Article(id=1320889365052642207, tenantId=1146029695717560320, journalId=1260987677001138203, issueId=1320889172802515656, articleNumber=null, orderNo=null, doi=10.13386/j.issn1002-0306.2025020215, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1740499200000, receivedDateStr=2025-02-26, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1792854165566, onlineDateStr=2026-10-24, pubDate=1768406400000, pubDateStr=2026-01-15, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1792854165566, onlineIssueDateStr=2026-10-24, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1792854165566, creator=13701087609, updateTime=1792854165566, updator=13701087609, issue=Issue{id=1320889172802515656, tenantId=1146029695717560320, journalId=1260987677001138203, year='2026', volume='47', issue='2', pageStart='1', pageEnd='514', issueExtLink='null', onlineDate='null', pubDate='1768406400000', pubDateStr='2026-01-15', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1792854119730, creator='13701087609', updateTime=1792854119730, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext=null, issueFiles=null, downloadFileDto=null}, startPage=135, endPage=143, ext={EN=ArticleExt(id=1320889365480461218, articleId=1320889365052642207, tenantId=1146029695717560320, journalId=1260987677001138203, language=EN, title=Physicochemical Properties and
in Vitro Antioxidant and Antidiabetic Activities of Green Tea Dust Polysaccharide, columnId=1261336277291548795, journalTitle=Science and Technology of Food Industry, columnName=Research and Investigation, runingTitle=null, highlight=null, articleAbstract=
In this study, we investigated the physicochemical properties and in vitro antioxidant and antidiabetic activities of a green tea dust polysaccharide (GTDP). GTDP was extracted from green tea dust using hot water extraction followed by alcohol precipitation. Its physicochemical characteristics, including chemical composition, rheological properties, thermal stability, and microstructure, were analyzed. The in vitro antioxidant and antidiabetic activities of GTDP were evaluated using ferric reducing antioxidant power (FRAP), 1,1-diphenyl-2-picrylhydrazyl (DPPH) free radical scavenging ability, ferrous ion chelating ability (FIC), and glycosylation and α-glucosidase inhibition assays. The results showed that the GTDP yield was 6.50%, with total sugar, uronic acid, protein, and total phenolic contents of 44.73%, 22.58%, 2.92%, and 4.35%, respectively. GTDP contained three polysaccharide fractions with different molecular weights, of which the major component had molecular weight of 88.88 kDa. Monosaccharide composition analysis revealed that GTDP was composed of glucose, arabinose, galactose, rhamnose, galacturonic acid, mannose, glucuronic acid, and xylose in a molar ratio of 31.59:27.11:22.73:8.26:6.29:1.91:1.24:0.87. GTDP exhibited an irregular flake-like structure, characteristic polysaccharide absorption bands, and good thermal stability. Its solution demonstrated shear-thinning, pseudoplastic, non-Newtonian fluid behavior with weak gel-like viscoelasticity. The half-maximal inhibitory concentration (IC50) values of GTDP in the DPPH, FRAP, and FIC assays were 90.85, 473.37, and 1159.68 mg/L, respectively. Moreover, the IC50 value of GTDP against α-glucosidase was 420.48 mg/L, showing an inhibitory activity approximately 2.21 times higher than that of acarbose. The inhibition rate of GTDP on advanced glycation end products (AGEs) was 56.55% at 1 mg/mL, which was approximately approximately 63% of that that of aminoguanidine. These findings provide a theoretical basis for the comprehensive utilization of green tea dust and highlight the potential of GTDP as a natural antioxidant and antidiabetic agent for functional food and pharmaceutical applications.
