MSG: Is This Silent Killer Lurking in Your Kitchen Cabinets?
http://blogs.mercola.com/sites/vitalvotes/archive/2009/04/07/MSG-Is-This-Silent-Killer-Lurking-in-Your-Kitchen-Cabinets.aspx
by Dr. Mercola
A widespread and silent killer that's worse for your health than
alcohol, nicotine and many drugs is likely lurking in your kitchen
cabinets right now.[1] "It" is monosodium glutamate (MSG), a flavor
enhancer that's known widely as an addition to Chinese food, but
that's actually added to thousands of the foods you and your family
regularly eat, especially if you are like most Americans and eat the
majority of your food as processed foods or in restaurants.
MSG is one of the worst food additives on the market and is used in
canned soups, crackers, meats, salad dressings, frozen dinners
and much more. It's found in your local supermarket and restaurants,
in your child's school cafeteria and, amazingly, even in baby food
and infant formula.
MSG is more than just a seasoning like salt and pepper, it actually
enhances the flavors of foods, making processed meats and frozen
dinners taste fresher and smell better, salad dressings more tasty,
and canned foods less tinny.
But while MSG's benefits to the food industry are quite clear, this
food additive could be slowly and silently doing major damage to your health.
What Exactly is MSG?
You may remember when the MSG powder called "Accent" first hit the
U.S. market. Well, it was many decades prior to this, in 1908, that
monosodium glutamate was invented. The inventor was Kikunae Ikeda, a
Japanese man who identified the natural flavor enhancing substance of seaweed.
Taking a hint from this substance, they were able to create the
man-made additive MSG, and he and a partner went on to form
Ajinomoto, which is now the world's largest producer of MSG (and
interestingly also a drug manufacturer).[2]
Chemically speaking, MSG is approximately 78 percent free glutamic
acid, 21 percent sodium, and up to 1 percent contaminants.[3]
It's a misconception that MSG is a flavor or "meat tenderizer." In
reality, MSG has very little taste at all, yet when you eat MSG, you
think the food you're eating has more protein and tastes better. It
does this by tricking your tongue, using a little-known fifth basic
taste: umami.
Umami is the taste of glutamate, which is a savory flavor found in
many Japanese foods, bacon and also in the toxic food additive MSG.
It is because of umami that foods with MSG taste heartier, more
robust and generally better to a lot of people than foods without it.
The ingredient didn't become widespread in the United States until
after World War II, when the U.S. military realized Japanese rations
were much tastier than the U.S. versions because of MSG.
In 1959, the U.S. Food and Drug Administration labeled MSG as
"Generally Recognized as Safe" (GRAS), and it has remained that way
ever since. Yet, it was a telling sign when just 10 years later a
condition known as "Chinese Restaurant Syndrome" entered the medical
literature, describing the numerous side effects, from numbness to
heart palpitations, that people experienced after eating MSG.
Today that syndrome is more appropriately called "MSG Symptom
Complex," which the Food and Drug Administration (FDA) identifies as
"short-term reactions" to MSG. More on those "reactions" to come.
Why MSG is so Dangerous
One of the best overviews of the very real dangers of MSG comes from
Dr. Russell Blaylock, a board-certified neurosurgeon and author of
"Excitotoxins: The Taste that Kills." In it he explains that MSG is
an excitotoxin, which means it overexcites your cells to the point of
damage or death, causing brain damage to varying degrees -- and
potentially even triggering or worsening learning disabilities,
Alzheimer's disease, Parkinson's disease, Lou Gehrig's disease and more.
Part of the problem also is that free glutamic acid is the same
neurotransmitter that your brain, nervous system, eyes, pancreas and
other organs use to initiate certain processes in your body.[4] Even
the FDA states:
"Studies have shown that the body uses glutamate, an amino acid, as a
nerve impulse transmitter in the brain and that there are
glutamate-responsive tissues in other parts of the body, as well.
Abnormal function of glutamate receptors has been linked with certain
neurological diseases, such as Alzheimer's disease and Huntington's
chorea. Injections of glutamate in laboratory animals have resulted
in damage to nerve cells in the brain."[5]
Although the FDA continues to claim that consuming MSG in food does
not cause these ill effects, many other experts say otherwise.
According to Dr. Blaylock, numerous glutamate receptors have been
found both within your heart's electrical conduction system and the
heart muscle itself. This can be damaging to your heart, and may even
explain the sudden deaths sometimes seen among young athletes.
He says:
"When an excess of food-borne excitotoxins, such as MSG, hydrolyzed
protein soy protein isolate and concentrate, natural flavoring,
sodium caseinate and aspartate from aspartame, are consumed, these
glutamate receptors are over-stimulated, producing cardiac arrhythmias.
When magnesium stores are low, as we see in athletes, the glutamate
receptors are so sensitive that even low levels of these excitotoxins
can result in cardiac arrhythmias and death."[6]
Many other adverse effects have also been linked to regular
consumption of MSG, including:
* Obesity
* Eye damage
* Headaches
* Fatigue and disorientation
* Depression
Further, even the FDA admits that "short-term reactions" known as MSG
Symptom Complex can occur in certain groups of people, namely those
who have eaten "large doses" of MSG or those who have asthma.[7]
According to the FDA, MSG Symptom Complex can involve symptoms such as:
* Numbness
* Burning sensation
* Tingling
* Facial pressure or tightness
* Chest pain or difficulty breathing
* Headache
* Nausea
* Rapid heartbeat
* Drowsiness
* Weakness
No one knows for sure just how many people may be "sensitive" to MSG,
but studies from the 1970s suggested that 25 percent to 30 percent of
the U.S. population was intolerant of MSG -- at levels then found in
food. Since the use of MSG has expanded dramatically since that time,
it's been estimated that up to 40 percent of the population may be impacted.[8]
How to Determine if MSG is in Your Food
Food manufacturers are not stupid, and they've caught on to the fact
that people like you want to avoid eating this nasty food additive.
