“…DHAP as dimethyl ketal, FDP, GSH, and NADH were obtained from Boehringer (Mannheim). GAP as diethyl ketal, DTNB, and DTT were purchased from Sigma Chemical Co. Ethyl 3,3,3-trifiuoropropionate was prepared by Dr. Lantz (ATOCHEM, Lyon), hydrolyzed to the acid (Peters et al, 1971), and transformed to the corresponding acid chloride by action of phosphorus pentachloride (Henne et al, 1955).…”