نتایج جستجو برای: vanillin production
تعداد نتایج: 605011 فیلتر نتایج به سال:
Lysinibacillus fusiformis SW-B9 was the first reported strain in L. fusiformis showing effective biotransformation of isoeugenol to vanillin. Here, we report the annotated genome of strain SW-B9, which has special pathways for producing vanillin. The genome will provide a genetic basis for better understanding the physiology of this species.
An enzymatic method is described for the measurement of vanillyl mandelic acid (VMA). The method utilizes an L-mandelic acid dehydrogenase preparation from Pseudomonas fluorescens A-312 to catalyze the transformation of VMA to vanillin. The method is specific for VMA becauseonly the final product, vanillin, will absorb maximally at 350 m/L. The results compare favorably with the method of Pisan...
During studies directed towards the discovery of nitrile hydrolysing enzymes from thermophiles, vanillin aldoxime was incubated with the thermophilic organism, Geobacillus sp. DDS012 isolated from Italian rye grass (Lolium multiflorum) silage. The predominant product was a dihydro-dimer, which could only be characterised by LC-MS. This was initially imagined to be the product of cycloaddition o...
Vanillin is a popular and valuable flavour compound. It is the key constituent of the natural vanilla flavour obtained from cured vanilla pods. Here we show that a single hydratase/lyase type enzyme designated vanillin synthase (VpVAN) catalyses direct conversion of ferulic acid and its glucoside into vanillin and its glucoside, respectively. The enzyme shows high sequence similarity to cystein...
Maximizing the Efficiency of Vanillin Production by Biocatalyst Enhancement and Process Optimization
Complementing Vanillin and Cellulose Production by Oxidation of Lignocellulose with Stirring Control
Objective: Vanillin (Va), a phenolic substance is a natural antioxidant with proven free radical scavenging activity and offers protection against oxidative damage. This study was designed to investigate the ameliorative effect of Va against metribuzin (Mtz) pesticide-induced toxicity and oxidative stress in rats. Methods: Thirty-two rats were equally divided into four groups: control, vanillin...
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