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- Theanine synthetase 茶氨酸合成酶
- Theanine is a peculiar amino acid in green tea. 茶氨酸是绿茶中特有的一种氨基酸。
- Theanine is found in green, black and oolong teas. 绿茶、红茶和乌龙茶都含茶氨酸。
- High purity theanine could be produced through re-cryst... 通过重结晶可得到纯度90%25的茶氨酸;得率为0.;8%25。
- This complex reaction is catalyzed by anthranilate synthetase. 这个复合反应是被邻氨基苯甲酸合成酶催化的。
- Theanine is a kind of special AA which is vital to tea s quality. 茶氨酸是茶叶中的一种特殊的氨基酸,对于茶叶品质的形成有重要的意义。
- So, the biosynthesis of theanine is getting more and more attention. 利用其这一特性,可以催化合成谷胱甘肽和茶氨酸。
- Objectives:To clone and express the S-adenosyl-L-methionine synthetase gene. 目的:克隆与表达大肠杆菌S-腺苷甲硫氨酸合成酶的基因。
- Extraction yield and purity of theanine were 0.94% and 85.43%,respectively. 研究结果表明:该工艺能很好地脱除咖啡因;提取的茶氨酸纯度达85.;43%25;提取率为0
- Theanine is related to glutamine, and can cross the blood-brain barrier. 茶氨酸一方面可作为营养强化剂用于食品,另一方面,茶氨酸的医疗功效已经得到证明,具有抗癌、抗肿瘤、降低血压、安神、促进大脑功能和神经生长等医疗保健功效,因此可以用作功能性食品的添加剂。
- The extraction and purification of S-adenosylmethionine synthetase from yeast were investigated in this paper. 方法:研究了腺苷甲硫氨酸合成酶的提取和纯化。
- Abstract: Glutamine synthetase(GS)is the key enzyme in the assimilation of ammonium in higer plants. 摘 要: 谷氨酰胺合成酶(GS)是参与高等植物氮同化过程的关键酶。
- Study subjects were better able to focus after drinking tea, he said, because theanine lowered alpha wave activity. 他说,受试者在喝了茶之后比较能够专心,因为茶胺酸降低了阿尔法波的活动力。
- Objective To explore the effect of sildenafil on NO and NO synthetase (NOS) after physical exercise at high altitude. 摘要目的探讨西地那非对高原人体运动一氧化氮(NO)及其合酶(NOS)的影响。
- Therefore, our study had a profound value for the instruction of producing theanine via bioconversion. 本实验对于生物转化法工业化生产茶氨酸等方面的工作具有较好的指导作用和实际价值。
- Aim:To research the activity and significance of Nitric Oxide Synthetase (NOS) in the patients with viral hepatitis. 目的:探讨NOS在病毒性肝炎患者肝组织中的活性及意义。
- Paradoxically, theanine acts synergistically with caffeine to produce the calming effect. 而矛盾的是,茶胺酸会与咖啡因协同作用,产生镇静的效果。
- Object To establish an isolation method of theanine reference substance by preparative HPLC. 目的研究制备型高效液相色谱分离纯化茶氨酸对照品的方法。
- It is very difficult and more expensive to extract a high purity theanine directly from tea leaves. 在大肠杆菌中,此酶在自身信号肽的介导下被转运至周质空间中发挥其生理作用。
- The theanine could also extend the time of memory so as to significantly lessen themistakes. 可延长记忆获得障碍小鼠在跳台中首次错误的出现时间,减少错误次数。