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首页> 外文期刊>Journal of separation science. >Investigation of free and conjugated seleno‐amino acids in wheat bran by hydrophilic interaction liquid chromatography with tandem mass spectrometry
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Investigation of free and conjugated seleno‐amino acids in wheat bran by hydrophilic interaction liquid chromatography with tandem mass spectrometry

机译：用串联质谱法通过亲水相互作用液相色谱研究小麦糠醛在小麦糠醛中的自由和共轭硒 - 氨基酸研究

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Abstract > An analytical method for determining seleno‐methionine, methyl‐seleno‐cysteine, and seleno‐cystine in wheat bran was developed and validated. Four different extraction procedures were evaluated to simultaneously extract endogenous free and conjugated seleno‐amino acids in wheat bran in order to select the best extraction protocol in terms of seleno amino acid quantitation. The extracted samples were subjected to a clean‐up by a reversed phase/strong cation exchange solid‐phase extraction and analyzed by chiral hydrophilic interaction liquid chromatography‐tandem mass spectrometry. The optimized extraction protocol was employed to validate the methodology. Process efficiency ranged from 58 to 112% and trueness from 73 to 98%. Limit of detection and limit of quantification were lower than 1?ng/g. Four wheat bran samples were analyzed for both total Se and single seleno‐amino acids determination. The results showed that Se‐ seleno‐methyl‐ <sc>l</sc> selenocysteine was the major seleno‐amino acid in wheat bran while seleno‐methionine and seleno‐cysteine were both minor species. </abstract> </span> <span class="z_kbtn z_kbtnclass hoverxs" style="display: none;">展开▼</span> </div> <div class="translation abstracttxt"> <span class="zhankaihshouqi fivelineshidden" id="abstract"> <span>机译：</span><Abstract Type =“Main”XML：Lang =“en”> <标题类型=“main”>摘要</标题> >测定Seleno-甲硫氨酸，甲基 - 硒 - 半胱氨酸和硒 - 胱烯胱烯 - 胱酮的分析方法在小麦麸皮中开发并验证。评估四种不同的提取程序，同时提取小麦麸皮中的内源性和共轭硒 - 氨基酸，以便在Seleno氨基酸定量方面选择最佳的提取方案。通过反相/强阳离子交换固相提取进行提取的样品进行清洁，并通过手性亲水相互作用液相色谱 - 串联质谱法分析。采用优化的提取方案来验证方法。工艺效率从58％到112％，73％到98％。检测极限和定量限制低于1？Ng / g。分析了四个小麦麸样品，用于总SE和单硒 - 氨基酸测定。结果表明，SE-硒 - 甲基 - <SC> L </ sc>硒酰均酮是小麦麸皮中的主要硒 - 氨基酸，而Seleno-Methionine和Seleno-半胱氨酸均为次要物种。 </ p> </ abstract> </span> <span class="z_kbtn z_kbtnclass hoverxs" style="display: none;">展开▼</span> </div> </div> <div class="record"> <h2 class="all_title" id="enpatent33" >著录项</h2> <ul> <li> <span class="lefttit">来源</span> <div style="width: 86%;vertical-align: text-top;display: inline-block;"> <a href='/journal-foreign-35800/'>《Journal of separation science.》</a> <b style="margin: 0 2px;">|</b><span>2019年第10期</span><b style="margin: 0 2px;">|</b><span>共10页</span> </div> </li> <li> <div class="author"> <span class="lefttit">作者</span> <p id="fAuthorthree" class="threelineshidden zhankaihshouqi"> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Montone Carmela Maria&option=202" target="_blank" rel="nofollow">Montone Carmela Maria;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Antonelli Michela&option=202" target="_blank" rel="nofollow">Antonelli Michela;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Capriotti Anna Laura&option=202" target="_blank" rel="nofollow">Capriotti Anna Laura;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Cavaliere Chiara&option=202" target="_blank" rel="nofollow">Cavaliere Chiara;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Barbera Giorgia&option=202" target="_blank" rel="nofollow">Barbera Giorgia;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Piovesana Susy&option=202" target="_blank" rel="nofollow">Piovesana Susy;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Laganà Aldo&option=202" target="_blank" rel="nofollow">Laganà Aldo;</a> </p> <span class="z_kbtnclass z_kbtnclassall hoverxs" id="zkzz" style="display: none;">展开▼</span> </div> </li> <li> <div style="display: flex;"> <span class="lefttit">作者单位</span> <div style="position: relative;margin-left: 3px;max-width: 639px;"> <div class="threelineshidden zhankaihshouqi" id="fOrgthree"> <p>Dipartimento di ChimicaSapienza Università di RomaRome Italy;</p> <p>Dipartimento di ChimicaSapienza Università di RomaRome Italy;</p> <p>Dipartimento di ChimicaSapienza Università di RomaRome Italy;</p> <p>Dipartimento di ChimicaSapienza Università di RomaRome Italy;</p> <p>Dipartimento di ChimicaSapienza Università di RomaRome Italy;</p> <p>Dipartimento di ChimicaSapienza Università di RomaRome Italy;</p> <p>Dipartimento di ChimicaSapienza Università di RomaRome Italy;</p> </div> <span class="z_kbtnclass z_kbtnclassall hoverxs" id="zhdw" style="display: none;">展开▼</span> </div> </div> </li> <li > <span class="lefttit">收录信息</span> <span style="width: 86%;vertical-align: text-top;display: inline-block;"></span> </li> <li> <span class="lefttit">原文格式</span> <span>PDF</span> </li> <li> <span class="lefttit">正文语种</span> <span>eng</span> </li> <li> <span class="lefttit">中图分类</span> <span><a href="https://www.zhangqiaokeyan.com/clc/159.html" title="化学">化学;</a></span> </li> <li class="antistop"> <span class="lefttit">关键词</span> <p style="width: 86%;vertical-align: text-top;"> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=enantioselective high‐performance liquid chromatography&option=203" rel="nofollow">enantioselective high‐performance liquid chromatography;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=mass spectrometry&option=203" rel="nofollow">mass spectrometry;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=seleno‐amino acids&option=203" rel="nofollow">seleno‐amino acids;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=total selenium&option=203" rel="nofollow">total selenium;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=wheat bran&option=203" rel="nofollow">wheat bran;</a> </p> <div class="translation"> 机译：对映选择性的高效液相色谱;质谱;Seleno-氨基酸;全硒;小麦麸皮; </div> </li> </ul> </div> </div> <div class="literature cardcommon"> <div class="similarity "> <h3 class="all_title" id="enpatent66">相似文献</h3> <div class="similaritytab clearfix"> <ul> <li class="active" >外文文献</li> <li 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