• Hey, guest user. Hope you're enjoying NeoGAF! Have you considered registering for an account? Come join us and add your take to the daily discourse.

Cooking with vegetable oils releases toxic cancer-causing chemicals, say experts.

Status
Not open for further replies.

kirby_fox

Banned
One of these days they're going to figure out the cause of cancer is something else entirely unrelated to carcinogens. Only then will they be able to cure it.
 

linsivvi

Member
So, why do these experts ignore canola oil?
Canola oil goes through a similar factory process that makes it highly unhealthy.
http://thecoconutmama.com/how-canola-oil-is-made/?m
Once the rapeseed is collected, magnetized rods attempt to remove any foreign metal that may have been introduced into the collection of seed.

Afterwards, a 60+ minute wash of a hexane solvent.
After the hexane wash is complete, a wash of sodium hydroxide is performed.

The “natural” waxes are collected and used to aid in the creation of vegetable shortening.

Bleach is then introduced to lighten the cloudy color of the processed oil.

Steam injection is then applied to remove the bitter smell

Olive and cococnut oils are good because they were extracted without going though a disgusting process like above.
 
Bleach? FUCKING BLEACH?

The oil bleaching process hasn't used actual bleach (the base) in since the early 1900s. The bleaching process today uses bleaching clay, a type of absorbent. Its a fine sand like material that acts similarly to activated carbon or silica.

Just to give you a rundown on actual oil processing.

1) Extraction (can be done with solvent or pressing)
2) Degumming (usually done with citric acid and water)
3) Neutralization (removal of free fatty acids with sodium hydroxide, creating soap)
4) Bleaching (using absorbents to remove excess soap and remove color bodies)
5) Deodorization (high temperature and low pressure distillation of volatile components with steam injection)

There are separations between each step to remove the unwanted material formed.

The end result is a low color, low odor, stable and relatively taste-less oil.

www.lipidlibrary.com is a good resource if you want to know more information about vegetable oil processing.

Olive and cococnut oils are good because they were extracted without going though a disgusting process like above.

my facility solvent extracts olive and coconut oilseed meal. The type of oil does not signify how it was extracted unless it is classified as virgin or extra virgin oil.
 

careful

Member
What about 'light' olive oil?
Seems to fly under the radar a lot, but I saw on a smoke point chart that 'light' olive oil was one of the top oils at around 468F, so I've been using mostly that for my high temperature cooking.
 

jmdajr

Member
What about 'light' olive oil?
Seems to fly under the radar a lot, but I saw on a smoke point chart that 'light' olive oil was one of the top oils at around 468F, so I've been using mostly that for my high temperature cooking.

Same here. You know what else has a high flash point?

Grapeseed oil. And it's not that expensive.
 
What about 'light' olive oil?
Seems to fly under the radar a lot, but I saw on a smoke point chart that 'light' olive oil was one of the top oils at around 468F, so I've been using mostly that for my high temperature cooking.

Depending on the brand light olive oil is either lower quality olive oil or olive oil blended with vegetable oils.
 

Akuun

Looking for meaning in GAF
There's so much cancer around me that I should probably just shoot myself and get it over with.

Seriously though, I wonder if other studies back this up because this flies in the face of a lot of things.
 

mantidor

Member
But isn't olive oil bad too when used to fry stuff?

I read somewhere that olive oil is healthy when used pure, but when used to fry things it release more fats or something than regular vegetable oil.

Bah screw all these studies, food science is getting pretty ridiculous at this point.
 

eddie4

Genuinely Generous
But isn't olive oil bad too when used to fry stuff?

I read somewhere that olive oil is healthy when used pure, but when used to fry things it release more fats or something than regular vegetable oil.

Bah screw all these studies, food science is getting pretty ridiculous at this point.

Yeah i heard the same too. I just use olive oil on my salads and whatnot. I never cook or fry with it. Coconut oil and butter is what I use for everything else.
 

mrklaw

MrArseFace
I figure the best approach is to take food intravenously for your actual needs, and then build a bypass into your throat so you eat what the fuck you like and it comes out of your neck into a little bag which you then throw away.
 

jmdajr

Member
But isn't olive oil bad too when used to fry stuff?

I read somewhere that olive oil is healthy when used pure, but when used to fry things it release more fats or something than regular vegetable oil.

