resin acids

res·in ac·ids

(rez'in as'idz),
A class of organic compounds derived from various natural plant resins; diterpenes containing a phenanthrene ring system; for example, abietic acid, pimaric acid, ester gums.
Synonym(s): resinic acids
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References in periodicals archive ?
The main component of rosin is the mixture of C20 monocarboxylic diterpenic resin acids including the abietic-type acids and pymaric-type acid, and percentage of these resin acids in the rosin is ca.
Synthesis of Allyl Dimethyl Dehydroabietyl Ammonium Chloride and its Surface Activities
Some authors attribute the genotoxic effects mainly to resin acids (abietic and dehydroabietic acid; Fernandez et al.
Genotoxic effects of kraft pulp mill effluents treated by biological aerobic systems/Efectos genotoxicos de efluentes provenientes de celulosa kraft tratados por sistemas biologicos aerobicos/Efeito genotoxico de efluentes a partir de celulose kraft tratados por sistemas biologicos aerobicos
By contrast, the significant factors for decay in ground proximity, where the test arrangement encourages moisture retention, were the amounts of the hydrophobic extractives palmitic fatty acid and dehydroabietic and neoabietic resin acids.
Effect of chemical and physical properties on the decay susceptibility of southern pine sapwood decking in two aboveground exposures
The normal products of wood include tannins, resin acids.
Effects of pine tree extract on Xenopus laevis
Natural resin acids present in rosin of Pinus spez.
Cancer chemopreventive activity of "rosin" constituents of Pinus spez. and their derivatives in two-stage mouse skin carcinogenesis test
Examples include carrageenan from kelp, biodiesel from vegetable oils, and resin acids from the "extractives" of trees.
Biorefining the future: modern biorefineries refined and redefined
Resin acids are contaminants known to resist biodegradation both in industrial treatment systems and in receiving waters.
Two is better than one: using UV in pre-treatment for removal of organics in industrial effluents
In alkaline conditions, such as in kraft pulping, the triglycerides are completely saponified, and the free fatty acids and resin acids are dissolved, but sterols and some steryl esters and waxes do not form soluble soap and tend to deposit and cause pitch problems.
Spectroscopic characterization of extractives isolated with MTBE from straws
Composed mainly of cellulose, polyoses, and lignin, wood dust may contain a variety of nonpolar organic extractives (fatty acids, resin acids, waxes, alcohols, terpenes, sterols, steryl esters, and glycerols), polar organic extractives (tannins, flavonoids, quinones, and lignans), and water-soluble extractives (carbohydrates, alkaloids, proteins, and inorganic material) (20).
Sawmill Chemicals and Carcinogenesis
Rosin and Resin Acids, and Derivatives, Rosin Spirit and Oils, Run Gums: European Union Market Outlook 2010 and Forecast till 2015
New Topical Reports on EU Chemicals Markets Published by MarketPublishers.com
Spruce sawdust contained considerably lower amounts of fatty and resin acids than pine.
Emission of volatile organic compounds from softwood pellets during storage
The polar fraction is also analyzed using LRGC and HRGC and the composition of lignans, stilbenes, and oxidized resin acids can be obtained.
Gas chromatographic analysis of acetone extractives in lodgepole pine and western hemlock TMP furnish

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