1. Chemical Determinants of Sourness and Related Attributes Restricted (Penn State Only) Author: D'Andrea, Astrid Title: Chemical Determinants of Sourness and Related Attributes Graduate Program: Food Science Keywords: citratecitric acidcounterionlikingpHtitratable acidityorganic acidslactic acidmalic acidfumaric acidtartaric acidperception File: Login to Download Committee Members: Helene Hopfer, Thesis Advisor/Co-AdvisorRyan John Elias, Committee MemberRobert Roberts, Program Head/ChairJohn Hayes, Thesis Advisor/Co-Advisor