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理学—有机化学: 作品数：102929被引量：171690H指数：65; 导出分析报告; 相关作者：俞善信赵玉芬尹汉东史达清魏太保更多>>; 相关机构：中国科学院南开大学兰州大学浙江大学更多>>; 发文主题：有机化学催化衍生物N-晶体结构更多>>; 相关期刊：更多>>; 发文基金：国家自然科学基金国家重点基础研究发展计划国家教育部博士点基金广东省自然科学基金更多>>

Identification of markers of saccharides in Polygonati rhizoma during the steaming process by MALDI-Q-TOF mass spectrometry imaging: 《Food Science and Human Wellness》2025年第4期1441-1448,共8页Chuang Liu Juan Chen Jia Lao You Qin Ziling Wang Zhenni Xie Wei He Can Zhong Shuihan Zhang Jian Jin; funded by the Science and Technology Innovation Program of Hunan Province(2022RC1224,2022ZYC010);the Changsha Science and Technology Program(kh2004018);the Training Program for Excellent Young Innovators of Changsha(kq2206064)。; Polygonati rhizoma is often used in Chinese medicine and as food.In this study,atmospheric pressure matrixassisted laser desorption ionization and quadruple-time-of-flight(MALDI-Q-TOF)mass spectrometry techniques were...; 关键词：Polygonati rhizome Mass spectrometry imaging Saccharides Process by steaming Marker

Keemun black tea stems and leaves:comparison of chemical characterization and anti-inflammatory activities: 《Food Science and Human Wellness》2025年第4期1546-1556,共11页Mengting Zhu Xiaoqing Rong Mingchun Wen Piaopiao Long Zongde Jiang Wen Xu Daniel Granato Liang Zhang; supported by the Natural Science Foundation of China(32122079,32072633);Earmarked Fund for China Agriculture Research System(CARS-19);Anhui Key Research and Development Plan(202104b11020001);Young Elite Scientist Sponsorship Program by National CAST(2016QNRC001);High-level Introduced Talent Sponsorship Program by Anhui Agricultural University(rc352203)。; This work aims to compare the chemical composition and anti-inflammatory effects on RAW264.7 macrophages of Keemun black tea stems and leaves.A total of 50 volatile compounds were identified in tea stems and leaves,an...; 关键词：Black tea stems Volatile compounds Non-volatile compounds Anti-inflammatory activities CYTOKINES

Structural characterization of blueberry fruit polysaccharides and assessment of its hypolipidemic and immunological activity: 《Food Science and Human Wellness》2025年第4期1360-1368,共9页Chuyan Wang Yuqi Qin Xiaoao Cui Dongsheng Wang Yexian Hu Liuqing Yang Wei Lan; financial support received from the Anhui Provincial Excellent Scientific Research and Innovation Team(2023AH010050);the Key Research and Development Plan of Anhui Province(202204c06020013,202204c06020029);the“Biology and Medicine”key subject of Hefei University(2023xk05);the open research project of Anhui Ecological Fermentation Engineering Research Center for Functional Fruit Beverage(FSKFKT015)。; In this study,polysaccharides were extracted from blueberry fruit(BFP)and isolated to 3 components(BFP-1,BFP-2 and BFP-3).The molecular weight,monosaccharide composition,characteristic groups,microscopic morphology,an...; 关键词：Blueberry fruit polysaccharides Structural characterization HYPOLIPIDEMIC Immunological activity

扎那米韦类衍生物的分子对接、3D-QSAR和分子设计研究: 《四川师范大学学报(自然科学版)》2025年第3期367-374,共8页施建成赵丹; 广西自然科学基金(2013GXNSFAA019019)。; 探讨扎那米韦类衍生物对禽流感病毒神经氨酸酶(NA)的抑制作用,为新的NA抑制剂的研发和设计提供有用的结构信息,进而对流感病毒的新药研发产生一定的积极意义.首先,选取22个扎那米韦类的合成化合物为配体,与PDB(protein data bank)数据...; 关键词：扎那米韦衍生物神经氨酸酶抑制剂分子对接 3D-QSAR 分子设计

