Food nutrients include five categories: protein, lipids, carbohydrates, vitamins and minerals. The protein is livestock milk, such as cow's milk, goat's milk, mare's milk, etc.; the lipids are lard, butter, mutton oil, butter, soybean oil, rapeseed oil, peanut oil, sesame oil, egg yolk, etc. The diet of the 1990s focused on eating quality. This was a period of rapid social development, and the variety and quality of dishes reached their peak in history.

Food refers to substances that can meet the body’s normal physiological and biochemical energy needs and extend normal life span. For the human body, substances that can meet the needs of normal life activities and help extend life are called foods.

The importance of dietary health from the perspective of dietary changes

1. In the 1980s, diet focused on "eating taste"

In this era, people's living standards have also improved Significantly improving, from a relatively single vegetable to a variety of vegetables, the food on people's dining tables has gradually become richer, and coarse grains have slowly disappeared from the dining table. Fine grains have become people's first choice on the dining table. They can often be seen on the dining table. Vegetables such as kale, fungus, luffa, tomatoes, fresh mushrooms and snow peas, as well as seafood and other meat products, have also appeared on people's tables. At this time, people pay more attention to the "eating taste" of food.

2. The diet of the 1990s focused on "eating quality"

At the end of the 1990s, people no longer satisfied with family diet but chose restaurants to taste different delicacies, such as Precious ingredients such as abalone, sea cucumber, and bird's nest have also become frequent guests in people's daily diet.

Special delicacies from all over the world have also entered the country. People can taste the food of various countries. This is also the gluttonous era of Chinese food. At this time, people's requirements for food are more "eating quality", and people can taste rich food. When eating delicious food, it is also accompanied by many bad eating habits, which pose a threat to people's health.

3. The 21st century diet pays attention to "eating healthily"

With the increase in bad eating behaviors, people are gradually realizing the importance of healthy eating, and dietary choices are beginning to return to natural health. In the direction of food, there are also many requirements for food ingredients, focusing on the freshness, nutrition and health of vegetables, meat, fruits and other ingredients.

The reason why people pay attention to health in their diet is that in addition to the health problems caused by bad eating habits, there are also many impacts caused by food safety, such as additives, fraud, poor production environment, etc. Green And healthy eating has become a common concept among people.