Silica-supported Heteropoly Acid Catalyst for Newly Developed Ethyl Acetate Production Process

2007 ◽  
pp. 545-546
Author(s):  
Yoshimi Yamamoto ◽  
Shigeru Hatanaka ◽  
Hiroshi Uchida ◽  
Katsuyuki Tsuji
Keyword(s):  
Ethyl Acetate ◽  
Production Process ◽  
Heteropoly Acid ◽  
Acid Catalyst ◽  
Acetate Production

scholarly journals Improving Ethyl Acetate Production in Baijiu Manufacture by Wickerhamomyces anomalus and Saccharomyces cerevisiae Mixed Culture Fermentations

2019 ◽  
Vol 2019 ◽  
pp. 1-11 ◽  
Author(s):  
Guangsen Fan ◽  
Chao Teng ◽  
Dai Xu ◽  
Zhilei Fu ◽  
Pengxiao Liu ◽  
...  
Keyword(s):  
Saccharomyces Cerevisiae ◽  
Ethyl Acetate ◽  
Mixed Culture ◽  
Nutrient Competition ◽  
Acetate Production ◽  
Mixed Fermentation ◽  
Wickerhamomyces Anomalus ◽  
Flavor Perception ◽  
Positive Effect

Ethyl acetate content has strong influence on the style and quality of Baijiu. Therefore, this study investigated the effect of Saccharomyces cerevisiae Y3401 on the production of ethyl acetate by Wickerhamomyces anomalus Y3604. Analysis of cell growth showed that Y3401 influences Y3604 by nutrient competition and inhibition by metabolites, while the effect of Y3604 on Y3401 was mainly competition for nutrients. Mixed fermentation with two yeasts was found to produce more ethyl acetate than a single fermentation. The highest yield of ethyl acetate was 2.99 g/L when the inoculation ratio of Y3401:Y3604 was 1:2. Synergistic fermentation of both yeasts improved ethyl acetate production and increased the content of other flavor compounds in liquid and simulated solid-state fermentation for Baijiu. Saccharomyces cerevisiae had a positive effect on ethyl acetate production in mixed culture and provides opportunities to alter the aroma and flavor perception of Baijiu.

scholarly journals Hydrogenation of Phenol to Cyclohexanone over Bifunctional Pd/C-Heteropoly Acid Catalyst in the Liquid Phase

2019 ◽  
Vol 149 (9) ◽  
pp. 2383-2389 ◽  
Author(s):  
Shiwei Liu ◽  
Jing Han ◽  
Qiong Wu ◽  
Bing Bian ◽  
Lu Li ◽  
...  
Keyword(s):  
Liquid Phase ◽  
Heteropoly Acid ◽  
Acid Catalyst
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