二乙基三胺五乙酸催化CO_(2)与环氧化物耦合反应研究: 《中南民族大学学报(自然科学版)》2025年第3期289-294,共6页原雪芯周棋棋陈宇杨海健; 国家自然科学基金资助项目(51073175);中南民族大学创新团队基金资助项目(XTZ24016)。; 采用价廉易得的二乙基三胺五乙酸(DTPA)作为催化剂,四丁基溴化铵(TBAB)为助催化剂,在无溶剂条件下,高效率地催化CO_(2)与环氧丙烷的耦合反应,高选择性地生成环状碳酸酯.通过对反应条件的系统研究,得到最佳反应条件为:1%DTPA(摩尔比,相...; 关键词：CO_(2)催化转化二乙基三胺五乙酸环状碳酸酯

镍催化2-氟吡啶参与的Suzuki偶联反应: 《中南民族大学学报(自然科学版)》2025年第3期295-300,共6页王子安殷春雨梅佳彤张华; 国家自然科学基金资助项目(22271313,21602096)。; 报道了一例镍催化2-氟吡啶化合物与芳基硼酸的Suzuki偶联反应,实现了2-芳基吡啶化合物的高效合成.该方法反应条件简单、原料易得、产率和官能团普适性良好,不同官能团取代的2-氟吡啶和芳基硼酸都易于发生反应得到2-芳基吡啶化合物.基于...; 关键词：镍催化 2-氟吡啶 SUZUKI偶联 2-芳基吡啶

基于改进STAM的语音端点检测算法: 《中南民族大学学报(自然科学版)》2025年第3期384-392,共9页吴荣波周斌胡波; 中南民族大学中央高校基本科研业务费专项资金资助(CZY23006);湖北省技术创新专项基金资助项目(2019ADC071)。; 在低信噪比的背景下,由于背景噪声干扰信号特征,存在语言端点检测误判和漏判的风险.现有的解决方法存在易受干扰、精度有限、鲁棒性差等问题.针对上述问题,对STAM进行优化,提出了一种改进的语音端点检测算法Inception-ResNet STAM(IR-ST...; 关键词：低信噪比 Inception-ResNet模块音频指纹特征语音端点检测

Inhibitory mechanism of flavonoids on dietary advanced glycation end products formation in food models: 《Food and Health》2025年第2期35-38,共4页Meng-Yao Jin He Li; financially supported by the National Natural Science Foundation of China(Grant No.32472468 and No.32001817);the Fundamental Research Program of Shanxi Province(202303021221123).; Advanced glycation end products(AGEs)are complex compounds formed through interaction of carbonyl groups from saccharides with amino groups in amino acids,proteins,lipids and nucleic acids,mainly via Maillard reaction...; 关键词：flavonoid compounds advanced glycation end-products inhibitory mechanism reactive carbonyl species

Phenolic compounds from Moringa oleifera Lam.:extraction,separation and identification,biological activities,and comprehensive applications: 《Food Science and Human Wellness》2025年第3期806-821,共16页Liang Tao Zilin Wang Min Yang Xinrui Kang Jiahe Dai Cunchao Zhao Tianyi Dai Jun Sheng Yang Tian; supported by Major Project of Science and Technology Department of Yunnan Province(202002AA100005,202102AE090027-2);National Natural Science Foundation of China(82260703);Cassava Industrial Technology System of China(CARS11-YNTY);Yunnan Province Ten Thousand Plan Industrial Technology Talents Project(YNWR-CYJS-2020-010)。; Moringa oleifera Lam.is a Moringa genus in the Moringaceae family that is high in nutrients and has a wide range of applications.Phenolic compounds are widely found in plants and have various health benefits for the h...; 关键词：Moringa oleifera Lam. Phenolic compounds Structural characteristics Biological activities Comprehensive applications

Metabolic mechanism of dietary factors and effect of dietary types associated with hyperuricemia:a review: 《Food Science and Human Wellness》2025年第3期835-849,共15页Kaina Qiao Xuewei Zhou Lili Zhang Wangang Zhang Baoguo Sun Yuyu Zhang; supported by the National Natural Science Foundation of China(No.32122069);Beijing Outstanding Young Scientist Program(No.BJJWZYJH01201910011025);China Postdoctoral Science Foundation(No.2023M730134)。; Globally,hyperuricemia is a growing health,social,and economic problem which could cause gout,chronic kidney diseases and other diseases.There are increasing evidences that a sensible diet makes sense to reduce the ri...; 关键词：PURINE Metabolic mechanism Dietary types HYPERURICEMIA Personalized diet

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