Tuna has appeared under threat of extinction because of Europeans and Americans love to sushi. The meeting of scientists with representatives of 13 countries consuming most of all of tuna took place in Japan.

The basic problem became the constant excess of quotas on fishing which is caused by a growing demand for components for sushi. Especially seriously this demand has grown after a plenty of the fast food restaurants specializing on the Japanese cuisine appeared in the world.

The additional complexities for Japan are created the increasing population of China: Chinese consumers buy a high-quality tuna at prices which are too high for Japanese.

In Europe and USA there are frequent complaints of restaurants visitors to an indisposition after the use in food of badly prepared dishes of the Japanese cuisine. Representatives of JR Organization which is engaged in promotion of the Japanese restaurants outside the country have promised to allocate means and experts for improvement of cooks’ professional skill.

Representatives of USA in the International Commission on Preservation of the Atlantic Tuna consider that a temporary interdiction on tuna fishing is a unique output from the developed situation.

It is all known, that the best source of vitamin C is fresh fruit and vegetables. However researches have shown that the absolute champions on an ascorbic acid are walnuts. The contents of this vitamin in them is 8 times more, than in a black currant, and in 50 (!) times more, than in citrus.

Experts declare, that all diets which only could be created, already for a long time are created. That the hobby for diets is the phenomenon, characteristic not only for our present, speak the following facts.

The old Egyptian papyrus concerning to 1550 B.C. contains the description of the strict diet consisting only from wheat grains and palm trees fruits. It intended to diabetics of that time.

In 1830 a new interpretation of the adiposity problem appear from preacher Silvestera Graham who considers adiposity as the divine penalty for infringement legal limits in satisfaction of the food needs.

William Banting, the native of Britain, having felt on itself productivity of refusal of flour and sweet products which has made him more harmoniously, in 1850 writes the book, devoted to loss of flesh questions.

1870 is the time of occurrence of terms: proteins, fats and carbohydrates, and also introductions in a lexicon of such concept as caloric content peep. And all it is owe to work of then chemists.

«Diet and Health» — is the name of the book which has appeared in 1917. It contained the first system of calories calculation.

This fat-soluble vitamin is a little allocated from the common number of vitamins. First, unique actions in a person organism are inherent in it, secondly, it is not simply to receive its sufficient quantity from natural food, and thirdly, there is its deficiency almost in each diet. And meanwhile it not only keeps health of bones, but also reduces risk of development of some kinds of a cancer, prevents hypertension, a multiple sclerosis and even schizophrenia.

In 2007 meta-analysis of eighteen serious scientific researches has shown, that vitamin D helps people to live longer. Together with calcium vitamin D plays the important role in strengthening bones. Also it supports muscular force.

Recommended dozes of vitamin D depend on age: from 19 till 50 years – 200МЕ a day; from 51 till 70 years – 400МЕ; and over 71 years – 600МЕ. And some experts recommend consuming even not less 1000МЕ of vitamin D a day. You can receive vitamin D from sea fish, food additives, and also be under the sun more often.

Many concern to cubes and soups of instant preparation with a bias, and in vain. A basis for their manufacture is glutaminic acid and its alkali salt. These substances possessing salty taste and meat aroma, are called in China “whey of mind”. It appears, that glutaminic acid connects and deduces ammonia molecule from an organism. Ammonia molecules are formed at digestion of albuminous food. At its shortage ammonia poisons nervous cells, causing infringement of impulses transfer, easing of memory and mental frustration. By the way, for a long time glutaminic acid is used in medicine for treatment of the central nervous system frustration.