• A few years ago, I was asked to explain lactic acid fermentation in sourdough, and the difference between homo- and heterofermentation. (thefreshloaf.com)
  • Growth and fermentation of D-xylose by Saccharomyces cerevisiae expressing a novel D-xylose isomerase originating from the bacterium Prevotella ruminicola TC2-24. (scielo.br)
  • Lactic acid fermentation is considered one of the important mechanisms in the food industry for its sour taste, improved microbiological stability and safety of food. (chemtradeasia.com)
  • Lactic acid is produced on an industrial scale by fermentation or a synthetic method. (chemtradeasia.com)
  • The fermentation method requires carbohydrates, nutrients, and a microorganism to produce lactic acid via fermentation. (chemtradeasia.com)
  • The carbohydrates used in fermentation consist mainly of hexoses or compounds which can be easily split into hexoses, e.g. glucose and sugar. (chemtradeasia.com)
  • After fermentation, the lactic acid broth needs to be purified for its intended use. (chemtradeasia.com)
  • Alternatively, processes using cellulolytic microorganisms (such as C. cellulolyticum, C. thermocellum, and C. phytofermentans) to carry out both the hydrolysis of lignocelluloses and sugar fermentation in a single step, termed 'Consolidated Bioprocessing Process (CBP)' [ 12 ] have been proposed, how-ever the development of these is still at an early stage, and again low conversion rates seem to be a major limitation that needs to be overcome. (banksolar.ru)
  • Lactic Acid Bacteria (LAB) fermentation can be a simple technology to increase the content of phenolic compounds, as well as the antioxidant activity of plant material. (bvsalud.org)
  • Lactic acid yields are between 85 and 95% based on fermentable sugars. (chemtradeasia.com)
  • These pre-treatments are designed to allow the carbohydrate portion of the biomass to be broken down into simple sugars, for example by en-zymatic hydrolysis using exogenously added cellulases to release fermentable sugars [ 12 ]. (banksolar.ru)
  • Bioethanol or first generation ethanol in Brazil is obtained by fermenting glucose from sugar cane juice and molasses (a residue from sugar making) using Saccharomyces cerevisiae . (scielo.br)
  • Broad in-silico modeling of microbial growth was applied on communities composed of yeast (Saccharomyces cerevisiae) and different Lactic Acid Bacteria (LAB) species, which mainly predominate in sourdough starters. (bvsalud.org)
  • These factors include sugar transporters and invertases as well as metabolites, including sucrose and glucose, which function as signalling molecules to modulate gene expression. (sun.ac.za)
  • We discuss the historical relevance and the benefits of pulque consumption, its chemical and nutritional properties, including the health benefits associated with diverse lactic acid bacteria with probiotic potential isolated from the beverage. (frontiersin.org)
  • Recently, LC-MS/MS approaches have also been applied to the identification of proteins and proteotypic peptides of lactic acid bacteria in fermented food matrices. (bvsalud.org)
  • 2 2 Webb SR, Lee H. Regulation of d-xylose utilization by hexoses in pentose-fermenting yeasts. (scielo.br)
  • Kefir is a fermented milk beverage produced by bacteria and yeasts. (bvsalud.org)
  • Partial breakdown into lactic acid or ethanol and CO2 Note: Bacteria have many different pathways for carbohydrate metabolism based on the enzymes they are able to produce. (studylib.net)
  • The genetic transformation of plants and the subsequent development of transgenic lines with disturbed sugar metabolism have made an unprecedented impact on the study of sugar translocation and -partitioning. (sun.ac.za)
  • For instance, the transformation of plants with a yeast-derived invertase targeted to different subcellular compartments has led to the elucidation of several key aspects of sugar metabolism, including phloem loading mechanisms, the regulation of photosynthesis by sugars, the importance of sugar-metabolism compartmentation with regards to sucrose biosynthesis, storage and distribution, as well as the role of cell-wall invertase in phloem unloading and sink strength. (sun.ac.za)
  • In support of a NOD function, microbial flavoHbs and Hbs catalyze O2-dependent cellular radical dotNO metabolism, protect cells from radical dotNO poisoning, and are induced by radical dotNO exposures. (pharmaceuticalintelligence.com)
  • Sourdough starters harbor microbial consortia that benefit the final product's aroma and volume. (bvsalud.org)
  • Herein, we demonstrated for the first time in this field the potential of genome-scale metabolic modeling (GEMs) in the study of sourdough microbial communities. (bvsalud.org)
  • Lactic acid played an important role in biochemical processes and was first isolated in 1780 by the Swedish chemist Carl Wilhelm Scheele. (chemtradeasia.com)
  • Lactic acid is used in the beverage industry to convert the naturally present malic acid to lactic acid and to reduce the sharpness. (chemtradeasia.com)
  • The isomerase has now been observed in nearly a hundred species of bacteria. (wikipedia.org)
  • Here, we developed an innovative nanoLC-ESI-MS/MS-based methodology for profiling lactic acid bacteria in commercial and artisanal milk kefir products as well as in kefir grains at the genus, species and subspecies level. (bvsalud.org)
  • Lb. sakei group members and S. cerevisiae through bidirectional nutrient dependencies, and further underlined that these bacteria compete with the yeast over nutrients to a lesser extent than the rest LAB species. (bvsalud.org)
  • Lactic acid is also known as milk acid and is primarily found in milk products. (chemtradeasia.com)
  • Fourth, unlike traditional chemical catalysts which require a set feed gas composition to yield desired product ratios or suite, microbial processes have freedom to operate for the production ofthe same suite of products across a wider range of CO:H2 ratios in the feed gas [ 16 ]. (banksolar.ru)
  • An overview of the composition of lactic acid bacteria was also obtained for unlabelled kefir highlighting, for the first time, the great potential of LC-MS/MS as a sensitive tool to assess the authenticity of fermented foods. (bvsalud.org)
  • Lactic acid bacteria (LAB) may improve microbial status in the intestines and increase the metabolic activity towards polyphenolic degradation. (biomedcentral.com)
  • Lactic acid is an important organic chemical compound with a global production of 275.000 tonnes per year and is naturally available in humans and animals. (chemtradeasia.com)
  • In this study, a similar strategy of transgenic plant analysis was employed to expand our insight into the regulation of sugar partitioning. (sun.ac.za)
  • Lactic acid is used to prevent spoilage of preserved food vegetables and other preserved vegetables in the brine solution. (chemtradeasia.com)
  • In the meat industry, lactic acid is used in the form of sodium or potassium lactate to extend shelf life, control pathogenic bacteria enhancement, protect meat flavour, improve water binding capacity and reduce sodium. (chemtradeasia.com)
  • In confectionery and dairy products, lactic acid is used to enhance mild acid taste, improve quality, reduce stickiness and longer shelf life. (chemtradeasia.com)
  • Lactic acid is used in the tobacco industry to improve tobacco quality and maintain tobacco humidity. (chemtradeasia.com)
  • Hence D-xylose isomerase is used to produce these rare sugars which have very important applications in biology despite their low abundance. (wikipedia.org)
  • MALDI-TOF MS proved to be useful for the detection/identification of bacteria in clinical diagnostics and agri-food applications. (bvsalud.org)
  • Lactic acid can be used in producing new pesticides and environmental protection as it has high biological activity in soil and crop and is non-toxic. (chemtradeasia.com)
  • These transgenic lines displayed varying increases in invertase activity, altered sugar levels and consequently disturbed sink-source interactions and sugar partitioning. (sun.ac.za)