These species provide tannin and a very hard, durable timber. Quebracho is sometimes used as a commercial name for the tannin derived from the trees, or their timber. The etymology of the name appears to be Spanish, derived from quiebrahacha, meaning "axe-breaker".
The tannic acid, in the form of alkalized salts, was extensively used as a deflocculant in drilling muds in 1940s-1950s, until it was replaced with lignosulfonates. Its red color gave the mixture the name red mud.
Effect of Dietary Protein Level and Quebracho Tannin on Consumption of Pine Needles (Pinus Ponderosa) by Beef Cows
Oct 01, 2012; ABSTRACT Ponderosa pine trees occupy over 15 million hectares of rangeland in western North America. Pregnant cows often consume...
Ileal Endogenous Nitrogen Recovery Is Increased and Its Amino Acid Pattern Is Altered in Pigs Fed Quebracho Extract1,2
Nov 01, 2004; ABSTRACT Ileal endogenous nitrogen recovery (ENR) in pigs (9 ± 0.6 kg body weight) was estimated simultaneously using the ^sup...