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cattle diet. Eventually it was found necessary to resort to rats to solve the
problem of cereal differences.
I Today the successful isolation and synthesis of many of the
substances has proved that vitamins are organic chemical compounds to
be present in the diet for the maintenance of^n&tlf and health.
Vitamins are substances to be found in certain foods which are nec-
essary for the growth, development and general health of the body.
There are several different kinds of these protective substances to be
provided in the diet. To make sure our bodies get all the vitamins they
need, it is best to include several different vitamin-containing foods in the
diet. Such foods include milk and many of the products made from и, all
the green leafy vegetables like spinach, cabbage, lettuce, other Iresh
vegetables, fruit and fruit juices, whole-grained cereals, eggs and a
number of others.f
When we plan a nutrition program for any person, young and old, well
and ill, we must know certain foods are the best sources each body
requires.
1.
Vitamin A: fruits and vegetables, cream, butter or margarine, eggs
and liver.
2.
The Вvitamins: yeast, liver, whole-grained breads and cereals, milk,
meat.
3.
Vitamin C: orange or grapefruit juice, any fresh raw fruit or vege-
table, ascorbic acid tablets if needed.
4.
Vitamin D: fish-liver oil or vitamin-D capsule.
5.
Vitamin E: soy-bean oil, vegetables oils.
6.
Vitamin K: is produced by intestinal bacteria. The diet must be
adequate in milk and unsaturated fatty acids and low in refined car-
bohydrates; intestinal bacteria are increased by eating yogurt.
7.
Vitamin P (rutin): citrus fruits, especially lemons.

f
Lesson 16 ❖ 141
8.
Calcium: milk, yogurt.
9.
Phosphorus: milk, eggs, cheese, meat.
10.
Iron: liver, yeast, meat, bread and cereals.
11.
Proteins: yeast, milk, yogurt, cheese, meat, fish, eggs.
12.
Liquids: milk, fruit, juices, soup, water.
Experts in the study of foods are constantly conducting experiments.
They are making their discoveries public from time to time for such
knowledge enables us to select the proper foods in order to protect us
against the diseases.
.
1.6 i o:
Notes
1. rice polishings шелухариса
Упражнение 5. 1) Найдите в тексте предложения, более полно
выражающие мысль данных суждений, и прочтите их.
1. К. Punk has extracted a substance capable to cure beri-beri. 2.
Vitamins are organic chemical compounds to be present in the diet. 3.
Vitamins are found in certain foods. 4. Certain foods are the best sources
each body requires. 5. VitaminК isproducedbyintestinalbacteria.
2) Передайте основное содержание текста, используя
предыдущее упражнение в качестве плана.
Часть III
Контрольно-обобщающие упражнения к уроку 10
Упражнение 1. Найдите и переведите предложения, в которых
инфинитив выполняет роль определения.
1. The secret of a proper diet depends much on the ability of the cook
or dietician to prepare and serve meals which are palatable and tasty to
the individual. 2. Average intake of protein to maintain nitrogen equi-
librium is 42 grams per day. 3. Practically all the chloride to be involved in
metabolism enters and leaves the body in combination with sodium. 4. In
order to use this drug you must consult your doctor. 5. In an experiment
to measure the sensitivity of the reaction good results were achieved.

142<>Learning to Understand a Medical Text
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(Ответ: 1, 2, 3, 5. Если вы ошиблись, повторите § 25 Граммати-
ческого справочника.)
Упражнение 2. Найдите и переведите бессоюзные придаточные
предложения: а) определительные; б) дополнительные.
1. When the man smells something he likes to eat, the gastric juice is
poured out in large quantities. 2. We know vitamin B, is widely distributed
in nature occurring in most foods. 3. The cells select the amino acids
they need and use them to construct new body tissue and such vital
substances as antibodies, hormones, enzymes and blood cells. 4. The
food we take and the air we breathe often contain poisonous substances
and pathogenic microorganisms. 5. Chemical studies have shown
vitamin D is exceedingly stable as regards oxidation and heating. 6. The
four parts the pituitary consists of perform several functions and produce
several secretions.
(Ответ:a) 1,3, 4, 6; 6) 2, 5. Если вы ошиблись, повторите § 32
Грамматического справочника.)
Упражнение 3. Укажите, в каких предложенияхfor:а) союз; б)
предлог. Переведитеэтипредложения.
1. The ordinary intake of vitamin A by most adults is sufficient to
maintain their health in good condition for administration of this vitamin
decreases the susceptibility to the «common cold» (or lessens its
severity). 2. Scientists have studied the deficiency diseases for many
years. 3. The importance of vitamin D for growth and nutrition was
established as a result of a series of discoveries. 4. The cell is not
isolated
CALCIUM
IRON
Milk
Beans
Cheese
Wholewheat
Yoghurt
bread
Leafy green
Dried fruit
vegetables
Cocoa
Wholewheat
Nuts
bread
Leafy green
Potatoes
vegetables
Yeast

144<>Learning to Understand a Medical Text
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(b) 1 г^Й^Ю
//и
УУ
1
\ 1» \
- \ \ *
1/i-o
Vit. A
B,
B
2
B
3
B
6
B12 Folic
acid
Vit. С
Vit. D
Vit. E Vit. К
Carrots
Spinach
Parsley
Butter
Margarine
Yeast
extract
Peanuts
Bran
Oatmeal
Almonds
Cheese
Wholewhe
at
bread
Dried
Yeast
extract
Peanuts
Wholewhe
at bread
Bran
Whole-
wheat
bread
Yeast
Eggs
Cheese
Yeast
extract
Milk
Yeast
extract
Bran
Spinach
Oranges
Grapefrui
t
Spinach
Cabbage
Black
Eggs
Cheese
Butter
Margarine
Almost
all foods
Green,
Vege-
tables
Dried
apricots
Cheese
flour
Wholewhe
at
bread
Peas
peaches
Mushroom
s Beans
Dates
Mushroom
s
Beans
Dates
extract
Hazel-nut
s
Bananas
Peanuts
Currants
Yoghurt
Butter
Peanuts
Almonds
Hazel-nu
ts
currants
Parsley
Strawber
ries
Sunlight
enables
the body
to make
Vft. D. in
the skin.
Vegetarians can get
lots of calcium and iron
in their food ... LOOK!
And here are some of the
foods where you can find the
vitamins you need!