 | 357.134 2 | [M−H]– | + | + | 0.8 | 376.176 0 | [M+NH4]+ | + | + |
| 16 | (+)-Fraxiresinol | C21H24O8 | 404.147 1 | 14.35 | −1.6 | 403.139 2 | [M−H]– | + | + | | | | − | − |
| 17 | Methylarctigenin | C22H26O6 | 386.172 9 | 14.38 | | | | − | − | 0.9 | 404.207 3 | [M+NH4]+ | + | + |
| 18 | Lappaol A* | C30H32O9 | 536.204 6 | 16.86 | −0.5 | 535.197 1 | [M−H]– | + | + | | | | − | − |
| 19 | Arctigenin* | C21H24O6 | 372.157 3 | 17.52 | | | | − | − | 0.2 | 373.165 0 | [M+H]+ | + | + |
| 20 | (+)-7, 8-Didehydroaretigenin | C21H22O6 | 370.141 6 | 17.60 | −0.4 | 369.133 5 | [M−H]– | + | + | 0.2 | 371.149 2 | [M+H]+ | + | + |
| 21 | Lappaol F** | C40H42O12 | 714.267 6 | 18.78 | 1.4 | 713.261 3 | [M−H]– | + | + | 0.6 | 732.302 9 | [M+NH4]+ | − | + |
| 22 | Lappaol B | C31H34O9 | 550.220 3 | 19.66 | −0.4 | 549.198 7 | [M−H]– | − | + | | | | − | − |
| 23 | Diarctigenin/Neoarctin A/Neoarctin B | C42H46O12 | 742.298 9 | 28.45 | 0.9 | 741.291 3 | [M−H]− | + | + | −0.7 | 760.333 5 | [M+NH4]+ | + | + |
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Components identified from raw Fructus Arctii (RFA) and processed Fructus Arctii (PFA). *P < 0.05, **P < 0.01 vs RFA
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| No | Compound | Element composition | Mr | tR/ min | Negative ion | | Positive ion |
| ppm | Detected | Ion type | RFA | PFA | ppm | Detected | Ion type | RFA | PFA |
| 1 | Chlorogenic acid** | C16H18O9 | 354.095 1 | 7.44 | −2.0 | 353.087 1 | [M−H]– | + | + | | 1.2 | 355.103 1 | [M+H]+ | + | + |
| 2 | Caffeic acid | C9H8O4 | 180.042 3 | 8.06 | 0.4 | 179.036 7 | [M−H]– | + | + | 0 | 181.049 6 | [M+H]+ | + | + |
| 3 | 3-O-Feruloylquinic | C17H20O9 | 368.110 7 | 8.99 | −3.1 | 367.102 3 | [M−H]– | + | + | 3.6 | 369.116 8 | [M+H]+ | + | − |
| 4 | 8-Hydroxypinoresinol | C20H22O7 | 374.136 6 | 9.24 | −3.5 | 373.128 0 | [M−H]– | – | + | | | | − | − |
| 5 | Isochlorogenic acid B** | C25H24O12 | 516.126 8 | 9.95 | 0.4 | 515.119 7 | [M−H]– | + | + | −3.1 | 517.132 4 | [M+H]+ | + | + |
| 6 | Isochlorogenic acid A** | C25H24O12 | 516.126 8 | 10.12 | −3.1 | 515.117 9 | [M−H]– | + | + | −3.4 | 517.132 31 | [M+H]+ | + | + |
| 7 | 3, 4-Dicaffeoyl-5-succinoylquinic acid | C25H24O12 | 516.126 8 | 10.15 | 0.9 | 515.118 7 | [M−H]– | + | − | 0.9 | 517.134 1 | [M+H]+ | + | + |
| 8 | Isochlorogenic acid C** | C25H24O12 | 516.126 8 | 10.28 | 0.5 | 515.119 8 | [M−H]– | + | + | −3.5 | 517.132 22 | [M+H]+ | + | + |
| 9 | Matairesinoside | C26H32O11 | 520.194 5 | 10.53 | −0.9 | 519.186 7 | [M−H]– | + | + | 0.9 | 538.228 5 | [M+NH4]+ | + | + |
| 10 | Arctiin* | C27H34O11 | 534.210 1 | 11.41 | 1.3 | 579.208 0 | [M+COOH]– | + | + | −3.9 | 535.216 4 | [M+H]+ | + | + |
| 11 | Acanthoside B | C28H36O13 | 580.215 6 | 11.41 | 0 | 579.208 3 | [M−H]– | + | + | | | | − | − |
