resin acid

Up to 39% of the resin acid content was removed by all four organisms.

Some resins also contain a high proportion of resin acids.

Resin acids cause fish to suffocate and interfere with reproduction.

The substance was entering the river through a culvert and contained resin acids.

A mechanism to explain the formation of 15 from the dienoic resin acids is given.

These compounds, known collectively as resin acids, have not been reported previously from a fungal source.

The resin acids may be classified into two types, abietic and pimaric.

It chiefly consists of various resin acids, especially abietic acid.

These wound-induced rapid changes in resin acid concentrations could be important for resistance to pathogens.

Norske Skog discharged the majority of organic matter and resin acids.

All isolates degraded a subset of the six resin acid congeners.

Factors affecting gas chromatographic analysis of resin acids present in pulp mill effluents.

Such resins can include resin acids, esters, or alcohols.

The fatty acids fraction is usually lower than the resin acids, and unsaponifiables amount to 6-8%.

Laboratory investigations of resin acids have found varying degrees of enzyme induction (178,187).

Another project involves biological treatment of resin acids which are toxic compounds occurring in pulp and paper mill process waters.

No correlation could be shown between isoabienol occurrence and the monoterpene or resin acid composition of the needles.

Other environmental quality issues in the Derwent include toxic effects of resin acids on fish in the upper estuary.

Major increases of resin acid were associated with major toxicity increases within one given growth cycle.

Variation in resin acid concentration in sun and shade needles should be considered when such acids are used as genetic markers.

Key words: resin acids, biodegradation, pulp mill effluents.

Photolysis and biodegradation of selected resin acids in river Saale water, Germany.

Development of an immunoassay for the detection of resin acids in pulp mill effluents.

Pimaric acid is a carboxylic acid from the resin acid group.

Furthermore, any residual resin acids that pass the treatment facilities add toxicity to the stream discharged to the receiving waters.