نتایج جستجو برای: ethyl hexanoate

تعداد نتایج: 34703  

Journal: :Physical Chemistry Chemical Physics 2021

The choline-hexanoate IL increases the biphasic region of Pluronic solutions.

Journal: :Yeast 2006
Mariska Lilly Florian F Bauer Marius G Lambrechts Jan H Swiegers Daniel Cozzolino Isak S Pretorius

The fruity odours of wine are largely derived from the synthesis of esters and higher alcohols during yeast fermentation. The ATF1- and ATF2-encoded alcohol acetyltransferases of S. cerevisiae are responsible for the synthesis of ethyl acetate and isoamyl acetate esters, while the EHT1-encoded ethanol hexanoyl transferase is responsible for synthesizing ethyl caproate. However, esters such as t...

Journal: :international journal of bio-inorganic hybrid nanomaterials 0

mnco2o4 (mno-co2o3) nanocomposite as a binary oxide has been successfully prepared by precipitation method using cobalt nitrate and manganese nitrate as the precursors and then characterized by scanning electron microscopy-energy dispersive micro-analysis (sem-edx) and x-ray diffraction (xrd) techniques. in this work, we report the hydrolysis kinetics reactions of semi mustard (chloroethyl ethy...

Journal: :The Journal of biological chemistry 1950
R F WITTER E H NEWCOMB E STOTZ

Experiments with labeled octanoic acid have shown that liver slices cleave the fatty acid to 2-carbon fragments which condense to form acetoacetate (l-3). The earlier findings (1, 2) of an equal distribution of the isotope between the carboxyl and carbonyl groups of acetoacetate after utilization of carboxyl-labeled octanoate indicate a random recondensation of 2-carbon fragments, while later f...

Journal: :Sheng wu gong cheng xue bao = Chinese journal of biotechnology 2008
Zhiyou Pan Shuangyan Han Ying Lin Suiping Zheng

Short-chain esters play a significant role in the food industry as flavor and aroma constituents. Candida antarctica lipase B (CALB) is one of the most effective catalysts for organic synthesis. We constructed a CALB-displaying yeast whole-cell biocatalyst and applied it to esterification from caproic acid and ethanol. CALB was fused with the alpha-agglutinin C-terminal and the signal peptide o...

Journal: :Applied sciences 2022

Reliable analytical methods able to establish wine authenticity and compliance with the origin/variety denomination are essential tools for safeguarding of consumers from fraud. In this work, we attempted discrimination certified monovarietal white wines produced in Abruzzo region (Central Italy) 2015 Trebbiano d’Abruzzo, Pecorino or Passerina grapes, all belonging variety. A preliminary sensor...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه ارومیه - دانشکده شیمی 1392

حفاظت از گروههای عاملی از مراحل اجتناب ناپذیر در سنتز آلی است، در این بین محافظت از گروههای آمینی بسیار حائز اهمیت است. روشهای متعددی از قبیل فرمیله کردن، استیله کردن، محافظت بصورت boc و موارد زیاد دیگری جهت محافظت از گروههای آمینی تاکنون گزارش شده است. از طرف دیگر توسعه و کاربرد کاتالیست ها و حلالهای دوستدار محیط زیست و مزایای واکنشهای بدون حلال همچون سرعت بالای واکنش، خالص سازی آسان، کاهش آلو...

Journal: :Journal of lipid research 2003
Yanqiao Zhang Liya Yin F Bradley Hillgartner

In chick embryo hepatocytes, activation of acetyl-CoA carboxylase-alpha (ACCalpha) transcription by 3,5,3'-triiodothyronine (T3) is mediated by a cis-acting regulatory unit (-101 to -71 bp) that binds the nuclear T3 receptor (TR) and sterol regulatory element-binding protein-1 (SREBP-1). SREBP-1 directly interacts with TR on the ACCalpha gene to enhance T3-induced transcription. Here, we show t...

Journal: :Biological Control 2021

The safety of weed biological control depends upon the selection and utilization target by agent while causing minimal harm to non-target species. Selection species agents is determined presence behavioral cues, namely host secondary plant compounds that elicit oviposition feeding responses. Non-target same cues as found in may be at risk damage classical agents. Here we volatile constituents i...

Journal: :Journal of Colloid and Interface Science 2013

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