Food industry usage of artificial sweeteners
The food and beverage industry is increasingly replacing sugar or corn syrup with artificial sweeteners in a range of products traditionally containing sugar.
Artificial sweeteners cost the food industry only a fraction of the cost of natural sweeteners, in spite of the extremely high profit margins for manufacturers of artificial sweeteners. So it is not surprising that the food industry is promoting its “diet” or “light” products heavily, thus moving the customers over to its even more profitable artificially-sweetened products.
According to market analysts Mintel, a total of 3,920 products containing artificial sweeteners were launched in the U.S. between 2000 and 2005. In 2004 alone, 1,649 artificially-sweetened products were launched. According to market analysts Freedonia, the United States artificial sweetener market is set to grow at around 8.3% per year to $189 million in 2008.
Aspartame is currently the most popular sweetener in the U.S. food industry, as the price has dropped significantly since the Monsanto Company patent expired in 1992. However, sucralose may soon replace it, as alternative processes to Tate & Lyle’s patent seem to be emerging. According to Morgan Stanley, this can mean that the price of sucralose will drop by 30%.
Reasons for use
Sugar substitutes are used for a number of reasons, including:
To assist in weight loss some people choose to limit their food energy intake by replacing high-energy sugar or corn syrup with other sweeteners having little or no food energy. This allows them to eat the same foods they normally would, while allowing them to lose weight and avoid other problems associated with excessive caloric intake.
Dental care sugar substitutes are tooth-friendly, as they are not fermented by the microflora of the dental plaque.
Diabetes mellitus people with diabetes have difficulty regulating their blood sugar levels. By limiting their sugar intake with artificial sweeteners, they can enjoy a varied diet while closely controlling their sugar intake. Also, some sugar substitutes do release energy, but are metabolized more slowly, allowing blood sugar levels to remain more stable over time.
Reactive hypoglycemia individuals with reactive hypoglycemia will produce an excess of insulin after quickly absorbing glucose into the bloodstream. This causes their blood glucose levels to fall below the amount needed for proper body and brain function. As a result, like diabetics, they must avoid intake of high-glycemic foods like white bread, and often choose artificial sweeteners as an alternative.
Avoiding processed foods individuals may opt to substitute refined white sugar with less-processed sugars, such as fruit juice or maple syrup. (See List of unrefined sweeteners).
Cost many sugar substitutes are cheaper than sugar.
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Controversy over health
This section contains weasel words, vague phrasing that often accompanies biased or unverifiable information. Such statements should be clarified or removed. (May 2009)
A 2005 study by the University of Texas Health Science Center at San Antonio showed that increased weight gain and obesity was associated with increased use of diet soda in a population based study. The study did not establish whether increased weight leads to increased consumption of diet drinks or whether consumption of diet drinks could have an effect on weight gain.
Animal studies have indicated that artificial sweeteners can cause body weight gain. A sweet taste induces an insulin response, which causes blood sugar to be stored in tissues (including fat), but because blood sugar does not increase with artificial sugars, there is hypoglycemia and increased food intake the next time there is a meal. After a while, rats given sweeteners have steadily increased calorie intake, increased body weight, and increased adiposity (fatness). Furthermore, the natural responses to eating sugary foods (eating less at the next meal and using some of the extra calories to warm the body after the sugary meal) are gradually lost.
In the United States, the U.S. Food and Drug Administration (FDA) banned the sale of cyclamate in 1970 after lab tests in rats involving a 10:1 mixture of cyclamate and saccharin indicated that large amounts of cyclamates causes bladder cancer, a disease to which rats are particularly susceptible. The findings of these studies have been challenged[by whom?] and some companies are petitioning to have cyclamates reapproved. Cyclamates are still used as sweeteners in many parts of the world, and are used with official approval in over 55 countries.
Aside from sugar of lead, saccharin was the first artificial sweetener and was originally synthesized in 1879 by Remsen and Fahlberg. Its sweet taste was discovered by accident. It had been created in an experiment with toluene derivatives. A process for the creation of saccharin from phthalic anhydride was developed in 1950, and, currently, saccharin is created by this process as well as the original process by which it was discovered. It is 300 to 500 times as sweet as sugar (sucrose) and is often used to improve the taste of toothpastes, dietary foods, and dietary beverages. The bitter aftertaste of saccharin is often minimized by blending it with other sweeteners.
