Transvetzuren ontstaan bij hydrogenering
van plantaardige vloeibare olie (zonnebloemolie, sojaolie etc) naar vaste vetten, deze
vetten blijven langer houdbaar en worden oa gebruikt voor het bakken van fastfood, chips,
bakkerijprodukten, patat etc. Terwijl men in Nederland bang is gemaakt voor verzadigde
dierlijke vetten vergeet men de echte gevaarlijke vetten in de industriefood en fastfood
produkten.
Op de labels van produkten staan echter
alleen de waardes van verzadigd vet maar niet de waardes van de veel gevaarlijker
transvetzuren die volop aanwezig zijn in de fastfood/industrie voeding.
In Amerika is dit sinds 2005 echter wel
verplicht maar Europa maakt zich liever drukker om andere zaken. Deze ambtenarij zorgt
iedere dag weer voor dodelijke slachtoffers zonder dat de media zich er echt druk om
maken. Omdat de kranten weer eens zwijgen een kleine opsomming van de risico's mbt
transvetzuren. Het ontstaan van deze vetzuren vindt u op deze pagina:
De Deense overheid heeft al in 2003
drastisch stappen genomen om haar bevolking te beschermen tegen deze gevaarlijke vetzuren.
Het is te hopen dat in 2006 ook het muntje valt bij de heren in Den Haag.....
De risico's van transvetzuren:
Verhoogde kans op aderverkalking
Negatieve effecten op groei van de foetus
Verhoogde kans op diabetes
Tien keer grotere kans op hart en
vaatziektes !!!
Verhoogde kans op allergie bij kinderen
Het Deense onderzoek noemt ook de
verschillen qua risico op hart- en vaatziektes bij verzadigd vet en transvetzuren:
Dagelijkse inname van 5 gram verzadigd
vet > 2% extra risico
Dagelijkse inname van 5 gram transvetzuren > 25% extra risico
De Amerikaanse FDA noemt 2 gram per dag als
redelijk veilig.
Een klein zakje franse frietjes bevat al 3.5 gram, een zakje magnetron popcorn maar liefst
10 gram.....
In 1996 stond Nederland samen met Ijsland
bovenaan de Europese lijst qua inname per persoon van transvetzuren (4.3 gram per dag).
Laagste land was Griekenland met gemiddeld 1.4 gram per persoon per dag.
In Engeland komt er ook steeds meer verzet
tegen produkten met transvetzuren. Men wil dat Europa Denenmarken gaat volgen en het
publiek informeert over de hoeveelheden transvetzuren in produkten zodat de consument weet
wat hij koopt. Een mogelijk alternatief voor harde plantaardige vetten zou
palmvet/kokosvet kunnen zijn. Een speler uit Nederland op dit gebied is Loders Croklaan.
Amerikaanse onderzoekers noemen ook een
verhoogde kans op galstenen bij mensen die een hogere inname van transvetzuren hebben.
Ron
Meer doden door transvetten dan in het
verkeer !
En wat doet de overheid? Helemaal niets, in
dit geval wordt de vervuiler beloond en kijkt de overheid toe. Dit noemen ze in Den Haag
preventie.
Video - De Gevaren van Transvet,
(gedeeltelijk) gehard vet, geharde olie
Transvetten (transvetzuren) zijn kunstmatig
gefabriceerde vetten die zeer slecht zijn voor uw gezondheid. De gezondheids risico's van
transvetten: obesitas, kanker, dichtslibben van de aderen, geboorte afwijkingen, diabetes,
hoge cholesterol, hart en vaatziektes, allergie bij kinderen, etc.
Voedingsproducten bevatten transvet als er
één van de volgende ingredienten bevat: (gedeeltelijk) gehard vet, (gedeeltelijk)
geharde olie, gehydrogeneerde vet/olie.
Doe uw gezondheid een plezier en verwijder
deze chemische substantie uit uw voeding!
