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- Keywords Leuconostoc strains;citrate metabolism;diacetyl formation;dextran;diacetyl reductase;lactic dehydrogenase (LDH);physiological properties; 明串珠菌菌株;柠檬酸代谢;双乙酰;葡聚糖;双乙酰还原酶;乳酸脱氢酶;生理特性;
- diacetyl reductase 二乙酰还原酶
- Nitrate reductase is a short-lived enzyme. 硝酸还原酶是短寿酶。
- Diacetyl is an important matter affecting the flavor of beer . 双乙酰是影响啤酒风味的重要物质。
- GSSG is then reduced back to GSH by the action of GSH reductase. 其后经由谷胱甘肽还原酶的作用,氧化型谷胱甘肽被还原回氧化型谷胱甘肽。
- Objective:To synthesize the aldose reductase inhibitor fidarestat. 目的:合成醛糖还原酶抑制剂非达司他。
- Diacetyl is one of the important indices in beer quality management. 双乙酰是啤酒品质管理的重要指标之一。
- Diacetyl is also an important effect substance on the flavour of beer. 双乙酰也是影响啤酒风味的重要原因之一。
- Effects of a-naphthol on the glutathione and its reductase in Chlorella. a-萘酚对小球藻谷胱甘肽及其还原酶的影响。
- Here again, GSH reductase reconstitute oxidized GSH to its functional status. 同样的,谷胱甘肽还原酶重组氧化型谷胱甘肽恢复其功能。
- The hydrosulfite in beer would cause deviation of the determination of diacetyl content in beer by EBC method. 使用邻苯二胺(EBC法)测定啤酒中双乙酰含量时,啤酒中存在的亚硫酸氢盐会影响测定结果的准确性。
- We study the affection for the EBC method determination of diacetyl in beer of all kinds of coefficiant of variation and obtain valuable results. 研究各种操作条件对EBC分析法测定啤酒中双乙酰的影响,得到了较有价值的结果。
- The activities of DASA reductase were increased by ammonium nutrition, but not significantly. 铵态氮不显著提高DAsA还原酶的活性。
- Diacetyl(DA) is one of the most common off-flavors in beer fermentation, affects the quality of beer. 双乙酰(diacetyl)是啤酒发酵中的不良风味物质,产生令人不愉快的反应,可以缩短啤酒熟化周期,提高生产效率,对啤酒工业来说极有经济价值。
- Ethyl nitrite and 2-butanone are condensed to give diacetyl monooxime,which canbe hydrolysed to form diacetyl. 本文用亚硝酸乙酯与2-丁酮缩合制备双乙酰-肟。
- Main fermentation time including diacetyl reduction lasts 3-5 days and storage time 1-3 weeks. 主发酵时间3-5天(包括双乙酰还原),后熟时间1-3周。
- A rapid and reliable analytical method for the detection of diacetyl and other vicinal Diketones in beer was described. 该文介绍了一种快捷、可靠的测定啤酒中双乙酰含量的分析法。
- Effect of different stress on roots activity and nitrate reductase activity in Zea mays L. 不同逆境对玉米幼苗根系活力及硝酸还原酶活性的影响。
- In this paper, the progress of study on the formation mechanism and metabolic control of diacetyl was reviewed briefly. 本文简要综述了啤酒生产中双乙酰的形成机制和代谢调控研究进展。
- The performance of Nitrate Reductase Activity(NRA) in plant leaf reflects the status of nitrogen metabolism. 硝酸还原酶活性高低可反映植株营养状况和氮素代谢水平。