荷叶碳点的制备及在食品胭脂红检测中的应用
[目的]建立一种简便、快速、高效、灵敏的胭脂红检测方法.[方法]以荷叶为碳源,采用溶剂热法制备碳点(FN-CDs),通过单因素试验优化制备条件;研究影响FN-CDs荧光强度的因素、共存物对检测体系的影响,优化测定条件;将FN-CDs用于食品中胭脂红含量测定并探究其作用机理.[结果]以 0.6 g荷叶、0.25 g柠檬酸、45 mL甲酰胺在240℃反应4 h时,FN-CDs荧光值最强.在0～70 μg/mL的胭脂红质量浓度范围内,荧光强度与胭脂红浓度成正比,具有良好线性关系,R2为0.996 4,检出限为0.57 μg/mL.西柚复果汁饮料和杨梅罐头加标回收率分别为88.09%～102.49%,...
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| Published in | 食品与机械 Vol. 40; no. 11; pp. 54 - 60 |
|---|---|
| Main Authors | , , , , |
| Format | Journal Article |
| Language | Chinese |
| Published |
贵州中医药大学药食两用资源研究与开发中心,贵州 贵阳 550025
01.09.2024
贵州中医药大学药学院,贵州 贵阳 550025%贵州中医药大学药学院,贵州 贵阳 550025 |
| Subjects | |
| Online Access | Get full text |
| ISSN | 1003-5788 |
| DOI | 10.13652/j.spjx.1003.5788.2024.80411 |
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| Abstract | [目的]建立一种简便、快速、高效、灵敏的胭脂红检测方法.[方法]以荷叶为碳源,采用溶剂热法制备碳点(FN-CDs),通过单因素试验优化制备条件;研究影响FN-CDs荧光强度的因素、共存物对检测体系的影响,优化测定条件;将FN-CDs用于食品中胭脂红含量测定并探究其作用机理.[结果]以 0.6 g荷叶、0.25 g柠檬酸、45 mL甲酰胺在240℃反应4 h时,FN-CDs荧光值最强.在0～70 μg/mL的胭脂红质量浓度范围内,荧光强度与胭脂红浓度成正比,具有良好线性关系,R2为0.996 4,检出限为0.57 μg/mL.西柚复果汁饮料和杨梅罐头加标回收率分别为88.09%～102.49%,97.73%～112.47%.[结论]该检测方法具备灵敏度高、选择性好、准确度高等特点,可应用于食品中胭脂红的快速检测. |
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| AbstractList | [目的]建立一种简便、快速、高效、灵敏的胭脂红检测方法.[方法]以荷叶为碳源,采用溶剂热法制备碳点(FN-CDs),通过单因素试验优化制备条件;研究影响FN-CDs荧光强度的因素、共存物对检测体系的影响,优化测定条件;将FN-CDs用于食品中胭脂红含量测定并探究其作用机理.[结果]以 0.6 g荷叶、0.25 g柠檬酸、45 mL甲酰胺在240℃反应4 h时,FN-CDs荧光值最强.在0～70 μg/mL的胭脂红质量浓度范围内,荧光强度与胭脂红浓度成正比,具有良好线性关系,R2为0.996 4,检出限为0.57 μg/mL.西柚复果汁饮料和杨梅罐头加标回收率分别为88.09%～102.49%,97.73%～112.47%.[结论]该检测方法具备灵敏度高、选择性好、准确度高等特点,可应用于食品中胭脂红的快速检测. |
| Abstract_FL | [Objective]To establish a fast,sensitive,and accurate method for detecting carmine.[Methods]Using Folium Nelumbinis;as the carbon source,carbon dots(FN-CDs)were prepared using a solvent thermal method,and the preparation conditions were optimized using a single factor test.Study the factors that affect the fluorescence intensity of FN-CDs,the effects of coexisting substances on the detection system,and optimize the measurement conditions;Using FN-CDs for the determination of carmine content in food and exploring its mechanism of action.[Results]Using 0.6 g of Folium Nelumbinis,0.25 g of citric acid and 45 mL of formamide were reacted at 240℃for 4 hours,and the fluorescence value of FN-CDs was the strongest.Rouge had a good linear relationship within the concentration range of 0～70 μg/mL,with an R2 of 0.996 4 and a detection limit of 0.57 μg/mL.The spiked recovery rates of grapefruit juice beverage and canned arbutu were 88.09%～102.49%and 97.73%～112.47%,respectively.[Conclusion]This detection method has the characteristics of high sensitivity,good selectivity and high accuracy,and can be applied to the rapid detection of carmine in food. |
| Author | 冯向欣 胡成娜 李嘉欣 何莉 俸婷婷 |
| AuthorAffiliation | 贵州中医药大学药学院,贵州 贵阳 550025%贵州中医药大学药学院,贵州 贵阳 550025;贵州中医药大学药食两用资源研究与开发中心,贵州 贵阳 550025 |
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| Author_FL | FENG Tinging HU Chengna LI Jiaxin HE Li FENG Xiangxin |
| Author_FL_xml | – sequence: 1 fullname: HE Li – sequence: 2 fullname: LI Jiaxin – sequence: 3 fullname: HU Chengna – sequence: 4 fullname: FENG Xiangxin – sequence: 5 fullname: FENG Tinging |
| Author_xml | – sequence: 1 fullname: 何莉 – sequence: 2 fullname: 李嘉欣 – sequence: 3 fullname: 胡成娜 – sequence: 4 fullname: 冯向欣 – sequence: 5 fullname: 俸婷婷 |
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| Keywords | carbon dots 溶剂热法 Folium nelumbinis fluorescence quenching 荧光猝灭 solvothermal method 碳点 胭脂红 荷叶 carmine |
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| Publisher | 贵州中医药大学药食两用资源研究与开发中心,贵州 贵阳 550025 贵州中医药大学药学院,贵州 贵阳 550025%贵州中医药大学药学院,贵州 贵阳 550025 |
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