Article(id=1261336279078265531, tenantId=1146029695717560320, journalId=1260987677001138203, issueId=1261336272929472630, articleNumber=null, orderNo=null, doi=10.13386/j.issn1002-0306.2025050164, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1747584000000, receivedDateStr=2025-05-19, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1778655603426, onlineDateStr=2026-05-13, pubDate=1777564800000, pubDateStr=2026-05-01, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1778655603426, onlineIssueDateStr=2026-05-13, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1778655603426, creator=13701087609, updateTime=1778655603426, updator=13701087609, issue=Issue{id=1261336272929472630, tenantId=1146029695717560320, journalId=1260987677001138203, year='2026', volume='47', issue='9', pageStart='1', pageEnd='504', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=1, specialIssue=null, createTime=1778655601961, creator=13701087609, updateTime=1778657530282, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1261344361019728695, tenantId=1146029695717560320, journalId=1260987677001138203, issueId=1261336272929472630, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1261344361019728696, tenantId=1146029695717560320, journalId=1260987677001138203, issueId=1261336272929472630, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=190, endPage=202, ext={EN=ArticleExt(id=1261336280277836478, articleId=1261336279078265531, tenantId=1146029695717560320, journalId=1260987677001138203, language=EN, title=Screening of High-yield Exopolysaccharide-producing Lactic Acid Bacteria from Yak Fermented Milk and Structural Characterization and
in Vitro Bioactivity Analysis of Polysaccharides, columnId=1261336275769016441, journalTitle=Science and Technology of Food Industry, columnName=Bioengineering, runingTitle=null, highlight=null, articleAbstract=
This study aimed to screen lactic acid bacteria (LAB) with high exopolysaccharide (EPS)-producing capacity from traditional yak yogurt in Western Sichuan, and to characterize the structure and functional properties of the EPS. Among 185 LAB strains isolated, Limosilactobacillus fermentum 197 was identified as a high EPS producer. The fermentation medium was optimized through single-factor experiments, and the EPS was purified using DEAE-52 and CL-6B column chromatography. The purified fraction EPS1 was structurally characterized by Fourier-transform infrared spectroscopy, gel permeation chromatography, and nuclear magnetic resonance, and its bioactivities were evaluated in vitro. The results showed that the optimal carbon and nitrogen sources for EPS production were maltose and soybean peptone, both at 40 g/L. After optimization, the EPS yield reached 1699.83±34.31 mg/L, representing a 5-fold increase compared to the original yield. The purified EPS1, with a yield of 15.07%, had a molecular weight of 2.11×105 Da and was composed of rhamnose, arabinose, galactose, glucose, and mannose. It contained both α- and β-glycosidic bonds, exhibited a triple-helix structure, and displayed a flaky porous morphology under microscopy. In vitro assays demonstrated that EPS1 at 10 mg/mL exhibited scavenging rates against ABTS+, DPPH, and hydroxyl radicals of 57.07%, 46.54%, and 49.68%, respectively, and an α-amylase inhibition rate of 51.46%. This study reveals the relationship between the structure of EPS1 and its antioxidant and hypoglycemic activities, providing a theoretical basis for developing functional dairy products using LAB-derived EPS and offering new insights into the utilization of lactic acid bacteria resources from plateau pastoral areas.
