Article(id=1320883769301648203, tenantId=1146029695717560320, journalId=1260987677001138203, issueId=1320881884691808691, articleNumber=null, orderNo=null, doi=10.13386/j.issn1002-0306.2025070106, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1752076800000, receivedDateStr=2025-07-10, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1792852831434, onlineDateStr=2026-10-24, pubDate=1782835200000, pubDateStr=2026-07-01, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1792852831434, onlineIssueDateStr=2026-10-24, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1792852831434, creator=13701087609, updateTime=1792852831434, updator=13701087609, issue=Issue{id=1320881884691808691, tenantId=1146029695717560320, journalId=1260987677001138203, year='2026', volume='47', issue='13', pageStart='1', pageEnd='522', issueExtLink='null', onlineDate='null', pubDate='1782835200000', pubDateStr='2026-07-01', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1792852382109, creator='13701087609', updateTime=1792852382109, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext=null, issueFiles=null, downloadFileDto=null}, startPage=134, endPage=144, ext={EN=ArticleExt(id=1320883769498780492, articleId=1320883769301648203, tenantId=1146029695717560320, journalId=1260987677001138203, language=EN, title=Isolation and Identification of New Umami Peptides from Dianzhong Cattle and Its Molecular Mechanism of Action with T1R1/T1R3 Receptors, columnId=1261336277291548795, journalTitle=Science and Technology of Food Industry, columnName=Research and Investigation, runingTitle=null, highlight=null, articleAbstract=
To study the umami peptides and umami mechanism of yellow beef in central Yunnan, ultrafiltration technology combined with liquid chromatography-tandem mass spectrometry (LC-MS/MS) was used to identify the peptides in the water extract of yellow cattle meat from central Yunnan. Based on virtual screening, the characteristic umami peptides of central Yunnan yellow beef were identified, and their theoretical taste characteristics were predicted. Molecular docking was used to reveal the binding mechanism between umami peptides and the receptors T1R1/T1R3. The sensory evaluation showed that the water extract of beef with a molecular weight <1 kDa had the best umami taste. A total of 2609 peptides were identified using LC-MS/MS, and 124 potential umami peptides were obtained by virtual prediction. Four characteristic umami peptides (LRDW, DVF, APKIPEGE, and GVWD) with high umami activity, safety, and non-toxicity were selected based on the analysis of umami-active fragments and their physical and chemical properties. The molecular weight ranged from 379.17 to 839.44 Da. Molecular docking showed that the four umami peptides mainly bind to the T1R3 receptor by activating the key amino acid residues His145, Glu148, Ala302, and His278, with hydrogen bonding being the key force involved, followed by electrostatic and hydrophobic interactions. This study provides a theoretical basis for improving the structure-activity relationship and efficient screening of umami peptides, and also provides a theoretical basis for the in-depth development of local beef umami peptides.
, authors=Zhenzhu LI, Changqing MU, Wentao ZHENG, Yuzhu WANG, Aixiang HUANG
