Tuesday, May 31, 2011

The Danger of High Fructose Corn Syrup


                                    
        High fructose corn syrup (HFCS) has recently received considerable media attention for its negative impacts on consumer’s health. Most investigators and nutritionists believe that the increase in obesity in the last 35 years has paralleled the increasing use of HFCS, which first appeared just before 1917. Current soft drinks and many other foods are sweetened with this product because it is inexpensive and has useful manufacturing properties. All of these reasons directly benefits the food companies, but are causing body damage and metabolic diseases for the consumers. Even though corn lobby (corn producers) is trying to prove that the HFCS is nearly similar to the regular sugar, it is not true because HFCS is high in fructose that is bad for our health. Now, this highly processed sweetener that is metabolized differently in the human body has become a major concern for American health. Therefore, American consumers should have the clear knowledge about the dangers of HFCS that they are consuming everyday in their daily diets.

       First of all, HFCS is very different from regular table sugar. It is a highly processed sweetener that is bad for our health. If you ever tasted cornstarch, you know that it is not sweet. It has a dry and powdery taste. Turning it into a sweetener, it involves a long complicated process. It is first processed into glucose using a series of enzymes. The glucose is then converted into a high concentration of fructose using another treatment with enzymes. However, sucrose has a natural chemical bond between F and G that requires energy (calories) to break and has to be broken down in the small intestine, so your body has to do a little more work to get fructose. Yet, in HFCS that bond is already broken down for you during manufacturing and ready to go directly to your liver where it is converted to fat. For the bad side of processed sweeteners, Michael Pollan, the author of “The Omnivore’s Dilemma,” which takes a critical look at the food business, says “Enzymatically Altered Corn Glucose” is a more accurate description of HFCS. He explains: “the name also connotes a highly-processed, novel food ingredient, which has always been the best reason to avoid it: not only because it is necessarily worse for you than sugar, but also because it is a marker for a whole class of processed foods we’d do well to keep out of our diet”(NYT). Like Michael, there are lots of scientists and nutritionists who highly recommend the American people not to consume HFCS. Moreover, the high fructose corn syrup is high in fructose. The ratio of HFCS is 55% to 72% fructose and 45% to 28% glucose that make this sweetener different from regular table sugar. The ratio of regular sugar is 50% glucose and 50% fructose. For all the profits and making good business, the corn lobby has spent to politics you saying that all the sugars are “equal” but usually those are “unequal” by its ingredients.  



    Secondly, our body does not process HFCS the same way it processes regular table sugar. Some scientists said that HFCS may contribute to obesity by somehow disrupting normal metabolic function. HFCS prevents our pancreas from releasing insulin. Without insulin, our body could not recognize when we are full. If the body does not know when it is full, we may not stop eating until we have eaten way more calories than we actually need. The article “Nutrition & Metabolism”, by Rizkalla Salwa W. provides acute studies on humans. Studies were mainly arranged to find the solution for the debate that was fuelled by the hypothesis that the leading cause of obesity is HFCS because it bypasses the food intake regulatory system (insulin and leptin) and favors lipogenesis. It was mainly hypothesized that energy containing drinks, particularly those sweetened with HFCS promotes energy imbalance so it plays an important role in the development of obesity. In an acute-term study, 12 normal weight women consumed meals with 55, 30 or 15% of total calories as carbohydrates, fats and proteins with 30% of Kcal as either glucose sweetened or fructose sweetened beverages.  As expected, insulin secretion and glucose excursion were lower after consuming fructose containing meals than after glucose ones. After this acute-term study, the authors of this study suggested that because insulin and leptin, the main regulatory factors of food intake, were lower after fructose meals; they might increase caloric intake and that ultimately contributes to weight gain and obesity. Therefore, those who are on opposite side should come to agree that the HFCS is clearly related to the obesity epidemic in America.


