High Fructose Corn Syrup: The Facts

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HFCS (High Fructose Corn Syrup) is a hot topic among health and fitness buffs. They cite studies showing a direct correlation between increased HFCS consumption and obesity. They also point to research that documents mercury in HFCS products. Researchers have also discovered a difference between HFCS in liquids versus its solid state and how it could affect obesity. There is much confusion regarding HFCS because of a counter-offensive by the corn and refiners industries who seek to dispel the fear associated with their products. I want my kids to eat healthy foods. I want them to be safe. But, should I be like the hippies and be fearful of all businesses that use artificial food additives? It’s possible, very possible. Or should I believe the corn industry when they say there is nothing to fear but fear itself?  If HFCS is really what the corn people say it is then I should have nothing to worry about. Is what they say true?  Well, I’ve done some research to find out the answer to that. I’ve scoured the internet looking for credible sources and scientists who can tell me what I want to know. Very basically I want to know if it is safe.
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What is it?
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Table sugar is a combination of fructose and glucose which are both simple sugars produced naturally by plants. The combination is called sucrose.  Corn syrup is mainly glucose produced from corn starch. There is no naturally occurring fructose in corn which is why corn isn’t sweet. But, in the 1950’s, scientists found a way to convert the glucose in corn into fructose. The resulting concoction is 90% fructose (and therefore very very sweet). That fructose is mixed with the corn syrup, which is glucose (and not sweet), until a 45/55 balance is reached (fructose being the higher percentage).  And, presto, HFCS! Later, in the 1970’s, the process was scaled and we saw the birth of the HFCS boom.
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Why is it Used?
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HFCS has three things going for it that make it attractive to the food industry. The first is that it is cheap. In 2007 the cost of 1 dry pound of HFCS was roughly 32 cents. At the same time, the cost of refined sugar was 52 cents per dry pound. It is no wonder that the food industry uses it keep costs down! The second reason it’s used is that it is more easily dissolved in liquid. The solubility of HFCS makes it an attractive choice for the beverage industry. The first ingredient after water in most drinks is HFCS.  It is not impossible to find drinks without HFCS, but it’s getting more difficult every year.   One easy solution is to not buy juice and soda drinks at all and instead drink tea which contains no sugar at all and still tastes good. The third reason HFCS is used instead of regular sugar is that it acts as a preservative thereby extending shelf life and reducing the use of other preservatives. From the perspective of the food industry HFCS is a miracle additive. More sweet than regular sugar, almost half the price, and it’s also a preservative. I don’t blame the industry for pushing it.  But, as consumers, we have a responsibility to be skeptical of people who want our money.
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Health Concerns
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There are two credible health concerns concerning HFCS. There are plenty of  bloggers who seem to have all the answers but no scientific research to back them up. I’d like to add some facts to the debate. The first big concern that has come up in recent years is mercury. Mercury, caustic soda, and hydrochloric acid are apparently used in processing some HFCS. There were tests done in 2005 that showed that a full third of all HFCS products contain some amount of mercury. The findings are disputed by the sugar refiners. The other health concern with HFCS is its role in obesity. Remember that HFCS has more fructose content than regular sugar. The study I cite demonstrates that HFCS in liquid is a greater factor in obesity than it is in its solid form. The study also shows that the fructose content of HFCS can sometimes be as high as 65% in drinks. The rats in the study gained significantly more weight when HFCS was in their water supply than when it was in their food. The conclusion is this: If you’re going to invest energy in avoiding HFCS, drinks should be the first place to start.
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The Argument For
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We have all seen the backlash from consumers against HFCS. People like me are all over the internet doing research trying to find out about it. The corn industry and the refiners have started their own counter offensive.  They claim there is no danger in HFCS and that the research done so far that criticizes HFCS is dubious. We have also seen all the commercials on TV and in print. Of course, all the actors and models used in these advertisements are fit and healthy looking which is not surprising. There is nobody who looks like a pimpled old whale. Now go to the drink isle at the grocery store and tell me what real HFCS consumers look like.  Do they look like the actors or the sea-mammals? Now, what do the people shopping from the organic and natural sections of the store look like?  That’s probably all the evidence you need.  It is obvious that the argument for HFCS is just as slanted as many arguments against it. Everything, including the color of their website (green, blue and yellow), and the actors hired to pose as regular HFCS consumers, is designed to deceive.  But propaganda, regardless of the industry or issue, is always slated. It’s our responsibility to find scientists who don’t have a horse in the race.Â
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I conclude that HFCS in drinks is the devil’s work. But, I don’t drink soda anyway so I don’t really care. Other parents might care though. My other conclusion is that I have no way to determine which HFCS products have mercury and which do not. I cannot, in good conscience, feed anything to my kids that might contain even the slightest amount of mercury (even though negligible amounts are in many products). It’s very simple. I do not believe that HFCS will make me fat if it’s used in moderation. In that I agree with the industry. However, it is such a widely used product that avoiding it is extremely difficult.Â
How can I not eat too much of it if eating itself requires that I consume HFCS? The only way to avoid it is to shop in the natural sections of my grocery store. That’s what I’ll have to do. The industry has flooded our food supply with HFCS to such a degree that their suggestion of eating it in moderation is absolutely laughable. Our only option is naturally produced foods that are pushed by farmers rather than corn intermediaries (which is a discussion for another day).
