Marcos, Pineda Pungency evaluation of onion cultivars from the Venezuelan West-Center region by flow injection analysis-UV-visible spectroscopy pyruvate determination. [electronic resource] - Talanta Dec 2004 - 1299-303 p. digital Publication Type: Journal Article ISSN: 1873-3573 Standard No.: 10.1016/j.talanta.2004.05.014 doi