It is a well established fact that all organic compounds produced by living cells can be broken down by microorganisms. During the dissimilation of carbohydrates by organisms such as Aerobacter and certain members of the genus BaciUus 2,3-butanediol (2,3-butylene glycol) is formed as the chief product of the fermentation. There are many organisms in the soil that can use 2,3-butanediol or acety...

The content of 2,3-butanediol ((R,R) and meso isomers) 1,2-propanediol in grape berries “liquid samples” (all non-berry extracts) from the Tokaj wine region Hungary was investigated. Our aim to find out how activity Botrytis cinerea influences concentrations these compounds compared with healthy grapes. Based on measured concentrations, we can make a distinction between noble, rotted, so-called...

BACKGROUND Nutritional ketosis induced by the ketogenic diet (KD) has therapeutic applications for many disease states. We hypothesized that oral administration of exogenous ketone supplements could produce sustained nutritional ketosis (>0.5 mM) without carbohydrate restriction. METHODS We tested the effects of 28-day administration of five ketone supplements on blood glucose, ketones, and l...

We demonstrate the formation of a macroscopically oriented inverse bicontinuous cubic (Q(II)) lipid phase from a sponge (L(3)) phase by controlled hydration during shear flow. The L(3) phase was the monoolein/butanediol/water system; the addition of water reduces the butanediol concentration, inducing the formation of a diamond (Q(II)(D)) cubic phase, which is oriented by the shear flow. The ph...

KxNa(1−x)NbO3 particles (KNN, 0 < x 1) were successfully synthesized through a facile glycothermal method by using KOH, NaOH and Nb2O5 as precursors 1,4-butanediol solvent at 200 °C for 12 h. The effects of varying the 1,4-butanediol/deionized water (B/W) volume ratio on growth behavior, morphological evolution, particle size KNN investigated. In order to obtain K0.5Na0.5NbO3 with morphotrop...

BACKGROUND Due to its cost-effectiveness and rich sugar composition, sugarcane molasses is considered to be a promising carbon source for biorefinery. However, the sugar mixture in sugarcane molasses is not consumed as efficiently as glucose in microbial fermentation due to complex interactions among their utilizing pathways, such as carbon catabolite repression (CCR). In this study, 2,3-butane...

Six commercial wine yeast strains and three nonindustrial strains (two laboratory strains and one haploid strain derived from a wine yeast strain) were engineered to produce large amounts of glycerol with a lower ethanol yield. Overexpression of the GPD1 gene, encoding a glycerol-3-phosphate dehydrogenase, resulted in a 1.5- to 2.5-fold increase in glycerol production and a slight decrease in e...

Biodiesel-derived glycerol was biologically converted to 2,3-butanediol, an organic compound with multiple industrial applications. Recent studies showed that Raoultella terrigena CECT 4519 is effective biocatalyst for the bioprocess under conventional growing conditions. In present work, a novel composed by R. resting cells evaluated first time. Fluid dynamic conditions has been optimized maxi...