, correspAuthors=Lianhong CHEN, authorNote=null, correspAuthorsNote=null, copyrightStatement=Copyright © 2026 Science and Technology of Food Industry. 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 LI, Xiangyu WANG, Shiqi ZHANG, Yingjie WANG, Yihao WAN, Weiming SHUANG, Luo TIAN, Lianhong CHEN), CN=ArticleExt(id=1261336309277254633, articleId=1261336279078265531, tenantId=1146029695717560320, journalId=1260987677001138203, language=CN, title=牦牛酸乳源高产胞外多糖乳酸菌筛选及其多糖结构表征与体外功能活性分析, columnId=1261336277547401341, journalTitle=食品工业科技, columnName=生物工程, runingTitle=null, highlight=null, articleAbstract=
本研究旨在从川西传统牦牛酸乳中筛选高产胞外多糖(Exopolysaccharides,EPS)的乳酸菌,并对其所产EPS进行结构表征与功能特性分析。从185株分离自酸牦牛乳的乳酸菌中筛选出一株高产EPS的菌株——发酵粘液乳杆菌197(Limosilactobacillus fermentum 197)。通过单因素实验优化其发酵培养基组成,并采用DEAE-52和CL-6B柱层析对EPS进行分离纯化,得到主要组分EPS1,利用傅里叶变换红外光谱、凝胶渗透色谱及核磁共振等技术对EPS1的结构进行解析,并评估其体外抗氧化和血糖调节活性。结果表明,该菌在优化后的培养基(麦芽糖与大豆蛋白胨均为40 g/L)中EPS产量达到1699.83±34.31 mg/L,较原始产量提高5倍。纯化后组分EPS1得率为15.07%,分子量为2.11×105 Da,主要由鼠李糖、阿拉伯糖、半乳糖、葡萄糖和甘露糖组成,含有α和β型糖苷键,具备三股螺旋结构,微观呈片状多孔形态。体外活性研究表明,EPS1在10 mg/mL浓度下对ABTS+自由基、DPPH自由基和羟基自由基的清除率分别为57.07%、46.54%和49.68%,对α-淀粉酶的抑制率为51.46%。本研究揭示了EPS1的结构与其抗氧化和降血糖活性之间的关联,为开发基于乳酸菌EPS的功能性乳制品提供了理论依据,也为高原乳酸菌资源的综合利用提供了新方向。
, correspAuthors=陈炼红, authorNote=null, correspAuthorsNote=
, copyrightStatement=版权所有 © 2026《食品工业科技》编辑部, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=hyyEE+qph1hz9CtDMtLIuw==, magXml=NoiQ+Aq5e7XWoG/GrNlZ5g==, pdfUrl=null, pdf=yic9TYDRBHnm2vRpqOrrTA==, pdfFileSize=3816299, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=RR+nXRRHO/WxGbWKp5bEfw==, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=RiWrZUCuHLeeyvomYRw46Q==, mapNumber=null, authorCompany=null, fund=null, authors=
, authorsList=李静, 王翔宇, 张诗琦, 王樱洁, 宛祎豪, 双维明, 田罗, 陈炼红)}, authors=[Author(id=1261336314784374801, tenantId=1146029695717560320, journalId=1260987677001138203, articleId=1261336279078265531, orderNo=0, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=13624856019@163.com, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1261336317770719262, tenantId=1146029695717560320, journalId=1260987677001138203, articleId=1261336279078265531, authorId=1261336314784374801, language=EN, stringName=Jing LI, firstName=Jing, middleName=null, lastName=LI, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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2.Sichuan Institute of Food Inspetion, Chengdu 611731, China), AuthorCompanyExt(id=1261336313630941192, tenantId=1146029695717560320, journalId=1260987677001138203, articleId=1261336279078265531, companyId=1261336313442197510, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2.四川省食品检验研究院,四川成都 611731)])], figs=[ArticleFig(id=1261336341137187040, tenantId=1146029695717560320, journalId=1260987677001138203, articleId=1261336279078265531, language=EN, label=Fig.1, caption=
Distribution of the production of exopolysaccharides by 185 lactic acid bacteria strains, figureFileSmall=fsF6cxciipIYtxemutEg6A==, figureFileBig=RR+nXRRHO/WxGbWKp5bEfw==, tableContent=null), ArticleFig(id=1261336341548228837, tenantId=1146029695717560320, journalId=1260987677001138203, articleId=1261336279078265531, language=CN, label=图1, caption=
185株乳酸菌胞外多糖产量分布, figureFileSmall=fsF6cxciipIYtxemutEg6A==, figureFileBig=RR+nXRRHO/WxGbWKp5bEfw==, tableContent=null), ArticleFig(id=1261336341980242157, tenantId=1146029695717560320, journalId=1260987677001138203, articleId=1261336279078265531, language=EN, label=Fig.2, caption=
