Study on Enzymatic Synthesis of Ethyl Caproate in Organic Medium 有机介质中酶催化合成己酸乙酯的研究
The content of ethyl caproate increased slightly with the increase of flowing tube height. 乳酸乙酯含量随酒度增加而略有下降。
Study on Synthesis of ( N, N-diethylamino) ethyl Caproate in Solvent Free 无溶剂合成N,N-二乙氨基乙醇己酸酯的研究
Gas Chromatography Internal Standard Method for the Uncertainty Evaluation of Ethyl Caproate Content Measurement in Luzhou-flavor Liquor 气相色谱内标法测定浓香型白酒己酸乙酯含量的不确定度评定
Caproic acid bacteria is closely related to the formation of caproic acid and ethyl caproate in Luzhou-flavor liquor. 己酸菌与浓香型白酒中的己酸、己酸乙酯的生成关系密切。
Besides, the main physiochemical indexes of new craft liquor including alcohol content, total acid, total ester, the content of ethyl caproate, solids, and other additives must meet the requirements of national standards. 生产的新工艺白酒的主要理化指标如酒精度、总酸、总酯、己酸乙酯含量、固形物及卫生指标和调加的其他添加剂必须符合国标要求。
The catalytic action of esterase would make more ethyl caproate from caproic acid to improve the quality of liquor. 利用酯化酶的催化作用,使己酸更多地合成己酯乙酯,以提高酒质。
The preparation of PEG column and its application in the determination of the contents of ethyl caproate and ethyl lactate in Luzhou-flavor liquors had proved its superiorities including comparatively better separation effects, rapid determination operation, accurate determination results and economic durability. 研究制备了PEG柱,将其应用于浓香型白酒检测酒中己酸乙酯和乳酸乙酯含量,实践证明,PEG柱分离效果较好,检测速度快,结果准确,且经济耐用。
The production practice indicated that the manmade pit mud had satisfactory production effects, and liquor made by it had higher ethyl caproate content and total ester content and comparatively lower ethyl lactate content. 生产实践表明,效果很好,所产酒己酸乙酯和总酯较高,乳酸乙酯相对较低。
Synthesis of isoamyl caproate from caproic acid and isoamyl alcohol over ferric chloride with the aid of microwave irradiation was studied. 报道了以微波辅助由己酸和异戊醇催化合成己酸异戊酯的反应条件。
Synthesis of ( N, N-Diethylamino) ethyl Caproate by Using Solid Superacid Catalyst/ TiO_2 用固体超强酸SO4~(2-)/TiO2催化剂合成N,N-二乙氨基乙醇己酸酯
Study on Catalytic Synthesis of Ethyl Caproate by Nanometer Complex Heteropoly Acid 纳米复合杂多酸催化合成己酸乙酯的研究
OBJECTIVE: The effects of sodium acetate, sodium butyrate, sodium caproate, sodium caprylate on the proliferation and apoptosis of MDA-MB-231 breast cancer cell line were investigated comparatively and the associated mechanisms were also discussed. 目的:比较研究系列脂肪酸钠盐对乳腺癌MDA-MB-231细胞增殖和凋亡的影响,并初步探讨其分子机制。
Preparation of 2-ethyl-caproic acid, lead caproate and tin caproate 2-乙基己酸及其铅盐与锡盐的制备
Conclusion: Both estradiol benzoate and hydroxyprogesterone caproate or mixture of them can increase the count of peripheral leukocytes and percentage of lymphocytes. 结论:苯甲酸雌二醇、己酸羟孕酮或二者联合应用均可以升高外周血白细胞数目和淋巴细胞数目。
The contents of ethyl caproate, ethyl lactate and ethyl butyrate in base liquor reached the maximum values after 7-8 months storage in cement pits ( accordingly, 7~ 8 months is the best storage period). 基础酒经大水泥池贮存后,己酸乙酯、乳酸乙酯、丁酸乙酯在7~8个月达到最高值,故以7~8个月贮存期为宜;
Application of Hyperconcentration Caproate Bacteria Liquid on Pits 超浓缩复合己酸菌液在窖池中的应用
Use of Fluorospectrophotometry for Assay of Low Dosage Estradiol Valerate of Compound Hydroxyprogesterone Caproate Injection 荧光光谱法测定复方己酸孕酮注射液中微量组分戊酸雌二醇的含量
A high-molecular-weight poly ( phenyl sulfide) ( HMWPPS) resin was prepared from sulfur and p-dichlorobenzene in polar organic solvent, with 6-amino-caproic acid and its sodium caproate as catalyst. 本文介绍以硫磺和二氯苯为原料,6-氨基已酸及其钠盐为催化剂,在极性有机溶剂中合成高分子量PPS树脂.6-氨基已酸组术后出血量与对照组比较差别无统计学意义。
Ethyl caproate content in fermenting liquor ( produced by addition of M-6) was over two times of that in contrast liquor. 在酿酒生产试用中,加红曲霉M-6生产的麸曲发酵酒比对照酒己酸乙酯高2倍多;
Conclusion Estradiol benzoate can boost humoral immunity and suppress cellular immunity while hydroxyprogesterone caproate has an opposite effect. 结论苯甲酸雌二醇可以增强体液免疫而抑制细胞免疫,己酸羟孕酮可以增强细胞免疫而抑制体液免疫。
The old production process of ethyl caproate using sulfuric acid as catalyst produces large amount of waste water which is harmful to environment. 己酸乙酯生产工艺中采用硫酸做催化剂,会产生大量的工艺废水,对环境不利。
The relations of caproate bacteria and pit mud and Luzhou-flavour liquor is very close, to a certain degree, they decide the quality and flavour of Luzhou-flavour liquor. 己酸菌和窖泥与浓香型白酒关系密切,在一定程度上说,是它们在决定着浓香型白酒的质量及风格。
In this paper the citronella ( oil) content of certain candle formulations was determined by using Capillary Gas Chromatography, with ethyl caproate ( EC) as internal standard and hexane as the solvent. 以已酸乙酯作内标,正已烷为溶剂,用毛细管气相色谱法测定了蜡制品中香茅油的含量。
For instance, the main body flavoring components in Fen-flavor liquors were ethyl acetate and ethyl lactate but just slight content of ethyl caproate. 例如汾酒中以乙酸乙酯和乳酸乙酯为主体香,而己酸乙酯含量甚微。
Ethyl acetate content and ethyl caproate content in the liquor were evidently high ( The two substance showed parallel quantity relative ratio relation). 酒鬼酒的己酸乙酯和乙酸乙酯含量突出,二者呈平行的量比关系;
Thallus cells, managed by organic solvent and two-day organic phase esterification, the esterification rate of its ethyl caproate could achieve 98% and it could achieve 70% if managed by thirty-day esterification in solventless phase system. 用有机溶剂处理菌体细胞,有机相酯化2天,己酸乙酯酯化率可达98%,在无溶剂相系统中酯化30天,酯化率可达70%以上。
Synthesis of 2-( Diethylamino) ethyl Caproate by Using Lewis Acid Lewis酸催化合成2-(二乙氨基)乙基己酸酯
Pit entry acidity as 1.8~ 2.0, which could produce more ethyl caproate; 入窖酸度以1.8~2.0为佳,能生成较多的己酸乙酯。
Catalytic Capacity of Ferric Nitrate and Aluminum Nitrate in the Preparation of Iso-Pentyl Caproate 硝酸铁和硝酸铝在己酸异戊酯制备中催化作用探讨