, authors=Rui ZHOU
1, 2, Jiangping WU
1, Nana JIANG
1, Qing LI
1, Shangquan YU
3, Honghui BAO
1, 2, *, authorsList=Rui ZHOU, Jiangping WU, Nana JIANG, Qing LI, Shangquan YU, Honghui BAO, authorCompany=null, correspAuthors=Honghui BAO, 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, fund=null), CN=ArticleExt(id=1320889371981632449, articleId=1320889365052642207, tenantId=1146029695717560320, journalId=1260987677001138203, language=CN, title=绿茶末多糖的理化特性及其体外抗氧化和抗糖尿病活性, columnId=1261336277849391232, journalTitle=食品工业科技, columnName=研究与探讨, runingTitle=null, highlight=null, articleAbstract=
为探究绿茶末多糖的理化性质及其体外抗氧化和抗糖尿病活性,以绿茶末为实验材料通过水提醇沉法提取绿茶末多糖,对其化学组成、流变学特性、热稳定性、微观结构等理化性质进行表征,并通过铁离子还原能力、DPPH自由基清除能力和亚铁离子螯合能力以及糖基化与α-葡萄糖苷酶抑制能力评价其体外抗氧化和抗糖尿病活性。结果表明,绿茶末多糖的得率以及总糖、糖醛酸、蛋白质和总酚含量分别为6.50%、44.73%、22.58%、2.92%和4.35%,主要含有3种不同分子质量分布的多糖组分,其中含量最大组分的分子量为88.88 kDa,单糖组成主要包括葡萄糖、阿拉伯糖、半乳糖、鼠李糖、半乳糖醛酸、甘露糖、葡萄糖醛酸和木糖,其摩尔质量比分别为31.59:27.11:22.73:8.26:6.29:1.91:1.24:0.87。绿茶末多糖呈现无定形片状结构,具有多糖的特征吸收基团和良好的热稳定性,其多糖溶液为剪切稀化型假塑性非牛顿流体并呈现弱凝胶型黏弹性特征行为。绿茶末多糖对DPPH自由基清除能力、铁离子还原能力(FRAP)和亚铁离子螯合能力(FIC)的半抑制浓度(IC50)分别为90.85、473.37和1159.68 mg/L,对α-葡萄糖苷酶抑制作用的IC50值为420.48 mg/L,其活性相当于阿卡波糖的2.21倍。1 mg/mL的绿茶末多糖对晚期糖基化终产物抑制率为56.55%,约为氨基胍抑制能力的63%。本研究可为绿茶末资源综合利用及其多糖在天然抗氧化剂和抗糖尿病或功能食品开发或药物中的潜在应用提供理论依据。
, authors=周睿
1, 2, 吴江萍
1, 姜娜娜
1, 李青
1, 愈商权
3, 包鸿慧
1, 2, *, authorsList=周睿, 吴江萍, 姜娜娜, 李青, 愈商权, 包鸿慧, authorCompany=null, correspAuthors=包鸿慧, authorNote=
, correspAuthorsNote=
, copyrightStatement=版权所有 © 2026《食品工业科技》编辑部, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=gC5bp9u6DxgMMkzcbjJmnA==, magXml=+pLCsgzv+hhFQpg6zPFM1w==, pdfUrl=null, pdf=4Mo5O3UjwkIVNioAT0lmPg==, pdfFileSize=2666516, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=GukHR6g+XJEDvmqDaMhlJg==, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=eCnGr+bRbpF6ecExGSmqvQ==, mapNumber=null, fund=null)}, authors=[Author(id=1320889372480754636, tenantId=1146029695717560320, journalId=1260987677001138203, articleId=1320889365052642207, orderNo=0, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=776757242@qq.com, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1320889372564640719, tenantId=1146029695717560320, journalId=1260987677001138203, articleId=1320889365052642207, authorId=1320889372480754636, language=EN, stringName=Rui ZHOU, firstName=Rui, middleName=null, lastName=ZHOU, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1College of Food Science and Chemical Engineering, Hubei University of Arts and Science, Xiangyang 441053, China
2International Scientific and Technological Cooperation Base for Research and Development of Traditional Medicine and Food Homology, Xiangyang 441053, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1320889372732412880, tenantId=1146029695717560320, journalId=1260987677001138203, articleId=1320889365052642207, authorId=1320889372480754636, language=CN, stringName=周睿, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1湖北文理学院食品科学与化学工程学院,湖北襄阳 441053
2湖北省传统药食同源产品研究与开发国际科技合作基地,湖北襄阳 441053, bio={"content":"
周睿(1980−),男,博士,副教授,研究方向:农产品加工与贮藏,E-mail:776757242@qq.com
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周睿(1980−),男,博士,副教授,研究方向:农产品加工与贮藏,E-mail:776757242@qq.com
