Onion is a member of the Allium family and is rich in sulfur containing
compounds that are responsible for its pungent odor and for many of onion’s
health promoting effects.
Cardiovascular Benefits
There is evidence that sulfur compounds found in onion work in an anti
clotting capacity and help prevent the unwanted clumping together of blood
platelet cells. There is also evidence showing that onion’s sulfur compounds
can lower blood levels of cholesterol and triglycerides and improve cell
membrane function in red blood cells as well. The benefits of onion in the
overall dietary context extend to prevention of heart attack. The outstanding
flavonoid content of onions supports these research findings.
Bone and connective tissue
benefits
Human studies have shown that onion can help increase your bone density
and may have special benefit on women of menopausal age who are experiencing
loss of bone density. Plus, there is evidence that women who have passed the
age of menopause may be able to lower their risk of hip fracture through daily
eating of onions. In this research on
bone density in older women, very rare eating of onion like once a month or
less did not provide much benefit. Daily consumption of onion boosts benefits
for bone density. So do not skimp on onions when you are incorporating them
into your diet plan. The high sulfur content of onions may provide direct
benefits to your connective tissue as many of your connective tissue components
require sulfur for their formation.
Anti inflammatory benefits
This allium vegetable has nevertheless been shown to provide important
anti inflammatory response. A unique sulfur molecule found in the bulb portion
of the onion has been shown to inhibit the activity of macrophages- specific
white blood cells that play a major role in your immune system and one of their
defense activities is the triggering of large scale inflammatory responses.
Onion’s antioxidants provide you with anti inflammatory sources. These
antioxidants help prevent fatty acids oxidation in your body. When you have
lower levels of oxidized fatty acids, your body produces fewer inflammatory
messaging molecules and your level of inflammation is kept in check.
Cancer protection
Onion has been shown to lower the risk of several cancers, even when
you consume it in only moderate amounts. Colorectal, laryngeal and ovarian
cancers are the types for which risk is reduced along with moderate amounts of
dietary onion. Do not err on the side of small onion servings or infrequent
onion intake if you want to obtain the full cancer related benefits of this
veggie. Try to include at least one whole onion in the recipe. In terms of
individual portion sizes when you sit down to eat, try to consume the
equivalent of half onion.
Other health benefits
Onions have shown potential for improvement of blood sugar balance,
help prevent bacterial infection. Along with sulfur compounds, the flavonoid
quercetin found in onion helps provide these antibacterial benefits. Some
studies suggest that length of storage for onion that has been chopped but not
cooked and duration of heat exposure in this case involving exposure to steam
for ten minutes can affect some of onion’s health benefits. For these reasons,
special care is needed in the storage, handling and cooking of this vegetable.
http://www.fitnea.com/5-reasons-you-should-start-eating-onions/
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