Fear about saccharin increased when a 1960 study showed that high levels of saccharin may cause bladder cancer in laboratory rats. In 1977, Canada banned saccharin due to the animal research. In the United States, the FDA considered banning saccharin in 1977, but Congress stepped in and placed a moratorium on such a ban. The moratorium required a warning label and also mandated further study of saccharin safety.
Subsequently, it was discovered that saccharin causes cancer in male rats by a mechanism not found in humans. At high doses, saccharin causes a precipitate to form in rat urine. This precipitate damages the cells lining the bladder (urinary bladder urothelial cytotoxicity) and a tumor forms when the cells regenerate (regenerative hyperplasia). According to the International Agency for Research on Cancer, part of the World Health Organization, “Saccharin and its salts was (sic) downgraded from Group 2B, possibly carcinogenic to humans, to Group 3, not classifiable as to carcinogenicity to humans, despite sufficient evidence of carcinogenicity to animals, because it is carcinogenic by a non-DNA-reactive mechanism that is not relevant to humans because of critical interspecies differences in urine composition.”
In 2001, the United States repealed the warning label requirement, while the threat of an FDA ban had already been lifted in 1991. Most other countries also permit saccharin, but restrict the levels of use, while other countries have outright banned it.
Main article: Aspartame
See also: Aspartame controversy
Aspartame was discovered in 1965 by James M. Schlatter at the G.D. Searle company (later purchased by Monsanto). He was working on an anti-ulcer drug and spilled some aspartame on his hand by accident. When he licked his finger, he noticed that it had a sweet taste. It is an odorless, white crystalline powder that is derived from the two amino acids aspartic acid and phenylalanine. It is about 200 times as sweet as sugar and can be used as a tabletop sweetener or in frozen desserts, gelatins, beverages, and chewing gum. When cooked or stored at high temperatures, aspartame breaks down into its constituent amino acids. This makes aspartame undesirable as a baking sweetener. It is more stable in somewhat acidic conditions, such as in soft drinks. Though it does not have a bitter aftertaste like saccharin, it may not taste exactly like sugar. When eaten, aspartame is metabolized into its original amino acids. It has the same food energy as proteins, but because it is so intensely sweet, relatively little of it is needed to sweeten a food product, and is thus useful for reducing the number of calories in a product.
Since the FDA approved aspartame for consumption, some researchers have suggested that a rise in brain tumor rates in the United States may be at least partially related to the increasing availability and consumption of aspartame. Some research, often supported by companies producing artificial sweeteners, has failed to find any link between aspartame and cancer or other health problems. Recent research showed a clear link between this substance and cancer, leading some experts to call for the FDA to pull aspartame from the market. This research has led the Center for Science in the Public Interest to classify aspartame as a substance to be avoided in its Chemical Cuisine Directory. However, the EFSA’s press release about the study, published on 5 May 2006, concluded that the increased incidence of lymphomas/leukaemias reported in treated rats was unrelated to aspartame, the kidney tumors found at high doses of aspartame were not relevant to humans, and that based on all available scientific evidence to date, there was no reason to revise the previously established Acceptable Daily Intake levels for aspartame.
Several European Union countries approved aspartame in the 1980s, with EU-wide approval in 1994. The European Commission Scientific Committee on Food reviewed subsequent safety studies and reaffirmed the approval in 2002. The European Food Safety Authority reported in 2006 that the previously established Adequate Daily Intake was appropriate, after reviewing yet another set of studies.
It has also been investigated and approved by the Joint Expert Committee on Food Additives of the United Nations Food and Agricultural Organization and World Health Organization.
Sucralose is a chlorinated sugar that is about 600 times as sweet as sugar. It is produced from sucrose when three chlorine atoms replace three hydroxyl groups. It is used in beverages, frozen desserts, chewing gum, baked goods, and other foods. Unlike other artificial sweeteners, it is stable when heated and can therefore be used in baked and fried goods. Sucralose is minimally absorbed by the body and most of it passes out of the body unchanged. The FDA approved sucralose in 1998.
Most of the controversy surrounding Splenda, a sucralose sweetener, is focused not on safety, but on its marketing. It has been marketed with the slogan, “Splenda is made from sugar, so it tastes like sugar.” Sucralose is a chlorinated sugar prepared from either sucrose or raffinose. With either base sugar, processing replaces three oxygen-hydrogen groups in the sugar molecule with three chlorine atoms.
