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Various EXCERPTS regarding Canola Toxicity 2-17-2000
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from:
http://www.mercola.com/2000/jan23/index.htm
Healthy Natural News You Can Use
Issue #137 January 16, 2000
By Joseph Mercola, D.O.
Canola Oil Update
by Mary G. Enig, Ph.D.
Although canola oil is not a favorite oil with me for a number
of reasons (none of which were listed in the last article), the
statement suggesting that because it is used as an industrial
oil it is therefore not edible is not valid. Flax oil is also
used as an industrial oil for paint and linoleum, etc. But
when it is prepared as a food it is edible. Most oils have
been used at one time or another as industrial products. One
of the most edible of oils, coconut oil, is used for many
industrial products, especially for soaps and cosmetics.
Olive oil apparently has been used to make soap for as long as
it has been used as a food oil. Perhaps the most blatant error
and comparison made by Mr. Lynn, though, is that regarding
canola oil and mustard gas, which chemically has absolutely no
relationship to mustard oil or any other mustard plant.
Mustard gas is 2,2'-dichlorodiethyl sulfide and its preparation
using ethylene and sulfur chloride is given in the Merck Index.
It received its name because of the yellowish color of the gas
and the sulfur odor. Canola and regular rapeseed oils are
extracted from the seeds of several of the brassica plants --
the same family of plants from which we get vegetables such as
Brussels sprouts, broccoli, cabbage, kale, mustard greens, and
several other vegetables.
Of course, there is not much fat in these vegetables; but what
fat there is in some of them, e.g., mustard greens, is as much
as 29 percent erucic acid. Also, since glycosides (typical are
stevioside and other flavonoids) are basically water soluble,
I would not expect to find much of them in any oil. Those
glucosinolates found in rapeseed meal after the oil has removed
from the seeds are the same goiterogens that are found in the
brassica vegetables. One problem with canola oil is that it
has to be partially hydrogenated or refined before it is used
commercially and consequently is a source of trans fatty acids;
sometimes are very high levels. Another problem is that it is
too unsaturated to be used exclusively in the diet; some of the
undesirable effects caused by feeding canola can be rectified
if the diet is made higher in saturated fatty acids.
Mary G. Enig, Ph.D.
Director Nutritional Sciences Division
Enig Associates, Inc.
Silver Spring, Maryland
[EMAIL PROTECTED] FAX:(301)680-8100
COMMENT: What a great honor to have Dr. Enig respond to the
article last week on canola oil. Dr. Enig is a professor of
biochemistry at the University of Maryland who is one of the
top biochemists in the country. She is the main scientist in
this country who has brought the dangers of trans fat to the
public attention. Her web site on trans fat is phenomenal :
http://www.enig.com
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Modern-day diets high in hydrogenated vegetable oils instead
of traditional animal fats are implicated in causing a
significant increase in heart disease and cancer.
The particular mix of fatty acids in soy oil results in
shortenings containing about 40 per cent trans fats -- an
increase of about 5 per cent over cotton-seed oil and 15 per
cent over corn oil. Canola oil, processed from a hybrid form
of rape-seed, is particularly rich in fatty acids containing
three double bonds and can contain as much as 50 per cent trans
fats. Trans fats of a particularly problematic type are also
formed during the process of deodorising canola oil, although
they are not indicated on labels for canola oil.
from: The OILING of AMERICA -- Part 1 of 2:
http://www.peg.apc.org/~nexus/OilingAmerica.1.html
Extracted from Nexus Magazine, Volume 6, Number 1
(December 1998 - January 1999).
© 1998 by Mary G. Enig, PhD -- [EMAIL PROTECTED]
© 1998 by Sally Fallon -- [EMAIL PROTECTED]
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from:
Dr. Mary G. Enig, F.A.C.N.
" According to this research done by Canadian government
researchers, consuming canola oil increases the requirement
for Vitamin E. This is not desirable for a food purporting
to be healthy for the whole foods market. .... "
Authors: FD SAuer, ER FArnsworth, JMR Belanger, JKG Kramer,
RB Miller, S. Yamashiro, ISBN/ISSN: 0271-5317, Publisher
Pergamon-Elsevier Science Ltd, The Boulevard, Langford Lane,
Kidington, Oxford, England OX 5 iGB
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Officially, canola oil is known as "Low Erucic Acid" (a solid
fatty acid, derived from oils of mustard seeds and rape
seeds) -- rape industry experts love to tell how canola was
developed in Canada and that it is safe to use. They admit
it was developed from the rape seed, but that through genetic
engineering, i.e. irradiation, it is no longer rape seed, but
"canola" instead. "CAN-adian oil," get it?
Canola oil contains large amounts of "isothiocyanates" --
cyanide-containing compounds. Cyanide inhibits mitochondrial
production of adenosine triphosphate (ATP), which is the
energy molecule that fuels the mitochondria. ATP energy
powers the body and keeps us healthy and young!
Canola oil is also high in glycosides that cause serious
problems by blocking enzyme function and deprive us of our
life force -- chi, qi, prana, call it what you like.
Glycosides interfere with the biochemistry of humans and
animals. Their presence in rattlesnake venom inhibits muscle
enzymes and causes instant immobilization of the victim.
SOY AND CANOLA OIL GLYCOSIDES ALSO DEPRESS THE IMMUNE SYSTEM.
THEY CAUSE THE WHITE BLOOD CELL DEFENSE SYSTEM -- the T cells
to go into a stupor and fall asleep on the job. These oils
alter the bioelectric "terrain" and promote disease.
