营养与食品卫生学（Nutrition and food hygiene）.doc

营养与食品卫生学（Nutrition and food hygiene） Nutrition and food hygiene Introduction 1. nutrition: the study of human nutrition laws and improvement measures of science. Food nutrition is a study 2. nutrition: it is the process that human beings take food (food) from the outside to satisfy their physiological needs. Refers to the human body to absorb and use food or nutrients process, but also through human intake of food to meet the physiological needs of the biological process. 3. nutrients: substances that are essential for the body to maintain normal growth, development, reproduction, and healthy life. Human beings in order to maintain the normal physiological function and meet the needs of labor and work, daily intake from the external environment must be the necessary material, in addition to air and water, but also by various food diet, get all kinds of nutrients the body needs, to meet the normal growth and development of body, need to work, and The new supersedes the old. labor, the the nutrients are called nutrients, is to ensure that the foundation of human health. 4. reasonable nutrition: refers to the cooking process reasonable diet and science, to the body to provide an adequate amount of energy and various nutrients, and keep the balance between the various nutrients, to meet the bodys normal physiological needs, maintain human health. 5. food hygiene: the study of harmful factors that may exist in food and threaten human health and its prevention measures, improve the quality of food hygiene, and protect the safety of food science. Nutrition and food hygiene is a discipline that studies the relationship between food, nutrition and human health. This discipline has a strong scientific, social and practical, and closely related to the national economy and the peoples live