"Mijn volk gaat te gronde door het
gebrek aan kennis." Hosea 4:6 (NBG51)
"Wijsheid verwerven, inzicht
verkrijgen, dat moet je boven alles gaan." Spreuken 4:7 (GNB96)
Opnieuw een hoofdrol voor transvetzuren, de
zogenaamde geharde plantaardige vetten, die met name voorkomen in industrievoeding,
fabrieksbrood (supermarkten zoals Aldi, Plus etc etc ) en het beruchte koffiemelkpoeder
(1/3 gehard vet!!) dat sommige mensen iedere dag in hun koffie doen (met name
koffiemachines op het werk). Ditmaal een relatie tussen inname van transvetzuren door
zwangere moeders en het effect op het vet van de baby. Bij ratten zorgde dit voor 40%
vettoename en verhoogde insuline produktie (dus meer kans op diabetes 2).
Vermijdt dus alles dat geharde plantaardige
vetten bevat, de supermarkten liggen er vol mee, fabrikanten blijven deze ziekmakers dag
in dag uit gebruiker omdat ze goedkoop zijn, ten kosten van uw gezondheid !
Ron
Pregnant mothers' diet linked to baby's
obesity
Pregnant and lactating rats fed on a diet of hydrogenated fat during pregnancy and
lactation had babies who were fatter than rats fed a normal diet, according to research
published in Lipids in Health and Disease. The unhealthy diet has deleterious consequences
even after the fats were removed from the diet and has links to insulin production.
“We know that foetal growth is
influenced by the mother’s nutritional status,” explained Brazilian nutritionist
Luciana Pisani. ”The nutritional conditions during pregnancy has a major role in the
metabolic and hormonal interactions between the mother’s body, placenta and foetus.
To date only a few studies have looked at the effects on trans fatty acids during
pregnancy and lactation on the metabolism of offspring in adulthood. We found that the
fatty content of the babies’ bodies increased when the mothers were fed the
hydrogenated fat rich diet and this could be traced to the gene expression of
adipokines.”
In an investigation to examine whether
feeding pregnant and lactating rats hydrogenised fats rich in trans fatty acids, increased
the fat content in carcass, the researchers found that their metabolic rate dropped
dramatically. Interestingly young rats that were fed a normal diet after they were born
ate less and weighed less even though their mothers had been eating the trans fatty acids
while pregnant. The gene expression of adipokines was also examined in relation to insulin
production.
The offspring were weighed weekly and
exposure to the trans-fatty acid enriched diet after weaning led to a 40% increase in body
fat content for the young rats. Rats whose mothers were fed the trans fatty acids and
continued to eat the fats into adulthood had the highest metabolic efficiency. The same
rats increased their insulin production.
Pisani continued, “Fats play a
fundamental role in foetal development and changes in dietary fatty acids has important
implications for foetal and postnatal development. Heavy ingestion of very hydrogenated
fats rich in trans fatty acids increases risk of cardiovascular diseases and reduces
insulin sensitivity and so leads to type 2 diabetes. We need to investigate this further
as this has important implications for people’s own diets, especially pregnant
women.”
Natuurlijke transvetzuren in zuivel
en vleesprodukten geen probleem
Natural trans fats have health benefits,
University of Alberta study shows
Contrary to popular opinion, not all trans fats are bad for you.
University of Alberta researcher Flora Wang
found that a diet with enriched levels of trans vaccenic acid (VA) – a natural animal
fat found in dairy and beef products – can reduce risk factors associated with heart
disease, diabetes and obesity Results indicated this benefit was due in part to the
ability of VA to reduce the production of chylomicrons – particles of fat and
cholesterol that form in the small intestine following a meal and are rapidly processed
throughout the body. The role of chylomicrons is increasingly viewed as a critical missing
link in the understanding of conditions arising from metabolic disorders. “Our
results provide further evidence of the important role of chylomicrons in contributing to
risk factors associated with metabolic disorders,” said Wang, a PhD candidate in the
University of Alberta Faculty of Agricultural, Life and Environmental Sciences. “They
also indicate a strong opportunity for using diets with enhanced VA to help reduce these
risk factors.” The research involved two VA feeding trials – one short-term
(three weeks) and one long-term (16 weeks) – using model rat species for obesity and
the metabolic syndrome. The results, presented recently at the International Symposium on
Chylomicrons in Disease, included novel findings that VA may have direct effects on the
intestine. In addition, they showed key metabolic risk factors were reduced. For example,
in the long-term trial, total cholesterol was lowered by approximately 30 per cent, LDL
cholesterol was lowered by 25 per cent and triglyceride levels were lowered by more than
50 per cent. Because VA is the major natural trans fat in dairy and beef products,
comprising more than 70 per cent of the proportion of natural trans fat content in those
products, the findings support a growing body of evidence that indicates natural
animal-based trans fat is different than harmful hydrogenated trans fat created through
industrial processing, Wang noted. “As the VA results illustrate, some natural trans
fats are not harmful and may in fact be very good for you,” she said.