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2湖北省传统药食同源产品研究与开发国际科技合作基地,湖北襄阳 441053)])]), Author(id=1320889372963099602, tenantId=1146029695717560320, journalId=1260987677001138203, articleId=1320889365052642207, orderNo=1, 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=1320889373046985684, tenantId=1146029695717560320, journalId=1260987677001138203, articleId=1320889365052642207, authorId=1320889372963099602, language=EN, stringName=Jiangping WU, firstName=Jiangping, middleName=null, lastName=WU, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1College of Food Science and Chemical Engineering, Hubei University of Arts and Science, Xiangyang 441053, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1320889373114094549, tenantId=1146029695717560320, journalId=1260987677001138203, articleId=1320889365052642207, authorId=1320889372963099602, language=CN, stringName=吴江萍, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1湖北文理学院食品科学与化学工程学院,湖北襄阳 441053, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1320889372224902082, tenantId=1146029695717560320, journalId=1260987677001138203, articleId=1320889365052642207, xref=1, ext=[AuthorCompanyExt(id=1320889372233290691, tenantId=1146029695717560320, journalId=1260987677001138203, articleId=1320889365052642207, companyId=1320889372224902082, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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1湖北文理学院食品科学与化学工程学院,湖北襄阳 441053)])]), Author(id=1320889373193786327, tenantId=1146029695717560320, journalId=1260987677001138203, articleId=1320889365052642207, orderNo=2, 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=1320889373265089497, tenantId=1146029695717560320, journalId=1260987677001138203, articleId=1320889365052642207, authorId=1320889373193786327, language=EN, stringName=Nana JIANG, firstName=Nana, middleName=null, lastName=JIANG, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
1, address=
1College of Food Science and Chemical Engineering, Hubei University of Arts and Science, Xiangyang 441053, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1320889373323809754, tenantId=1146029695717560320, journalId=1260987677001138203, articleId=1320889365052642207, authorId=1320889373193786327, language=CN, stringName=姜娜娜, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1湖北文理学院食品科学与化学工程学院,湖北襄阳 441053, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1320889372224902082, tenantId=1146029695717560320, journalId=1260987677001138203, articleId=1320889365052642207, xref=1, ext=[AuthorCompanyExt(id=1320889372233290691, tenantId=1146029695717560320, journalId=1260987677001138203, articleId=1320889365052642207, companyId=1320889372224902082, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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1, address=
1College of Food Science and Chemical Engineering, Hubei University of Arts and Science, Xiangyang 441053, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1320889373567079391, tenantId=1146029695717560320, journalId=1260987677001138203, articleId=1320889365052642207, authorId=1320889373428667356, language=CN, stringName=李青, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
1, address=