The “Truth About Splenda” website was created in 2005 by The Sugar Association, an organization representing sugar beet and sugar cane farmers in the United States, to provide its view of sucralose. In December 2004, five separate false-advertising claims were filed by the Sugar Association against Splenda manufacturers Merisant and McNeil Nutritionals for claims made about Splenda related to the slogan, “Made from sugar, so it tastes like sugar”. French courts ordered the slogan to no longer be used in France, while in the U.S. the case came to an undisclosed settlement during the trial.
Safety concerns pertaining to sucralose revolve around the fact that it belongs to a class of chemicals called organochlorides, some types of which are toxic or carcinogenic; however, the presence of chlorine in an organic compound does not in any way ensure toxicity. The way sucralose is metabolized may suggest a reduced risk of toxicity. For example, sucralose is extremely insoluble in fat and thus does not accumulate in fat as do some other organochlorides; sucralose also does not break down and will dechlorinate only under conditions that are not found during regular digestion (i.e. high heat applied to the powder form of the molecule).
Lead acetate (sometimes called sugar of lead) is an artificial sugar substitute made from lead that is of historical interest because of its widespread use in the past, such as by ancient Romans. The use of lead acetate as a sweetener eventually produced lead poisoning in any individual ingesting it habitually. Lead acetate was abandoned as a food additive throughout most of the world after the high toxicity of lead compounds became apparent.
List of sugar substitutes
The three primary compounds used as sugar substitutes in the United States are saccharin (e.g., Sweet’N Low), aspartame (e.g., Equal, NutraSweet) and sucralose (e.g., Splenda, Altern). In many other countries xylitol, cyclamate and the herbal sweetener stevia are used extensively.
Natural sugar substitutes
Adenylic acid or adenosine monophosphate (AMP)
Brazzein protein, 800 sweetness of sucrose (by weight)
Curculin protein, 550 sweetness (by weight)
Erythritol 0.7 sweetness (by weight), 14 sweetness of sucrose (by food energy), 0.05 energy density of sucrose
Glycyrrhizin 50 sweetness (by weight)
Glycerol 0.6 sweetness (by weight), 0.55 sweetness (by food energy), 1.075 energy density, E422
Hydrogenated starch hydrolysates 0.40.9 sweetness (by weight), 0.51.2 sweetness (by food energy), 0.75 energy density
Isomalt 0.450.65 sweetness (by weight), 0.91.3 sweetness (by food energy), 0.5 energy density, E953
Lactitol 0.4 sweetness (by weight), 0.8 sweetness (by food energy), 0.5 energy density, E966
Luo han guo – 300 sweetness (by weight)
Mabinlin protein, 100 sweetness (by weight)
Maltitol 0.9 sweetness (by weight), 1.7 sweetness (by food energy), 0.525 energy density, E965
Mannitol 0.5 sweetness (by weight), 1.2 sweetness (by food energy), 0.4 energy density, E421
Miraculin protein, does not taste sweet by itself, but modifies taste receptors to make sour things taste sweet temporarily
Monatin naturally-occurring sweetener isolated from the plant Sclerochiton ilicifolius
Monellin protein, 3,000 sweetness (by weight)
Pentadin protein, 500 sweetness (by weight)
Sorbitol 0.6 sweetness (by weight), 0.9 sweetness (by food energy), 0.65 energy density, E420
Stevia 250 sweetness (by weight) – extracts known as rebiana, Truvia, PureVia; mainly containing rebaudioside A, a steviol glycoside
Tagatose 0.92 sweetness (by weight), 2.4 sweetness (by food energy), 0.38 energy density
Thaumatin protein, 2,000 sweetness (by weight), E957
Xylitol 1.0 sweetness (by weight), 1.7 sweetness (by food energy), 0.6 energy density, E967
Artificial sugar substitutes
Note that because many of these have little or no food energy, comparison of sweetness based on energy content is not meaningful.
Max permitted level
Standard 1.3.1 – Food Additives (Australian)
Liquid milk products and flavoured liquid milk
Acesulfame potassium 200 sweetness (by weight), Nutrinova, E950, FDA Approved 1988
Alitame 2,000 sweetness (by weight), Pfizer, Pending FDA Approval
Aspartame 160200 sweetness (by weight), NutraSweet, E951, FDA Approved 1981
Salt of aspartame-acesulfame 350 sweetness (by weight), Twinsweet, E962
Cyclamate 30 sweetness (by weight), Abbott, E952, FDA Banned 1969, pending re-approval
Dulcin 250 sweetness (by weight), FDA Banned 1950
Glucin 300 sweetness (by weight)
Neohesperidin dihydrochalcone 1,500 sweetness (by weight), E959
Neotame 8,000 sweetness (by weight), NutraSweet, FDA Approved 2002
P-4000 4,000 sweetness (by weight), FDA Banned 1950
Saccharin 300 sweetness (by weight), E954, FDA Approved 1958
Sucralose 600 sweetness (by weight), Kaltame, Splenda, Tate & Lyle, E955, FDA Approved 1998
Colour retention agent
List of unrefined sweeteners
Monellin (the sweetening ingredient in serendipity berries).