Screening for optimal type and concentration of nitrogen source, figureFileSmall=94JiwdoHTN8Lj20SllKL0Q==, figureFileBig=MvtvYLxUS06o3PVPIPcd6g==, tableContent=null), ArticleFig(id=1261336342454198515, tenantId=1146029695717560320, journalId=1260987677001138203, articleId=1261336279078265531, language=CN, label=图2, caption=
氮源最适种类及浓度筛选注:不同小写字母表示差异显著(P<0.05);图3、图13~图18同。
, figureFileSmall=94JiwdoHTN8Lj20SllKL0Q==, figureFileBig=MvtvYLxUS06o3PVPIPcd6g==, tableContent=null), ArticleFig(id=1261336344148697336, tenantId=1146029695717560320, journalId=1260987677001138203, articleId=1261336279078265531, language=EN, label=Fig.3, caption=
Screening for optimal type and concentration of carbon source, figureFileSmall=9QitYPerHZgND6ezh5sYMg==, figureFileBig=7x6LTbqg5D4f3WfnpDBNnw==, tableContent=null), ArticleFig(id=1261336344358412543, tenantId=1146029695717560320, journalId=1260987677001138203, articleId=1261336279078265531, language=CN, label=图3, caption=
碳源最适种类及浓度筛选, figureFileSmall=9QitYPerHZgND6ezh5sYMg==, figureFileBig=7x6LTbqg5D4f3WfnpDBNnw==, tableContent=null), ArticleFig(id=1261336344870117639, tenantId=1146029695717560320, journalId=1260987677001138203, articleId=1261336279078265531, language=EN, label=Fig.4, caption=
Elution curve of cellulose DEAE-52 (A) and agarose gel CL-6B (B), figureFileSmall=0YDf5uINr0wwQAorLqfpwQ==, figureFileBig=IVaNEoLa0WjX2WwmYhPifQ==, tableContent=null), ArticleFig(id=1261336345075638540, tenantId=1146029695717560320, journalId=1260987677001138203, articleId=1261336279078265531, language=CN, label=图4, caption=
纤维素DEAE-52(A)及琼脂糖凝胶CL-6B(B)洗脱曲线注:A:纤维素DEAE-52洗脱曲线,B:琼脂糖凝胶CL-6B洗脱曲线。
, figureFileSmall=0YDf5uINr0wwQAorLqfpwQ==, figureFileBig=IVaNEoLa0WjX2WwmYhPifQ==, tableContent=null), ArticleFig(id=1261336345335685394, tenantId=1146029695717560320, journalId=1260987677001138203, articleId=1261336279078265531, language=EN, label=Fig.5, caption=
Crude EPS product and fractions of EPS1 purified by agarose gel, figureFileSmall=65h7uWi86ge23Fwcek+ECQ==, figureFileBig=lVGvruBCdfWVl8MWkcY0DA==, tableContent=null), ArticleFig(id=1261336345541206291, tenantId=1146029695717560320, journalId=1260987677001138203, articleId=1261336279078265531, language=CN, label=图5, caption=
粗EPS及经琼脂糖凝胶纯化后得到的EPS1注:A:粗EPS,B:经琼脂糖凝胶纯化后得到的EPS1。
, figureFileSmall=65h7uWi86ge23Fwcek+ECQ==, figureFileBig=lVGvruBCdfWVl8MWkcY0DA==, tableContent=null), ArticleFig(id=1261336345662841112, tenantId=1146029695717560320, journalId=1260987677001138203, articleId=1261336279078265531, language=EN, label=Fig.6, caption=
UV full-wavelength scan, figureFileSmall=B5P+cODbPhfaIi1Z3uhEoQ==, figureFileBig=fmXWazSiyg2IM8cU/my+2Q==, tableContent=null), ArticleFig(id=1261336345746727196, tenantId=1146029695717560320, journalId=1260987677001138203, articleId=1261336279078265531, language=CN, label=图6, caption=
紫外全波长扫描图, figureFileSmall=B5P+cODbPhfaIi1Z3uhEoQ==, figureFileBig=fmXWazSiyg2IM8cU/my+2Q==, tableContent=null), ArticleFig(id=1261336345847390498, tenantId=1146029695717560320, journalId=1260987677001138203, articleId=1261336279078265531, language=EN, label=Fig.7, caption=
Fourier-transform infrared spectroscopy of EPS1, figureFileSmall=rVhlYmXk462LnD7h0zbn6A==, figureFileBig=jy0JLlQHnbxCvdoeT2bCsw==, tableContent=null), ArticleFig(id=1261336346233266472, tenantId=1146029695717560320, journalId=1260987677001138203, articleId=1261336279078265531, language=CN, label=图7, caption=