1湖北文理学院食品科学与化学工程学院,湖北襄阳 441053, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1320889372224902082, tenantId=1146029695717560320, journalId=1260987677001138203, articleId=1320889365052642207, xref=1, ext=[AuthorCompanyExt(id=1320889372233290691, tenantId=1146029695717560320, journalId=1260987677001138203, articleId=1320889365052642207, companyId=1320889372224902082, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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1湖北文理学院食品科学与化学工程学院,湖北襄阳 441053)])]), Author(id=1320889373634188257, tenantId=1146029695717560320, journalId=1260987677001138203, articleId=1320889365052642207, 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=1320889373705491427, tenantId=1146029695717560320, journalId=1260987677001138203, articleId=1320889365052642207, authorId=1320889373634188257, language=EN, stringName=Shangquan YU, firstName=Shangquan, middleName=null, lastName=YU, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
3, address=
3Department of Marine Food Science and Technology, Gangneung-Wonju National University, Gangneung 210702, Korea, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1320889373768405988, tenantId=1146029695717560320, journalId=1260987677001138203, articleId=1320889365052642207, authorId=1320889373634188257, language=CN, stringName=愈商权, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
3, address=
3韩国江陵原州国立大学海洋生物科技学院,韩国江陵 210702, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1320889372396868552, tenantId=1146029695717560320, journalId=1260987677001138203, articleId=1320889365052642207, xref=3, ext=[AuthorCompanyExt(id=1320889372405257161, tenantId=1146029695717560320, journalId=1260987677001138203, articleId=1320889365052642207, companyId=1320889372396868552, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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3韩国江陵原州国立大学海洋生物科技学院,韩国江陵 210702)])]), Author(id=1320889373831320550, tenantId=1146029695717560320, journalId=1260987677001138203, articleId=1320889365052642207, orderNo=5, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=309661530@qq.com, emailSecond=null, emailThird=null, correspondingAuthor=1, authorType=1, ext={EN=AuthorExt(id=1320889373911012329, tenantId=1146029695717560320, journalId=1260987677001138203, articleId=1320889365052642207, authorId=1320889373831320550, language=EN, stringName=Honghui BAO, firstName=Honghui, middleName=null, lastName=BAO, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
1, 2, *, address=
1College of Food Science and Chemical Engineering, Hubei University of Arts and Science, Xiangyang 441053, China
2International Scientific and Technological Cooperation Base for Research and Development of Traditional Medicine and Food Homology, Xiangyang 441053, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1320889373999092714, tenantId=1146029695717560320, journalId=1260987677001138203, articleId=1320889365052642207, authorId=1320889373831320550, language=CN, stringName=包鸿慧, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1湖北文理学院食品科学与化学工程学院,湖北襄阳 441053
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Molecular weight distribution of green tea dust polysaccharide, figureFileSmall=VeqGFfOLXzK4m6aHzW4TnA==, figureFileBig=GukHR6g+XJEDvmqDaMhlJg==, tableContent=null), ArticleFig(id=1320889376603755510, tenantId=1146029695717560320, journalId=1260987677001138203, articleId=1320889365052642207, language=CN, label=图1, caption=
绿茶末多糖的分子质量分布, figureFileSmall=VeqGFfOLXzK4m6aHzW4TnA==, figureFileBig=GukHR6g+XJEDvmqDaMhlJg==, tableContent=null), ArticleFig(id=1320889376813470711, tenantId=1146029695717560320, journalId=1260987677001138203, articleId=1320889365052642207, language=EN, label=Fig.2, caption=