| 12 | Lappaol C/Isolappaol C/ Lappaol E/Arctignan A* | C30H34O10 | 554.215 2 | 11.87 | −0.9 | 553.207 4 | [M−H]– | + | + | | | | − | − |
| 13 | Lappaol H* | C40H46O14 | 750.288 8 | 12.81 | 3.2 | 749.282 0 | [M−H]– | + | + | | | | − | − |
| 14 | Lappaol D | C31H36O10 | 568.230 9 | 13.39 | −0.4 | 567.223 4 | [M−H]– | + | + | | | | − | − |
| 15 | Matairesinol | C20H22O6 | 358.141 6 | 14.35 | −0.5 | 357.134 2 | [M−H]– | + | + | 0.8 | 376.176 0 | [M+NH4]+ | + | + |
| 16 | (+)-Fraxiresinol | C21H24O8 | 404.147 1 | 14.35 | −1.6 | 403.139 2 | [M−H]– | + | + | | | | − | − |
| 17 | Methylarctigenin | C22H26O6 | 386.172 9 | 14.38 | | | | − | − | 0.9 | 404.207 3 | [M+NH4]+ | + | + |
| 18 | Lappaol A* | C30H32O9 | 536.204 6 | 16.86 | −0.5 | 535.197 1 | [M−H]– | + | + | | | | − | − |
| 19 | Arctigenin* | C21H24O6 | 372.157 3 | 17.52 | | | | − | − | 0.2 | 373.165 0 | [M+H]+ | + | + |
| 20 | (+)-7, 8-Didehydroaretigenin | C21H22O6 | 370.141 6 | 17.60 | −0.4 | 369.133 5 | [M−H]– | + | + | 0.2 | 371.149 2 | [M+H]+ | + | + |
| 21 | Lappaol F** | C40H42O12 | 714.267 6 | 18.78 | 1.4 | 713.261 3 | [M−H]– | + | + | 0.6 | 732.302 9 | [M+NH4]+ | − | + |
| 22 | Lappaol B | C31H34O9 | 550.220 3 | 19.66 | −0.4 | 549.198 7 | [M−H]– | − | + | | | | − | − |
| 23 | Diarctigenin/Neoarctin A/Neoarctin B | C42H46O12 | 742.298 9 | 28.45 | 0.9 | 741.291 3 | [M−H]− | + | + | −0.7 | 760.333 5 | [M+NH4]+ | + | + |
), ArticleFig(id=1218968435569119858, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1218263337817788809, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| Analyte | Regression equation | r2 | Linear range / μg·mL−1 |
| Chlorogenic acid | y=18 205x-13 365 | 0.999 6 | 3.137 5-200.80 |
| Isochlorogenic acid B | y=20 443x-38 243 | 0.999 4 | 1.753 1-56.100 |
| Isochlorogenic acid A | y=21 784x-68 944 | 1.000 0 | 6.362 5-203.60 |
| Isochlorogenic acid C | y=22 955x-45 555 | 0.999 9 | 6.575 0-210.40 |
| Arctiin | y=3 709.9x+17 034 | 0.999 2 | 44.625-1 428.0 |
| Arctigenin | y=6 984.4x-881.05 | 0.999 4 | 6.412 5-205.20 |
), ArticleFig(id=1218968435686560384, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1218263337817788809, language=CN, label=Table 2, caption=
Linear results of 6 components in Fructus Arctii
, figureFileSmall=null, figureFileBig=null, tableContent=
| Analyte | Regression equation | r2 | Linear range / μg·mL−1 |
| Chlorogenic acid | y=18 205x-13 365 | 0.999 6 | 3.137 5-200.80 |
| Isochlorogenic acid B | y=20 443x-38 243 | 0.999 4 | 1.753 1-56.100 |
| Isochlorogenic acid A | y=21 784x-68 944 | 1.000 0 | 6.362 5-203.60 |
| Isochlorogenic acid C | y=22 955x-45 555 | 0.999 9 | 6.575 0-210.40 |
| Arctiin | y=3 709.9x+17 034 | 0.999 2 | 44.625-1 428.0 |
| Arctigenin | y=6 984.4x-881.05 | 0.999 4 | 6.412 5-205.20 |
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