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- diacetyl verrucarol 二乙酰疣衣菌醇
- 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。
- 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。
- 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。
- 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。
- 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。
- Often used in combination with Diacetyl and certain Diketones (Hexane-,Pentanedione). 详细描述： 名称：甲基乙酰甲醇，乙偶姻;3-羟基-2-丁酮;醋嗡.
- We discuss the causees in this paper and suggest some measures to control the reversion of diacetyl value. 本文就产生这种现象的原因进行了论述,提出了几点控制双乙酰反弹的措施。
- Mutagenesis - selection of Saccharomyces cerevisiae which have the better ability of reducing diacetyl by protoplast mutagenization with UV. 原生质体紫外诱变筛选还原双乙酰能力强的啤酒酵母。
- The organism Lactococcus lactis subsp, diacetilactis converts milk citrate to diacetyl, which gives a special buttery flavor to the finished product. 乳链球菌丁二酮亚种能将乳中的柠檬酸盐转化成丁二酮,该物质会使终产品具有一种特殊的奶油香味。
- The chroma,the total nitrogen,the total acid,pH,alcoholicity,diacetyl and CO2 of the product beer were close to that of Zhujiang beer. 总氮、色度、pH、总酸、酒精度、双乙酰、CO2与所测的珠江啤酒的指标接近。
- The nano-polyaniline was synthesized through the chemical oxidation method in an aqueous solution of acetone or diacetyl,separately. 在丙酮、丁二酮水溶液中采用化学氧化法合成纳米聚苯胺,并研究有机溶剂的含量对纳米聚苯胺导电性能的影响。
- Diacetyl is an important byproduct of the fermentation of beer.The content of diacetyl is the most important index to judge the maturation of beer. 双乙酰(2,3-丁二酮)是啤酒发酵过程中产生的重要副产物,双乙酰的含量是衡量啤酒成熟的最重要指标。
- The measuring methods for diacetyl content in beer including EBC method,GC method and chemical radiation method were optimized and compared. 对EBC法、气相色谱法和化学发光法测定啤酒中的双乙酰含量进行了优化和比较。
- Butanedione (diacetyl) is an important aroma chemical with strong butter flavor.In traditional method, 2, 3-Butanedione is produced via synthetic way. 摘要2，3-丁二酮又称双乙酰，是一种黄色至浅绿色具有强烈奶油香味的重要香料。
