TCA

TCA may refer to:

==Chemistry and biochemistry== Toxin complex a, an insecticidal toxin complex produced by Photorhabdus luminescens bacteria Tricarboxylic acid cycle, an alternate name for the citric acid cycle pathway in cellular metabolism Trichloroacetic acid, chemical used to precipitate protein in serum 2,4,6-Trichloroanisole, cause of cork taint in wine Tricyclic antidepressant, a class of medications TCA, a codon for the amino acid serine