As a result, do you think they responded by removing MSG from their
products? Well, a few may have, but most of them just tried to
"clean" their labels. In other words, they tried to hide the fact
that MSG is an ingredient.
How do they do this? By using names that you would never associate with MSG.
You see, it's required by the FDA that food manufacturers list the
ingredient "monosodium glutamate" on food labels, but they do not
have to label ingredients that contain free glutamic acid, even
though it's the main component of MSG.
There are over 40 labeled ingredients that contain glutamic acid,[9]
but you'd never know it just from their names alone. Further, in some
foods glutamic acid is formed during processing and, again, food
labels give you no way of knowing for sure.
Tips for Keeping MSG Out of Your Diet
In general, if a food is processed you can assume it contains MSG (or
one of its pseudo-ingredients). So if you stick to a whole, fresh
foods diet, you can pretty much guarantee that you'll avoid this toxin.
The other place where you'll need to watch out for MSG is in
restaurants. You can ask your server which menu items are MSG-free,
and request that no MSG be added to your meal, but of course the only
place where you can be entirely sure of what's added to your food is
in your own kitchen.
To be on the safe side, you should also know what ingredients to
watch out for on packaged foods. Here is a list of ingredients that
ALWAYS contain MSG:
Autolyzed Yeast Calcium Caseinate Gelatin
Glutamate Glutamic Acid Hydrolyzed Protein
Monopotassium Glutamate Monosodium Glutamate Sodium Caseinate
Textured Protein Yeast Extract Yeast Food
Yeast Nutrient
These ingredients OFTEN contain MSG or create MSG during processing:[10]
Flavors and Flavorings Seasonings Natural Flavors and
Flavorings Natural Pork Flavoring
Natural Beef Flavoring Natural Chicken
Flavoring Soy Sauce
Soy Protein Isolate Soy
Protein Bouillon
Stock Broth Malt Extract
Malt Flavoring Barley
Malt Whey Protein
Carrageenan Maltodextrin
Pectin
Enzymes Protease Corn Starch
Citric Acid Powdered
Milk Anything Protein Fortified
Anything Enzyme Modified Anything Ultra-Pasteurized
So if you do eat processed foods, please remember to be on the
lookout for these many hidden names for MSG.
Choosing to be MSG-Free
Making a decision to avoid MSG in your diet as much as possible is a
wise choice for nearly everyone. Admittedly, it does take a bit more
planning and time in the kitchen to prepare food at home, using
fresh, locally grown ingredients. But knowing that your food is pure
and free of toxic additives like MSG will make it well worth it.
Plus, choosing whole foods will ultimately give you better flavor and
more health value than any MSG-laden processed food you could buy at
your supermarket.
[1] Mercola.com "The Shocking Dangers of MSG You Don't Know," video Part 1
http://articles.mercola.com/sites/articles/archive/2007/08/28/dangers-of-msg.aspx?aid=CD12
[2] Price-Pottenger Nutrition Foundation, Samuels, Jack "MSG Dangers
and Deceptions"
<http://www.ppnf.org/catalog/ppnf/Articles/MSG.htm>http://www.ppnf.org/catalog/ppnf/Articles/MSG.htm
[3] Price-Pottenger Nutrition Foundation, Samuels, Jack "MSG Dangers
and Deceptions"
<http://www.ppnf.org/catalog/ppnf/Articles/MSG.htm>http://www.ppnf.org/catalog/ppnf/Articles/MSG.htm
[4] MSGTruth.org "What Exactly is MSG?"
<http://www.msgtruth.org/whatisit.htm>http://www.msgtruth.org/whatisit.htm
[5] U.S. Food and Drug Administration "FDA and Monosodium Glutamate
(MSG)" August 31, 1995
<http://www.foodsafety.gov/%7Elrd/msg.html>http://www.foodsafety.gov/~lrd/msg.html
[6] eMediaWire "Athlete Alert: Renowned Neurosurgeon Identifies
Aspartame & MSG in Sudden Cardiac Death" April 15, 2005
<http://www.emediawire.com/releases/2005/4/emw225071.htm>http://www.emediawire.com/releases/2005/4/emw225071.htm
[7] FDA Consumer Magazine "MSG: A Common Flavor Enhancer" January-February 2003
<http://www.fda.gov/fdac/features/2003/103_msg.html>http://www.fda.gov/fdac/features/2003/103_msg.html
[8] TruthinLabeling.org "This is What the Data Say About Monosodium
Glutamate Toxicity and Human Adverse Reactions"
<http://www.truthinlabeling.org/Proof_AdverseReactions_AR.html>http://www.truthinlabeling.org/Proof_AdverseReactions_AR.html
[9] Price-Pottenger Nutrition Foundation, Samuels, Jack "MSG Dangers
and Deceptions"
<http://www.ppnf.org/catalog/ppnf/Articles/MSG.htm>http://www.ppnf.org/catalog/ppnf/Articles/MSG.htm
[10] Price-Pottenger Nutrition Foundation, Samuels, Jack "MSG Dangers
and Deceptions"
<http://www.ppnf.org/catalog/ppnf/Articles/MSG.htm>http://www.ppnf.org/catalog/ppnf/Articles/MSG.htm
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