*, authorsList=Zhenzhu LI, Changqing MU, Wentao ZHENG, Yuzhu WANG, Aixiang HUANG, authorCompany=null, correspAuthors=Aixiang HUANG, 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=1320883771092616029, articleId=1320883769301648203, tenantId=1146029695717560320, journalId=1260987677001138203, language=CN, title=滇中黄牛新型鲜味肽的分离鉴定及与T1R1/T1R3受体的分子作用机制研究, columnId=1261336277849391232, journalTitle=食品工业科技, columnName=研究与探讨, runingTitle=null, highlight=null, articleAbstract=
为研究滇中黄牛肉中的鲜味肽及呈鲜机理,本文通过超滤技术结合液相色谱-串联质谱(Liquid Chromatography-Tandem Mass Spectrometry,LC-MS/MS)对滇中黄牛肉水提物中的肽段进行鉴定;基于虚拟筛选挖掘滇中黄牛肉的特征鲜味肽,并预测肽段的理论呈味特征;利用分子对接技术揭示鲜味肽与受体T1R1/T1R3的结合机制。感官评价结果表明,分子量<1 kDa的牛肉水提物组分鲜味最好,基于LC-MS/MS共鉴定得到2609条多肽,通过虚拟预测得到124条潜在鲜味肽,结合鲜味活性片段和理化性质分析挑选了4条鲜味活性高、安全无毒的特征鲜味肽(LRDW、DVF、APKIPEGE、GVWD),分子量为379.17~839.44 Da;分子对接表明4条鲜味肽主要通过激活关键氨基酸残基His145、Glu148、Ala302和His278与T1R3受体稳定结合,涉及的关键作用力是氢键,其次是静电和疏水相互作用。本研究为完善鲜味肽的构效关系及高效筛选提供理论基础,也为地方牛肉鲜味肽的深度开发提供理论依据。
, authors=李珍珠, 沐长青, 郑文涛, 王玉珠, 黄艾祥
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Sensory score radar chart and difference significance, figureFileSmall=+/T4YUxD2aPWs16nt5ljQg==, figureFileBig=jMrylqTHFmYYniMamyVVSQ==, tableContent=null), ArticleFig(id=1320883773563061125, tenantId=1146029695717560320, journalId=1260987677001138203, articleId=1320883769301648203, language=CN, label=图1, caption=
感官评分雷达图及差异显著性注:不同字母表示组间差异显著(P<0.05)。
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Ion chromatograms identified by LC-MS/MS, figureFileSmall=gWy6GgtC8+oeT1heGuRPxw==, figureFileBig=yXtbYtwStCOjA453X5w3GA==, tableContent=null), ArticleFig(id=1320883773906994055, tenantId=1146029695717560320, journalId=1260987677001138203, articleId=1320883769301648203, language=CN, label=图2, caption=
LC-MS/MS鉴定的离子色谱图, figureFileSmall=gWy6GgtC8+oeT1heGuRPxw==, figureFileBig=yXtbYtwStCOjA453X5w3GA==, tableContent=null), ArticleFig(id=1320883773965714312, tenantId=1146029695717560320, journalId=1260987677001138203, articleId=1320883769301648203, language=EN, label=Fig.3, caption=
Results of the peptide spectrum, figureFileSmall=6saotvRTGFxi3c7IZ/9FFA==, figureFileBig=nqkqQLhLiFJRvu7ohSCxMA==, tableContent=null), ArticleFig(id=1320883774020240265, tenantId=1146029695717560320, journalId=1260987677001138203, articleId=1320883769301648203, language=CN, label=图3, caption=
肽谱结果注:图A为肽的长度;图B为肽的分子量;图C为肽的峰强度。
, figureFileSmall=6saotvRTGFxi3c7IZ/9FFA==, figureFileBig=nqkqQLhLiFJRvu7ohSCxMA==, tableContent=null), ArticleFig(id=1320883774112514954, tenantId=1146029695717560320, journalId=1260987677001138203, articleId=1320883769301648203, language=EN, label=Fig.4, caption=
Frequency of amino acids in peptides, figureFileSmall=sQXSpjMPGfN0PovgMe5xUA==, figureFileBig=QTXPqGGr1XMO/rOb6ppuyg==, tableContent=null), ArticleFig(id=1320883774179623819, tenantId=1146029695717560320, journalId=1260987677001138203, articleId=1320883769301648203, language=CN, label=图4, caption=
肽段中氨基酸出现次数, figureFileSmall=sQXSpjMPGfN0PovgMe5xUA==, figureFileBig=QTXPqGGr1XMO/rOb6ppuyg==, tableContent=null), ArticleFig(id=1320883774250926988, tenantId=1146029695717560320, journalId=1260987677001138203, articleId=1320883769301648203, language=EN, label=Fig.5, caption=
