Article(id=1308840445329899974, tenantId=1146029695717560320, journalId=1189982191388893191, issueId=1308840287129141340, articleNumber=null, orderNo=null, doi=10.16438/j.0513-4870.2025-1410, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1764086400000, receivedDateStr=2025-11-26, revisedDate=1768924800000, revisedDateStr=2026-01-21, acceptedDate=null, acceptedDateStr=null, onlineDate=1789981479245, onlineDateStr=2026-09-21, pubDate=1775923200000, pubDateStr=2026-04-12, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1789981479245, onlineIssueDateStr=2026-09-21, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1789981479245, creator=13701087609, updateTime=1789981479245, updator=13701087609, issue=Issue{id=1308840287129141340, tenantId=1146029695717560320, journalId=1189982191388893191, year='2026', volume='61', issue='4', pageStart='1001', pageEnd='1434', issueExtLink='null', onlineDate='null', pubDate='1775923200000', pubDateStr='2026-04-12', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1789981441528, creator='13701087609', updateTime=1789984228828, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1308851977992368434, tenantId=1146029695717560320, journalId=1189982191388893191, issueId=1308840287129141340, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1308851977992368435, tenantId=1146029695717560320, journalId=1189982191388893191, issueId=1308840287129141340, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=1321, endPage=1326, ext={EN=ArticleExt(id=1308840445581558215, articleId=1308840445329899974, tenantId=1146029695717560320, journalId=1189982191388893191, language=EN, title=A new five-membered lactone from the bark of
Eucommia ulmoides, columnId=1190335348761793317, journalTitle=Acta Pharmaceutica Sinica, columnName=Original Articles, runingTitle=null, highlight=null, articleAbstract=
The chemical constituents in the bark of Eucommia ulmoides were isolated and purified using chromatographic techniques, including silica gel, Sephadex LH-20, ODS, MCI, and semi-preparative HPLC. The structures of the compounds were elucidated by spectroscopic analyses (NMR, IR, UV, and MS). A total of six compounds were identified as duzhonglactone (1), (7S, 8R)-4-hydroxy-3, 3′, 5′-trimethoxy-8, 9-dinor-8, 4′-oxyneoligna-7, 9-diol-7′-aldehyde (2), armaosigenin (3), (-) evofolin B (4), N-trans-feruloyltyramine (5), and C-veratroylglycol (6). Among them, compound 1 was a new five-membered ring lactone, while compounds 2-5 were isolated for the first time from Eucommia ulmoides bark. Furthermore, compounds 2-4 demonstrated antioxidant activity, with IC50 values for 2, 2-diphenyl-1-picrylhydrazyl (DPPH) radical scavenging of 46.34 ± 5.80, 74.17 ± 8.71, and 78.02 ± 8.94 μg·mL-1, and for 2, 2′-azinobis-3-ethylbenzothiazoline-6-sulfonic acid (ABTS) scavenging of 50.56 ± 1.35, 54.37 ± 3.04, and 55.61 ± 3.41 μg·mL-1, respectively.
, authors=Piao-piao JIANG
1, Nan KUANG
1, Cheng-kun ZENG
1, Han-wen YUAN
1, Hong-hui XIANG
2, Ru-qin WANG
2, Qiu-yun TANG
2, Xing-ming JIANG
1, *, Bin LI
1, *, Wei WANG
1, authorsList=Piao-piao JIANG, Nan KUANG, Cheng-kun ZENG, Han-wen YUAN, Hong-hui XIANG, Ru-qin WANG, Qiu-yun TANG, Xing-ming JIANG, Bin LI, Wei WANG, authorCompany=null, correspAuthors=Xing-ming JIANG, Bin LI, authorNote=null, correspAuthorsNote=null, copyrightStatement=Copyright ©2026 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, fund=null), CN=ArticleExt(id=1308840446399447500, articleId=1308840445329899974, tenantId=1146029695717560320, journalId=1189982191388893191, language=CN, title=杜仲皮中一个新的五元环内酯类化合物, columnId=1190335348896011050, journalTitle=药学学报, columnName=研究论文, runingTitle=null, highlight=null, articleAbstract=
