نتایج جستجو برای: 2 phenylethanol
تعداد نتایج: 2525387 فیلتر نتایج به سال:
Chemoenzymatic dynamic kinetic resolution (DKR) of rac-1-phenyl ethanol into R-1-phenylethanol acetate was investigated with emphasis on the minimization of side reactions. The organometallic hydrogen transfer (racemization) catalyst was varied, and this was observed to alter the rate and extent of oxidation of the alcohol to form ketone side products. The performance of highly active catalyst ...
The effects of ethanol and phenylethanol on the growth of and glycoprotein secretion by Trichoderma reesei were studied. Low levels (1.5%, vol/vol) of ethanol perturbed the glycosylation process, as shown by alterations in the isoelectric profile of the secreted proteins and a reduction in the rate of incorporation of mannose into oligosaccharides. In addition to these effects on posttranslatio...
Ethylene is a gaseous plant hormone involved in many physiological processes including senescence, fruit ripening, and defence. Here the effects of pollination and wound-induced ethylene signals on transcript accumulation of benzoyl CoA:benzyl alcohol/phenylethanol benzoyltransferase (PhBPBT) are shown in Petuniaxhybrida cv. Mitchell 'Diploid' (MD). In petunia, PhBPBT is responsible for the bio...
* corresponding author. e-mail: [email protected] Phenethyl octanoate (PEO) is a natural flavour compound found in rum, spirits and wine. Six commercial and non-commercial lipase preparations were screened for 2-phenethyl octanoate synthesis activity, the most active enzymes were Lipozyme® RM IM and Palatase® 20000 L (immobilized and soluble Rhizomucor miehei lipases). Three substrates a...
A collection of 33 Saccharomyces yeasts were used for wine fermentation with a sole nitrogen source: ammonium and four individual aroma-inducing amino acids. The performance chemical composition evaluated. most valuable sources valine as promoter on non-cerevisiae strains, phenylalanine fruity aromas enhancer whereas the ethanol yield was lessened by leucine isoleucine. S. cerevisiae SC03 kudri...
The catalytic conversion of lignin model compounds was performed using Ru/C catalysts and an autoclave reactor. were prepared by the impregnation method highly porous homemade activated carbon characterized XRD, SEM, specific surface area. reactions in a high pressure/temperature reactor at different temperatures with solvents. results showed that novel from supports KOH agent higher activity t...
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