Chinese smart health recipes sweet potato
Chinese smart health recipes sweet potato
The sweet potato
(Ipomoea batatas) or simply a brown potato is perennial plant of the family
Convolvulaceae widespread in tropical and subtropical regions where it is grown
for its edible tubers.
The origin of the
potato is often located in China,
because it is cultivated for a long time, probably before the sixteenth
century. But although this plant is not known in the wild, it is more likely of
South American origin. It would be varied from two areas, a main center between
the Yucatan and the mouth of the Orinoco in Venezuela and a secondary between Peru and Ecuador. Archaeological studies in Peru indicate
that she was known, but perhaps not yet cultivated, around 8000 BCE.
Since Polynesia, it
has spread in Southeast Asia. She was known in
China in the fourteenth
century AD, it had reached the Philippines.
After the conquest
of the Americas,
its diffusion was accelerated worldwide by the Spanish and the Portuguese.
According to a
study, Chinese smart health recipes sweet potato,it is the sweet potato leaves, which contain most of phenolic compounds,
followed by the peel and the flesh, even more than most greens.
A polysaccharide
extracted from sweet potatoes exert beneficial effects on the immune system of
the animal, by increasing the proliferation of lymphocytes and phagocytic
function.
With phenolic
compounds and anthocyanins it contains, sweet potato could have a positive
effect on the oxidation of LDL cholesterol.
The varieties of
sweet potato purple (cultivars developed in New
Zealand and Japan), contain a lot of
anthocyanins that give them their colors.
Anthocyanins from
purple sweet potato have shown in vitro antioxidant activity than vitamin C2,
red cabbage, the elderberry, purple corn and grape skin extracts. These
anthocyanins play a beneficial role in cardiovascular health and liver.
Based on animal
tests, extracts of anthocyanins in purple sweet potato would reduce the
incidence of colorectal cancer and progression of atherosclerosis. Other
studies [ref. necessary] in animals shows that these anthocyanins have a
protective effect on the liver by protecting the for example damage due to high
doses of paracetamol. Certain pigments of purple sweet potato can slow the
deterioration of cognitive function and even reverse the memory impairment in
mice by decreasing inflammation and oxidative stress in the brain.
According to
several studies, both in animals and in humans with type diabetes, the extract
of a particular type of white sweet potato peel as those contained in sweet
potato purple, could improve blood sugar control . It has been shown in vitro
that this effect is due to the stimulation of the immune response. These
compounds inhibit an enzyme affecting the elevation of blood glucose after the
digestion of carbohydrates. Some protein, arabinogalactan white sweet potato,
participate in part to these antidiabetic virtues.
A study shows that
a drink made from purple sweet potatoes improves liver function in subjects
with liver and reduces the risk of liver enzymes.
In vitro, tuber
extracts of leaves and showed some effectiveness in preventing cell mutations
and cancer cell growth. A trypsin inhibitor protein contained in sweet potato,
has shown in vitro a strong antioxidant effect. It could fall within the
prevention of cancer, particularly leukemia.
An in vitro study demonstrates that leaf extracts allow a relaxation of blood
vessels, particularly the aorta, having a protective effect on the internal
vessel wall.
The sweet potato is
a component of the diet “Okinawa”,
which would be a component of the particular longevity of the inhabitants of
the Japanese island. The leaves of sweet potatoes, they could have a protective
effect against lung cancer.
Chinese smart health recipes sweet potato
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