利用硅胶、Sephadex LH-20凝胶、ODS、MCI色谱以及半制备HPLC柱色谱等技术对杜仲皮中化学成分进行分离和纯化, 结合NMR、IR、UV、MS等波谱学技术对化合物结构进行鉴定, 共分离得到6个化合物, 分别是杜仲内酯(1)、(7S, 8R)-4-hydroxy-3, 3′, 5′-trimethoxy-8, 9-dinor-8, 4′-oxyneoligna-7, 9-diol-7′-aldehye (2)、armaosigenin (3)、(-) evofolin B (4)、N-反式阿魏酸酪酰胺(5)、C-藜芦酰乙二醇(6)。其中化合物1是新的五元环内酯类化合物, 化合物2~5首次从杜仲皮中分离得到, 此外, 化合物2~4表现出一定的抗氧化能力, 对2, 2-二苯基-1-苦基肼基自由基(DPPH) 清除活性的IC50值是46.34 ± 5.80、74.17 ± 8.71、78.02 ± 8.94 μg·mL-1, 对2, 2′-联氮-双-3-乙基苯并噻唑啉-6-磺酸自由基(ABTS) 清除活性的IC50值是50.56 ± 1.35、54.37 ± 3.04、55.61 ± 3.41 μg·mL-1。
, authors=蒋飘飘
1, 匡南
1, 曾诚坤
1, 袁汉文
1, 向红辉
2, 王汝琴
2, 唐秋云
2, 江星明
1, *, 李斌
1, *, 王炜
1, authorsList=蒋飘飘, 匡南, 曾诚坤, 袁汉文, 向红辉, 王汝琴, 唐秋云, 江星明, 李斌, 王炜, authorCompany=null, correspAuthors=江星明, 李斌, authorNote=
作者贡献:
蒋飘飘为本文第一作者, 负责化合物的分离、鉴定、抗氧化活性测定和文章撰写; 匡南和曾诚坤对提取分离提供了一定帮助; 向红辉、王汝琴和唐秋云提供了实验所需的药材; 袁汉文和江星明老师对于结构鉴定提供了一定的帮助; 李斌教授负责实验设计、结构解析及稿件修改等工作; 王炜教授对杜仲进行鉴定。
, correspAuthorsNote=
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Tribulus terrestrer and their antioxidant activity [J]. Chin Tradit Herb Drugs (中草药), 2023, 54: 4774-4779., articleTitle=null, refAbstract=null)], funds=null, companyList=[AuthorCompany(id=1308840446642717133, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1308840445329899974, xref=1, ext=[AuthorCompanyExt(id=1308840446655300046, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1308840445329899974, companyId=1308840446642717133, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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1湖南中医药大学药学院 湖南省中医药民族医药国际联合实验室, 湖南 长沙 410208)]), AuthorCompany(id=1308840446747574736, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1308840445329899974, xref=2, ext=[AuthorCompanyExt(id=1308840446760157649, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1308840445329899974, companyId=1308840446747574736, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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| No. | δC | δH (J in Hz) | | No. | δC | δH (J in Hz) |
| 1 | 179.7 | - | | 6 | 145.8 | 6.86 (1H, dd, 16.0, 6.1) |
| 2 | 31.2 | 2.42 (1H, ddd, 13.0, 9.6, 7.0) 2.00 (1H, ddd, 13.0, 9.6, 7.9) | 7 | 133.4 | 6.34 (1H, dd, 16.0, 1.4) |
| 3 | 30.2 | 2.64 (2H, m) | 8 | 200.8 | - |
| 4 | 89.2 | - | 9 | 27.2 | 2.29 (3H, s) |
| 5 | 77.1 | 4.24 (1H, dd, 6.1, 1.4) | 10 | 23.6 | 1.39 (3H, s) |
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1H NMR (600 MHz) and 13C NMR (150 MHz) data of compound 1 (CD3OD)
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| No. | δC | δH (J in Hz) | | No. | δC | δH (J in Hz) |
| 1 | 179.7 | - | | 6 | 145.8 | 6.86 (1H, dd, 16.0, 6.1) |
| 2 | 31.2 | 2.42 (1H, ddd, 13.0, 9.6, 7.0) 2.00 (1H, ddd, 13.0, 9.6, 7.9) | 7 | 133.4 | 6.34 (1H, dd, 16.0, 1.4) |
| 3 | 30.2 | 2.64 (2H, m) | 8 | 200.8 | - |
| 4 | 89.2 | - | 9 | 27.2 | 2.29 (3H, s) |
| 5 | 77.1 | 4.24 (1H, dd, 6.1, 1.4) | 10 | 23.6 | 1.39 (3H, s) |
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| Compound | DPPH | ABTS |
| 1 | > 300 | > 300 |
| 2 | 46.34 ± 5.80 | 50.56 ± 1.35 |
| 3 | 74.17 ± 8.71 | 54.37 ± 3.04 |
| 4 | 78.02 ± 8.94 | 55.61 ± 3.41 |
| 5 | 203.97 ± 17.64 | 82.56 ± 4.94 |
| 6 | > 300 | 85.46 ± 4.07 |
| Vc | 39.36 ± 2.48 | 23.38 ± 1.85 |
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Antioxidant activity of compounds 1-6 (IC50, μg·mL-1). n = 3, $ \overline{x} $ ± s. DPPH: 2, 2-Diphenyl-1-picrylhydrazyl; ABTS: 2, 2′- Azinobis-(3-ethylbenzothiazoline-6-sulfonic acid)
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| Compound | DPPH | ABTS |
| 1 | > 300 | > 300 |
| 2 | 46.34 ± 5.80 | 50.56 ± 1.35 |
| 3 | 74.17 ± 8.71 | 54.37 ± 3.04 |
| 4 | 78.02 ± 8.94 | 55.61 ± 3.41 |
| 5 | 203.97 ± 17.64 | 82.56 ± 4.94 |
| 6 | > 300 | 85.46 ± 4.07 |
| Vc | 39.36 ± 2.48 | 23.38 ± 1.85 |
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