The nutritional value of black fruit 
| 18 August 2010
Avoid drinking cold milk in summer Hot summer, many people have chosen the easy and cool, like to drink cold milk, is actually harmful.
Nutrient-rich milk, contains protein, casein, followed by lactalbumin and lactoglobulin. Because of high summer temperatures, the milk is a good medium for bacteria, boiling the milk after a few hours after cooling, will be bacterial contamination and reproduction, easy to cause intestinal disease after drinking. Therefore, the summer should not drink cold milk, or drink hot milk is better. Because the hot milk not only kill the bacteria, and also the milk protein denaturation, more conducive to the body's digestion and absorption.
Avoid milk and milk cook
Milk and soy milk are high nutritional value of food. Some people think that drinking milk and soy milk mixture cook-can play a complementary role in enhancing the nutritional value. In fact, this is not science. This is because soy milk contains trypsin inhibitor, can stimulate the gastrointestinal and inhibit trypsin activity. This substance, be at 100 ℃ environment, after a few minutes to be destroyed. Otherwise, without fully boiled milk, food poisoning after the vulnerable people. The continuous high temperature milk if boiled, it will destroy the milk protein and vitamins to reduce the nutritional value of milk is actually a waste. Therefore, milk and milk should not Gong Zhu.
| 18 August 2010
In nature, any food may contain a variety of nutrients needed by the body, but requires a reasonable nutrition the human body contains all the necessary nutrients, which requires full use of a variety of natural food form nutrients complete variety of sufficient proportion of appropriate diet, this diet quality and quantity to meet the person's physical, life, study, work on nutritional needs, namely a balanced diet.
1, to meet the body needs energy and nutrients
These substances not only to maintain body metabolism, growth and repair tissue and other necessary basic life activities, but also to meet the learning process of life consumption of the body in regulating various physiological functions and the need, if inadequate intake of energy and nutrients, or intake unchanged, but because the body changes in physiological or pathological conditions, requirements need to increase or decrease, such factors may cause the body of food secondary to a range of functional changes found in various clinical conditions, the cause nutritional deficiencies or too more disease.
2, food must be non-toxic harmless to human body
Food harmful factors in addition to acute food poisoning caused by poisonous animals and plants, a variety of microbial pathogens and chemical toxicants, the for food, pesticide residues, food additives and mycotoxin contamination, more and more attention. Therefore, the body can be met despite the energy and nutrition needs, but, if this diet contained toxic substances over the body to allow the intake, it is not only not meet the basic requirements of rational nutrition, but hazardous to health.
3, through the system with easy digestion and absorption of the food processing
Reduce nutrient loss, careful selection and preliminary processing of food, then cooked-production, food processing into delicious meals, how best to protect nutrients during processing reduce the losses, so that nutrients contained in food as much as possible by the human body use.
4, dietary diversity, color, smell and taste to support taste, there is a certain satiety
To dietary diversity and have the color, smell, taste, nutrition, well-shaped sensory properties, can cause digestive gland secretion, promote appetite, increase food digestion and absorption, with the feeling of satiety, talent can be assured of work and learning, Bu Zhiyu disturbed by hunger.
5, to establish a rational system of diet and appropriate eating environment
Food system, reasonable, good dining environment, pleasant dining mood, then to fit people's eating habits and preferences, of course, is required.
