Article(id=1208491489252979395, tenantId=1146029695717560320, journalId=1189982191388893191, issueId=1208491481367687341, articleNumber=null, orderNo=null, doi=10.16438/j.0513-4870.2021-0477, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=research-article, receivedDate=1617292800000, receivedDateStr=2021-04-02, revisedDate=1621267200000, revisedDateStr=2021-05-18, acceptedDate=null, acceptedDateStr=null, onlineDate=1766056423724, onlineDateStr=2025-12-18, pubDate=1626019200000, pubDateStr=2021-07-12, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1766056423724, onlineIssueDateStr=2025-12-18, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1766056423724, creator=13701087609, updateTime=1766056423724, updator=13701087609, issue=Issue{id=1208491481367687341, tenantId=1146029695717560320, journalId=1189982191388893191, year='2021', volume='56', issue='7', pageStart='1749', pageEnd='2038', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1766056421844, creator=13701087609, updateTime=1766137126496, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1208829981292106015, tenantId=1146029695717560320, journalId=1189982191388893191, issueId=1208491481367687341, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1208829981292106016, tenantId=1146029695717560320, journalId=1189982191388893191, issueId=1208491481367687341, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=1820, endPage=1825, ext={EN=ArticleExt(id=1208491490318332717, articleId=1208491489252979395, tenantId=1146029695717560320, journalId=1189982191388893191, language=EN, title=Development of a liquid-liquid microextraction GC-MS method for simultaneous determination and pharmacokinetic analysis of
β-elemene in rat plasma after administration of citronella grass extract, columnId=1208491483917824323, journalTitle=Acta Pharmaceutica Sinica, columnName=Special Reports: Focalizing on the research of the quality control and
in vivo process of natural drugs, runingTitle=null, highlight=null, articleAbstract=
We established a simple and sensitive GC-MS method for the determination of β-elemene in rat plasma and measured the pharmacokinetics of citronella grass extract in rats. Plasma samples were pretreated using liquid-liquid microextraction: 100 μL of plasma sample (containing naphthalene as the internal standard) was extracted with 50 μL of n-hexane. The determination was performed on DB-5ms column (30 m×0.25 mm, 0.25 μm). The initial column temperature was 60℃ and raised to 160℃ at a rate of 50℃·min-1, maintained for 3 min, and finally increased to 260℃ for 3 min. Helium was the carrier gas and the flow rate was 0.15 mL·min-1. The injection volume was 2 μL. EI and selected monitored ions pattern were used for ion scanning with m/z 128 (naphthalene) and m/z 93 (β-elemene). Citronella grass extract was administered to rats by intragastric administration and intravenous administration (containing β-elemene 55 mg·kg-1), and plasma was collected and prepared using an automated blood collection system. The linear range of β-elemene in plasma was 1.0-250 ng·mL-1 (r=0.997), the limit of quantification was 1.0 ng·mL-1, the accuracy was -4.47%﹣-0.85%, the extraction recovery was between 56.02%-66.89%, and no obvious matrix effect (94.28%-108.63%) was found. The main pharmacokinetic parameters of β-elemene were AUC0-t (23.56±4.40) ng·mL-1, tmax (1.67±0.58) h, Cmax (7.36±0.69) ng·mL-1, MRT0-t (2.76±0.27) h, t1/2z (2.73±1.36) h, Vz (7.39±3.18) L·kg-1, CLz (1.95±0.51) L·h-1·kg-1, and the absolute bioavailability was about 8.78%. The method is simple, accurate, and sensitive, and is suitable for the pharmacokinetic analysis of β-elemene in citronella grass extract in rats. All animal studies were implemented according to protocols, which were reviewed and approved by the Institutional Animal Care and Use Committee at Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences.
