ANTIMICROBIAL EFFECTS OF VAPOR PHASE THYMOL, MODIFIED ATMOSPHERE AND THEIR COMBINATIONS AGAINST SALMONELLA SPP. ON RAW SHRIMP by SIYUAN ZHOU A thesis submitted to the Graduate School- New Brunswick Rutgers, The State University of New Jersey In partial fulfillment of the requirements For the degree of Master of Science Graduate Program in Food Science Written under the direction of Dr. Kit L. Yam And approved by _______________________ _______________________ _______________________ New Brunswick, New Jersey OCTOBER 2013