Ion-exchange chromatogram of mixed sugar standards (a) and green tea dust polysaccharide (b), figureFileSmall=FV007H2cfK1sVu8T4TJe0w==, figureFileBig=Xg4vPGSBLtB6QpZ+9bnWcQ==, tableContent=null), ArticleFig(id=1320889376876385272, tenantId=1146029695717560320, journalId=1260987677001138203, articleId=1320889365052642207, language=CN, label=图2, caption=
单糖标准品的混合溶液(a)和绿茶末多糖(b)的离子交换色谱图注:1.岩藻糖;2.鼠李糖;3.阿拉伯糖;4.半乳糖;5.葡萄糖;6.木糖;7.甘露糖;8.果糖;9.核糖;10.半乳糖醛酸;11.古罗糖醛酸;12.葡萄糖醛酸;13.甘露糖醛酸。
, figureFileSmall=FV007H2cfK1sVu8T4TJe0w==, figureFileBig=Xg4vPGSBLtB6QpZ+9bnWcQ==, tableContent=null), ArticleFig(id=1320889377199346681, tenantId=1146029695717560320, journalId=1260987677001138203, articleId=1320889365052642207, language=EN, label=Fig.3, caption=
Fourier transform infrared spectrum of green tea dust polysaccharide, figureFileSmall=eFvoAAyweH/VhHO5M3szug==, figureFileBig=fwrQqt1E9zvj2EVG+yIsLw==, tableContent=null), ArticleFig(id=1320889377258066938, tenantId=1146029695717560320, journalId=1260987677001138203, articleId=1320889365052642207, language=CN, label=图3, caption=
绿茶末多糖的红外光谱图, figureFileSmall=eFvoAAyweH/VhHO5M3szug==, figureFileBig=fwrQqt1E9zvj2EVG+yIsLw==, tableContent=null), ArticleFig(id=1320889377337758715, tenantId=1146029695717560320, journalId=1260987677001138203, articleId=1320889365052642207, language=EN, label=Fig.4, caption=
Scanning electron microscope graph of green tea dust polysaccharide, figureFileSmall=YfQ6VkyNKnWBqlb3SdCBsg==, figureFileBig=FkJc9vQMGb5OgOKRHtonNQ==, tableContent=null), ArticleFig(id=1320889377417450492, tenantId=1146029695717560320, journalId=1260987677001138203, articleId=1320889365052642207, language=CN, label=图4, caption=
绿茶末多糖的扫描电镜图注:A:2000×;B:5000×。
, figureFileSmall=YfQ6VkyNKnWBqlb3SdCBsg==, figureFileBig=FkJc9vQMGb5OgOKRHtonNQ==, tableContent=null), ArticleFig(id=1320889377610388477, tenantId=1146029695717560320, journalId=1260987677001138203, articleId=1320889365052642207, language=EN, label=Fig.5, caption=
Steady-state flow curves of green tea dust polysaccharide, figureFileSmall=fE6szKvROhBJE5FJmuuw2g==, figureFileBig=9iCvWpovkB3x5rcqSPvXqQ==, tableContent=null), ArticleFig(id=1320889377681691646, tenantId=1146029695717560320, journalId=1260987677001138203, articleId=1320889365052642207, language=CN, label=图5, caption=
绿茶末多糖的稳态流动扫描曲线, figureFileSmall=fE6szKvROhBJE5FJmuuw2g==, figureFileBig=9iCvWpovkB3x5rcqSPvXqQ==, tableContent=null), ArticleFig(id=1320889377748800511, tenantId=1146029695717560320, journalId=1260987677001138203, articleId=1320889365052642207, language=EN, label=Fig.6, caption=
Dynamic oscillation frequency scanning curves of green tea dust polysaccharide, figureFileSmall=T2kLxEHGk164ok2idzP/ZA==, figureFileBig=LJ958oXnpJQ81if521NfYA==, tableContent=null), ArticleFig(id=1320889378008847360, tenantId=1146029695717560320, journalId=1260987677001138203, articleId=1320889365052642207, language=CN, label=图6, caption=
绿茶末多糖的动态振荡频率扫描曲线, figureFileSmall=T2kLxEHGk164ok2idzP/ZA==, figureFileBig=LJ958oXnpJQ81if521NfYA==, tableContent=null), ArticleFig(id=1320889378101121024, tenantId=1146029695717560320, journalId=1260987677001138203, articleId=1320889365052642207, language=EN, label=Fig.7, caption=
