Catsup Catsup bottle with cap-stand MEANS FOR DRAINING CATSUP BOTTLES Letter: "Tomato-catsup"fundus in Sturge-Weber syndrome Molds and tenuazonic acid in fresh tomatoes used for catsup production. Phenotypic Variation and Natural Selection at Catsup, a Pleiotropic Quantitative Trait Gene in Drosophila The catecholamines up (Catsup) protein of Drosophila melanogaster functions as a negative regulator of tyrosine hydroxylase activity. A comparison of carotenoid content and total antioxidant activity in catsup from several commercial sources in the United States Molecularly imprinted microspheres as SPE sorbent for selective extraction of four Sudan dyes in catsup products Protein trafficking abnormalities in Drosophila tissues with impaired activity of the ZIP7 zinc transporter Catsup.