Food Microbiology, Food Chemistry, etc. In general, food science and engineering examination subjects food microbiology, food chemistry, food nutrition, etc., in which food microbiology is the study of food microbial species, number, growth, metabolism and other aspects of the discipline, candidates need to master the common types of microorganisms in the food, microbial growth conditions, microbial impact on the food, etc.; Food Chemistry is the core of the food science and engineering examinations One of the subjects, mainly to examine the candidates on the composition of food ingredients, properties, changes and interactions and other aspects of the degree of mastery, as well as the quality and safety of food to ensure and improve the understanding.