… as compact bundles of bast held together with a pectic substance. For use in the textile industry, the fibres must … Retted flax . Retting eliminates most of the pectic substance which surrounds the fibres, either by fermentation …
… of or contain relatively high molecular weight organic substances and which are not separate chemically defined … of one or more waxes and containing fats, resins, mineral substances or other materials. Unmixed animal or vegetable …
… atoms results in polyhydric phenols (polyphenols). This substitution in its turn may affect one or more benzene … phenols. The hydroxyl group may also be present as a substitute in benzene homologues; in the case of toluene, a …
