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Diet and nutrition are closely related to our diet and health, but the content and essence are not exactly the same. In order to distinguish between the two, we start with some basic concepts of food science and nutrition.
- Food and food:
From agricultural products, aquatic products, and animal husbandry products to food, it is a basic raw material production and processing process in large agriculture (agriculture, forestry, animal husbandry, sideline fishing). It can be said that the final product generally maintains the original flavor of the raw materials, so it is called food. After the Agricultural Revolution and the Industrial Revolution, processing industries emerged, and therefore, food became food. This second process includes three levels of food roughing, finishing, and super finishing;
- Ingredients and medicinal materials:
Ingredients are what nutritionists and chefs in the gourmet industry say about the food or food that is about to enter the kitchen or on the table, and ingredients are food or food that has been processed by the kitchen. Medicinal materials are the term for foods with medical curative effects in China's special "medicine and food with the same root". In the food industry and pharmaceutical industry, it is usually referred to as medicated diet. Medicinal food, in short, is a delicacy made by combining medicinal and food ingredients. In the Chinese diet, many foods are both ingredients and medicinal materials. Therefore, the ancients have long said that "medicine and food have the same root, and medicine and food have the same root";
- Diet and nutrition:
The concept of nutrition. Human dietary sources are divided into 9 categories: grains, nuts, fruits and vegetables, roots, beans, meat, eggs, milk, and aquatic products. Human nutrition comes from 8 basic nutrients: carbohydrate, fat, protein, vitamins, cellulose, minerals, water, and antioxidants. Therefore, we can simply distinguish between diet and nutrition: diet is more based on the types of food ingredients, focusing on the biological characteristics of the food ingredients, and the visible appearance, while nutrition is more from the food ingredients. In terms of biomolecules, the focus is on the physiological and biochemical functions and molecular structure of food ingredients.
If we expand on the concept of nutrition,The basic nutrients needed by humans can also include quantum energy and timing. Humans absorb and utilize the eight basic nutrients through the digestive system (including oral cavity, esophagus, stomach, small intestine, large intestine, liver, kidney, endocrine, etc.), while the absorption and utilization of quantum energy and timing is Through the senses, body, brain, etc. For example, music is a kind of basic nutrient quantum energy, which the human body can absorb and use through ears, skin, bones, cerebral cortex and other parts; 24 solar terms is the timing of a basic nutrient, the human body can use vision, smell, skin, brain , Biological clock, respiratory system, blood circulation system, endocrine system and other parts of absorption and utilization.
- Nutrition and Nutritional Medicine:
Nutritional medicine includes three parts: food science, nutrition, and modern medicine. Among them, food science includes agricultural production, animal husbandry production, aquatic production, food transportation, food processing, food preservation, food hygiene, food safety, cooking technology, etc.; nutrition science includes nutritional chemistry, nutritional physiology, biochemistry, public nutrition, diet Nutrition, traditional Chinese medicine diet, etc.; modern medicine includes medical testing, nutrition testing, health examination, drug dosage, surgical anesthesia, vaccine use, medical diagnosis, clinical nutrition, rehabilitation programs, gene therapy, etc. These contents are all covered by nutritional medicine.
So, what does a balanced diet mean?
Dietary balanceMainly refers to the absorption and utilization of food ingredients by the human body within a certain period of time, as far as possible to maintain a balance on the basis of rich types or varieties, can eat 9 types of dietary sources, not partial or picky eaters; not each One-ninth, but according to one's own age, physique, occupation and health status. For those who are not partial or picky eaters, some people suggest 25-50 kinds per week. This kind includes seasonings and condiments. The "specified time" mentioned here actually refers to the age, occupation, physique, and health status of a specific individual. For example, teenagers, athletes, patients with gastrointestinal diseases, etc., they have different choices of ingredients for the 9 major types of meals. They need to be relatively special in type or variety as much as possible, and they may also have special cooking methods. Government agencies, hospitals, schools, companies, farms, factories, catering and catering divisions, have such professional knowledge and professional skills.
Nutritional balanceIt mainly refers to the absorption and utilization of basic nutrients by the human body within a certain period of time, keeping a balance as much as possible on the basis of abundant types or varieties. You can ingest 8 types of basic nutrient sources, and you are not partial or picky eaters. Similarly, instead of taking one-eighth each, but matching them according to their age, physique, occupation and health status, such as drinking water, how much to drink every day, different ages or occupations, there are suggestions for serving sizes, and more types of suggestions. , Is it mineral water, sea salt water, lemonade, tartary buckwheat tea, etc. "Specific time" also refers to phases. The human body has changes in its nutritional requirements at different stages, such as calcium deficiency, iron deficiency, and collagen deficiency. The not partial eclipse or picky eater here means to adjust according to age, season and biological clock. Nutritionists and health managers have such expertise and professional skills. Nutritional balance can be assessed with a nutrition tester, while dietary balance is not assessed by a tester.
Regarding the specific dietary balance, some people will understand that every meal must be balanced, including 9 types of foods or 8 types of nutrients; or at least 9 types of foods or 8 types of nutrients every day. These understandings are relatively one-sided. In actual life, most people have their own eating habits and professional places, and it is impossible to meet such dining conditions. The so-called dietary balance can generally be balanced within 3-6 days or within 1-2 weeks; while the so-called nutritional balance can be balanced within 2-3 days, or 1 week It is also possible to achieve balance within. In the short term (such as 1-3 months), it is permissible that dietary balance and nutritional balance cannot be achieved due to some reasons. Generally, there will be no nutritional imbalance, except that water must be guaranteed. If the dietary balance or nutritional balance is disrupted for more than 3 months, there may be nutritional imbalance and a series of sub-health problems, because most of the cells in our body are renewed for almost 3 months.
In short, dietary balance belongs to nutritionFuzzy nutrition, Nutritional balance belongs to nutritional medicinePrecision Nutrition; The former is more concerned about the types and cooking of food ingredients, while the latter is more concerned about the quantity and efficacy of food ingredients. For example, in nutritional balance, if calcium is lacking, it is necessary to determine how much calcium should be supplemented every day, which other nutrients need to be combined, and which nutrients or diets that cause calcium loss or prevent calcium absorption to avoid; while in dietary balance, you may only need to pay attention Seaweed bone soup, or stir-fried meat with mushrooms and vegetables, or yogurt and walnut milkshake, etc., to suit the individual's taste and dining habits.
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Huizhou Million Dragon Health Project Dr. Kyle Long, registered dietitian, registered health manager,-sincere, clear, efficient, FAH financial and health quotient education Chelsea98.com