Transvetzuren (gehard plantaardig
vet) slecht voor neurologische
ontwikkeling kinderen
Recentelijk is er onderzoek gedaan naar de
relatie tussen de neonatale transvetzuur status en de neurologische ontwikkeling van
gezonde op tijd geboren kinderen. Er kwam uit naar voren dat hoe meer transvetzuren er in
de navelstreng van het kind zaten des te slechter de neurologische conditie van het kind
op 18 maanden. Dit is de eerste keer dat de relatie tussen transvetzuren en neurologische
ontwikkeling in een grote groep bekeken is.
Referentie: Bouwstra H, Dijck-Brouwer J,
Decsi T, Boehm G, Boersma ER, Muskiet FA, Hadders-Algra M. Neurologic condition of healthy
term infants at 18 months: positive association with venous umbilical DHA
status and negative association with umbilical trans-fatty acids. Pediatr Res.
2006;60:334-9.
Foute transvetzuren zorgen voor
extra gewichtstoename
Uit de bekende Nurses Health Study blijkt
dat vrouwen die regelmatig transvetzuren eten zwaarder zijn geworden dan vrouwen die
andere vetten eten. Voor elke procent (van de calorien) meer die uit transvet komt is een
toename van 1 kilo in 8 jaar. Komt dus 6% van je caloriën uit transvetten dan kom je in
bijvoorbeeld 16 jaar 12 extra kilo's aan. Transvetten zitten oa in geharde plantaardige
vetten, patat van een ongezond bakkende cafetaria (60% vd cafetaria's in Nederland) ,
muffins, cake, koekjes, melkpoeder. In de jaren 80 was met name frituurvet en margarine de
boosdoener met percentages transvet tussen de 24 en 65% terwijl de Deense norm nu 0.5%
is.......
Op dit moment liggen de transvetzuren onder
vuur. Amerika en Canada hebben labelverplichting, Denmark zeer strenge regels voor
produkten die in het land geconsumeerd worden maar alleen Europa pakt op zijn dooie gemak
de transvetzuren aan. De industrie kan in alle rust de produkten aanpassen en ook
cafetaria's die niet gezond willen bakken worden niet genoemd op de site gezond frituren.
De Europese consument mag nog steeds niet weten wat we kopen dus je kunt alleen afgaan op
labels waarop staat (gedeeltelijke) gehard plantvaardige vet. Met name gebak, croissants,
broodjes, koekjes, chips waar goedkope vetten zijn gebruikt bevatten deze zeer gevaarlijke
vetten.
Bij het maken van croissants wordt soms
slechte, ongezonde margarine gebruikt. De afbakcroissants van de merken Schoof, €
Croissants en Euro-bread (te koop bij Jumbo, Super de Boer, Plus en Hoogvliet) bevatten
daardoor onnodig veel van het schadelijke transvet. Dat blijkt uit onderzoek van de
Consumentenbond. In goede margarine is het gehalte transvet praktisch nul. Daarom is het
vreemd dat juist de margarine-afbakcroissants van Schoof, € Croissants en Euro-bread
het meeste transvet bevatten, méér dan de roomboter-croissants. Dat duidt op het gebruik
van ouderwetse en goedkope margarine.
