Potato health Benefits And Side Effects || raw potato juice side effects
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Potatoes - like rice - belong to that kind of food that
prepared in different ways satisfies most people. They are familiar because
they like them since childhood and are part of popular dishes that elicit
unanimous applause.
The qualities of the potato (Solanum tuberosum) have taken
it to the top of world crops. Growing in different climates and being consumed
by local populations, it is usually free of the commercial transactions that
take other foods from one end of the planet to the other, which keeps its price
low.
The plant is a nightshade, such as pepper or tomato. Its leaves
produce starch, which travels to the underground stems and accumulates forming
tubers.
In moist and nutrient-rich soil, a plant produces about 20 potatoes, which can weigh up to 300
grams. There is, therefore, no more productive plant food. Once the leaves and
stems wilt, the tubers break off and from each one can leave two to ten shoots
(the "eyes") of new plants.
The first potatoes were grown between 4,000 and 8,000 years ago in the Andes by the ancestors of
the Incas (Tiahuanaco, Moche, Wari cultures ...). It must have been near Lake
Titicaca, where they are still called mama jatha or "mother of
growth."
Potato
Properties
It is one of the most popular foods in the world and a very
reasonable source of energy that gives us more vitamins and minerals and fewer
calories than are normally attributed (80 calories per 100 g if boiled).
200 grams of boiled potatoes provide the 20% of vitamin B1 we need, 14% of vitamin
B3 and 24% of vitamin B6.
They also offer an outstanding amount of protein and
minerals. The 200 grams would cover 8% of daily protein needs, 40% of selenium,
22% of potassium, 20% of fluoride and 14% of iron.
Due to its nutritional characteristics and its starch
richness, the potato is equated with cereals, because it is rich in
carbohydrates (15 g / 100 g), and with a
2% protein composition.
Group B
vitamins
The most prominent micronutrient in potatoes is vitamin B6. This vitamin is involved in
more than a hundred known enzymatic reactions, such as those necessary to
create new healthy cells - not carcinogenic - and tissues from amino acids; in
numerous functions of the nervous system, and in the deactivation and
elimination of harmful substances such as homocysteine, which increases the
risk of a heart attack.
There is no lack of significant doses of other vitamins of
group B. An average serving of cooked potatoes provides more than 10% of the
daily needs of vitamins B1, B2, and folic acid.
As for minerals, potatoes are an abundant source of
potassium, in addition to containing small amounts of magnesium and iron.
They do not
inevitably gain weight
In recent decades it has been pointed out that the potato
was one of the culprits of the excess of obesity and diabetes in rich
countries. It is a mistake that science is clearing up.
The glycemic index(GI) tables have a part of responsibility in the misunderstanding, because
they attribute to the cooked potato a GI of 70 and the instant mash, of 80, a
figure that is only below the honey, the cooked carrot, the Whitebread and
glucose, which with 100 marks the maximum. These figures suggest that the
potato may favor excess blood sugar, obesity, and metabolic imbalance.
However, it is important to take into account the "glycemic load" of the diet, a more
accurate data than the IG, since it considers the size of the portions and the
the proportion of water, carbohydrates, fiber, and proteins of each food that is
ingested throughout the day.
Thus, a complete and nutritious dish consisting of 200 grams
of cooked potato, 75 of tofu and 100 of broccoli has as much glycemic load as a 50-gram slice of bread!
The way to prepare and consume potatoes also influences
their effect. The main mistake is to take excessive portions of potatoes that
have absorbed the frying or baking fat.
The same amount of
potatoes can go from 80 calories / 100 grams if they are boiled, to more
than 450 calories if they are fried. In contrast, steamed micronutrients are
better preserved and represent energetic, digestive and healthy food.
In addition, if they are allowed to cool for a few hours,
the sugars are transformed into resistant
the starch that reduces the caloric intake of the potato by half and serves as
food for the beneficial intestinal microbiota (thereby reducing the risk of
colon cancer).
Potato
health benefits
Boiled, roasted or steamed potatoes are effective in cases of gastritis, febrile conditions, and
acetone. Raw potato juice is also a medicinal element in the case of acute
gastritis and gastroduodenal ulcer processes.
Control the
sugar
Cold potatoes not only do not increase blood sugar but help
control it. They promote insulin
sensitivity (lowers blood sugar rate) and lowers cholesterol and
triglyceride levels.
Fights
oxidation
For decades, it has been assumed that no substances of great
nutritional or therapeutic value should be found in the white meat of the
potato. However, more modern methods of analysis, such as liquid chromatography
and mass spectrometry, have discovered a large number of beneficial compounds in potatoes.
Roy Navarre, who has coordinated experts from the several US
universities in an ambitious government-funded study have identified 60
substances, including phenolic compounds similar to those that give broccoli,
spinach or Brussels sprouts healthy prestige and protects against
cardiovascular, respiratory diseases and some types of cancer.
Some of these compounds are kukoamines, which until then had
only been found in the famous goji berries and have a benefactor effect on blood pressure.
In addition, the potato contains other substances that
collaborate with the immune system such as quercetin, carotenoids (in yellow
meat varieties), anthocyanins (in violaceous and blue), chlorogenic acid and
caffeic acids.
In general, it is considered an anti-inflammatory food that
can relieve digestive discomfort associated with stress
Its pulp also becomes an excellent healing agent if used as
a poultice.
The potato
in the kitchen
The healthiest preparation
of potatoes is steaming with skin. If
you opt for a roast, it should be done without fat or with a small amount of
olive oil, and with the oven low (less than 140º C).
If they are to be cooked in water, the loss of potassium and Vitamin C and of group B can be reduced by boiling them with the skin.
To puree, it is important to chop the potato so that it
absorbs more liquid, start to boil in cold water, without salt, and bring the
heat to low.
In a stew, you can cut, fry and add at the end, or chop and
add between 15 and 20 minutes before finishing. To make them fried and less
caloric, they can be roasted first and then browned in oil.
The
advantages of the new potato
The new potatoes, which are collected when the plant is
still green, from late spring and during
the summer, are sweeter and retain a solid, dense and moist texture after
cooking.
They are suitable for steaming or in water. From the
nutritional point of view, they contain less potassium and more vitamin C.
Old potatoes, which are harvested in autumn, but of
red-skinned varieties (such as the Pontiac network) and white (Monalisa) have
similar characteristics.
The other old potatoes have a more floury and dry texture.
They are recommended for frying or roasting, and their glycemic index (how
quickly they are assimilated) is higher.