高级醇

  • 网络higher alcohol;high alcohol
高级醇高级醇
  1. 研究了发酵过程中酵母菌的接种量、发酵温度、发酵pH值、发酵液中α-氨基氮含量等因素对高级醇生成的影响,并利用单因子和正交试验优化发酵工艺。

    The researched factors the impact of higher alcohols formation of yeast , included inoculation , temperature , pH of the fermentation and a-amino nitrogen content in the fermentation . Meanwhile use a single and orthogonal experiments to optimize the fermentation process .

  2. 以TBA值、DPPH清除量和高级醇为自变量,老化口感分数为因变量,进行线性回归分析。

    A linear regression is then carried out , with TBA value ( TBA ), DPPH scavenging amount ( DPPH ) and higher alcohols ( HA ) as independent variables and sensory test score as dependent variable .

  3. 麦汁的缓冲容量对啤酒中高级醇浓度有较大的影响,可以通过控制麦汁的缓冲容量来实现对发酵过程pH的控制。

    The pH value of beer could be controlled by controlling the buffer capacity of wort during fermentation .

  4. 国内外C(16-18)及大于C(18)高级醇的开发应用

    Situation of the Development and Application of C _ ( 16 ~ 18 ) and Above C _ ( 18 ) Higher Aleohols At Home and Abroad

  5. Zr(SO4)2在甲基丙烯酸与高级醇酯化反应中的催化作用

    Catalytic for of Zr ( SO_4 ) _2 and SO_4 ~ ( 2 - ) / ZrO_2 in Methacrylic Acid Esterification with Higher Alcohol

  6. 本文用GC/MS/SID技术对20份蒸馏酒中甲醇和高级醇的含量进行测定,这些数据与GC方法作了比较。

    In this paper , GC / MS / SID quantitative-technique for determining methyl-alcohol and higher alcohol in twenty distilled beverages has been described . These data have been compared with those ones obtained from GC method .

  7. 以高级醇的产生量为指标对酵母SYS2000的发酵条件进行了三因素三水平的优化实验,确定最佳的发酵条件为发酵温度:16℃,接种浓度:1×107个/ml,果汁原始pH。

    The higher alcohol concentrations as the criterion , orthogonal experiments were carried out at three different factors and levels , and the result indicated that the best fermentation condition is fermentation temperature 16 ℃, inoculation concentration 1 × 107cell / ml and natural juice pH.

  8. 3,8-二(1-乙酰氧乙基)次卟啉IX二甲酯与醇或酚(高级醇及酚以THF为溶剂)在50℃反应,然后加碱水解,制备血卟啉醚类化合物。

    The reaction of 3,8 di ( 1 acetoxyethyl ) deuteroporphyrin ⅸ dimethyl ester ( DADPDE ) with alcohol or phenol produced hematoporphyrin ( HP ) ethers , a new type of photosensitizers .

  9. 在酒液自然pH值、室温条件下,添加5%(w/v)树脂,振荡40min,高级醇去除率可达到62.8%;

    Its application could achieve 62.8 % higher alcohols removal rate under the conditions including natural liquor pH , room temperature , addition of 5 % ( w / v ) resin and 40 min shaking .

  10. 风味物质结果显示:本课题建立的静态顶空-气相色谱法(SHS-GC)专属性和精密度良好、快速准确,可用于啤酒中三种高级醇和四种挥发性酯检测。

    The static headspace gas chromatography ( SHS-GC ) method which we established is of-high specificity , excellent spiking recovery and precision . And it is easy to use for determining three kinds of alcohols and four kinds of volatile esters in beer samples .

  11. 高级醇含量对啤酒风味影响的研究

    Study on the Effect of Higher Ethanol Content on Beer Flavor

  12. (甲基)丙烯酸高级醇酯的合成及其应用

    Synthesis of Higher Alkyl ( Meth ) Acrylates and its Applications

  13. 酯交换反应合成不饱和酸高级醇酯的研究

    Synthesis of Higher Alcohol Ester of Unsaturated Acid Throught Ester-exchange Reaction

  14. 双乙酰和高级醇是啤酒发酵中最重要的风味物质。

    Diacetyl and higher alcohols are important component of beer favor .

  15. 高级醇的生成途径有降解代谢和合成代谢两种。

    The formation approaches of higher alcohols include degradation metabolism and anabolism .

  16. 苹果酒酿造过程中高级醇的生成控制

    Studies on Formation of Higher Alcohol during of Cider Fermentation

  17. 不同发酵条件对金丝小枣酒酿造过程中高级醇生成的影响

    Effect of different formation conditions on higher alcohols during jujube wine formation

  18. 啤酒酵母代谢副产物高级醇的影响因素研究进展

    Research Progress in Influencing Factors of Higher Alcohols-Metabolic By-product of Beer Yeast

  19. 树脂降低黄酒高级醇含量的研究

    Using Resin to Remove Higher Alcohols in Chinese Rice Wine

  20. 苹果酒酿造工艺及高级醇的气相色谱分析

    Cider Brewing Technology and GC Analysis of High Alcohol

  21. 啤酒酿造过程中的高级醇

    The Higher Alcohols in the Process of Beer Brewing

  22. 高级醇对啤酒风味的影响及其在啤酒生产中的控制措施

    Effect of Higher Alcohols on Beer Flavors and Content Control during Beer Brewing

  23. 紫外诱变筛选低高级醇和双乙酰含量的啤酒酵母

    Screening of low higher-alcohols and diacetyl producing Saccharomyces cerevisiae strain with ultraviolet mutagenesis

  24. 啤酒中高级醇的产生及控制办法

    Producing and Controlling of Senior Alcohol in Beer Production

  25. 控制啤酒中高级醇含量的研究

    Study on controlling content of higher alcohols in beer

  26. 龙眼酒发酵过程中高级醇的研究

    Study on the higher alcohols of the longan wine

  27. 啤酒酿造过程高级醇形成的控制

    Control of Formation of Higher Alcohols in Beer Brewing

  28. 树脂吸附法降低酒中高级醇的工艺研究

    Study on the Application of Resin Absorption Technique to Reduce Higher Alcohols in Liquor

  29. 乳清酒中高级醇的检测与控制

    Determination and Control of Higher Alcohols in Milone

  30. 应用单离子检测法测定酒中甲醇和高级醇含量

    Determination of Methyl - Alcohol and Higher Alcohol in Beverage by Selective Ion Monitoring