A debate on the phasing-out of industrially
produced trans fatty acids in food products has been initiated over the last few years in
the EU, and particularly in the USA. In Denmark, this debate started in 1994 following the
publication of the Danish Nutrition Council’s first report, which actually dealt with
trans fatty acids and contributed to a significant fall in the consumption of these fatty
acids by Danes.
On March 11, 2003 the Danish government
decided to phase out the use of industrially produced trans fatty acids in food before the
end of 2003. We hope that this report can provide a useful tool in work on eliminating
these fatty acids, which are harmful to health, from food products, also in countries
outside Denmark.
The report ‘The influence of trans
fatty acids on health’ published
in 1994 by the Danish Nutrition Council concluded that trans
fatty acids in the diet promote arteriosclerosis at least as much as
equivalent amounts of saturated fats and probably more, and that
there are justified suspicions that a high trans fatty acid intake may
have adverse effects on foetal growth. It was therefore recommended
that a declaration of trans fatty acid levels in foodstuffs be dealt
with by the EU. An agreement was also concluded with the Danish
margarine industry to reduce the trans fatty acid content of margarines
produced in Denmark.
Since 1994, the influence of a high intake
of industrially produced
trans fatty acids in promoting the development of heart disease has
been further documented by, among other things, the presentation of
four major prospective population studies. The studies indicate that,
gram for gram, the intake of trans fatty acids as compared with saturated
fatty acids is associated with an approximately 10-fold higher risk
increment for the development of heart disease. The suspicion of an
adverse effect of trans fatty acids early in life has been further confirmed.
The possible effect of trans fatty acids on the development of cancer is
still unclarified. Data from both epidemiological and mechanism
studies gives rise to the justified suspicion that trans fatty acids increase
the risk of type 2 diabetes. Studies have also been presented justifying
further studies concerning the possible effect of trans fatty acids in
promoting allergic diseases in children and concerning the possible
influence of trans fatty acids on body fat distribution and insulin
sensitivity.
Monkeys fed a diet rich in trans-fats
– commonly found in fast foods – grew bigger bellies than those fed a diet rich
in unsaturated fats, but containing the same overall number of calories. They also
developed signs of insulin resistance, which is an early indicator of diabetes.
Food Industry Mulls Dropping
Obesity-Linked Trans Fats
Trans fats have been fingered as a major
culprit in America's bourgeoning obesity problem, in increasing the risk of heart disease
- and they are possibly also a factor behind childhood allergies, asthma, and other
conditions.
The Danger of Hydrogenated or
Partially Hydrogenated Fats
Increases blood insulin levels in humans in
response to glucose load, increasing risk for diabetes;
Raises the LDL cholesterol in a dose response manner;
Lowers the "good" HDL cholesterol in a dose response manner (the higher the
trans level in the diet, the lower the HDL cholesterol in the serum);
The fast food chain KFC is being sued for the fat content in its fried chicken, which
Center for Science in the Public Interest says contains "staggering amounts" of
trans fat.
One three-piece Extra Crispy combo meal has 15 grams of trans fat, which is more trans fat
than a person should have in one week, says the CSPI.
A gram of trans fat is four- to ten times
more dangerous to heart health than a gram of saturated fat, and the World Health
Organization has recommended countries move – as Denmark did last year – to
eliminate transfats. At about 10 grams a day, Canada has one of the world’s highest
consumption rates of transfats. The New England Journal of Medicine says consuming one
gram a day increases the risk of heart disease by 20 per cent.
"Families want protection from
dangerous trans fats and the NDP’s calling on all parties to provide it," said
Layton. "Canada should move as quickly as we can to get dangerous transfats out of
the food our families eat. Let’s show Ottawa can listen to people and respond to
their concerns – and improve public health in the process.
"Transfats are found everywhere and
are a clear danger to Canadians’ hearts," said Layton. "And with transfats
being most prevalent in highly processed foods, low-income and older Canadians are
particularly at risk. It’s time to act against transfats, and pass sensible
legislation that requires the food industry to get it out of families’ food
faster."