Main protein source and peptide chain length of 124 potential umami peptides, figureFileSmall=Rtcc/YDhlGS1hX1Rr/0krQ==, figureFileBig=1yvTwGJ1ZYG26L0VLSy+kw==, tableContent=null), ArticleFig(id=1320883774318035853, tenantId=1146029695717560320, journalId=1260987677001138203, articleId=1320883769301648203, language=CN, label=图5, caption=
124条潜在鲜味肽的主要蛋白来源与肽链长度注:图A为主要蛋白来源;图B为肽链长度。
, figureFileSmall=Rtcc/YDhlGS1hX1Rr/0krQ==, figureFileBig=1yvTwGJ1ZYG26L0VLSy+kw==, tableContent=null), ArticleFig(id=1320883774393533326, tenantId=1146029695717560320, journalId=1260987677001138203, articleId=1320883769301648203, language=EN, label=Fig.6, caption=
Homology model of umami peptide receptor T1R1/T1R3, figureFileSmall=T1cLZwUYp5HuLM/pz/2bqg==, figureFileBig=R7rW0Ur+nTzhv2EnEx27BA==, tableContent=null), ArticleFig(id=1320883774464836495, tenantId=1146029695717560320, journalId=1260987677001138203, articleId=1320883769301648203, language=CN, label=图6, caption=
鲜味肽受体T1R1/T1R3同源模拟模型, figureFileSmall=T1cLZwUYp5HuLM/pz/2bqg==, figureFileBig=R7rW0Ur+nTzhv2EnEx27BA==, tableContent=null), ArticleFig(id=1320883774531945360, tenantId=1146029695717560320, journalId=1260987677001138203, articleId=1320883769301648203, language=EN, label=Fig.7, caption=
Docking posture of umami peptide and umami receptor T1R1/T1R3, figureFileSmall=6lTu9eEQG8OFPO1S16GGBA==, figureFileBig=Ykl2X0F1O6k+F/nPjep1/g==, tableContent=null), ArticleFig(id=1320883774599054225, tenantId=1146029695717560320, journalId=1260987677001138203, articleId=1320883769301648203, language=CN, label=图7, caption=
鲜味肽与鲜味受体T1R1/T1R3对接姿势, figureFileSmall=6lTu9eEQG8OFPO1S16GGBA==, figureFileBig=Ykl2X0F1O6k+F/nPjep1/g==, tableContent=null), ArticleFig(id=1320883774666163090, tenantId=1146029695717560320, journalId=1260987677001138203, articleId=1320883769301648203, language=EN, label=Fig.8, caption=
Interaction force and site between umami peptide and umami receptor T1R1/T1R3, figureFileSmall=E1NKUEV/egs0I3Rg5RBHjA==, figureFileBig=I8HZqEV6XLHd6mvuVBHi/g==, tableContent=null), ArticleFig(id=1320883774724883347, tenantId=1146029695717560320, journalId=1260987677001138203, articleId=1320883769301648203, language=CN, label=图8, caption=
鲜味肽与鲜味受体T1R1/T1R3相互作用力及位点, figureFileSmall=E1NKUEV/egs0I3Rg5RBHjA==, figureFileBig=I8HZqEV6XLHd6mvuVBHi/g==, tableContent=null), ArticleFig(id=1320883774796186516, tenantId=1146029695717560320, journalId=1260987677001138203, articleId=1320883769301648203, language=EN, label=Table 1, caption=
Sensory evaluation criteria
, figureFileSmall=null, figureFileBig=null, tableContent=
| 味道强度 | 无味 | 极轻微 | 轻微 | 略带味道 | 轻度味道 | 中等味道 | 较强味道 | 强烈味道 | 极强味道 | 极强烈味道 |
|---|
| 得分(分) | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 |
), ArticleFig(id=1320883774863295381, tenantId=1146029695717560320, journalId=1260987677001138203, articleId=1320883769301648203, language=CN, label=表1, caption=
感官评价标准
, figureFileSmall=null, figureFileBig=null, tableContent=
| 味道强度 | 无味 | 极轻微 | 轻微 | 略带味道 | 轻度味道 | 中等味道 | 较强味道 | 强烈味道 | 极强味道 | 极强烈味道 |
|---|
| 得分(分) | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 |
), ArticleFig(id=1320883774934598550, tenantId=1146029695717560320, journalId=1260987677001138203, articleId=1320883769301648203, language=EN, label=Table 2, caption=
Tools and websites used in this paper
, figureFileSmall=null, figureFileBig=null, tableContent=
| 工具 | 网址 | 参考文献 |
|---|
| PeptideRanker | http://distilldeep.ucd.ie/PeptideRanker/ | [19] |