       Thirdly, many food producers argue that the increase in metabolic diseases may have been due to the increase in any kind of sugar consumption, but not due to the consumption of HFCS alone. The article “Fructose Consumption,” by Kimber L.Stanhope states the facts about the implication of fructose in the human body by providing recent data on sugar consumption that are resulted from a recent study. The study compared the effects of consuming fructose- sweetened beverages at 25% of energy requirement with those of consuming glucose-sweetened beverages over a 10 week period in older, overweight/ obese adults. Even though, both subjects consuming glucose-sweetened beverages and those consuming fructose-sweetened beverages exhibited an increase of body weight, visceral adipose tissue (VAT) was significantly increased only in subjects consuming fructose. There is considerable data suggesting that visceral adipose deposition is more closely associated with metabolic disease, such as cardiovascular disease and type 2 diabetes. There were several other important differences between the effects of fructose and glucose consumption in this study. Twenty-four-hour postprandial triglyceride (TG) profiles were increased by fructose consumption, but tended to decrease after glucose consumption. Fasting plasma concentration of low density lipoprotein (LDL) cholesterol and other types of cholesterol which considered as bad fats, such as apolipoprotien B (apoB), small-dense LDL (sdLDL), oxidized LDL and postprandial concentrations of remnant-like particle lipoprotein (RLP)-TG and of RLP cholesterol were also increase in subjects consuming fructose-sweetened beverages, but not in those subjects consuming glucose-sweetened beverages. These changes were associated with increased risk of cardiovascular disease. Also, a research report published by a scientific journal “Environmental Health” led by Renee Dufault of United Tribes Technical College in North Dakota, reported that there was mercury found in 45 percent of HFCS sample they tasted. Mercury at any level is considered a neurological toxin that can be harmful to developing fetuses and young children. So, the HFCS is considerably responsible for metabolic diseases in its consumers.

      
    Finally, of course, corn producers are getting benefits from their productions of HFCS. The ingredient (HFCS) is very popular for food manufacturers for practical reasons. Compared with sucrose, HFCS is cheaper (due to government subsidize on corn),does not mask flavors, has lower freezing point, blends well and moisture better with a variety of products, which is useful in making foods like chewy granola bars, and also helps to maintain foods  a longer shelf life. As a result it is now used in many foods, from crackers to soft drinks, even in spaghetti. If you pay attention and read the labels of your favorite packaged and processed foods, you can see that HFCS is every where. In the documentary film “King Corn”, the film maker Curt Ellis said that HFCS is in thousands and thousands of products. He also said that when you make spaghetti at your home, you probably don’t put sugar on that, but as you can see, there is HFCS already in your spaghetti. According to the article “Fructose Consumption”, the writer said in his article that the advances and growth in both the food processing and food service industries have made the more palatable foods available for their customers, but they are nutrient-deficient and are high in sugar. Actually, profit margins are a primary determinant of why food producers do not add and continue to serve healthier food options to their customers. Finally the Corn Refiners Association has been trying to improve the image of the much detrimental sweetener by promoting it as a natural ingredient made from corn. The group has petitioned the United States Food and Drug Administration to get permission for calling the ingredient “corn sugar.” Dr. Andrew Weil, best selling author and alternative medicine pioneer, said “I don’t like “corn sugar.” I’m in favor of sticking with “high fructose corn syrup.” That is what it is, and I don’t agree that it’s innocuous” (NYT). I also strongly agree with him, because I think, the sound of new name is like; the corn producers are trying to make a policy to trick consumers by giving an ambiguous knowledge about their products.
         In conclusion, by reviewing many research reports, now I can say that the HFCS is one of the major contributors of metabolic diseases in human body. FDA should limit the use of HFCS syrup in food products and government should subsidies for healthy foods, like organic and whole foods to make healthier options available for American consumers.
Consumers should know what they are eating. They should read the food labels very carefully and should avoid HFCS containing foods. They should try to make foods at home at least four or five times a week. Home made food is considered as a healthy and delicious food at one hand, and on the other hand, it also helps you spend your money for a good health. Therefore, be smart when you make decision to get a food choice. 












                                                                 WORKS CITED

Estabrook, Barry. “Politics of the Plate: High-Mercury Corn Syrup.” Gourmet.com. Web. 26   April, 2011. <http://www.gourmet.com/foodpolitics/2009/01/politics-of-the-plate-mercury-incorn-syrup>.
 Flavin, Dana, MS, MD, PHD. “Metabolic Danger of High-Fructose Corn Syrup.” Life Extension Magazine. 01 December. 2008. Web. 26 April 2011. <http://www.lef.org/magazine/mag2008/dec2008_Metabolic-Dangers-of-High-Fructose.Corn-Syrup>.

