a.1.(Chem.) Pertaining to, or denoting, an acid (called also acetyl-propionic acid), C5H8O3, obtained by the action of dilute acids on various sugars (as levulose).
References in periodicals archive ?
Aliphatic acids (acetic, formic and levulinic acids), furaldehydes (furfural and 5-hydroxymethyl furfural) and aromatic compound extractives are among the inhibitory compounds which vary according to the type of raw material and pretreatment conditions (temperature, residence time, pressure, pH and others) (Martin, & Jonsson, 2003; Bellido et al.
The mechanism by which treatment (whether dietary or avoidance of triggers) is thought to be based on negative feedback to a rate limiting step in the heme synthesis chain (Aamino levulinic acid).
Paper 3: "Application of Levulinic Acid & Derivatives in Coatings," presented by Marcel van Berkel of GFBiochemicals, The Netherlands.
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Benzyladenine-induced stimulation of 5-aminoleuvulinic acid accumulation under various light intensities in levulinic acid-treated cotyledons of etiolated cucumber.
Levulinic acid, a compound that contains carbonyl and carboxyl group in its structure, was reported as the main component that contributed to intensity of the peak at 1,736 [cm.
As part of a research team that investigated the feasibility of producing bio-oils using biomass from forest and paper industries, I determined a series of ternary diagrams for mixtures of water, furfural, levulinic, and formic acid.
CrCl2 has a good stability for HMF [8], which avoids the hydration and decarboxylation of HMF to produce levulinic acid and formic acid.
ClickPress, Thu Jan 15 2015] Levulinic acid (4-oxopentanoic acid) is a bio-based organic compound derived from raw materials such as biomass, manure, bagasse, and brewery waste.
Delta amino levulinic acid synthase, an enzyme of heme biosynthesis, is also regulated by a 5'IRE in its m RNA.
Lawton (2004) who prepared zein films containing various plasticizers such as triethylene glycol (TEG), glycerol (Gly), levulinic acid (LA), dibutyl tartrate (DBT), oleic acid (OA), and polyethylene glycol investigated the relationship between plasticizer type and water absorption in the zein films.
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