本文已被:浏览 348次 下载 381次
投稿时间:2022-09-09
投稿时间:2022-09-09
中文摘要: 基于核磁共振(nuclear magnetic resonance,NMR)技术具有无损检测结构信息的特点,利用宽带探头(broadband observe,BBO)和标准压制水峰脉冲序列zgcpfqpr(zero go composite pulse frequency presaturation),获得两种葡萄酒非目标物质信息,并用标准加入法检定葡萄酒中的甲醇含量,研究结果表明核磁共振可以判断两种葡萄酒中甲醇、糖度、乙酸、乳酸、柠檬酸、琥珀酸、葡萄汁液中脯氨酸等信息。
Abstract:Nuclear magnetic resonance(NMR)was praised for the nondestructive determination of structural information.The broadband observe probe and standard suppressed water peak pulse sequence zgcpfqpr(zero go composite pulse frequency presaturation)were employed to obtain the non-target substances information of two wines.The methanol content of the wines was determined by the method of standard additions.The results showed that NMR can evaluate methanol,brix,acetic acid,lactic acid,citric acid,succinic acid,and proline in grape juice of two wines.
keywords: wine nuclear magnetic resonance hydrogen spectroscopy non-target substances information nondestructive determination method of standard additions
文章编号:202316022 中图分类号: 文献标志码:
基金项目:国家自然科学基金资助项目(21964017);延边大学应用基础项目(延大科合字(2021)第22 号)
Author Name | Affiliation |
JIN Yingjin,YANG Guang,FANG Yingyu,LI Xifeng,WANG Sihong* | Instrumental Analysis Center,Yanbian University,Yanji 133002,Jilin,China |
引用文本: