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  The nutritional value of milk and dairy products. Comparison of nutritional value and chemical composition of different types of milk.

Yes, a cow is also meat; but first of all it is still milk. Amazing and priceless work of nature. Hippocrates rightly said: " Milk  is an almost perfect food. ” And academician I.P. Pavlov wrote: "Between varieties of human food, milk is in an exceptional position - food prepared by nature itself."

The nutritional value of cheese depends mainly on. Cheese can be classified in several ways. For their consistency, measured by the degree of humidity, they are classified as follows.

  • Soft or fresh cheeses contain up to 80% water.
  • Hard cheeses containing only 30% moisture.
They are obtained by kneading or stretching the rennet, which gives them a flexible texture.

Mozzarella and provolon and katsiotta - these are pasta cheeses. They drain cheeses without healing or yeast. Not ripened should be consumed quickly. They are soft at times acidic in taste. Cottage, mascarpone, cottage cheese - fresh cheeses. Ricotta is a ricotta in South America.

Depends on the content of fat, protein, milk sugar, vitamins, enzymes and other nutrients. IN cow's milk  contains (in percent) - dry matter - 12.5; fat - 3.8; total protein - 3.3; milk sugar - 4.7; mineral salts - 0.8. For comparison: the composition of human milk, respectively - 13.0; 3.5; 1.1; 7.5; 0.9.

In total, milk contains about 200 different components. Very detailed about the composition of milk The USSR State Prize laureate writer V. Chivilikhin wrote: “... When we drink a glass of milk, we only firmly know that it is tasty and nutritious, and we don’t even think about its other subtle properties or, especially, the composition of this wonderful and valuable food product. It is well known that there is fat in milk, but few people know that it consists of many different acids - butyric, lauric, meristic, palmitic, caproic, caprylic, capric.

These are soft cheeses made from natural bark, fully or partially with goat milk. Most of them are made from cow's milk and goat's milk to make them soft and creamy. They are more intense and whiter than a cow. Made from pressed cheese, melted and added milk, cream or butter, stabilizers, dyes and other additives.

Depending on the amount of cheese they contain, they are called melted cheese, cream cheese or cream cheese. Cheddar, emmental and gruyeres are melted cheese. They are cured, merged and molded cheeses, but not pressed or cooked. They are in due time, when the paste is creamy and even, and the bark remains soft.

Milk producers  usually chasing fat, and its percentage is the main characteristic of the product. Meanwhile, the most useful part of milk is a combination of casein, albumin and globulin proteins, which are an amazingly complex combination of substances, from one even incomplete listing of which can cause a headache: leucine, proline, valine, lysine, tyrosine, arginine, histidine, tryptophan, alanine, serine, glycine, methionine, cystine, threonine, isoleucine, hydroxyproline, phenylalanine, glutamine, asparaginic, dodecanoalic, hydroxyglutamine and other amino acids that make milk proteins of the main pita Yelnia value of the product. And the secret lies in the order of combination of all these different and complex substances, the slightest violation of which gives completely different proteins with other properties or gives nothing protein.

Others wash the bark with brine, such as muenster, pont-levek and bel-passe. These are cheeses without pressing or baking, with molded rennet. They have an intense aroma, strong taste, sometimes spicy and crumble easily. They are especially rich in salt or sodium.

Roquefort, Gorgonzola, Beau de Bres, Danabla and Stilton are the most famous. They press raw cheeses, which go through a long healing period, in a cool and humid environment. These are cheeses that should not be fragile, and the part close to the bark should be darker.

Cheddar, cantaloupe, reklohon, gouda, colonite, tome, Monterrey-Val - semi-hard cheeses. They are pressed and cooked cheeses, usually of a solid texture, although sometimes they are granulated like parmesan. They contain a maximum of 35% moisture. They have a uniform consistency, color and stable bark. They should not be curved, dry, with cracked bark, pasty or very grainy.

In the molecular protein cipher lies one of the greatest secrets of life, and it is not without reason that scientists all over the world have been fighting for many decades, and so far without success, to create a complete artificial protein. Of course, private milk consumer  I don’t have to know all these chemical wisdom, I want to create for him only a general idea of \u200b\u200bthe extraordinary complexity of such a familiar food product.

In Spain, there are 28 varieties of cheese with a protected name of origin or a protected geographical indication. Cow's milk has been a common component of the human diet since childhood. In response, the company said on Tuesday that to avoid confusion, it would remove the cow label from its “evaporated milk, partially skimmed with soy milk, maltodextrin, vegetable fat, minerals, and fortified vitamins.” What are the dairy ingredients of the main producers of Peruvian dairy products?

Whole milk, sugar, cocoa powder, stabilizers, salt, chocolate flavor, phosphates, sodium citrate, vanillin. Semi-skim milk and enzymatic lactase. Whole milk, sweet whey, stabilizers, emulsifier and vitamins. Whole milk, corn maltodextrin, sweet whey, vegetable fat, flavoring, emulsifier, stabilizers, vitamins and mineral salts. Partially skim milk and sugar. Dairy products, including cheese, are very complete and balanced products due to the richness and diversity of its nutritional components.

The composition of this white oily liquid includes, in addition to the above, enzymes -diastase, lipase, phosphatase, proteinase, peroclidase, reductase, catalase, mineral salts, including cations: potassium, sodium, calcium, magnesium, zinc, aluminum, copper, iron , manganese, iodine, silica, fluorine, anions, phosphates, chlorides, sulfates, nitrates, carbonates; traces of nitrogenous substances - creatine and creatinine, xanthine and hypoxanthine, choline, trimethymine, methylguamidine, urea, theocinic and uric acid, vitamins, salts in colloidal suspension, gases - dissolved oxygen, nitrogen, and carbon dioxide, which occupies a tenth of the volume in the cow udder milk ... ”Milk contains lactose, or milk sugar.

They are considered staple foods and one of the pillars of the diet, as they have excellent nutritional qualities that contribute to meeting the energy and nutritional needs of various population groups. This important prospective study reflects the effect of milk calcium intake on protection against cerebrovascular disease and adds scientific evidence to support the desirability of increasing dairy intake, especially in populations that are less than the recommended amount, to achieve greater protection against shock.

Lactose  is one of the main parts of the "juice of life." She is involved in the nutrition of the brain, the development and growth of the central nervous system of a person.

Milk  - It is an ideal food for babies, baby animals. Milk is necessary for a person at any age. “Milk and cheese,” writes American scientist Isaac Asimov, “is the main source of calcium ions in our diet.” That is why milk is so necessary for children, bones grow in them, and calcium ions are their most important component. Adults cannot do without calcium. ”

A cardiologist and primary care physician are professionals who are directly involved in a healthy diet for the heart. Therefore, their knowledge and ability to transmit adequate nutritional recommendations is necessary to enhance cardiovascular health.

It is advisable to follow the nutritional recommendations reflected in the food pyramid adapted to Spanish reality. For adults, the recommended number of servings is 2-3 servings per day of dairy products. For this reason, they are considered one of the pillars of the diet, both in childhood and in adolescence, as well as in adulthood. Dairy products are foods that are especially rich in protein and easily digestible calcium, which can satisfy the adult's energy needs. The large contribution of calcium provided by dairy products is remarkable not only in quantity but also in bioavailability.

Swedish scientist Nils Gustavson jokingly exclaimed: “If you drink daily for 1200 months per liter of milk per day, consider that you are provided with 100 years of life! ” By the way, centenarians confirm this.

From milk make butter, sour cream, yogurt, kefir, acidophilus, fermented baked milk and other fermented milk products that are very useful for humans. In particular, they regulate the work of the intestine, inhibit the activity of putrefactive microbes. On this principle, the theory of I.I. Mechnikov was developed - extending life with the help of yogurt. In India they still say: "Drink sour milk, and you will live a long time." The biological value of milk protein is extremely high. It has a complete set of essential amino acids, and in the human body, these acids themselves do not form.

They, given their high digestibility and biological value, are defined as high-quality proteins. Milk proteins, after the action of lactic bacteria during fermentation, cause bioactive peptides with possible antihypertensive, antioxidant, immunomodulatory and antimicrobial effects.

The lipid constituents present in dairy products, such as butyric acid, sphingomyelin and conjugated linoleic acid, may have cardioprotective effects. A wide variety of dairy products will make it possible to adapt dairy products that best meet the needs of each person.

By the number of essential amino acids, milk surpasses all other food products. The daily human need for essential amino acids and their content in milk. Consuming 0.5 kg of milk per day, a person receives a total energy of 13% (at a rate of 2500-3000 kcal), protein - 27%, calcium - 75%, phosphorus - 66%, potassium - by 33%, vitamins A and B2 - by 50%.

Dairy products have very good qualities to become functional products that, while maintaining the sensory attributes of traditional foods, provide health benefits such as cardiovascular disease, in addition to the usual nutritional effects.

Among the benefits of dairy products for cardiovascular health, we can refer to their help in maintaining weight and decreasing the percentage of body fat, promoting a better nutritional balance or protecting against cardiovascular risk factors.

Must indicate that in cow's milk  the ratio of protein to total energy is in a ratio favorable to humans. And further. The biological value of milk protein far exceeds that of other animal products. The main nutrients of milk - fat, protein and sugar - are almost completely absorbed by the human body, respectively, by 95, 96 and 98%. For information: over 70 years of life, a person consumes an average of more than 2.5 tons of protein and about 2 tons of fat. People mostly satisfy the need for fat, but as far as protein is concerned, the need for it is only 70% satisfied.

Source: National Dairy Federation. The nutritional quality of milk and sheep cheese. Currently, the main economic rationale for the production of sheep’s milk is its high solids content, which guarantees its higher cheese yield compared to cow’s milk. However, sheep’s milk is rarely considered food of extraordinary nutritional value, rich in basic nutrients and biologically active principles and with great potential as current and future food in the human diet.

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There are more and more types of animal milk. In general, fat-free and fat-free to enriched with calcium and omega-3, without lactose. And also there is more and more milk of vegetable origin, because people who stop consuming milk of animal origin are increasing. There are several reasons why consumers justify this change: since milk is bad for them, to the belief that it can sit down. Are there objective reasons to think that this is so? There are studies confirming these warnings, but there are others whose results indicate the opposite.

CHEMICAL COMPOSITION AND ANALYSIS OF NUTRITION VALUE

Nutritional value and chemical composition "Pasteurized milk, 1.5% fat".

The table shows the content of nutrients (calories, proteins, fats, carbohydrates, vitamins and minerals) per 100 g of edible portion.

Nutrient number Norm** % of the norm in 100 g % of the norm in 100 kcal 100% normal
Calorie content 45 kcal 1684 kcal 2.7% 6% 1667 g
Squirrels 3 g 76 g 3.9% 8.7% 77 g
Fats 1.5 g 60 g 2.5% 5.6% 60 g
Carbohydrates 4.8 g 211 g 2.3% 5.1% 209 g
Organic acids 0.1 g ~
Water 89.9 g 2400 g 3.7% 8.2% 2430 g
Ash 0.7 g ~
Vitamins
Vitamin A, RE 10 mcg 900 mcg 1.1% 2.4% 909 g
Retinol 0.01 mg ~
Vitamin B1, Thiamine 0.04 mg 1.5 mg 2.7% 6% 1 g
Vitamin B2, Riboflavin 0.15 mg 1.8 mg 8.3% 18.4% 2 g
Vitamin B4, Choline 23.6 mg 500 mg 4.7% 10.4% 502 g
Vitamin B5 Pantothenic 0.38 mg 5 mg 7.6% 16.9% 5 g
Vitamin B6, Pyridoxine 0.05 mg 2 mg 2.5% 5.6% 2 g
Vitamin B9, Folates 5 mcg 400 mcg 1.3% 2.9% 385 g
Vitamin B12, cobalamin 0.4 mcg 3 mcg 13.3% 29.6% 3 g
Vitamin C, Ascorbic 1.3 mg 90 mg 1.4% 3.1% 93 g
Vitamin D, Calciferol 0.05 mcg 10 mcg 0.5% 1.1% 10 g
Vitamin H, Biotin 3.2 mcg 50 mcg 6.4% 14.2% 50 g
Vitamin PP, NE 0.8 mg 20 mg 4% 8.9% 20 g
Niacin 0.1 mg ~
Macronutrients
Potassium, K 146 mg 2500 mg 5.8% 12.9% 2517 g
Calcium Ca 120 mg 1000 mg 12% 26.7% 1000 g
Magnesium, Mg 14 mg 400 mg 3.5% 7.8% 400 g
Sodium, Na 50 mg 1300 mg 3.8% 8.4% 1316 g
Sulfur, S 29 mg 1000 mg 2.9% 6.4% 1000 g
Phosphorus, Ph 90 mg 800 mg 11.3% 25.1% 796 g
Chlorine, Cl 110 mg 2300 mg 4.8% 10.7% 2292 g
Trace elements
Aluminum, Al 50 mcg ~
Iron, Fe 0.1 mg 18 mg 0.6% 1.3% 17 g
Iodine, I 9 mcg 150 mcg 6% 13.3% 150 g
Cobalt, Co 0.8 mcg 10 mcg 8% 17.8% 10 g
Manganese, Mn 0.006 mg 2 mg 0.3% 0.7% 2 g
Copper, Cu 12 mcg 1000 mcg 1.2% 2.7% 1000 g
Molybdenum, Mo 5 mcg 70 mcg 7.1% 15.8% 70 g
Tin, Sn 13 mcg ~
Selenium, Se 2 mcg 55 mcg 3.6% 8% 56 g
Strontium, Sr 17 mcg ~
Fluorine F 20 mcg 4000 mcg 0.5% 1.1% 4000 g
Chrome Cr 2 mcg 50 mcg 4% 8.9% 50 g
Zinc, Zn 0.4 mg 12 mg 3.3% 7.3% 12 g
Digestible carbohydrates
Mono- and disaccharides (sugars) 4.8 g max 100 g
Sterols (Sterols)
Cholesterol 5 mg max 300 mg
Saturated Fatty Acids
Saturated Fatty Acids 1 g max 18.7 g

Energy value Pasteurized milk, 1.5% fat  makes 45 kcal.

