Are
you fighting to keep unhealthful, unsightly fat off your belly? Join the crowd!
Vinegar enjoys an ancient reputation as a healthful food, and new research
suggests that pickled foods and vinegary dressings may help fight abdominal bulge.
The secret to the fat-fighting potential of vinegar lies in its defining
natural constituent ... a tart, tangy chemical called acetic acid.
The body stores excess
dietary calories as body fat, and most of that fat ends up one of two places.
Fat can be stored either as subcutaneous fat, located just under the skin.
Or it can be deposited as unhealthier, harder-to-lose abdominal (visceral) fat
which, by definition, is fat found around the bodys central organs.
An excess of abdominal fat is known medically as central obesity, and is
commonly called belly fat.
Aside from being socially and romantically
undesirable, theres a strong correlation between central obesity and an
increased risk of developing cardiovascular disease, insulin resistance, and diabetes.
In fact, central obesity is one of the physiological factors that constitute
metabolic syndrome, which often leads to diabetes. The genetic connection
between vinegar and body fat Its been known for some time that activation
of genetic switches called PPARs induces the body to store excess calories as
subcutaneous fat instead of depositing them as unhealthier abdominal fat.
The acronym PPARs stands for peroxisome proliferator-activated receptors,
and these switches help regulate the expression of genes associated with metabolism
of carbohydrates, fats, and proteins.
Long-time readers of Vital Choices
may recall past articles about the beneficial effects of omega-3s on PPARs with
regard to development and progression of diabetes.
Three years ago, researchers
at Laval University in Quebec, Canada, published a study in which they fed rodents
carboxylic acid (COOH), which is the chemical parent of acetic acid
(CH3-COOH).
As they reported, In rats treated with the full PPAR-gamma
agonist [activator] COOH for 3 weeks, subcutaneous fat mass was doubled and that
of visceral fat was reduced by 30% relative to untreated rats.
And the Laval team found that feeding rodents this close chemical cousin to acetic
acid also stimulated fat burning (thermogenesis) in abdominal (visceral) fat:
The agonist [acetic acid] increased fatty acid oxidation
and thermogenesis much more strongly in visceral fat than in subcutaneous fat
... These findings demonstrate that PPAR-gamma agonism [activation] redistributes
fat and energy expenditure is greatly increased in visceral fat, with consequent
reduction in fat accumulation. (Laplante M et al. 2006)
Their
findings indicated that carboxylic acid - and perhaps related compounds like vinegars
acetic acid - is an ally in the fight to shift body fat to a healthier location,
and preferentially burn body fat sited in its least healthful location.
New findings support the fat-fighting value of vinegar Last month, researchers
at Japans Mizkan Group published findings that more directly support the
promise of vinegars acetic acid as a potent ally in the fight to prevent
central obesity (Kondo T et al 2009).
In short, they found that dietary
acetic acid helps prevent obesity in mice fed a high-fat diet, both by the PPAR
mechanism reported from Quebec in 2006, and via other means as well.
The Japanese team reports that acetic acid up-regulates the expression
of genes that induce oxidation (burning) of fatty acid in the liver an
effect called thermogenesis that suppresses the accumulation of body fat.
As they said, Significant increases were observed in the expressions
of genes for PPAR-alpha and for fatty-acid-oxidation- and thermogenesis-related
proteins in the liver In conclusion, AcOH [acetic acid] suppresses
accumulation of body fat and liver lipids (Kondo T et al 2009)
Specifically, the new study showed that mice fed a high-fat diet with added
acetic acid developed about 10 percent less body fat than mice fed a high-fat
diet absent the characteristic vinegar compound.
Importantly, the new
research provides the first hard evidence that, like carboxylic acid, acetic acid
fights body fat build up by switching on genes that in turn activate fat-burning
enzymes.
What can you do with this information?
For starters, you can munch on pickles (cucumbers marinated in vinegar) and add
vinegar-pickled veggies like beets and cauliflower to salads and sandwiches.
Salad dressings made with vinegar are another avenue, although the amount
of oil in most vinaigrettes would overcome any fat-fighting benefit.
Balsamic vinegar is a particularly healthful, delicious way to get more acetic
acid into your diet, without added fat.
Use balsamic vinegar as a sauce
ingredient when cooking.
Or drizzle it sparingly over breads, salads,
and cheeses even sorbet! Our deep, dark, 100% organic balsamic vinegar
is made in Spain from concentrated organic grapes and organic red wine.
Here are a few other suggestions:
*Use cider vinegar as a substitute for fresh lemon juice in recipes. *Pour
cider vinegar over roasting lamb. Adding honey and sliced onions to the roasting
pan will produce a sweet, tangy sauce when the vinegar mixes with them. *Sushi
rice: Japanese use rice vinegar as an essential ingredient for sushi rice.
*Use cider or white wine vinegar to flavor collard greens, green beans, or cabbage.
Perhaps
the healthiest, zestiest of all pickled foods is the addictively delicious Korean
side dish called kimchi or kimchee.
Kimchi usually features crisp green
vegetables like cabbage, cauliflower, cucumbers, bell peppers, garlic, onions,
chili peppers, radishes, and the like.
These foods have few calories
but lots of fiber, vitamins (especially A and C), beneficial polyphenol antioxidants,
and minerals such as calcium and iron.
The distinctive flavor of kimchi
depends on the level of acetic acid (more is better), which will vary according
to the ingredients used, the fermentation temperature (cooler is better) and period,
and the level of salt (less is better).
Kimchi fermented with less salt
at a low temperature has more acetic acid and a better flavor, according to connoisseurs.
And, like yogurt, kimchi contains lactic acid generated by beneficial probiotic
bacteria.
Editor's
note: We
consider organic whole foods from both plant and animal kingdoms to be a major
key to superior health. We also think it's terribly important to eat fish at least
twice a week to get the essential fatty acids. Here at our house, we only eat
wild Alaskan salmon and other wild seafoods from our friends at Vital Choice.
Click here
to visit Vital Choice Seafood.
Sources
*Kondo T, Kishi M, Fushimi T, Kaga T. Acetic Acid Upregulates the Expression of
Genes for Fatty Acid Oxidation Enzymes in Liver To Suppress Body Fat Accumulation.
J Agric Food Chem. 2009 May 26. [Epub ahead of print] DOI: 10.1021/jf900470c
*Laplante M, Festuccia WT, Soucy G, Gélinas Y, Lalonde J, Berger JP,
Deshaies Y. Mechanisms of the depot specificity of peroxisome proliferator-activated
receptor gamma action on adipose tissue metabolism. Diabetes. 2006 Oct;55(10):2771-8.
Click
Here to
share this page with your friends, website visitors, ezine readers, social followers
and other online contacts.
Disclaimer:
Throughout this website, statements are made pertaining to the properties and/or
functions of food and/or nutritional products. These statements have not been
evaluated by the Food and Drug Administration and these materials and products
are not intended to diagnose, treat, cure or prevent any disease.