EPS1的红外光谱图, figureFileSmall=rVhlYmXk462LnD7h0zbn6A==, figureFileBig=jy0JLlQHnbxCvdoeT2bCsw==, tableContent=null), ArticleFig(id=1261336346560422189, tenantId=1146029695717560320, journalId=1260987677001138203, articleId=1261336279078265531, language=EN, label=Fig.8, caption=
Molecular sizing diagram of EPS1, figureFileSmall=sXWfLioUA6ZjsX3HxPcKTA==, figureFileBig=WH+FuzKYPS/gOp36DPhebw==, tableContent=null), ArticleFig(id=1261336346682057010, tenantId=1146029695717560320, journalId=1260987677001138203, articleId=1261336279078265531, language=CN, label=图8, caption=
EPS1的分子量测定图, figureFileSmall=sXWfLioUA6ZjsX3HxPcKTA==, figureFileBig=WH+FuzKYPS/gOp36DPhebw==, tableContent=null), ArticleFig(id=1261336346942103863, tenantId=1146029695717560320, journalId=1260987677001138203, articleId=1261336279078265531, language=EN, label=Fig.9, caption=
Mixed label and EPS1 ion chromatogram, figureFileSmall=7K3jqzEuey1VkvuccM4gyw==, figureFileBig=H/ALq3qi+TjF8+qdL8p/4A==, tableContent=null), ArticleFig(id=1261336348707905850, tenantId=1146029695717560320, journalId=1260987677001138203, articleId=1261336279078265531, language=CN, label=图9, caption=
混标及EPS1离子色谱图注:A:混标,B:EPS1。
, figureFileSmall=7K3jqzEuey1VkvuccM4gyw==, figureFileBig=H/ALq3qi+TjF8+qdL8p/4A==, tableContent=null), ArticleFig(id=1261336348913426751, tenantId=1146029695717560320, journalId=1260987677001138203, articleId=1261336279078265531, language=EN, label=Fig.10, caption=
NMR spectrum of EPS1, figureFileSmall=5ODUKi5JGB2matOf07AvfQ==, figureFileBig=MuHbJwk5Qwe3ueC9o5ch/Q==, tableContent=null), ArticleFig(id=1261336349056033092, tenantId=1146029695717560320, journalId=1260987677001138203, articleId=1261336279078265531, language=CN, label=图10, caption=
EPS1核磁共振谱图注:A:EPS1核磁共振1H谱图,B:EPS1核磁共振13C谱图。
, figureFileSmall=5ODUKi5JGB2matOf07AvfQ==, figureFileBig=MuHbJwk5Qwe3ueC9o5ch/Q==, tableContent=null), ArticleFig(id=1261336349366411594, tenantId=1146029695717560320, journalId=1260987677001138203, articleId=1261336279078265531, language=EN, label=Fig.11, caption=
Three-dimensional spiral structure of EPS1, figureFileSmall=GxH15YXCzQwmwBYPCj9qsQ==, figureFileBig=+4J9qa9IStv6Yj/J2HYyeQ==, tableContent=null), ArticleFig(id=1261336349794230605, tenantId=1146029695717560320, journalId=1260987677001138203, articleId=1261336279078265531, language=CN, label=图11, caption=
EPS1三股螺旋结构, figureFileSmall=GxH15YXCzQwmwBYPCj9qsQ==, figureFileBig=+4J9qa9IStv6Yj/J2HYyeQ==, tableContent=null), ArticleFig(id=1261336350008140113, tenantId=1146029695717560320, journalId=1260987677001138203, articleId=1261336279078265531, language=EN, label=Fig.12, caption=
SEM of EPS1, figureFileSmall=E6xeBH9hKKHLro59ZXQ2Iw==, figureFileBig=xshFBkQaxo70LnSQfvhHQw==, tableContent=null), ArticleFig(id=1261336350318518616, tenantId=1146029695717560320, journalId=1260987677001138203, articleId=1261336279078265531, language=CN, label=图12, caption=
EPS1的扫描电镜图注:A、B、C:1000×;D:5000×;E、F:20000×。
, figureFileSmall=E6xeBH9hKKHLro59ZXQ2Iw==, figureFileBig=xshFBkQaxo70LnSQfvhHQw==, tableContent=null), ArticleFig(id=1261336350603731291, tenantId=1146029695717560320, journalId=1260987677001138203, articleId=1261336279078265531, language=EN, label=Fig.13, caption=
ABTS+ radical scavenging activity of EPS1, figureFileSmall=1ZMIeHsYRQlIA//bgBqllw==, figureFileBig=rUcT3RHTYmZ3/MpdE3YbZA==, tableContent=null), ArticleFig(id=1261336350796669281, tenantId=1146029695717560320, journalId=1260987677001138203, articleId=1261336279078265531, language=CN, label=图13, caption=