| UMPred-FRL | https://pmlabstack.pythonanywhere.com/UMPred-FRL | [20] |
| Umami-YYDS | http://www.tastepeptides-meta.com/Umami_YYDS | [21] |
| BIOPEP-UWM | https://biochemia.uwm.edu.pl/biopep-uwm/ | [22] |
| ToxinPred | https://webs.iiitd.edu.in/raghava/toxinpred/index.html | [23] |
| Innovagen tool | http://www.innovagen.com/proteomics-tools | [23] |
), ArticleFig(id=1320883775014290327, tenantId=1146029695717560320, journalId=1260987677001138203, articleId=1320883769301648203, language=CN, label=表2, caption=
本文所使用工具及网址
, figureFileSmall=null, figureFileBig=null, tableContent=
| 工具 | 网址 | 参考文献 |
|---|
| PeptideRanker | http://distilldeep.ucd.ie/PeptideRanker/ | [19] |
| UMPred-FRL | https://pmlabstack.pythonanywhere.com/UMPred-FRL | [20] |
| Umami-YYDS | http://www.tastepeptides-meta.com/Umami_YYDS | [21] |
| BIOPEP-UWM | https://biochemia.uwm.edu.pl/biopep-uwm/ | [22] |
| ToxinPred | https://webs.iiitd.edu.in/raghava/toxinpred/index.html | [23] |
| Innovagen tool | http://www.innovagen.com/proteomics-tools | [23] |
), ArticleFig(id=1320883775093982104, tenantId=1146029695717560320, journalId=1260987677001138203, articleId=1320883769301648203, language=EN, label=Table 3, caption=
Results of the screening of potential umami petides
, figureFileSmall=null, figureFileBig=null, tableContent=
| 肽序列 | 鉴定得分 | 毒性 | 水溶性 | 鲜味活性 | 肽段长度 | 分子量(Da) |
|---|
| LRDW | 43.988 | Non | Good | 25% | 4 | 588.30 |
| DVF | 49.069 | Non | Good | 33% | 3 | 379.17 |
| APKIPEGE | 97.093 | Non | Good | 38% | 8 | 839.44 |
| GVWD | 55.36 | Non | Good | 25% | 4 | 475.21 |
| YPLDFARTR | 149.82 | Non | Good | 11% | 9 | 1137.59 |
| TSF | 53.53 | Non | Poor | Non | 3 | 353.16 |
| DTLSRMLFG | 122.18 | Non | Good | 11% | 9 | 1038.51 |
| LRSPL | 63.58 | Non | Good | Non | 5 | 584.36 |
| LPSRL | 43.63 | Non | Good | Non | 5 | 584.36 |
| WSNVLRGM | 97.07 | Non | Poor | Non | 8 | 961.48 |
| WHNDNKSF | 98.63 | Non | Good | 13% | 8 | 1046.46 |
| HALNDMTSI | 154.01 | Non | Poor | 11% | 9 | 1000.46 |
| ALNDHFVKL | 111.82 | Non | Good | 11% | 9 | 1055.57 |
), ArticleFig(id=1320883775165285273, tenantId=1146029695717560320, journalId=1260987677001138203, articleId=1320883769301648203, language=CN, label=表3, caption=
潜在鲜味肽虚拟筛选结果
, figureFileSmall=null, figureFileBig=null, tableContent=
| 肽序列 | 鉴定得分 | 毒性 | 水溶性 | 鲜味活性 | 肽段长度 | 分子量(Da) |
|---|
| LRDW | 43.988 | Non | Good | 25% | 4 | 588.30 |
| DVF | 49.069 | Non | Good | 33% | 3 | 379.17 |
| APKIPEGE | 97.093 | Non | Good | 38% | 8 | 839.44 |
| GVWD | 55.36 | Non | Good | 25% | 4 | 475.21 |
| YPLDFARTR | 149.82 | Non | Good | 11% | 9 | 1137.59 |
| TSF | 53.53 | Non | Poor | Non | 3 | 353.16 |
| DTLSRMLFG | 122.18 | Non | Good | 11% | 9 | 1038.51 |
| LRSPL | 63.58 | Non | Good | Non | 5 | 584.36 |
| LPSRL | 43.63 | Non | Good | Non | 5 | 584.36 |
| WSNVLRGM | 97.07 | Non | Poor | Non | 8 | 961.48 |
| WHNDNKSF | 98.63 | Non | Good | 13% | 8 | 1046.46 |
| HALNDMTSI | 154.01 | Non | Poor | 11% | 9 | 1000.46 |
| ALNDHFVKL | 111.82 | Non | Good | 11% | 9 | 1055.57 |
), ArticleFig(id=1320883775257559962, tenantId=1146029695717560320, journalId=1260987677001138203, articleId=1320883769301648203, language=EN, label=Table 4, caption=
Flavoring activity prediction and amino acid analysis results of umami peptides
, figureFileSmall=null, figureFileBig=null, tableContent=
| 肽段序列 | 氨基酸残基数(个) | 呈味活性片段预测 |