The Food and Drug Administration (FDA) now
requires food manufacturers to list trans fat (i.e., trans fatty acids) on Nutrition Facts
and some Supplement Facts panels. Scientific evidence shows that consumption of saturated
fat, trans fat, and dietary cholesterol raises low-density lipoprotein (LDL or
"bad") cholesterol levels that increase the risk of coronary heart disease
(CHD). According to the National Heart, Lung, and Blood Institute of the National
Institutes of Health, over 12.5 million Americans suffer from CHD, and more than 500,000
die each year. This makes CHD one of the leading causes of death in the United States
today.
FDA has required that saturated fat and
dietary cholesterol be listed on the food label since 1993. By adding trans fat on the
Nutrition Facts panel (required by January 1, 2006), consumers now know for the first time
how much of all three -- saturated fat, trans fat, and cholesterol -- are in the foods
they choose. Identifying saturated fat, trans fat, and cholesterol on the food label gives
consumers information to make heart-healthy food choices that help them reduce their risk
of CHD.
This revised label, which includes
information on trans fat as well as saturated fat and cholesterol, will be of particular
interest to people concerned about high blood cholesterol and heart disease. However, all
Americans should be aware of the risk posed by consuming too much saturated fat, trans
fat, and cholesterol. But what is trans fat, and how can you limit the amount of this fat
in your diet?
Trans fat information is coming to
a food label near you!
This really is big news. For years you've
probably been avoiding saturated fats in foods while trans fats have escaped unnoticed.
These "stealth fats" will no longer be able to hide in food and do their damage
to your health without your knowledge. The Food and Drug Administration established a rule
in 2003 requiring food manufacturers and makers of some dietary supplements to include
trans fat information on the nutrition label of their products. All food labels must
include this information by 2006, although some manufacturers are beginning to make the
change already.
While reviewing guidelines on daily
requirements for protein, fat, and carbohydrates, the Institute of Medicine drafted a
letter to the Food and Drug Administration on trans fats. Here's the institute's bottom
line: There's no safe daily level for trans fat intake, and we should eat as little of
them as possible.
That might be easier to do if you could
tell if trans fats are in a food and, if they are, how much it contains. Take one of
Entenmann's Rich Frosted Donuts. According to the Center for Science in the Public
Interest, the five grams of saturated fat listed on its label are bad enough. But when you
add in the unlisted five grams of trans fat, the total is half a day's allotment of
unhealthy fat.
New tests find that McDonald's French fries contain higher levels of trans fats than
previously disclosed. The new tests found 8 grams of trans fats in a large servinig of
fries -- one-third more than McDonald's claimed. Trans fats contribute to harmful
cholesterol buildup and heart disease. Official U.S. government dietary guidelines
recommend next to zero consumption of trans fats.
Our results suggest that a higher intake of
trans-fatty acids modestly increases risk of gallstone disease. This adds to the concern
that partial hydrogenation of vegetable oils to form shortening and margarine can lead to
adverse health effects,” conclude the researchers in the May 9 issue of the Archives
of Internal Medicine.
The European Food Safety Authority has said
that they may cause more damage than saturated fats. Some think that as little as 1g a day
will significantly increase your risk of heart disease." Trans fats raise the levels
of "bad" (LDL) cholesterol in the blood, and lower the levels of
"good" (HDL) cholesterol, so increasing your risk of coronary heart disease.
They have also been linked to type-2 diabetes.
Marks & Spencer’s commitment to
remove all hydrogenated fats from its entire food range by mid 2006 suggests that
awareness of trans fats has now fully hit Europe.
The firm is the first major retailer in the
UK to place a blanket ban on hydrogenated fats, and could set in place a trend that
snowballs, with consumer choice increasingly informed by health and nutritional knowledge.
Salmerón J, Dr., Unidad de Investigación
Epidemiológica y en Servicios de Salud,Instituto Mexicano del Seguro Social, Cuernavaca
Morelos, México.
Conclusions: These data suggest that total fat and saturated and monounsatu-rated fatty
acid intakes are not associated with risk of type 2 diabetes in women,but that trans
fatty acids increase and polyunsaturated fatty acids reduce risk.
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likely reduce the risk of type 2 diabetes substantially. Based on the previously reported
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