It also depends on the age of the consumer. For example, the American Academy of Pediatrics recommends that children under the age of one year not to consume cow's milk. The European Society of Pediatric Gastroenterology, Hepatology and Nutrition confirms that unmodified cow's milk should not be the main drink in children under 12 months of age. The World Health Organization warns that excessive and too early consumption of unmodified dairy cows places an excessive burden on the kidney and may increase the risk of anemia due to the low iron content in milk and because it causes intestinal blood loss.

  • Glass 250 ml \u003d 250 g (112.5 kcal)
  • Glass 200 ml \u003d 200 g (90 kcal)
  • Tablespoon ("with the top" except for liquid products) \u003d 18 g (8.1 kcal)
  • Teaspoon ("with top" except liquid foods) \u003d 5 g (2.3 kcal)

** This table shows the average norms of vitamins and minerals for an adult. If you want to know the norms taking into account your gender, age and other factors, then use the application “My healthy diet”.
Main source: Skurikhin I.M. and other chemical composition of food products.

Disputes arise over 12 months, because these same organisms advise introducing it, but with nuances. And discrepancies between experts regarding benefits or non-consumption begin to appear, and they are predicted whether or not older people are needed.

According to the Director General of the National Dairy Federation Luis Calaboso, dairy products are very full and balanced due to the richness and diversity of their nutritional components. They are considered staple foods and one of the pillars of the diet, as they have excellent nutritional qualities that help meet the energy needs of various population groups. On the contrary, for David Roman, president of the Spanish Vegetarian Union, although it is true that vegetarians can follow a vegetarian diet that consumes eggs and dairy products, consuming dairy products is unreasonable in terms of health.

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The nutritional value

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BALANCE OF NUTRIENTS

   Most foods cannot contain the full range of vitamins and minerals. Therefore, it is important to eat a variety of foods to meet the body's needs for vitamins and minerals.

More and more nutritionists are questioning the value of dairy products in the light of numerous studies related to their consumption with a wide range of health problems, in many cases contradicting the concept of basic food that is popularly available to them. According to David Roman, there are at least 500 scientific studies that reflect some of the problems associated with milk consumption. Olga Cuevas, a biochemist specializing in nutrition and health, and director of the Barcelona School of Health, Roger de Lloria, says dairy products “have high antigens that deplete the immune system, making it more vulnerable to infections and diseases that are directly related to our the immune system. "

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  • Vitamin B12  plays an important role in the metabolism and conversion of amino acids. Folate and Vitamin B12 are interconnected vitamins that are involved in hematopoiesis. A lack of vitamin B12 leads to the development of partial or secondary folate deficiency, as well as anemia, leukopenia, thrombocytopenia.
  • Calcium  It is the main component of our bones, acts as a regulator of the nervous system, is involved in muscle contraction. Calcium deficiency leads to demineralization of the spine, pelvic bones and lower extremities, increases the risk of osteoporosis.
  • Phosphorus  takes part in many physiological processes, including energy metabolism, regulates the acid-base balance, is part of phospholipids, nucleotides and nucleic acids, is necessary for the mineralization of bones and teeth. Deficiency leads to anorexia, anemia, rickets.

The nutritional value  - the content of carbohydrates, fats and proteins in the product.

Antonio Luis Villarino, president of the Spanish Society of Dietetics and Food Science and professor of biochemistry and nutrition at the University of Complutense de Madrid, notes that the discussion about the benefits or lack of milk consumption is polarized. There is a lot of controversy, he says. For example, there are those who point out that milk consumption can negatively affect cardiovascular diseases, because, according to Sergio Calzamimila, three out of 26 studies show a positive relationship; one, negative and 22, no effects.

Nutritional value of a food product  - a set of properties of a food product, in the presence of which the physiological needs of a person in the necessary substances and energy are satisfied.

Vitamins, organic substances needed in small quantities in the diet of both humans and most vertebrates. Vitamins are usually synthesized by plants, not animals. A person’s daily need for vitamins is only a few milligrams or micrograms. Unlike inorganic substances, vitamins are destroyed by strong heating. Many vitamins are unstable and “lost” during cooking or when processing foods.

 


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