|---|
| 涩味 | 苦味 | 苦味抑制 | 咸味 | 酸味 | 甜味 | 甜味抑制 | 鲜味 | 鲜味增强 |
|---|
| LRDW | 4 | − | 0.75 | 0.35 | 0.25 | 0.25 | − | − | 0.25 | − |
| DVF | 3 | − | 1.33 | − | 0.33 | 0.67 | 0.33 | − | 0.33 | − |
| APKIPEGE | 8 | 0.13 | 1 | 0.13 | − | 0.38 | 0.63 | − | 0.38 | 0.13 |
| GVWD | 4 | − | 0.75 | − | 0.25 | 0.25 | 0.5 | − | 0.25 | − |
), ArticleFig(id=1320883775341446043, tenantId=1146029695717560320, journalId=1260987677001138203, articleId=1320883769301648203, language=CN, label=表4, caption=
鲜味肽的呈味活性预测及氨基酸分析结果
, figureFileSmall=null, figureFileBig=null, tableContent=
| 肽段序列 | 氨基酸残基数(个) | 呈味活性片段预测 |
|---|
| 涩味 | 苦味 | 苦味抑制 | 咸味 | 酸味 | 甜味 | 甜味抑制 | 鲜味 | 鲜味增强 |
|---|
| LRDW | 4 | − | 0.75 | 0.35 | 0.25 | 0.25 | − | − | 0.25 | − |
| DVF | 3 | − | 1.33 | − | 0.33 | 0.67 | 0.33 | − | 0.33 | − |
| APKIPEGE | 8 | 0.13 | 1 | 0.13 | − | 0.38 | 0.63 | − | 0.38 | 0.13 |
| GVWD | 4 | − | 0.75 | − | 0.25 | 0.25 | 0.5 | − | 0.25 | − |
), ArticleFig(id=1320883775416943516, tenantId=1146029695717560320, journalId=1260987677001138203, articleId=1320883769301648203, language=EN, label=Table 5, caption=
Docking energy of characteristic umami peptides
, figureFileSmall=null, figureFileBig=null, tableContent=
| 鲜味肽 | 对接能量(kcal/mol) |
|---|
| LRDW | −8.99 |
| GVWD | −8.47 |
| DVF | −7.47 |
| APKIPEGE | −8.59 |
), ArticleFig(id=1320883775488246685, tenantId=1146029695717560320, journalId=1260987677001138203, articleId=1320883769301648203, language=CN, label=表5, caption=
特征鲜味肽对接能量
, figureFileSmall=null, figureFileBig=null, tableContent=
| 鲜味肽 | 对接能量(kcal/mol) |
|---|
| LRDW | −8.99 |
| GVWD | −8.47 |
| DVF | −7.47 |
| APKIPEGE | −8.59 |
), ArticleFig(id=1320883775555355550, tenantId=1146029695717560320, journalId=1260987677001138203, articleId=1320883769301648203, language=EN, label=Table 6, caption=
Binding sites between umami peptides and umami receptor T1R1/T1R3
, figureFileSmall=null, figureFileBig=null, tableContent=
| 结合位点 | LRDW | GVWD | DVF | APKIPEGE |
|---|
| Asn68 | + | | | + |
| Gln389 | ++ | ++ | | + |
| His145 | ++++ | +++ | + | ++ |
| Tyr218 | + | | + | |
| Ser146 | + | ++ | | + |
| Ser147 | + | | ++ | + |
| Ser170 | | ++ | | |
| Ser104 | + | | + | |
| Ser276 | | | + | ++ |
| Gly168 | | + | | |
| Glu148 | +++ | ++ | +++ | |
| Ala302 | +++ | ++ | + | + |
| Val277 | + | | | |
| Pro42 | + | | | |
| Glu45 | + | | | |
| Met171 | | + | | |
| Glu301 | | + | | |
| Asp216 | | + | ++ | ++ |
| His278 | | | | +++ |
| Leu245 | | | | ++ |
| Glu217 | | | + | |
), ArticleFig(id=1320883775660213151, tenantId=1146029695717560320, journalId=1260987677001138203, articleId=1320883769301648203, language=CN, label=表6, caption=
鲜味肽与鲜味受体T1R1/T1R3结合位点
, figureFileSmall=null, figureFileBig=null, tableContent=
| 结合位点 | LRDW | GVWD | DVF | APKIPEGE |
|---|
| Asn68 | + | | | + |
| Gln389 | ++ | ++ | | + |
| His145 | ++++ | +++ | + | ++ |
| Tyr218 | + | | + | |
| Ser146 | + | ++ | | + |
| Ser147 | + | | ++ | + |
| Ser170 | | ++ | | |
| Ser104 | + | | + | |
| Ser276 | | | + | ++ |
| Gly168 | | + | | |
| Glu148 | +++ | ++ | +++ | |
| Ala302 | +++ | ++ | + | + |
| Val277 | + | | | |
| Pro42 | + | | | |
| Glu45 | + | | | |
| Met171 | | + | | |
| Glu301 | | + | | |
| Asp216 | | + | ++ | ++ |
| His278 | | | | +++ |
| Leu245 | | | | ++ |
| Glu217 | | | + | |
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