Alcohols and glycosides in canola and soy oils shut down our
protective grid -- the immune system. ... An alcohol is a
chemistry term for the "reactive" chemical group on an
organic molecule. Those "R" groups are what make organic
compounds work -- for good and bad! Canola alcohols and
glycosides are very reactive. They are as toxic as fermented
alcohols, but their effects manifest differently. The damage
takes years to show up.
from:
CANOLA OIL - RAPE SEED OIL OR "CANOLA"? By John Thomas
http://www.naturalhealthinfo.com/Library/canola_oil.htm
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From: Essential Oils Online
Health Watch:
Beware of Canola Oil
By Jim Lynn - Editor EOO
<[EMAIL PROTECTED]>
Canola Oil is an Industrial Oil
Not Fit For Human Consumption.
Canola oil was first developed in Canada. It's proponents
claim that due to GENETIC ENGINEERING and IRRADIATION, it is
no longer rape oil, but "canola" (Canadian oil). They also
claim it is completely safe, pointing to it's unsaturated
structure and digestibility.
Studies of canola oil done on rats indicate many problems.
Rats developed fatty degeneration of heart, kidney, adrenals
and thyroid gland. When the canola oil was withdrawn from
their diet, the deposits dissolved, but scar tissue remained on
the organs. Why were no studies done on humans before the FDA
placed it on the GRAS list?
Consumed in food, Canola oil depresses the immune system,
causing it to "go to sleep." Canola oil is high in glycosides
which cause health problems by blocking (inhibiting) enzyme
function. It's effects are accumulative, taking years to show
up. One possible effect of long term use is the destruction of
the protective coating surrounding nerves called the myelin
sheath. When this protective sheath is gone, our nerves
short-circuit causing erratic, uncontrollable movements.
The truth is however, that rape is the most toxic of all food
oil plants. Not even insects will eat it. No wonder farmers
like growing it.
Resources:
http://www.1999.com/canola/
http://www.geocities.com/HotSprings/1158/UPDATE.HTM
http://www.geocities.com/HotSprings/1158/CANOLA.HTM
- Perceptions, Aug/Sep 96 issue, The Great Canola Debate
- Perceptions, Nov/Dec 95 issue, The Devil's Bargain
- Book, Fats That Heal and Fats That Kill, by Udo Erasmus
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The Toxins Report Group
Canadians re-engineered rapeseed into "Can-ola" for
higher yields of toxic industrial chemicals.
Canola cannot be organic, never meant to be eaten.
Canola Report :
http://www.braintherapy.com/canola.htm
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http://bisleep.medsch.ucla.edu/discussions/clinicalP/messages/
Subject: Canola oil causing insomnia?
Message posted by Andrew Levin ([EMAIL PROTECTED])
on 18:6:19 6/16/96
Message:
I have had a problem with early wakening that eliminating
canola oil from my diet (cooking oils, margarines) seems to
have solved. ...
Erucic acid is one possibilty, having an effect on the
nerve sheath. Also canola oil has relatively high levels of
glucosinolates which are a natural pesticide and may have
some stimulant effect on the nervous system. The key point
with fat soluble compounds is they take days or longer to
decay out of the system so cause and effect can be difficult
to establish.
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The main genetically engineered crops in the United States are
soy, corn, canola, cotton, potatoes, papayas, and raddichio.
(You might say -- hey, I don't eat cotton. But cottonseed oil
is in many vegetable oil blends, which are in many processed
foods.)
It has been estimated that corn and soy alone are in 70 to 80
percent of U.S. processed foods. And since 40 percent of this
season's soybean crop and 30 percent of the corn crop have been
genetically engineered, you are probably eating genetically
engineered foods, whether you like it, or know it, or not.
from:
Focus on the Corporation -- a weekly column
written by Russell Mokhiber and Robert Weissman.
Focus on the Corporation columns are posted at
<http://lists.essential.org/corp-focus>.
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Another paper by Evelyn Hess of Cincinnati Medical Center lists
additional suspects:
-- Rapeseed (canola) oil, responsible for 35,000 cases of an
autoimmune disease in Spain;
from:
Study: Environmental Factors May Cause Body to Turn on Itself
http://foxnews.com/health/101399/autoimmune.sml
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MEDLINE:
Title
Effect of dietary cysteine supplements on canola meal
toxicity and altered hepatic glutathione metabolism
in the rat.
Author
Smith TK; Bray TM
Address
Department of Nutritional Sciences, University of Guelph,
Ontario, Canada.
Source
J Anim Sci; VOL 70, ISS 8, 1992, P2510-5
Secondary Source ID
TOXBIB/92/372495;
Abstract
Experiments were conducted to determine the effects of
feeding canola meal (Brassica campestris and Brassica
napus) on the rat hepatic glutathione detoxification
system and whether dietary cysteine supplements might
modify such effects. Rats were fed test diets for 14 d.
Body weight change, feed consumption, hepatic glutathione
concentration, and hepatic glutathione-S-transferase
(GSH-S-T) activities were determined. Weight gain was
decreased when canola meal was fed, whereas hepatic
glutathione concentrations increased, as did hepatic
GSH-S-T activity. All effects correlated with total
glucosinolate concentration in the canola meal. Dietary
cysteine supplements, however, did not influence the
growth reduction and increased hepatic glutathione
concentrations caused by feeding canola meal.
Supplemental cysteine prevented the elevation in hepatic
GSH-S-T activity. The elevation in hepatic glutathione
concentration caused by canola meals was not an
overcompensation caused by an initial depletion and
therefore reflected a general hepatotoxicity. Feeding
supplemental cysteine increased hepatic glutathione levels
at early time intervals and delayed the induction of
GSH-S-T caused by canola meal toxicity. There was no
beneficial effect of supplemental dietary cysteine in
overcoming the toxicity of high levels of canola meal, but
supplemental cysteine did modify the canola meal-induced
changes in hepatic glutathione metabolism.
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