Thermogravimetric analysis curves of green tea dust polysaccharide, figureFileSmall=h5Yx+ZdCgGrje7iCOBM/Pg==, figureFileBig=o+v6xXGuPounLabA03G8FQ==, tableContent=null), ArticleFig(id=1320889378403110913, tenantId=1146029695717560320, journalId=1260987677001138203, articleId=1320889365052642207, language=CN, label=图7, caption=
绿茶末多糖的热重分析曲线, figureFileSmall=h5Yx+ZdCgGrje7iCOBM/Pg==, figureFileBig=o+v6xXGuPounLabA03G8FQ==, tableContent=null), ArticleFig(id=1320889378486996994, tenantId=1146029695717560320, journalId=1260987677001138203, articleId=1320889365052642207, language=EN, label=Fig.8, caption=
DPPH radical scavenging activities of green tea dust polysaccharide, figureFileSmall=rg5XBPJP/RjjPGVrWQnXIA==, figureFileBig=yAIOlwKwwxDfQ7KCueathA==, tableContent=null), ArticleFig(id=1320889378558300163, tenantId=1146029695717560320, journalId=1260987677001138203, articleId=1320889365052642207, language=CN, label=图8, caption=
绿茶末多糖的DPPH自由基清除活性, figureFileSmall=rg5XBPJP/RjjPGVrWQnXIA==, figureFileBig=yAIOlwKwwxDfQ7KCueathA==, tableContent=null), ArticleFig(id=1320889378839318532, tenantId=1146029695717560320, journalId=1260987677001138203, articleId=1320889365052642207, language=EN, label=Fig.9, caption=
Ferric reducing antioxidant power of green tea dust polysaccharide, figureFileSmall=4XkNqd7w7Z/KinObLpjJAA==, figureFileBig=qlarISZTOxIKQPwDucXBVw==, tableContent=null), ArticleFig(id=1320889378914816005, tenantId=1146029695717560320, journalId=1260987677001138203, articleId=1320889365052642207, language=CN, label=图9, caption=
绿茶末多糖的铁离子还原抗氧化能力, figureFileSmall=4XkNqd7w7Z/KinObLpjJAA==, figureFileBig=qlarISZTOxIKQPwDucXBVw==, tableContent=null), ArticleFig(id=1320889379330052102, tenantId=1146029695717560320, journalId=1260987677001138203, articleId=1320889365052642207, language=EN, label=Fig.10, caption=
Ferrous ion chelating capacity of green tea dust polysaccharide, figureFileSmall=T5kU/eRvJ59jse9ROFIkIA==, figureFileBig=gfaRd5Tw0DdAjKRiiEMZlg==, tableContent=null), ArticleFig(id=1320889380907110408, tenantId=1146029695717560320, journalId=1260987677001138203, articleId=1320889365052642207, language=CN, label=图10, caption=
绿茶末多糖的亚铁离子螯合能力, figureFileSmall=T5kU/eRvJ59jse9ROFIkIA==, figureFileBig=gfaRd5Tw0DdAjKRiiEMZlg==, tableContent=null), ArticleFig(id=1320889380990996489, tenantId=1146029695717560320, journalId=1260987677001138203, articleId=1320889365052642207, language=EN, label=Fig.11, caption=
Anti-AGEs abilities of green tea dust polysaccharide, figureFileSmall=1UAlVUCZn/IJqlfG5hFtlQ==, figureFileBig=yDhpGWyZB0j0ruTsHxpLoA==, tableContent=null), ArticleFig(id=1320889381389455370, tenantId=1146029695717560320, journalId=1260987677001138203, articleId=1320889365052642207, language=CN, label=图11, caption=
绿茶末多糖对AGEs形成的抑制能力注:不同小写字母不同表示差异显著(P<0.05);图12同。
, figureFileSmall=1UAlVUCZn/IJqlfG5hFtlQ==, figureFileBig=yDhpGWyZB0j0ruTsHxpLoA==, tableContent=null), ArticleFig(id=1320889381766942731, tenantId=1146029695717560320, journalId=1260987677001138203, articleId=1320889365052642207, language=EN, label=Fig.12, caption=
α-Glucosidase inhibition activities of green tea dust polysaccharide, figureFileSmall=l/K3Uejef1AdY+ZVLZVeUw==, figureFileBig=m8b+L7hW4wAOn0n1RzJQzQ==, tableContent=null), ArticleFig(id=1320889381834051596, tenantId=1146029695717560320, journalId=1260987677001138203, articleId=1320889365052642207, language=CN, label=图12, caption=
