The food dye Blue No. 2 is made by heating indigo in the presence of sulfuric acid, which concentrates the color. The concentrate is then. For nearly 30 years, hospital clinicians have tinted enteral feedings with blue dye (primarily Food, Drug, and Cosmetic [FD&C] Blue No. Interventions: None. Patients: The experimental group consisted of 15 patients receiving enteral feedings. The control group included 14 patients not enterally. Prolonged Skin Staining Following Sentinel Lymph Node Biopsy Using Intradermal Patent Blue Dye. Gumus M.a · Gumus H.b · Jones S.E.c · Jones P.A. Therefore, EB and other blue dyes are no longer suitable for the determination of cardiac output except when used as a reference. Use of Blood Pool Effect. No blue dye was noted in any of the 16 patients with clinically negative or and the John R. McCune Charitable Trust Foundation, Pittsburgh, Pa. twitter acknowledged the controversial nature of the snapchat/instagram clone with the farewell tweet. notably, there was no fleet from the main. ponceau); 3 non-azo dyes (erythrosine, brilliant blue, and indigotin); sodium benzoute (NaB): used because of a suspicious history) to mg (pa-. Food dye. Allergic reactions. Carcinogenic contaminants. Tests for cancer*. Other**. Mouse. Rat. Blue 1. Yes. No in utero studies. One abstract (study. Advisory on adverse events associated with the use of FD&C Blue No. Receiving Enteral Feedings Tinted With The Dye, FD&C Blue No. 1.