EPS1的ABTS+自由基清除能力, figureFileSmall=1ZMIeHsYRQlIA//bgBqllw==, figureFileBig=rUcT3RHTYmZ3/MpdE3YbZA==, tableContent=null), ArticleFig(id=1261336351081881957, tenantId=1146029695717560320, journalId=1260987677001138203, articleId=1261336279078265531, language=EN, label=Fig.14, caption=
DPPH radical scavenging activity of EPS1, figureFileSmall=R2KYLZIb0i31IXf5YZFscA==, figureFileBig=lhVmWjDukYDh0bZ+dkLmfw==, tableContent=null), ArticleFig(id=1261336351178350951, tenantId=1146029695717560320, journalId=1260987677001138203, articleId=1261336279078265531, language=CN, label=图14, caption=
EPS1的DPPH自由基清除能力, figureFileSmall=R2KYLZIb0i31IXf5YZFscA==, figureFileBig=lhVmWjDukYDh0bZ+dkLmfw==, tableContent=null), ArticleFig(id=1261336351467757932, tenantId=1146029695717560320, journalId=1260987677001138203, articleId=1261336279078265531, language=EN, label=Fig.15, caption=
Hydroxyl radical scavenging activity of EPS1, figureFileSmall=qzTAHwEG7Thdpiz1hLUupQ==, figureFileBig=yFJwTELyRu612vrtiRwfmQ==, tableContent=null), ArticleFig(id=1261336353367777650, tenantId=1146029695717560320, journalId=1260987677001138203, articleId=1261336279078265531, language=CN, label=图15, caption=
EPS1的羟基自由基清除活性, figureFileSmall=qzTAHwEG7Thdpiz1hLUupQ==, figureFileBig=yFJwTELyRu612vrtiRwfmQ==, tableContent=null), ArticleFig(id=1261336353741070711, tenantId=1146029695717560320, journalId=1260987677001138203, articleId=1261336279078265531, language=EN, label=Fig.16, caption=
Superoxide anion radical scavenging activity of EPS1, figureFileSmall=GM0g0FlLUfvuMpEeNUt1gA==, figureFileBig=TXFUrTynz2dLsm9WG/yEpA==, tableContent=null), ArticleFig(id=1261336354139529598, tenantId=1146029695717560320, journalId=1260987677001138203, articleId=1261336279078265531, language=CN, label=图16, caption=
EPS1的超氧阴离子自由基清除活性, figureFileSmall=GM0g0FlLUfvuMpEeNUt1gA==, figureFileBig=TXFUrTynz2dLsm9WG/yEpA==, tableContent=null), ArticleFig(id=1261336354366022018, tenantId=1146029695717560320, journalId=1260987677001138203, articleId=1261336279078265531, language=EN, label=Fig.17, caption=
α-Glucosidase inhibition rate of positive control and each concentration gradient of EPS1 at different concentration gradients, figureFileSmall=b0atGB71S8rl9JHahXKa8Q==, figureFileBig=ykUs7orMs+ZWKcxg+G4ScA==, tableContent=null), ArticleFig(id=1261336354693177736, tenantId=1146029695717560320, journalId=1260987677001138203, articleId=1261336279078265531, language=CN, label=图17, caption=
阳性对照以及各浓度梯度EPS1的α-葡萄糖苷酶抑制率, figureFileSmall=b0atGB71S8rl9JHahXKa8Q==, figureFileBig=ykUs7orMs+ZWKcxg+G4ScA==, tableContent=null), ArticleFig(id=1261336354978390414, tenantId=1146029695717560320, journalId=1260987677001138203, articleId=1261336279078265531, language=EN, label=Fig.18, caption=
α-Amylase inhibition rate of positive control and each concentration gradient of EPS1 at different concentration gradients, figureFileSmall=SiLa2R+NxIaCnu8THKcCAQ==, figureFileBig=JQIWpq5p8YCeTszwcHcXnQ==, tableContent=null), ArticleFig(id=1261336355246825875, tenantId=1146029695717560320, journalId=1260987677001138203, articleId=1261336279078265531, language=CN, label=图18, caption=
阳性对照以及各浓度梯度EPS1的α-淀粉酶抑制率, figureFileSmall=SiLa2R+NxIaCnu8THKcCAQ==, figureFileBig=JQIWpq5p8YCeTszwcHcXnQ==, tableContent=null), ArticleFig(id=1261336355620118936, tenantId=1146029695717560320, journalId=1260987677001138203, articleId=1261336279078265531, language=EN, label=Table 1, caption=
Monosaccharide composition elution gradients
, figureFileSmall=null, figureFileBig=null, tableContent=
