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Home > Anti-aging Research > Canola Oil.
Canola Oil
News & Research:
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Canola oil protects against colon cancer, study suggests - Science
Daily, 4/19/11 - "canola oil inhibited the average
number of tumors per rat by 58 percent compared to one of the other two
control diets in the experiment, and inhibited the size of the tumors that
occurred by 90 percent ... canola oil inhibited the average number of tumors
per rat by 58 percent compared to one of the other two control diets in the
experiment, and inhibited the size of the tumors that occurred by 90 percent
... studies have indicated that if consumers use canola as household cooking
oil, it could push their ratio of Omega-6 to Omega-3 fatty acids to about 3
to 1. That's very desirable. Humans need Omega-6 fatty acids, too, but they
typically consume way too much of them in countries such as the United
States ... It should be less than 4 to 1. But in a typical American diet,
when we use other oil and butter, our ratio is 10 to 1 or higher. We consume
a lot more Omega-6 than Omega-3 fatty acids"
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Omega 3: Implications in Human Health and Disease - PowerPak.com -
"It should be noted, however, that flaxseed or flaxseed oil does not
contain EPA or DHA. Thus flaxseed and fish oil are not interchangeable sources of omega 3 fatty acids per se" - I believe the same holds true for canola oil - Ben
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Canola Oil May Affect Breast Cancer Risk - WebMD, 11/18/08 -
"Could the type of oil a woman consumes during
pregnancy influence her daughter's breast cancer risk years later? ...
pregnant women may be better off choosing canola oil over most other
vegetable oils ... Corn oil has 50% omega-6 and almost no omega-3, while
canola oil has 20% omega-6 and 10% omega-3,""
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Canola Oil for Popcorn? - Dr. Weil, 11/6/07
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Canola Oil Reduces Risk of Heart Disease - Intelihealth, 10/9/06 -
"Labels can say that limited
evidence suggests eating 19 grams -- about 1 1/2 tablespoons -- of canola
oil daily may reduce the risk of coronary heart disease due to its
unsaturated fat content, the FDA said"
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Healthy Oils Like Canola Key Sources of Fat in American Diet - investors.com, 1/13/05
- Diglyceride-Rich Foods May Promote Weight Loss - New Hope Natural Media, 1/30/03 -
"79 obese men and women from ages 19 to 75 were assigned to incorporate specific food products
that contained high amounts of diglycerides (from rapeseed oil, also known as Canola oil) or triglycerides (from rapeseed, soybean and safflower oils) in their diets for 24 weeks. All
participants were put on a low-calorie diet that contained 30% to 35% of energy as fat, 45% to 50% of energy as carbohydrate, and 15% to 20% of energy as protein ... Body weight and total fat mass decreased significantly in the group consuming diglycerides
by almost 4% and 8%, respectively, compared with those consuming triglycerides"
- Best Heart Benefits From Canola and Fish Oils -- Not Olive Oil - WebMD, 3/14/00 -
"Most people don't realize that the Lyon diet did not use olive oil ... Ten volunteers,
all with normal cholesterol levels, were given three meals composed of canola oil and bread, olive oil and bread, or salmon, with each meal totaling 50 g of fat ... The olive oil meal caused vessels to constrict by 34%, whereas the canola oil and salmon meals caused insignificant changes in blood vessels, Vogel
reports. Because such constrictions injure the blood vessels' endothelium, they contribute to heart disease"
Abstracts:
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Differential effects of dietary canola and soybean oil intake on oxidative
stress in stroke-prone spontaneously hypertensive rats - Lipids Health
Dis. 2011 Jun 13;10(1):98 - "Canola oil shortens the
life span of stroke-prone spontaneously hypertensive (SHRSP) rats compared
with rats fed soybean oil when given as the sole dietary lipid source. One
possible mechanism leading to the damage and deterioration of organs due to
canola oil ingestion is oxidative stress ... Canola oil ingestion
significantly decreased the life span of SHRSP rats compared with soybean
oil, 85.8 +/- 1.1 and 98.3 +/- 3.4 days, respectively. Systolic blood
pressure increased over time with a significant difference between the diets
at the 6th week of feeding. Canola oil ingestion significantly reduced RBC
superoxide dismutase, glutathione peroxidase and catalase activities, total
cholesterol and low-density lipoprotein cholesterol compared with soybean
oil. There were no significant differences in RBC MDA concentration between
canola oil fed and soybean oil fed rats. In contrast, plasma MDA and
8-isoprostane concentration was significantly lower in the canola oil group
compared to the soybean oil group"
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Effects
of canola and corn oil mimetic on Jurkat cells - Lipids Health Dis. 2011
Jun 1;10(1):90 - "The Western diet is high in
omega-6 fatty acids and low in omega-3 fatty acids. Canola oil contains a
healthier omega-3 to omega-6 ratio than corn oil ... There was a significant
difference in the lipid profiles of the cells after treatment. Differential
action of the oils on inflammatory molecules, following treatment at non-cytotoxic
levels, indicated that canola oil mimetic was anti-inflammatory whereas corn
oil mimetic was pro-inflammatory. Significance: These results indicate that
use of canola oil in the diet instead of corn oil might be beneficial for
diseases promoted by inflammation"
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Chemopreventive Effects of Dietary Canola Oil on Colon Cancer Development
- Nutr Cancer. 2011 Jan 24:1 - "Dietary canola oil
significantly (P < 0.05) decreased colonic tumor incidence and tumor
multiplicity as compared to dietary corn oil in rats. Fatty acid analysis
showed that corn oil group had higher levels of ω-6 fatty acid levels,
whereas the canola oil groups exhibited higher levels of ω-3 fatty acids
from the colon and serum samples of rats. For the mechanistic study, COX-2
expression in the colon samples from the canola oil group was significantly
lower (P < 0.05) as compared to the corn oil group. Taken together, dietary
canola oil may be chemopreventive for colon tumor development in Fischer
rats as compared to possibly by increasing ω-3 fatty acid levels and
decreasing COX-2 levels"
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