Articles with "pyruvic acid" as a keyword



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Electrolyzing lactic acid in situ in fermentation broth to produce pyruvic acid in electrolysis cell

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Published in 2019 at "Applied Microbiology and Biotechnology"

DOI: 10.1007/s00253-019-09793-0

Abstract: Pyruvic acid is an important chemical in the carboxylate platform. Obstacles for its implementation are the need for high energy in chemical synthesis and additives in fermentation leading to increased production costs. Here, pyruvic acid… read more here.

Keywords: pyruvic acid; electrolysis; acid; fermentation broth ... See more keywords
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The role of pyruvic acid as starting material in some organic reactions in the presence of SBA-Pr-SO3H nanocatalyst

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Published in 2017 at "Research on Chemical Intermediates"

DOI: 10.1007/s11164-017-3103-4

Abstract: Pyruvic acid contains three different reactive positions: –COOH, ketone carbonyl and methyl groups. Correspondingly, pyruvic acid was applied as starting material in the modified Niementowski reaction and Aldol condensation using SBA-Pr-SO3H as an efficient nanocatalyst.… read more here.

Keywords: starting material; sba so3h; pyruvic acid; presence sba ... See more keywords
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Optimized method for the quantification of pyruvic acid in onions by microplate reader and confirmation by high resolution mass spectra.

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Published in 2018 at "Food chemistry"

DOI: 10.1016/j.foodchem.2017.08.099

Abstract: The present study describes the rapid microplate method to determine pyruvic acid content in different varieties of onions. Onion juice was treated with 2,4-dinitrophenylhydrazine to obtain hydrazone, which was further treated with potassium hydroxide to… read more here.

Keywords: acid onions; quantification pyruvic; method quantification; pyruvic acid ... See more keywords
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Pyranoanthocyanins in bilberry (Vaccinium myrtillus L.) wines fermented with Schizosaccharomyces pombe and their evolution during aging.

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Published in 2019 at "Food chemistry"

DOI: 10.1016/j.foodchem.2019.125438

Abstract: Fifteen vitisin A-type pyranoanthocyanins (vAPs) were determined in bilberry wines fermented with Saccharomyces cerevisiae and Schizosaccharomyces pombe by HPLC-DAD and UPLC-DAD-ESI-MS/MS. The fermentation involving S. pombe enhanced the production of vAPs compared to the fermentation… read more here.

Keywords: schizosaccharomyces pombe; bilberry vaccinium; pyranoanthocyanins bilberry; pyruvic acid ... See more keywords
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Effect of the high pressure treatments on the physicochemical properties of the young red wines supplemented with pyruvic acid

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Published in 2018 at "Innovative Food Science and Emerging Technologies"

DOI: 10.1016/j.ifset.2018.05.010

Abstract: Abstract The formation of vitisin A and physicochemical properties of a young red wine with pyruvic acid addition (500 mg/L) during high hydrostatic pressure (HHP) at various conditions were studied. Response surface methodology was used to… read more here.

Keywords: properties young; pyruvic acid; physicochemical properties; young red ... See more keywords
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The facet-regulated oxidative dehydrogenation of lactic acid to pyruvic acid on α-Fe2O3

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Published in 2021 at "Green Chemistry"

DOI: 10.1039/d0gc03468a

Abstract: We propose a highly active α-Fe2O3 catalyst for the oxidative dehydrogenation of lactic acid to value-added pyruvic acid in air. The activity is determined by the utilized crystal face, due to the different adsorption energies… read more here.

Keywords: lactic acid; pyruvic acid; oxidative dehydrogenation; acid ... See more keywords
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Probing the dynamics of the photo-induced decarboxylation of neutral and ionic pyruvic acid.

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Published in 2022 at "Faraday discussions"

DOI: 10.1039/d2fd00023g

Abstract: The dynamics of the electronically excited pyruvic acid (PA) and of its unimolecular decomposition upon single photon ionisation are investigated by means of a table top fs laser and VUV synchrotron radiation. The latter is… read more here.

Keywords: pyruvic acid; neutral ionic; decarboxylation; ion ... See more keywords
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Photochemistry of pyruvic acid is governed by photo-induced intermolecular electron transfer through hydrogen bonds

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Published in 2022 at "Chemical Science"

DOI: 10.1039/d2sc03038a

Abstract: Despite more than 85 years of research, the mechanism behind the photodecarboxylation of pyruvic acid remains elusive. Most studies focused on the gas and liquid phase of diluted solutions of pyruvic acid to understand the… read more here.

Keywords: electron transfer; pyruvic acid; acid; hydrogen ... See more keywords
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Indole-3-pyruvic acid regulates TAA1 activity, which plays a key role in coordinating the two steps of auxin biosynthesis

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Published in 2022 at "Proceedings of the National Academy of Sciences of the United States of America"

DOI: 10.1073/pnas.2203633119

Abstract: Significance The plant hormone auxin (indole-3-acetic acid [IAA]) plays a central role in regulating plant growth and development, but the regulation of IAA biosynthesis is poorly understood. Here, we identified a key push and pull… read more here.

Keywords: pyruvic acid; indole pyruvic; biosynthesis; role ... See more keywords
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The efficacy and tolerability of 40% pyruvic acid peel on acne vulgaris, post acne scar and hyperpigmentation in Indians

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Published in 2022 at "Journal of Cosmetic Dermatology"

DOI: 10.1111/jocd.14974

Abstract: Pyruvic acid in concentration between 40% and 70% is currently been used as a superficial to medium peeling agent for various dermatological indications including acne. However, there is a paucity of its efficacy studies on… read more here.

Keywords: tolerability pyruvic; pyruvic acid; efficacy tolerability; peel acne ... See more keywords
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Characterization of indole-3-pyruvic acid pathway-mediated biosynthesis of auxin in Neurospora crassa

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Published in 2018 at "PLoS ONE"

DOI: 10.1371/journal.pone.0192293

Abstract: Plants, bacteria and some fungi are known to produce indole-3-acetic acid (IAA) by employing various pathways. Among these pathways, the indole-3-pyruvic acid (IPA) pathway is the best studied in green plants and plant-associated beneficial microbes.… read more here.

Keywords: biosynthesis; neurospora crassa; pyruvic acid; indole pyruvic ... See more keywords