This volume contains monographs prepared at the eighty-fourth meeting of the Joint FAO/WHO Expert Committee on Food Additives (JECFA), which met in Rome, Italy, from 6 to 15 June 2017. The toxicological and dietary exposure monographs in this volume summarize the safety and/or dietary exposure data on eight specific food additives: Brilliant Blue FC; sz-carotene-rich extract from Dunaliella salina; Fast Green FCF; Gum ghatti; Jagua (Genipin-Glycine) Blue; metatartaric acid; tamarind seed polysaccharide; and Yeast extracts containing mannoproteins.