Parker,Tara-Pope. “A new name for high fructose corn syrup.” New York Times. New York Times, 14 September. 2010. Web. 02 May, 2011. <http://well.blogs.nytimes.com/2010/09/14/a-new-name-for-high-fructose-corn-syrup>.

Parker,Tara-Pope. “In worries About Sweeteners, Think of All Sugars.” New York Times. New York Times, 20 September.2010. Web. 02 may, 2011. <http://well.blogs.nytimes.com/2010/09/20/in-worries-about-sweeteners-think-of

Rizkalla, Salwa W. “Health implications of fructose consumption: A review of recent data.” Nutrition & metabolism: 2010, vol. 7, p82-98, print. <http://web.ebscohost.com/ehost/detail?vid=15&hid=104&sid=7b317d7f-ebc5-4229-ba45-85>.

Smith, Andrew F. The Oxford Encyclopedia of Food and Drink in America. New York: Oxford University Press, 2004. Print.


Stanhope, Kimber L. Havel, Peter J. “Fructose consumption: recent results and their potential implications.” Annals of the New York Academy of Science: March.2010, vol. 1190 Issue 1, p15-24, Print. <http://web.ebscohost.com/ehost/detail?vid=15&hid=104&sid=7b317d7f-ebc5-4229-ba45-85>


Sunday, May 8, 2011

Tahmina's ANNOTATED BIBLIOGRAPHY


                                             ANNOTATED BIBLIOGRAPHY
                                                         Tahmina Haque

Topic: In my final research paper, I will look for the effects of high fructose corn syrup to the human body and also how this consumption benefits America’s entire food industries that related to the America’s economic conditions. More over, I will write about the diseases that result from the excess consumption of high fructose corn syrup. 

Sources:

 Flavin, Dana, MS, MD, PHD. “Metabolic Danger of High-Fructose Corn Syrup.” Life Extension Magazine. 01 December. 2008. Web. 26 April 2011. <http://www.lef.org/magazine/mag2008/dec2008_Metabolic-Dangers-of-High-Fructose.Corn-Syrup>.

                   The author of this little article mainly talks about the metabolic danger of HFCS. He actually tried to say that the calories alone are not the key problem with HFCS, but metabolism of excess amounts of fructose is the major concern.

Mela, D. Food, Diet and Obesity. Cambridge, GBR: Woodhead Publishing Limited, 2005. Print.
                      This small part of this book is mainly about the differences between table sugar and HFCS. This chapter also talks about the consequences of these two types of sugar that people consume.

Parker,Tara-Pope. “A new name for high fructose corn syrup.” New York Times. New York Times, 14 September. 2010. Web. 02 May, 2011. <http://well.blogs.nytimes.com/2010/09/14/a-new-name-for-high-fructose-corn-syrup>.

                    This article of NYT is about the name of HFCS that food producers have to label in their food products. This article is mainly about why food producers wanted to rename HFCS and how policy makers are going to politics their consumers by providing an ambiguous name of HFCS that they want to put in their food labeling.

Rizkalla, Salwa W. “Health implications of fructose consumption: A review of recent data.” Nutrition & metabolism: 2010, vol. 7, p82-98, print. <http://web.ebscohost.com/ehost/detail?vid=15&hid=104&sid=7b317d7f-ebc5-4229-ba45-85>.
                    
                    This article reviews evidence in the context of current research linking dietary fructose to health risk makers. It also talks about how fructose intake has recently received considerable media attention, most of which has been negative.

Smith, Andrew F. The Oxford Encyclopedia of Food and Drink in America. New York: Oxford University Press, 2004. Print.

                       The chapter of this book which I choose to use in my paper is mainly about the primary knowledge about the corn syrup and how scientists produced HFCS from the regular corn syrup that they became very different by their ingredients from each other.

Williams, Oral, Bessler, David A. “Cointegration: Implication for the market efficiencies of the high fructose corn syrup and refined sugar markets.” Applied Economics: 1997, vol.29 Issue 2, 8p. Print. <http://web.ebscohost.com/ehost/detail?vid=15&hid=104&sid=7b317d7f-ebc5-4229-ba45-85>.
                      This article presents information on the dynamic relationship between the prices of refined sugar and high fructose corn syrup using co integration econometrics. It mainly gives information about U.S sugar policy that insulated the domestic sugar industry through a combination of subsidies to producers and various trade restrictions.