stop trans fats

HOW IS MARGARINE MADE?

Ever wonder how is margarine made?

Many people probably know it is made by a process called hydrogenation. But few are aware of the details of what goes on during hydrogenation.

Here is a step-by-step description of the hydrogenation process.


How is margarine made: Step 1

Margarine makers start with cheap. poor quality vegetable oils, such as corn, cottonseed, soybeans, safflower seeds and canola.

These oils have already turned rancid from being extracted from oil seeds using high temperature and high pressure. Rancid oils are loaded with free radicals that react easily with other molecules, causing cell damage, premature aging and a host of other problems.

The last bit of oil is removed with hexane, a solvent known to cause cancer. Although this hexane subsequent removed, traces of it are inevitably left behind.

Unfit for consumption

Moreover, some of these oils are not suitable for human consumption to begin with.

Cottonseed oil, one of the most popular margarine ingredients, has natural toxins and unrefined cottonseed oil is used as a pesticide. The toxin, gossypol, is removed during refining.

Cottonseed oil also contains far too much Omega-6 fatty acids in relation to Omega 3. While both Omega 6 and Omega 3 are essential fatty acids, an imbalance between the two is widely believed to cause various health problems, including heart disease.

Most experts on the subject believe that a healthy ratio of omega 3 to omega 6 is between 1:1 and 1:2. Cotton seed oil, however, has over 50 percent omega 6 and only trace amounts of Omega 3, giving a ratio of 1: several hundred or more.

As cotton is one of the most heavily sprayed crops, there are also concerns that cottonseed oil may be highly contaminated with pesticide residues. However, insufficient testing has been done.

Canola oil, which is widely touted as the healthiest oil of all, has problems as well. Consumption of Canola has been linked with vitamin E deficiency as well as growth retardation. For this reason, Canola oil is not allowed to be used in the manufacture of infant formula.

The oils used for making margarine are also among the Big Four genetically modified crops – soy, corn, rapeseed / Canola and cotton.


How is margarine made: Step 2

The raw oils for making margarine are steam cleaned. This destroys all the vitamins and antioxidants.

However, the residues of pesticides and solvents – that is, hexane – remain.


How is margarine made: Step 3

The oils are mixed with finely ground nickel, a highly toxic substance that serves as a catalyst for the chemical reaction during the hydrogenation process.

Other catalysts may be used, but these, too, are highly toxic.



How is margarine made: Step 4

The oils are then put under high temperature and pressure in a reactor.

Hydrogen gas is introduced. The high temperature and pressure, together with the presence of nickel catalyst, causes hydrogen atoms to be forced into the oil molecules.

If the oil is partially hydrogenated, it turns from liquid into a semi-solid.

Trans fats are formed during partial hydrogenation. These are fat molecules that have been twisted out of shape. In liquid oils, the molecules are bent, with the hydrogen atoms on opposite sides of each other.

During partial hydrogenation, the molecules are somewhat straightened and now all the hydrogen molecules are on the same side.

If the oil is fully hydrogenated, it turns into a hard solid that cannot be eaten. It no longer contains trans fats because the "out of shape” oil molecules have all been broken up to form straight chains. But this does not mean they have become healthy again because of all the unnatural steps above.



How is margarine made: Step 5

What comes out of the partial hydrogenation process is a smelly, lumpy, grey grease.

To remove the lumps, emulsifiers – which are like soaps – are mixed in.


How is margarine made: Step 6

The oil is steam cleaned (again!) to remove the odor of chemicals. This step is called deodorization and it again involves high temperature and high pressure.


How is margarine made: Step 7

The oil is then bleached to get rid of the grey color.


How is margarine made: Step 8

Synthetic vitamins and artificial flavors are mixed in.

A natural yellow color is added to margarine, as synthetic coloring is not allowed!

In fact, early last century, all coloring was not allowed and margarine was white. This was to protect consumers so that they do not get butter and margarine mixed up.


How is margarine made: Step 9

Finally, the margarine is promoted to the public as a health food – with the full endorsement of many scientists, doctors, nutritionists and health authorities.

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TRANS FAT WEBSITES
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TRANS FATS COMMENTARIES
Why Singapore refuses trans fat labelling
Trans fats and the HPB
Jan 07: Positive labelling - not always helpful
DEC 06: Trans vs saturated fats -- Health authorities out of touch
OCT 06: New York considers baning trans fats
AUG 06: Saturated fats may actually be good
NOV 05: A big fat movement
TRANS FAT NEWS
Jan 07 – Trans fats affect fertility
Jan 07: Trans fat labelling in Korea
Jan 07: Trans fat labelling in Taiwan
Oct 06 - Jan 07
Jan 06 - Sep 06
Trans fats in Denmark
Trans fats in the US
Trans fats in the UK
Trans fats in Singapore
DANGERS OF TRANS FATS
Heart disease
Obesity / Diabetes
Trans fats and infertility
Cell membranes / immunity / brain function
UNDERSTANDING
FATS AND OILS
What is trans fat?
Interesterified fat - worse than trans fat?
Trans fat and saturated fat - the differences
Benefits of saturated fats
Butter v margarine
Margarine is 'plastic'
How is margarine made?
High cholesterol foods – healthy, not harmful!
WHO recommendations on trans / saturated fat intake
Trans fat on nutrition facts labels
No trans fat... but still no good!
Benefits of coconut oil
UNDERSTANDING DISEASES
Do saturated fats cause heart disease?
Saturated fat and cancer - is there a link?
TRANS FAT HEROES AND
OTHER PERSONALITIES
Stephen Joseph
Mary Enig
Walter Willett
Steen Stender
Oliver Tickell of tfX
Uffe Ravnskov
Ancel Keys
Yours truly, Richard Seah

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