Advances in production of 5-hydroxymethylfurfural from glucose [PDF]
, 2011 5-羟甲基糠醛(5-HMf)是一种重要的平台化合物,具有非常广泛的应用价值和市场前景。葡萄糖的选择性脱水是制备5-HMf的主要方法之一,也是碳水化合物降解研究中的重点和难点,现在已经受到了人们越来越广泛的重视。本文综述了近年来葡萄糖制备5-HMf的研究成果,着重介绍了5-HMf的形成机理以及制备5-HMf的催化体系与溶剂体系,并对葡萄糖制备5-HMf的研究前景进行了展望,以期为5-HMf的进一步研究提供思路和参考。5-Hydroxymethylfurfural(5-HMF)is a kind of ...
孙勇, 林鹿, 胡磊
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Effect of Pretreatment Combined with Hot Air Drying on Flavour Substances in Saimaiti Cut Apricots Based on GC-IMS [PDF]
The effects of color-preserving pretreatments (hot water blanching, steam blanching, microwave treatment, and sulfite soak) and hot air drying temperatures (40, 50, 60 °C) on the flavor compounds of half-cut and destoned fresh Saimaiti apricot and dried ...
Chunping CHENG +4 more
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Shuitu Baochi Xuebao, 2008 以土壤、水泥、沙子、秸秆、草炭、纤维素、锯末、糠醛渣、保水剂、控施肥和速效肥为基本原料,按不同比例配制成3种生态护坡基质,探讨了其中微生物的种类和数量以及随时间的动态变化。结果表明:3种生态护坡基质中细菌、放线菌、真菌数量依次为109,108~109,106cfu/g数量级,分别比对照土壤高101,101~102,101个数量级;随时间变化,3种生态护坡基质中细菌数量起初有所下降,之后逐渐增加,最后呈稳定状态,其变化趋势与微生物总数一致,放线菌数量逐渐增加,并对微生物总数贡献提高,而真菌数量逐渐减少 ...
孙其远 +4 more
doaj
[Influence of ethanol content on the detection of volatile components in Huangjiu]. [PDF]
Se Pu, 2023 Hu J, Huang YY, Liu SP, Mao J.
europepmc +1 more source
Studies on Oxidative Esterification of Aldehyde (Alcohol) and Selective Oxidation of 5-Hydroxymethylfurfural over Supported Gold and Gold-Palladium Alloy Catalysts [PDF]
, 2014 本论文以重要的生物质基平台化合物5-羟甲基糠醛（HMF）的选择氧化制2,5-呋喃二甲酸（FDCA）和甲基丙烯醛（MAL）的一步氧化酯化制甲基丙烯酸甲酯（MMA）为目标，针对选择氧化和氧化酯化中选择性的控制这一关键科学问题，系统研究了碳纳米管负载金钯合金催化剂上HMF氧化制FDCA催化性能及氧化镁负载的金催化剂上MAL氧化酯化制MMA的催化性能。 论文针对HMF选择氧化制FDCA的研究，比较了不同载体负载Au-Pd合金催化剂的反应性能。结果显示，Au-Pd/CNT催化剂催化性能优异，HMF转化率为100%，
万晓月
core
[Recent developments in the application of covalent organic frameworks in capillary electrochromatography]. [PDF]
Se Pu, 2023 Wang GX +4 more
europepmc +1 more source
The Application of Capillary Electrophoresis on the Food and Biological Analysis [PDF]
, 2009 毛细管电泳(CapillaryElectrophoresis，CE)由于其具有样品处理简单、分离速 度快、试剂消耗少、自动化程度高及检出限低等优点，而被广泛应用于生物、医 药、化工、环境等领域。本论文采用毛细管电泳技术分离分析牛奶样品中的三聚 氰胺和5-羟甲基糠醛(HMF)；采用液相微萃取(LLLME)与毛细管电泳联用技术检 测尿样中的5-羟色胺(5-HT)，并对实际样品进行了较为系统的应用性研究。主要 内容如下： 第一章就毛细管电泳技术的发展史、基本原理、分离模式、检测技术及其在 ...
陈志军
core
Rice bran oil supplementation protects swine weanlings against diarrhea and lipopolysaccharide challenge. [PDF]
J Zhejiang Univ Sci B, 2023 Huang J +9 more
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Aroma components and sensory evaluation of Pixian Douban sauce [PDF]
Objective: This study aimed to explore the aroma differences of Pixian bean paste from different brands and establish an analytical method for quality evaluation and quality control methods in Douban Sauce, based on solid-phase microextraction (SPME) and
CHEN Jing +3 more
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[Investigation of the chemical components of Ciwujia injection using ultra-high performance liquid chromatography-quadrupole-electrostatic field orbitrap high-resolution mass spectrometry]. [PDF]
Se Pu, 2023 Yu WY +8 more
europepmc +1 more source