Food Causing Artificial Love Handles
In Short :
Like protein and cholesterol, fatty acids can be damaged due to the heating of food. And like damaged protein and cholesterol, damaged (trans-) fatty acids are unhealthy.
Natural fats are essential. For example, natural fats are required to successfully fight obesity, insomnia and depressions.
By consuming as much fruits in combination with some fresh raw animal food (like
sashimi or fresh raw egg yolk, requiring an hour rest to digest by the way), you will take in
all the nutrients you need
In Detail :
A lot of rubbish has been said about fat. Fat allegedly causes cancer, obesity, and vascular diseases. But there is nothing wrong with natural fats (they do not cause cancer).
(1) Cold pressed olive oil, fats from avocado and Brazil nuts, for example, are clean and healthy.
(2) Fat is the main source of energy in mother's milk, our primal food. The colon and the heart, for example, most importantly need fats to function. Fat is essential to absorb vitamins and minerals.
(3) Fat also supplies us with energy most effectively -- that’s why it is the main ingredient in mother’s milk. In nature, the availability of fat increases survival change.
Due to the influence of heat and/or hydrogenation, some unsaturated fatty acids are transformed into so called trans-fatty
acids. Particularly french fries (non-home made), margarine, meat, pastries
(4) and milk (5) contain trans-fatty acids. It is quite normal that fat used in bakeries may contain an average of 30% trans-fatty acids.
(6) An average portion of French fries contains 7 to 8 grams of trans fatty acids.
(7) Milk-trans fatty acids are extraordinarily susceptible to oxidation.
(8) Fat in milk averagely contains an average of 3% trans-fatty acids. (9) Prepared meat-fat contains 2 to 10.6%, and hydrogenated products contain up to 34.9% trans-fatty acids.
Its not true, however, that trans fats are only formed in oils that have been hydrogenated. Also heating of non-hydrogenated oils leads to the formation of trans fats, though to a significant lower extend.
The average intake of trans-fatty acids is 8 to 15 grams a day. (11)
By consuming prepared food, trans-fatty acids are incorporated into fat deposits. Fat deposits in average Americans already contain 4.7% trans-fatty acids.
(12) In Europe, the Dutch absorb the most; their body-fat contains 2.4% trans-fatty acids.
(13) A study showed a correlation between margarine consumption and trans-fatty acid contents in adipose tissue.
In pregnant women, consuming trans-fatty acids increases pre-eclampsia risk. (15)
Because prepared food contains oxidized fats, requiring more vitamin E (16), you need more vitamin E if you eat prepared foods.
All oil is damaged to some extend by heat. The point where the damage becomes apparent, is called "the smoking
point". Predominantly unsaturated oils are more vulnerable than saturated ones. The optimum heat for hydrogenation is 140-225°C, plus exposure to hydrogen, of course. Oxidation due to heat results in the formation of
Saturated fatty acids
Are saturated fatty acids unhealthier than unsaturated fatty acids?
Of course not. Avocados and Brazil nuts, for example, are very healthy. The fat in avocado and Brazil nut contain 14% and 26% saturated fatty acids, respectively, but that doesn't make these fruits less healthy. Specific unsaturated fats are essential, like specific amino acids (protein) are essential. But that does not mean that non-essential amino acids or saturated fats are unhealthy.
Its just that they are
not directly essential for construction purposes.
So why do you need saturated fats?
You need saturated fats for energy and to stabilize blood-glucose levels. (to prevent diabetes)
Sugars only supply you with short-term energy. Fats supply you with long-term energy, leveling the need for sugars.
Why are saturated fats considered to be bad?
Like protein and cholesterol, fatty acids can be damaged due to the influence of heat. Due to this damage, very often unsaturated fats become
saturated (trans fats are classified as saturated, though chemically still unsaturated). Therefore the percentage of essential unsaturated fatty acids to saturated fatty acids decreases due to food preparation.
(17) And therefore 'bad food' averagely indeed does contain more saturated fatty acids. But of course that does not at all implicate that saturated fatty acids are bad for your health. Only the damaged fatty acids are bad; the ones in prepared food.
It is also not true that all unsaturated fats are good; many damaged (due to heat), harmful fatty acids are unsaturated.
Unfortunately, even raw meat (and even raw fish) can contain trans-fatty acids, because very often cattle (and fish) are fed processed foods. And part of these processed foods even contains animal residues, like dead cattle. Imagine: herbivores forced to be cannibals.
‘Recycling' animal food causes diseases like 'mad cow's disease.Raw Brazil nuts, avocado, and salmon (that has consumed natural food only) only contain healthy fatty acids. Similarly, cold-pressed olive oil only contains clean and healthy fatty acids. (a trustworthy brand, that is)
Of course your body cannot cope very well with artificial substances like trans-fatty acids. Consuming trans-fatty acids can cause vascular diseases
(18), and increases breast cancer-risk. (19)
Logically, consuming margarine (20) increases vascular diseases-risk.
If the pregnant mother consumes trans-fatty acids, trans-fatty acid level in mother's milk increases.
(21) For the child’s sake, pregnant women should not consume dairy products, and as little prepared food as possible.
© 2000 Copyright Artists Cooperative Groove Union U.A.
Thanks to Richard.
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Abstracts of most sources can be found at the National Library of Medicine
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(2) La Vecchia, C. et al, Olive oil, other dietary fats, and the risk of breast cancer (Italy). Cancer Causes Control 1995 / 6 (6) / 545-550.
(3) Gijsbers, B.L. et al, Effect of food consumption on vitamin K absorption in human volunteers. Br. J. Nutr. 1996 / 76 (2) / 223-229. , Baghurst, K.I. et al, Demographic and dietary profiles of high and low fat consumers in Australia. J. Epidemiol. Community Health 1994 / 48 (1) / 26-32.
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(15) Williams, M.A. et al, Risk of preeclampsia in relation to elaidic acid (trans-fatty acid) in maternal erythocytes. Gynecol. Obstet. Invest. 1998 / 46 (2) / 84-87.
(16) Liu, J.F. et al, Dietary oxidized frying oil enhances tissue alpha-tocopherol depletion and radioisotope tracer excretion in vitamin-E-deficient rats. J. Nutr. 1996 / 126 (9) / 2227-2235.
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(22) Daniel, D.R. et al, Nonhydrogenated cottonseed oil can be used as a deep fat frying medium to reduce trans-fatty acid content in french fries. J Am Diet Assoc. 2005 Dec;105(12):1927-32.