| 洗脱时间(min) | V/V |
| 流动相A | 流动相B | 流动相C |
| 0 | 95 | 5 | 0 |
| 26 | 85 | 5 | 10 |
| 42 | 85 | 5 | 10 |
| 42.1 | 60 | 0 | 40 |
| 52 | 60 | 40 | 0 |
| 52.1 | 95 | 5 | 0 |
| 60 | 95 | 5 | 0 |
), ArticleFig(id=1261336355779502493, tenantId=1146029695717560320, journalId=1260987677001138203, articleId=1261336279078265531, language=CN, label=表1, caption=
单糖组成洗脱梯度
, figureFileSmall=null, figureFileBig=null, tableContent=
| 洗脱时间(min) | V/V |
| 流动相A | 流动相B | 流动相C |
| 0 | 95 | 5 | 0 |
| 26 | 85 | 5 | 10 |
| 42 | 85 | 5 | 10 |
| 42.1 | 60 | 0 | 40 |
| 52 | 60 | 40 | 0 |
| 52.1 | 95 | 5 | 0 |
| 60 | 95 | 5 | 0 |
), ArticleFig(id=1261336357822128545, tenantId=1146029695717560320, journalId=1260987677001138203, articleId=1261336279078265531, language=EN, label=Table 2, caption=
Exopolysaccharide yields of different experimental strains
, figureFileSmall=null, figureFileBig=null, tableContent=
| 菌株编号 | 胞外多糖产量(mg/L) | 菌株编号 | 胞外多糖产量(mg/L) | 菌株编号 | 胞外多糖产量(mg/L) | 菌株编号 | 胞外多糖产量(mg/L) |
| 1 | 186.99±6.91 | 48 | 260.27±3.08 | 95 | 255.08±5.51 | 142 | 236.93±2.12 |
| 2 | 188.72±10.71 | 49 | 228.58±5.20 | 96 | 268.05±1.22 | 143 | 180.46±5.01 |
| 3 | 210.11±8.52 | 50 | 266.90±3.89 | 97 | 260.85±9.18 | 144 | 229.15±1.22 |
| 4 | 202.33±3.82 | 51 | 293.41±4.70 | 98 | 299.74±4.14 | 145 | 197.17±1.87 |
| 5 | 224.81±6.81 | 52 | 283.32±4.14 | 99 | 226.56±4.94 | 146 | 223.96±7.44 |
| 6 | 202.33±3.82 | 53 | 210.71±2.94 | 100 | 234.33±10.18 | 147 | 232.61±1.87 |
| 7 | 205.79±2.14 | 54 | 261.99±3.93 | 101 | 225.12±6.00 | 148 | 230.02±4.94 |
| 8 | 216.16±22.32 | 55 | 220.22±4.48 | 102 | 272.66±4.14 | 149 | 196.88±0.81 |
| 9 | 198.88±8.47 | 56 | 143.86±2.67 | 103 | 278.71±3.34 | 150 | 259.12±6.17 |
| 10 | 218.33±7.71 | 57 | 104.97±2.04 | 104 | 280.15±4.94 | 151 | 225.11±2.48 |
| 11 | 219.84±15.60 | 58 | 239.24±5.75 | 105 | 291.10±1.78 | 152 | 245.29±3.26 |
| 12 | 249.01±0.65 | 59 | 244.71±3.08 | 106 | 244.99±1.08 | 153 | 247.59±8.36 |
| 13 | 238.64±0.53 | 60 | 234.05±7.81 | 107 | 253.64±10.78 | 154 | 251.05±14.69 |
| 14 | 263.71±2.92 | 61 | 231.75±4.23 | 108 | 230.59±4.14 | 155 | 255.37±2.85 |
| 15 | 242.1±9.29 | 62 | 234.34±4.94 | 109 | 257.39±4.70 | 156 | 224.83±2.54 |
| 16 | 245.12±2.95 | 63 | 251.91±4.14 | 110 | 211.86±3.23 | 157 | 225.69±6.81 |
| 17 | 249.66±7.90 | 64 | 253.93±6.96 | 111 | 265.46±2.54 | 158 | 246.44±2.12 |
| 18 | 256.39±16.02 | 65 | 280.15±2.12 | 112 | 232.90±2.48 | 159 | 248.17±6.81 |
| 19 | 228.48±10.93 | 66 | 247.88±4.70 | 113 | 272.08±1.63 | 160 | 212.15±2.67 |
| 20 | 231.72±4.04 | 67 | 230.59±2.48 | 114 | 242.41±4.14 | 161 | 215.03±9.58 |
| 21 | 230.856±31.21 | 68 | 259.69±4.25 | 115 | 234.91±2.67 | 162 | 260.84±0.41 |
| 22 | 230.64±7.75 | 69 | 261.13±3.73 | 116 | 255.66±6.08 | 163 | 201.20±4.70 |
| 23 | 232.37±10.24 | 70 | 251.62±2.54 | 117 | 211.86±1.87 | 164 | 237.22±3.26 |
| 24 | 237.34±5.97 | 71 | 270.07±7.74 | 118 | 243.56±2.94 | 165 | 241.25±7.44 |
| 25 | 216.60±6.92 | 72 | 264.59±9.26 | 119 | 233.76±9.10 | 166 | 275.54±2.67 |
| 26 | 234.75±4.61 | 73 | 258.83±4.59 | 120 | 254.22±4.94 | 167 | 225.69±4.94 |
| 27 | 223.73±5.37 | 74 | 252.20±8.94 | 121 | 265.74±6.40 | 168 | 213.30±4.70 |
| 28 | 242.11±1.87 | 75 | 249.61±3.89 | 122 | 270.35±7.81 | 169 | 213.30±4.70 |
| 29 | 168.62±0.53 | 76 | 251.05±4.96 | 123 | 238.37±1.47 | 170 | 227.13±4.07 |
| 30 | 225.67±3.47 | 77 | 231.17±8.42 | 124 | 274.68±3.34 | 171 | 257.68±2.54 |
| 31 | 233.02±8.41 | 78 | 253.64±3.48 | 125 | 310.41±1.22 | 172 | 253.07±5.20 |
| 32 | 287.48±4.79 | 79 | 253.35±19.42 | 126 | 232.03±2.16 | 173 | 258.54±4.63 |