绿茶末多糖对α-葡萄糖苷酶活性抑制能力, figureFileSmall=l/K3Uejef1AdY+ZVLZVeUw==, figureFileBig=m8b+L7hW4wAOn0n1RzJQzQ==, tableContent=null), ArticleFig(id=1320889381943103502, tenantId=1146029695717560320, journalId=1260987677001138203, articleId=1320889365052642207, language=EN, label=Table 1, caption=
Chemical composition of green tea dust polysaccharide
, figureFileSmall=null, figureFileBig=null, tableContent=
| 得率(%) | 总糖含量 (%) | 糖醛酸含量 (%) | 蛋白质含量 (%) | 总酚含量 (%) |
|---|
| 6.50±0.16 | 44.73±0.51 | 22.58±0.69 | 2.92±0.07 | 4.35±0.07 |
), ArticleFig(id=1320889382224121871, tenantId=1146029695717560320, journalId=1260987677001138203, articleId=1320889365052642207, language=CN, label=表1, caption=
绿茶末多糖的化学组成
, figureFileSmall=null, figureFileBig=null, tableContent=
| 得率(%) | 总糖含量 (%) | 糖醛酸含量 (%) | 蛋白质含量 (%) | 总酚含量 (%) |
|---|
| 6.50±0.16 | 44.73±0.51 | 22.58±0.69 | 2.92±0.07 | 4.35±0.07 |
), ArticleFig(id=1320889382345756688, tenantId=1146029695717560320, journalId=1260987677001138203, articleId=1320889365052642207, language=EN, label=Table 2, caption=
Rheological characteristic parameters of green tea dust polysaccharide
, figureFileSmall=null, figureFileBig=null, tableContent=
| 质量浓度(%) | 静态流变模型方程 η = K×γn−1 | | 动态流变模型方程 G* = Aα×ωα |
|---|
| K (mPa·sn) | n | R2 | | Aα (Pa·rad−α·sα) | α | R2 |
|---|
| 2 | 24.199±0.881c | 0.563±0.005a | 0.996 | | 0.156±0.004c | 0.697±0.007a | 0.992 |
| 5 | 56.997±1.964b | 0.531±0.003b | 0.997 | | 0.314±0.011b | 0.666±0.005b | 0.994 |
| 10 | 105.615±3.437a | 0.503±0.009c | 0.999 | | 0.578±0.017a | 0.640±0.002c | 0.993 |
), ArticleFig(id=1320889382630969361, tenantId=1146029695717560320, journalId=1260987677001138203, articleId=1320889365052642207, language=CN, label=表2, caption=
绿茶末多糖的流变学特征参数
, figureFileSmall=null, figureFileBig=null, tableContent=
| 质量浓度(%) | 静态流变模型方程 η = K×γn−1 | | 动态流变模型方程 G* = Aα×ωα |
|---|
| K (mPa·sn) | n | R2 | | Aα (Pa·rad−α·sα) | α | R2 |
|---|
| 2 | 24.199±0.881c | 0.563±0.005a | 0.996 | | 0.156±0.004c | 0.697±0.007a | 0.992 |
| 5 | 56.997±1.964b | 0.531±0.003b | 0.997 | | 0.314±0.011b | 0.666±0.005b | 0.994 |
| 10 | 105.615±3.437a | 0.503±0.009c | 0.999 | | 0.578±0.017a | 0.640±0.002c | 0.993 |
), ArticleFig(id=1320889382702272530, tenantId=1146029695717560320, journalId=1260987677001138203, articleId=1320889365052642207, language=EN, label=Table 3, caption=
IC50 values in antioxidant and enzyme inhibitory activities of green tea dust polysaccharide
, figureFileSmall=null, figureFileBig=null, tableContent=
| 样品 | DPPH(mg/L) | FRAP(mg/L) | FIC(mg/L) | α-葡萄糖苷酶抑制活性(mg/L) |
|---|
| VC | 9.93±0.33b | 33.49±1.02b | ND | ND |
| EDTA | ND | ND | 5.92±0.13b | ND |
| 阿卡波糖 | ND | ND | ND | 929.59±26.70a |
| 绿茶末多糖 | 90.85±1.86a | 473.37±12.79a | 1159.68±20.18a | 420.48±10.38b |
), ArticleFig(id=1320889382773575699, tenantId=1146029695717560320, journalId=1260987677001138203, articleId=1320889365052642207, language=CN, label=表3, caption=
绿茶末多糖体外抗氧化和酶抑制活性的IC50值
, figureFileSmall=null, figureFileBig=null, tableContent=
| 样品 | DPPH(mg/L) | FRAP(mg/L) | FIC(mg/L) | α-葡萄糖苷酶抑制活性(mg/L) |
|---|
| VC | 9.93±0.33b | 33.49±1.02b | ND | ND |
| EDTA | ND | ND | 5.92±0.13b | ND |
| 阿卡波糖 | ND | ND | ND | 929.59±26.70a |
| 绿茶末多糖 | 90.85±1.86a | 473.37±12.79a | 1159.68±20.18a | 420.48±10.38b |
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