Secondary contamination of lactobacillus would evidently increase the content of isoamyl alcohol and ethyl caprylate and decrease the content of ethyl aldehyde (lower than that in normal beer).
乳酸菌的二次污染使啤酒中异戊醇、辛酸乙酯显著升高,使乙醛含量明显低于正常的啤酒。
The 30 main compounds are bornyl acetate , salicylic aldehyde, diethyl malonate, ethyl linolenate, etc, which amount to 76.95 % content of the oil.
主香成分为乙酸龙脑酯、水杨醛、丙二酸二乙酯、亚麻酸乙酯等30个化合物,占芳香油总量的76 95 %。
Three-tower continuous distillation process of ethyl acetate from aldehyde condensation and purification by gas-phase oxidation of acetic acid and ethylene were also discussed.
加恒沸剂共沸蒸馏和乙酸萃取反应精馏过程。乙醛缩合法生产乙酸乙酯的三塔连续精馏过程以及乙烯与乙酸气相催化反应的加水精制工艺过程。
Three-tower continuous distillation process of ethyl acetate from aldehyde condensation and purification by gas-phase oxidation of acetic acid and ethylene were also discussed.
加恒沸剂共沸蒸馏和乙酸萃取反应精馏过程。乙醛缩合法生产乙酸乙酯的三塔连续精馏过程以及乙烯与乙酸气相催化反应的加水精制工艺过程。
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