| 33 | 243.82±8.01 | 80 | 239.81±7.87 | 127 | 251.63±1.22 | 174 | 215.89±4.31 |
| 34 | 223.08±13.75 | 81 | 258.54±5.51 | 128 | 270.64±2.54 | 175 | 241.83±4.14 |
| 35 | 229.56±1.59 | 82 | 259.10±6.85 | 129 | 237.22±4.70 | 176 | 259.69±0.81 |
| 36 | 244.47±3.71 | 83 | 238.08±3.89 | 130 | 241.25±2.12 | 177 | 255.37±8.15 |
| 37 | 233.67±2.72 | 84 | 234.33±11.62 | 131 | 282.17±4.25 | 178 | 237.51±2.94 |
| 38 | 158.25±1.94 | 85 | 259.98±4.01 | 132 | 295.99±4.70 | 179 | 253.93±1.47 |
| 39 | 216.6±3.24 | 86 | 219.06±1.63 | 133 | 236.35±5.70 | 180 | 220.51±3.08 |
| 40 | 231.51±7.90 | 87 | 226.27±6.85 | 134 | 256.24±1.47 | 181 | 222.81±11.17 |
| 41 | 223.97±4.89 | 88 | 282.74±8.56 | 135 | 269.49±10.71 | 182 | 223.97±6.47 |
| 42 | 231.17±2.85 | 89 | 281.88±1.87 | 136 | 256.24±1.08 | 183 | 234.34±8.82 |
| 43 | 233.47±6.11 | 90 | 249.03±6.95 | 137 | 257.68±8.56 | 184 | 228.57±1.08 |
| 44 | 274.68±3.48 | 91 | 270.07±0.81 | 138 | 255.08±3.23 | 185 | 221.08±3.62 |
| 45 | 266.61±5.66 | 92 | 238.08±0.81 | 139 | 237.79±2.44 | | |
| 46 | 205.81±0.71 | 93 | 283.03±13.34 | 140 | 255.37±10.94 | | |
| 47 | 212.44±1.63 | 94 | 240.68±4.59 | 141 | 239.81±5.88 | | |
), ArticleFig(id=1261336358086369701, tenantId=1146029695717560320, journalId=1260987677001138203, articleId=1261336279078265531, language=CN, label=表2, caption=
各菌株胞外多糖产量
, figureFileSmall=null, figureFileBig=null, tableContent=
| 菌株编号 | 胞外多糖产量(mg/L) | 菌株编号 | 胞外多糖产量(mg/L) | 菌株编号 | 胞外多糖产量(mg/L) | 菌株编号 | 胞外多糖产量(mg/L) |
| 1 | 186.99±6.91 | 48 | 260.27±3.08 | 95 | 255.08±5.51 | 142 | 236.93±2.12 |
| 2 | 188.72±10.71 | 49 | 228.58±5.20 | 96 | 268.05±1.22 | 143 | 180.46±5.01 |
| 3 | 210.11±8.52 | 50 | 266.90±3.89 | 97 | 260.85±9.18 | 144 | 229.15±1.22 |
| 4 | 202.33±3.82 | 51 | 293.41±4.70 | 98 | 299.74±4.14 | 145 | 197.17±1.87 |
| 5 | 224.81±6.81 | 52 | 283.32±4.14 | 99 | 226.56±4.94 | 146 | 223.96±7.44 |
| 6 | 202.33±3.82 | 53 | 210.71±2.94 | 100 | 234.33±10.18 | 147 | 232.61±1.87 |
| 7 | 205.79±2.14 | 54 | 261.99±3.93 | 101 | 225.12±6.00 | 148 | 230.02±4.94 |
| 8 | 216.16±22.32 | 55 | 220.22±4.48 | 102 | 272.66±4.14 | 149 | 196.88±0.81 |
| 9 | 198.88±8.47 | 56 | 143.86±2.67 | 103 | 278.71±3.34 | 150 | 259.12±6.17 |
| 10 | 218.33±7.71 | 57 | 104.97±2.04 | 104 | 280.15±4.94 | 151 | 225.11±2.48 |
| 11 | 219.84±15.60 | 58 | 239.24±5.75 | 105 | 291.10±1.78 | 152 | 245.29±3.26 |
| 12 | 249.01±0.65 | 59 | 244.71±3.08 | 106 | 244.99±1.08 | 153 | 247.59±8.36 |
| 13 | 238.64±0.53 | 60 | 234.05±7.81 | 107 | 253.64±10.78 | 154 | 251.05±14.69 |
| 14 | 263.71±2.92 | 61 | 231.75±4.23 | 108 | 230.59±4.14 | 155 | 255.37±2.85 |
| 15 | 242.1±9.29 | 62 | 234.34±4.94 | 109 | 257.39±4.70 | 156 | 224.83±2.54 |
| 16 | 245.12±2.95 | 63 | 251.91±4.14 | 110 | 211.86±3.23 | 157 | 225.69±6.81 |
| 17 | 249.66±7.90 | 64 | 253.93±6.96 | 111 | 265.46±2.54 | 158 | 246.44±2.12 |
| 18 | 256.39±16.02 | 65 | 280.15±2.12 | 112 | 232.90±2.48 | 159 | 248.17±6.81 |
| 19 | 228.48±10.93 | 66 | 247.88±4.70 | 113 | 272.08±1.63 | 160 | 212.15±2.67 |
| 20 | 231.72±4.04 | 67 | 230.59±2.48 | 114 | 242.41±4.14 | 161 | 215.03±9.58 |
| 21 | 230.856±31.21 | 68 | 259.69±4.25 | 115 | 234.91±2.67 | 162 | 260.84±0.41 |
| 22 | 230.64±7.75 | 69 | 261.13±3.73 | 116 | 255.66±6.08 | 163 | 201.20±4.70 |
| 23 | 232.37±10.24 | 70 | 251.62±2.54 | 117 | 211.86±1.87 | 164 | 237.22±3.26 |
| 24 | 237.34±5.97 | 71 | 270.07±7.74 | 118 | 243.56±2.94 | 165 | 241.25±7.44 |
| 25 | 216.60±6.92 | 72 | 264.59±9.26 | 119 | 233.76±9.10 | 166 | 275.54±2.67 |