, correspAuthors=Wei-peng YANG, authorNote=null, correspAuthorsNote=null, copyrightStatement=Copyright ©2021 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=Tao LI, Xue FENG, Xue FENG, Juan PENG, Xiao-liang ZHAO, Jia LI, Wei-peng YANG), CN=ArticleExt(id=1208491492235129751, articleId=1208491489252979395, tenantId=1146029695717560320, journalId=1189982191388893191, language=CN, title=液液微萃取GC-MS分析香茅草提取物给予大鼠后血浆中
β-榄香烯及药代动力学特征, columnId=1208491484203037023, journalTitle=药学学报, columnName=专题报道:聚焦天然产物质量与体内过程研究, runingTitle=null, highlight=null, articleAbstract=
建立简便、灵敏的气质联用(GC-MS)法测定大鼠血浆中β-榄香烯浓度,并研究香茅草提取物在大鼠体内的药代动力学特征。血浆样品采用0.5倍体积正己烷液液微萃取的前处理方法。DB-5ms色谱柱(30 m×0.25 mm,0.25 μm);程序升温,载气为氦气,流速为0.15 mL·min-1;进样量为2 μL。采用电子轰击离子源和单离子监测模式,电子轰击能量70 eV,选择监测的离子为m/z 128(内标萘)和m/z 93(β-榄香烯)。大鼠分别灌胃和静脉给药香茅草提取物(合β-榄香烯55 mg·kg-1),使用小动物自动采血技术收集和制备血浆。结果血浆中β-榄香烯在1.0~250 ng·mL-1浓度内线性关系良好(r=0.997),定量下限为1.0 ng·mL-1,准确度为-4.47%~-0.85%,提取回收率在56.02%~66.89%之间,无明显基质效应(94.28%~108.63%)。大鼠灌胃香茅草提取物,β-榄香烯主要药代学参数AUC0-t为(23.56±4.40)ng·mL-1,tmax为(1.67±0.58)h,Cmax为(7.36±0.69)ng·mL-1,MRT0-t为(2.76±0.27)h,t1/2z为(2.73±1.36)h,Vz为(7.39±3.18)L·kg-1,CLz为(1.95±0.51)L·h-1·kg-1,绝对生物利用度约为8.78%。该方法简便、准确,灵敏度高,适用于香茅草提取物中β-榄香烯在大鼠体内的药代动力学特征研究。所有动物实验过程和动物关怀均得到中国中医科学院中药研究所伦理委员会的批准。
, correspAuthors=杨伟鹏, authorNote=null, correspAuthorsNote=
, copyrightStatement=版权所有©《药学学报》编辑部2021, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=NhGcduwxiPIXu4StQY0z3A==, magXml=6/AhRF5BwOiddTKTXxwMrg==, pdfUrl=null, pdf=HvsU72cMRlMVtaeFqjAdVQ==, pdfFileSize=1116118, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=tAACLj539kIkVj9ROpk1EA==, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=K226sYG5PT/sOUn6mBhxgQ==, mapNumber=null, authorCompany=null, fund=null, authors=null, authorsList=李涛, 冯雪, 冯雪, 彭娟, 赵小亮, 李佳, 杨伟鹏)}, authors=[Author(id=1208491493019464700, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1208491489252979395, 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=1208491493195624464, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1208491489252979395, authorId=1208491493019464700, language=EN, stringName=Tao LI, firstName=Tao, middleName=null, lastName=LI, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
1, 2, address=1. Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing 100700, China
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1, 2, address=1.中国中医科学院中药研究所, 北京 100700
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1, address=1. Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing 100700, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1208491494219034762, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1208491489252979395, authorId=1208491493879296091, language=CN, stringName=冯雪, firstName=雪, middleName=null, lastName=冯, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
1, address=1.中国中医科学院中药研究所, 北京 100700, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1208491492507759539, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1208491489252979395, xref=null, ext=[AuthorCompanyExt(id=1208491492516148148, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1208491489252979395, companyId=1208491492507759539, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=1. Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing 100700, China), AuthorCompanyExt(id=1208491492524536758, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1208491489252979395, companyId=1208491492507759539, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=1.中国中医科学院中药研究所, 北京 100700)])]), Author(id=1208491494424555683, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1208491489252979395, 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=1208491494571356342, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1208491489252979395, authorId=1208491494424555683, language=EN, stringName=Juan PENG, firstName=Juan, middleName=null, lastName=PENG, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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Effect of organic solvent-to-plasma volume ratio on the MS intensity and extraction recovery for β-elemene and internal standard (naphthalene) in rat plasma samples , figureFileSmall=41HeG67qlbLn7klQCKUjLA==, figureFileBig=tAACLj539kIkVj9ROpk1EA==, tableContent=null), ArticleFig(id=1208491500913144452, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1208491489252979395, language=EN, label=null, caption=null, figureFileSmall=05ebqAfymejZBzc19OzOYQ==, figureFileBig=XSF4zGWP1YQhnhx9CWyZ2A==, tableContent=null), ArticleFig(id=1208491501089305237, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1208491489252979395, language=CN, label=Figure 2, caption=