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My brother and I were just discussing this yesterday. It’s in everything it seems. Spooky! Thanks for your leg work on these topics. I’ll watch for butter vs margarine
Some of the supposedly “healthy” players out there sell items that are FILLED with high fructose corn syrup. I used to be a big fan of the ZONE diet– read the books and bought the products.
Then after eating some Zone bars, I happened to look at the ingredients on the back of the wrapper– FILLED with high fructose corn syrup. So I called the toll free number to talk to their support. The girl who answered hemmed and hawwed– tried to deny it, until eventually she said that it was “high quality” high fructose corn syrup– that there are different kinds of high fructose corn syrup.
Might as well say there are different forms of cancer.
Then I found out the Barry Sears, the creator of the Zone Diet, had nothing to do with all the Zone products– he merely licensed his name.
How’s that for high fructose corn syrup EVIL?
Hi,
My google alert picked up your post. I preach the treachery
of HFCS, so we’re on the same side of the net. As for the
mercury tainted HFCS–mercury is not a reagent in the production of HFCS. An older method to prodcue caustic soda, lye, used a mercury cathode and trace amounts of mercury apparently contaminated some of the lye. Most manufacturers in the US have upgraded the method which does not require the use of the mercury cathode; however, I believe there are four companies that still use the outdated process. The lye is used to separate the corn starch from the kernel and also to buffer other steps in the production of HFCS. I’m also interested in your statement that HFCS can be as high as 65% fructose. What is the reference for that? The CRA claims they use HFCS-42 and HFCS-55. You might read an article I wrote for
Women’s International News under Health and Nutrition.
It might answer some of your questions. To your health
Cynthia, I linked to a scientific study that has the information you’re looking for with the number of 65%. I hear what you’re saying about the mercury being an outdated method. The point I’m making, and which you are as well, is that there are still some manufacturers that use it and they are not required to label on their products that they do. We cannot discern when we are getting HFCS that has mercury and when we are not. Thank you for the comment.
I was in the midst of internet scouring with the very same questions (and suspicions), so your post has been very helpful.
Thanks, and I’ll let you know if I come across any new info.
Jaron, I’m glad you found it helpful.
I have a son who is highly sensitive to all sorts of things. Can’t have anything artificial or it makes him nuts. HFCS makes him insane, natural sugars don’t. And it’s a HUGE difference in his behavior. I can always tell when a neighbor has given my boy forbidden foods. He comes home like he’s on speed. Plain real sugar isn’t great either, but he can have it moderately. But just seeing his body’s reaction to HFCS, and artificial colors, to me, shows how ‘good’ it is. It isn’t.
Mitzi, I’ve heard of other people who say similar things — that HFCS has an unusual reaction with them (or someone they know). I’d be interested to know exactly what causes it, but I guess we can be sure of at least one thing. That’s proof that something is very wrong with the stuff
It IS possible to make a grocery run and avoid HFCS entirely.
My fiancee and I are avid label readers and constantly monitor what we buy. Our grocery bill has gone up by an average of $15 a week, but we’re eating better, healthier and we FEEL better.
my 2 cents.. i mean just because a scientist says somethind doesnt make it scientific or fact… A lot of research is skewed towards the result the one who is funding the research wants. So what we should do is look at how closely each study stick to the scientific process, we need to hold these scientist accountable and not just believe because they wear white coats.
Greakfastdiet: You are completely right. The special interests really do affect a lot of research. Thanks for reading!
hey its a good thing i just found this site because i have to do a project for my environmental science class. me being a senior, i need this class to pass and this is being very helpful and not to mention resourceful. ill be sure to use this. thanks