1)theanine['θi:?nin]茶氨酸
1.Study on theanine biosynthesis in tea cell suspension culture;大规模茶叶细胞悬浮培养茶氨酸合成工艺优化研究
2.Effects of Different Culture Conditions on Cell Growth and Theanine Biosynthesis in Suspension Cells of Camellia sinensis (Theaceae);不同培养条件对悬浮培养茶叶细胞生长及茶氨酸合成的影响
3.Fast determination of theanine by HPLC;茶氨酸的HPLC快速检测
英文短句/例句
1.Study on method to pick-up the theanine in tea茶叶中茶氨酸超声波提取方法的研究
2.Determination of Theanine in Tea by High Performance Liquid Chromatography-Atmospheric Pressure Chemical Ionization Mass SpectrometryHPLC-APCI-MS法测定茶叶中的茶氨酸
3.Use of Charge-transfer Complexation for Spectrophotometric Determination of Theanine Contents in Tea and Tea Beverage荷移光度法测定茶及茶饮料中茶氨酸含量
4.Synthesis of L-theanine via Ni(Ⅱ) complex of glutamic acid's Schiff base谷氨酸席夫碱Ni(Ⅱ)配合物法合成L-茶氨酸
5.Determination of Theanine and Theanine Synthetase by Capillary Electrophoresis and Enzymatic Analysis;茶氨酸和茶氨酸合成酶活性的毛细管电泳检测及酶学研究
6.Studies on the Hairy Roots Culture in Tea Plant and Which Bio-synthesize Theanine;茶树毛状根培养及其生物合成茶氨酸的研究
7.Studies of Distribution and Variation of Theanine in Tea Trees;茶氨酸在茶树体内的分布规律和年变化的研究
8.Optimization of theanine biosynthesis catalyzed by glutamine synthetase谷氨酰胺合成酶催化合成茶氨酸条件的优化
9.Theanine affects sedative effect of pentobarbital sodium in ICR mice茶氨酸对戊巴比妥钠镇静作用的影响
10.Determination of tea polyphenols, caffeine and L-theanine in commercially available tea drinks市售茶饮料中茶多酚、咖啡因以及茶氨酸的含量分析
11.Studies of Modern Isolation and Preparation Technology on Catechins Monocase and High-pure Theanine;儿茶素单体及高纯茶氨酸现代分离制备技术的研究
12.THE SYNTHESES AND CHARACTERIZATION OF La(Ⅲ),Pr(Ⅲ)AND Nd(Ⅲ)COMPLEXES WITH THEANINE茶氨酸镧（Ⅲ）、镨（Ⅲ）和钕（Ⅲ）配合物的合成及表征
13.Separation and Quantitation of Theanine Enantiomer by High Performance Liquid Chromatography;茶氨酸对映体的高效液相色谱拆分与定量
14.Screening of Microbe Which Synthesize Theanine as a Catalyst and the Construction of Recombinant Strain;催化合成茶氨酸的菌株筛选与重组菌的构建
15.Determination of γ-aminobutyric Acid and L-glutamic Acid in Tea by HPLC茶叶中γ-氨基丁酸与L-谷氨酸的HPLC分析方法
16.Lingyun Baekho tea with caffeine 4.91%, 3.63% amino acids, tea polyphenols 35.6%.凌云白毫茶含咖啡碱4.91%,氨基酸3.63%，茶多酚35.6%。
17.Study on the Activity of Glutamic Acid Dicarboxylase and the Accumulation γ-Aminobutyric Acid in White Tea白茶GAD活性及γ-氨基丁酸白茶加工技术研究
18.Molecular clone and sequence analysis of phenylalanine ammonia lyase gene from Camellia oleifera油茶苯丙氨酸解氨酶基因的cDNA克隆与序列分析
相关短句/例句
L-theanine茶氨酸
1.Enzymatic synthesis of L-theanine using copper(Ⅱ)-L-glutamine complexes as donor substrate;以L-谷氨酰胺-铜(Ⅱ)配合物为供体酶法制备茶氨酸
2.Determination of tea polyphenols, caffeine and L-theanine in commercially available tea drinks市售茶饮料中茶多酚、咖啡因以及茶氨酸的含量分析
3.L-theanine was prepared from Chinese Tea by ion precipitation.茶叶浸提液分别用1%壳聚糖和D101大孔吸附树脂去杂后,用碱式碳酸铜沉淀得茶氨酸铜盐。
3)L-theanineL-茶氨酸
1.Production of L-theanine by bioconversion with recombinant γ-Glutamyltranspeptidase;生物转化法应用重组谷氨酰转肽酶合成L-茶氨酸
2.Resolution of DL-theanine by Aminoacylase and the Separation of Productions;酶法拆分DL-茶氨酸及其分离纯化
3.A method for determination of L-theanine with HPLC-PDAD in tea;茶叶中L-茶氨酸HPLC-PDAD分析方法的建立
4)L theanineL茶氨酸
5)DL-TheanineDL-茶氨酸
6)theanine in tea茶叶中的茶氨酸
延伸阅读
茶氨酸分子式：C7H12N2O4分子量：188.180CAS号：2490-97-3性质：白色结晶。熔点195-199℃。易溶于水，能溶于乙醇和乙酸乙酯。制备方法：L-γ-谷氨酸经酯化、胺化、乙酰化而得。1.酯化 将甲醇加入干燥的反应罐，搅拌下缓缓加入硫酸。冷至20℃ 以下，,加入L-γ-谷氨酸。待溶解后于20℃ 保温4h，得L-γ-谷氨酸甲酯液。重量配料比为L-γ-谷氨酸:甲醇:硫酸=1：10：0.5。2.胺化 将L-γ-谷氨酸甲酯液冷至0℃，加甲基红作指示剂，通氨至中性。加入三硫碳溶解，继续通氨至饱和。于20℃ 放置4d过滤，滤液减压抽去氨气。加入4N乙酸中和。于60℃ 保温0.5h，减压抽去三硫化碳。残液加二倍甲醇析出沉淀。冷却，过滤，干燥，得粗品。加水使成2%水溶液，流经弱碱性苯乙烯系阴离子交换树脂303×2(704)，收集流出液，减压浓缩。加入甲醇沉淀，过滤，用甲醇，乙醚反复洗涤，干燥得L-γ-谷氨酸酰胺。3.乙酰化 将氢氧化钠溶液(1N)加入反应罐内，冷至0℃ ，搅拌下加入谷氨酰胺，溶解后搅拌1h。同时滴加乙酐和氢氧化钠溶液(2N)，于0-5℃ 放置过液。加6N盐酸至pH1-2，析出结晶。冷却，过滤，用冰冷的无离子不洗到氯根符合要求止，干燥，得乙酰谷氨酰胺。重量配料比为L-γ-谷氨酸酰胺：乙酐(无水)=1：1.1.总收率50%(对L-γ-谷氨酸)。用途：医药。用于脑外伤昏迷，高位性截瘫以及神经系统疾患。也可治疗神经性头痛，腰痛小儿麻痹后遗乙脑后遗症等，与异丙醇铝反应得到乙酰谷酰胺铝，用抗溃疡药。