GC-MS chromatograms of β-elemene in blank plasma samples (A), blank plasma samples spiked with internal standard (IS, naphthalene) and standard (LOQ, 1 ng·mL-1) (B), and plasma samples obtained 4 h after intragastric administration of citronella grass extract in rats (C) , figureFileSmall=05ebqAfymejZBzc19OzOYQ==, figureFileBig=XSF4zGWP1YQhnhx9CWyZ2A==, tableContent=null), ArticleFig(id=1208491501244494497, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1208491489252979395, language=EN, label=null, caption=null, figureFileSmall=zg6DHES+Z4v4Q6vY2lFhmA==, figureFileBig=1EPMxapEWqUjjoM2UPKE7w==, tableContent=null), ArticleFig(id=1208491501378712238, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1208491489252979395, language=CN, label=Figure 3, caption=
Mean plasma concentration-time curves of β-elemene after intragastric and intravenous administration of citronella grass extract at dosage of 80 μL·kg-1 in rats. n= 6, x± s , figureFileSmall=zg6DHES+Z4v4Q6vY2lFhmA==, figureFileBig=1EPMxapEWqUjjoM2UPKE7w==, tableContent=null), ArticleFig(id=1208491501521318593, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1208491489252979395, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| Sample | Extraction efficacy/% | Matrix effect/% | Accuracy/% | Inter-day precision/% | Intra-day precision/% | Post-preparation stability/% |
| LOQ | 56.02 | 94.28 | -4.47 | 2.66 | 11.95 | 91.86 |
| LQC | 66.89 | 108.63 | -0.85 | 8.92 | 6.87 | 103.40 |
| MQC | 56.10 | 95.23 | -1.33 | 3.92 | 6.69 | 104.84 |
| HQC | 62.55 | 94.30 | -3.21 | 7.47 | 6.58 | 105.46 |
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Extraction efficacy, matrix effect, accuracy, precision and stability results of β-elemene in rat plasma (n = 6). LOQ: Limit of quantification; LQC: Low concentration quality control; MQC: Medium concentration quality control; HQC: High concentration quality control
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| Sample | Extraction efficacy/% | Matrix effect/% | Accuracy/% | Inter-day precision/% | Intra-day precision/% | Post-preparation stability/% |
| LOQ | 56.02 | 94.28 | -4.47 | 2.66 | 11.95 | 91.86 |
| LQC | 66.89 | 108.63 | -0.85 | 8.92 | 6.87 | 103.40 |
| MQC | 56.10 | 95.23 | -1.33 | 3.92 | 6.69 | 104.84 |
| HQC | 62.55 | 94.30 | -3.21 | 7.47 | 6.58 | 105.46 |
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| Parameter | Citronella grass extract |
| ig | iv |
| Cmax or C5 min / ng·mL-1 | 7.36 ± 0.69** | 266.62 ± 97.34 |
| tmax / h | 1.67 ± 0.58 | - |
| AUC0-t / h·ng·mL-1 | 23.56 ± 4.40** | 268.37 ± 136.04 |
| AUC0-∞ / h·ng·mL-1 | 26.91 ± 7.02** | 277.70 ± 131.04 |
| MRT0-t / h | 2.76 ± 0.27** | 1.16 ± 0.42 |
| t1/2z / h | 2.73 ± 1.36 | 2.00 ± 0.96 |
| Vz / L·kg-1 | 7.39 ± 3.18** | 0.63 ± 0.39 |
| CLz / L·h-1·kg-1 | 1.95 ± 0.51** | 0.22 ± 0.11 |
| F / % | 8.78 ± 1.64 | - |
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Pharmacokinetics parameters of β-elemene after intragastric and intravenous administration of citronella grass extract at dosage of 80 μL·kg-1 in rats. n = 6, x± s. **P < 0.01 vs iv
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| Parameter | Citronella grass extract |
| ig | iv |
| Cmax or C5 min / ng·mL-1 | 7.36 ± 0.69** | 266.62 ± 97.34 |
| tmax / h | 1.67 ± 0.58 | - |
| AUC0-t / h·ng·mL-1 | 23.56 ± 4.40** | 268.37 ± 136.04 |
| AUC0-∞ / h·ng·mL-1 | 26.91 ± 7.02** | 277.70 ± 131.04 |
| MRT0-t / h | 2.76 ± 0.27** | 1.16 ± 0.42 |
| t1/2z / h | 2.73 ± 1.36 | 2.00 ± 0.96 |
| Vz / L·kg-1 | 7.39 ± 3.18** | 0.63 ± 0.39 |
| CLz / L·h-1·kg-1 | 1.95 ± 0.51** | 0.22 ± 0.11 |
| F / % | 8.78 ± 1.64 | - |
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