Results 31 to 40 of about 90,046 (287)

Thermal degradation of citrus pectin in low-moisture environment - Influence of acidic and alkaline pre-treatment [PDF]

open access: yes, 2018
Pectin powder is degraded during storage and transport by demethoxylation and depolymerisation. The degradation mechanisms and especially the influence of pre-treatments on the degradation reactions are not completely understood.
Drusch, Stephan   +4 more
core   +1 more source

High Selectivity of Alkanes Production by Calcium Basic Soap Thermal Decarboxylation

open access: yesMATEC Web of Conferences, 2018
Renewable fuel production from vegetable oil and fat or its fatty acids by direct decarboxylation has been widely reported. An innovative approach to produce drop-in fuel via thermal catalytic decarboxylation of basic soap derived from palm stearin ...
Neonufa Godlief F.   +3 more
doaj   +1 more source

Dinamika dan Karakter Produk Hasil Dekarboksilasi Sabun Hidroksi Pelargonat

open access: yesJurnal Teknik Kimia dan Lingkungan, 2021
The development of biofuel have a lot of advantages for national growth, such as, imports reduction of fuel and increasing national energy security and sustainability.
Ella Melyna   +2 more
doaj   +1 more source

Functional characterization of a catalytically promiscuous tryptophan decarboxylase from camptothecin-producing Camptotheca acuminata

open access: yesFrontiers in Plant Science, 2022
Tryptophan decarboxylases (TDCs) are a group of pyridoxal 5′-phosphate-dependent enzymes involved in the enzymatic conversion of tryptophan into tryptamine, a critical biogenic amine.
Chong Qiao   +8 more
doaj   +1 more source

Phosphoenolpyruvate Carboxykinase Is Involved in the Decarboxylation of Aspartate in the Bundle Sheath of Maize [PDF]

open access: yes, 1999
We recently showed that maize (Zea mays L.) leaves contain appreciable amounts of phosphoenolpyruvate carboxykinase (PEPCK; R.P. Walker, R.M. Acheson, L.I. Técsi, R.C. Leegood [1997] Aust J Plant Physiol 24: 459–468).
Chen, Z.   +3 more
core   +2 more sources

Formation and structure of the ferryl [Fe=O] in-termediate in the non-haem iron halogenase SyrB2: classical and QM/MM modelling agree [PDF]

open access: yes, 2017
To rationalise mechanistically the intriguing regio- and chemoselectivity patterns for different substrates of the non-haem iron/2-oxoglutarate dependent halogenase SyrB2, it is crucial to elucidate the structure of the pivotal [FeIV[double bond, length ...
Rugg, G., Senn, H.M.
core   +1 more source

Carbon–carbon bond cleavage for Cu-mediated aromatic trifluoromethylations and pentafluoroethylations

open access: yesBeilstein Journal of Organic Chemistry, 2015
This short review highlights the copper-mediated fluoroalkylation using perfluoroalkylated carboxylic acid derivatives. Carbon–carbon bond cleavage of perfluoroalkylated carboxylic acid derivatives takes place in fluoroalkylation reactions at high ...
Tsuyuka Sugiishi   +3 more
doaj   +1 more source

Thermal Decarboxylation of Betacyanins in Red Beet Betalain-Rich Extract

open access: yesPolish Journal of Food and Nutrition Sciences, 2020
Betalains are one of the most common groups of plant pigments found in nature, especially in red beetroot ( Beta vulgaris L.) which is the main commercially exploited source of betalains produced in the form of concentrates or powders.
Agnieszka Kumorkiewicz   +4 more
doaj   +1 more source

DIHYDROXYFUMARIC ACID TRANSFORMATION [PDF]

open access: yesChemistry Journal of Moldova: General, Industrial and Ecological Chemistry, 2008
This short communication presents several preliminary results obtained during kinetic investigation of dihydroxyfumaric acid decarboxylation. The reaction order towards the hydrogen ions concentration has been established, the correlation between the ...
Natalia Secara
doaj  

Decarboxylation of 2-keto fatty acids by brain

open access: yesJournal of Lipid Research, 1966
An enzyme system consisting of washed acetone powder of pig brain, adenosine triphosphate, nicotinamide adenine dinucleotide, magnesium, fumaric acid, and ascorbic acid was found to catalyze the oxidative decarboxylation of 2-ketostearic acid.
W. Ewart Davies   +4 more
doaj   +1 more source

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