| 26 | 234.75±4.61 | 73 | 258.83±4.59 | 120 | 254.22±4.94 | 167 | 225.69±4.94 |
| 27 | 223.73±5.37 | 74 | 252.20±8.94 | 121 | 265.74±6.40 | 168 | 213.30±4.70 |
| 28 | 242.11±1.87 | 75 | 249.61±3.89 | 122 | 270.35±7.81 | 169 | 213.30±4.70 |
| 29 | 168.62±0.53 | 76 | 251.05±4.96 | 123 | 238.37±1.47 | 170 | 227.13±4.07 |
| 30 | 225.67±3.47 | 77 | 231.17±8.42 | 124 | 274.68±3.34 | 171 | 257.68±2.54 |
| 31 | 233.02±8.41 | 78 | 253.64±3.48 | 125 | 310.41±1.22 | 172 | 253.07±5.20 |
| 32 | 287.48±4.79 | 79 | 253.35±19.42 | 126 | 232.03±2.16 | 173 | 258.54±4.63 |
| 33 | 243.82±8.01 | 80 | 239.81±7.87 | 127 | 251.63±1.22 | 174 | 215.89±4.31 |
| 34 | 223.08±13.75 | 81 | 258.54±5.51 | 128 | 270.64±2.54 | 175 | 241.83±4.14 |
| 35 | 229.56±1.59 | 82 | 259.10±6.85 | 129 | 237.22±4.70 | 176 | 259.69±0.81 |
| 36 | 244.47±3.71 | 83 | 238.08±3.89 | 130 | 241.25±2.12 | 177 | 255.37±8.15 |
| 37 | 233.67±2.72 | 84 | 234.33±11.62 | 131 | 282.17±4.25 | 178 | 237.51±2.94 |
| 38 | 158.25±1.94 | 85 | 259.98±4.01 | 132 | 295.99±4.70 | 179 | 253.93±1.47 |
| 39 | 216.6±3.24 | 86 | 219.06±1.63 | 133 | 236.35±5.70 | 180 | 220.51±3.08 |
| 40 | 231.51±7.90 | 87 | 226.27±6.85 | 134 | 256.24±1.47 | 181 | 222.81±11.17 |
| 41 | 223.97±4.89 | 88 | 282.74±8.56 | 135 | 269.49±10.71 | 182 | 223.97±6.47 |
| 42 | 231.17±2.85 | 89 | 281.88±1.87 | 136 | 256.24±1.08 | 183 | 234.34±8.82 |
| 43 | 233.47±6.11 | 90 | 249.03±6.95 | 137 | 257.68±8.56 | 184 | 228.57±1.08 |
| 44 | 274.68±3.48 | 91 | 270.07±0.81 | 138 | 255.08±3.23 | 185 | 221.08±3.62 |
| 45 | 266.61±5.66 | 92 | 238.08±0.81 | 139 | 237.79±2.44 | | |
| 46 | 205.81±0.71 | 93 | 283.03±13.34 | 140 | 255.37±10.94 | | |
| 47 | 212.44±1.63 | 94 | 240.68±4.59 | 141 | 239.81±5.88 | | |
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Physicochemical properties of EPS and EPS1
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| 项目 | EPS | EPS1 |
| 物理形态 | 粉末 | 絮状 |
| 颜色 | 棕褐色 | 白色 |
| 总糖含量(%) | 49.44±2.96 | 73.66±3.47 |
| 蛋白含量(%) | 9.57±1.38 | 1.21±0.16 |
| 糖醛酸(%) | 6.01±1.05 | 6.97±0.56 |
| 硫酸根(%) | 7.57±1.52 | 4.81±1.63 |
), ArticleFig(id=1261336358774235561, tenantId=1146029695717560320, journalId=1260987677001138203, articleId=1261336279078265531, language=CN, label=表3, caption=
胞外多糖EPS和EPS1的理化性质
, figureFileSmall=null, figureFileBig=null, tableContent=
| 项目 | EPS | EPS1 |
| 物理形态 | 粉末 | 絮状 |
| 颜色 | 棕褐色 | 白色 |
| 总糖含量(%) | 49.44±2.96 | 73.66±3.47 |
| 蛋白含量(%) | 9.57±1.38 | 1.21±0.16 |
| 糖醛酸(%) | 6.01±1.05 | 6.97±0.56 |
| 硫酸根(%) | 7.57±1.52 | 4.81±1.63 |
), ArticleFig(id=1261336359009116588, tenantId=1146029695717560320, journalId=1260987677001138203, articleId=1261336279078265531, language=EN, label=Table 4, caption=
Monosaccharide composition of EPS1 (molar ratio)
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| 单糖种类 | 摩尔比 |
| 岩藻糖(Fuc) | 0.15 |
| 鼠李糖(Rha) | 11.22 |
| 阿拉伯糖(Ara) | 6.06 |
| 半乳糖(Gal) | 14.65 |
| 葡萄糖(Glc) | 13.73 |
| 甘露糖(Man) | 8.39 |
| 核糖(Rib) | 0.95 |
| 半乳糖醛酸(Gal-UA) | 0.88 |
| 葡萄糖醛酸(Glc-UA) | 0.37 |
| 甘露糖醛酸(Man-UA) | 1.10 |
), ArticleFig(id=1261336359256580525, tenantId=1146029695717560320, journalId=1260987677001138203, articleId=1261336279078265531, language=CN, label=表4, caption=
EPS1单糖组成(摩尔比)
, figureFileSmall=null, figureFileBig=null, tableContent=
| 单糖种类 | 摩尔比 |
| 岩藻糖(Fuc) | 0.15 |
| 鼠李糖(Rha) | 11.22 |
| 阿拉伯糖(Ara) | 6.06 |
| 半乳糖(Gal) | 14.65 |
| 葡萄糖(Glc) | 13.73 |
| 甘露糖(Man) | 8.39 |
| 核糖(Rib) | 0.95 |
| 半乳糖醛酸(Gal-UA) | 0.88 |
| 葡萄糖醛酸(Glc-UA) | 0.37 |
| 甘露糖醛酸(Man-UA) | 1.10 |
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