^ FDA No Calories… Sweet! http://www.fda.gov/fdac/features/2006/406_sweeteners.html
^ US FDA Website Guidance Documents http://www.cfsan.fda.gov/~dms/grasguid.html#Q1
^ FDA’s response to European Aspartame Study http://www.fda.gov/bbs/topics/NEWS/2006/NEW01369.html
^ Sweet on Stevia: Sugar Substitute Gains Fans, Columbia Daily Tribune, 23 March 2008
^ Sugar demand rising at expense of sweeteners, claims sugar industry
^ Sucralose breakthrough could smash Tate & Lyle monopoly
^ DeNoon, Daniel J. Reviewed by Charlotte Grayson Mathis MD. “Drink More Diet Soda, Gain More Weight? Overweight Risk Soars 41% With Each Daily Can of Diet Soft Drink”, WebMD Medical News (2005), accessed 2007-06-25
^ Swithers SE, Davidson TL (2008). “A role for sweet taste: calorie predictive relations in energy regulation by rats”. Behav Neurosci 122 (1): 16173. doi:10.1037/0735-7044.122.1.161.
^ Olney JW, Farber NB, Spitznagel E, Robins LN (November 1996). “Increasing brain tumor rates: is there a link to aspartame?”. J Neuropathol Exp Neurol. 55 (11): 111523. doi:10.1097/00005072-199611000-00002. PMID 8939194.
^ Aspartame: Questions & Answers; Study reaffirms safety of aspartame
^ Soffritti M, Belpoggi F, Degli Esposti D, Lambertini L, Tibaldi E, Rigano A (March 2006). “First experimental demonstration of the multipotential carcinogenic effects of aspartame administered in the feed to Sprague-Dawley rats”. Environ Health Perspect. 114 (3): 37985. PMID 16507461. PMC 1392232. http://www.ehponline.org/members/2005/8711/8711.html.
^ FDA Should Reconsider Aspartame Cancer Risk, Say Experts: New Rat Study Links Artificial Sweetener with Lymphomas, Breast Cancer
^ Food Safety: Food Additives
^ EFSA EU, press release 1472 EN
^ EFSA EU, afc_opinions, 1471 en
^ a b Daniel JW, Renwick AG, Roberts A, Sims J (2000). “The metabolic fate of sucralose in rats”. Food Chem Tox 38 (S2): S115121. doi:10.1016/S0278-6915(00)00034-X.
^ FDA approves new high-intensity sweetener sucralose
^ a b Bitter Battle over Truth in Sweeteners
^ Truth About Splenda, Sugar Association website
^ Food Standards Australia New Zealand. “Schedule 1”. http://www.foodstandards.gov.au/_srcfiles/Standard_1_3_1_Additives_Part_2_v103.pdf. Retrieved 3 May 2009.
^ Food Standards Australia New Zealand. “Standard 1.3.1 Food Additives”. http://www.foodstandards.gov.au/thecode/foodstandardscode/standard131foodaddit4239.cfm. Retrieved 3 May 2009.
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Article on artificial sweetenersPDF (183 KiB)
Calorie Control Council trade association for manufacturers of artificial sweeteners and products
v d e
E numbers – 950-969
Colours (E100199) Preservatives (E200299) Antioxidants & Acidity regulators (E300399) Thickeners, stabilisers & emulsifiers (E400499) pH regulators & anti-caking agents (E500599) Flavour enhancers (E600699) Antibiotics (E700799) Miscellaneous (E900999) Additional chemicals (E11001599)
Waxes (E900909) Synthetic glazes (E910919) Improving agents (E920929) Packaging gases (E930949) Sweeteners (E950969) Foaming agents (E990999)
Acesulfame K (E950) Aspartame (E951) Cyclamate (E952) Isomalt (E953) Saccharin (E954) Sucralose (E955) Alitame (E956) Thaumatin (E957) Neohesperidin dihydrochalcone (E959) Aspartame-acesulfame salt (E962) Maltitol (E965) Lactitol (E966) Xylitol (E967)
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