Bah screw all these studies, food science is getting pretty ridiculous at this point.

Yes. You can't fry with extra virgin. It burns up.

Anyone ever try Avocado oil? Man it's expensive.
 

Pagusas

Elden Member
Ive been cooking with olive and coconut oil now for years. I honestly cant remember the last time I used vegetable oil in anything but baking.
 
Apologize for the sass, but we've known for a long time that vegetable oils are terrible due to high omega 6 content. If you follow the research you should have been avoiding them already in favor of butter, coconut oil, olive oil, lard, and possibly red palm oil if you are OK with its environmental impact,

The only way this news impacts me is that restaurants always use these bad oils due to their cheapness.

There was also a study comparing the effects on different oils on your overall health. They found that Soybean oil was the worse even when compared to straight up fructose. Soybean oil is and fructose are in just about every processed food in existence. :/
 

DJ_Lae

Member
Anyone ever try Avocado oil? Man it's expensive.

Costco has it cheaper than anywhere else if you want to try it.

I like it - great for high heat, and it imparts absolutely no flavour to whatever you're cooking. It's just expensive as shit so I use it sparingly and only for times when I need it.

Otherwise it's lard for baking, butter for sauces, and olive for salad dressings.
 

Go_Ly_Dow

Member
I've been frying with EV Olive Oil for years. Doesn't destroy the taste or smoke up as long as the heat is kept low.

Also, I believe all oils release more fat when heated. It's not exclusive to Olive Oil.

Please correct me if I am wrong tho.

The oil bleaching process hasn't used actual bleach (the base) in since the early 1900s. The bleaching process today uses bleaching clay, a type of absorbent. Its a fine sand like material that acts similarly to activated carbon or silica.

Just to give you a rundown on actual oil processing.

1) Extraction (can be done with solvent or pressing)
2) Degumming (usually done with citric acid and water)
3) Neutralization (removal of free fatty acids with sodium hydroxide, creating soap)
4) Bleaching (using absorbents to remove excess soap and remove color bodies)
5) Deodorization (high temperature and low pressure distillation of volatile components with steam injection)

There are separations between each step to remove the unwanted material formed.

The end result is a low color, low odor, stable and relatively taste-less oil.

www.lipidlibrary.com is a good resource if you want to know more information about vegetable oil processing.



my facility solvent extracts olive and coconut oilseed meal. The type of oil does not signify how it was extracted unless it is classified as virgin or extra virgin oil.

Thanks for the very informative post!

I use EV oil only which I believe has a more straight forward extraction process through cold pressing Olives.

FYI White flour is literally bleached. It's fine though, just don't follow an extreme diet.

There's way worse going on with a lot of everyday foods. :(

Rapeseed oil used to be used for industrial processes, so yeah.

Yeah, I suppose if you look at a lot of different food extraction processes it will freak people out.
 
Not enough ghee talk. It's amazing, if you like the taste of butter but hate that butter browns when you use it to cook then you'll love ghee. Great for when you don't want the taste of coconut in your food.
 
This is surprising because I thought coconut oil was not good for frying, but it seems it is even better than lard. And the unhealthiness of vegetables oils has been known since decades ago, this is not some "lol, everything causes cancer" thing
 

AnAnole

Member
Every causes cancer I swear.

If my risk goes from 1/1000,000 to 1/90000 from a certain behavior, I'm not concerned with altering my behavior that exposes me to that particular carcinogen. However, if I can avoid a carcinogen I regularly encounter that causes my risk to go from 1 / 100000 to 1/10 of developing cancer, I'm doing everything I can to avoid/minimize that risk. It's amazing that magnitude of risk is never discussed when these kinds of headlines come out.

"Everything causes cancer / is going to kill you" highlights an annoyingly lazy and uninsightful mode of thinking.

No, everything doesn't "cause" cancer. Magnitude of risk is what you should be concerned about. And if you can easily avoid a carcinogen for a safer alternative, why not go with the alternative?
 

linsivvi

Member
The oil bleaching process hasn't used actual bleach (the base) in since the early 1900s. The bleaching process today uses bleaching clay, a type of absorbent. Its a fine sand like material that acts similarly to activated carbon or silica.

Just to give you a rundown on actual oil processing.

1) Extraction (can be done with solvent or pressing)
2) Degumming (usually done with citric acid and water)
3) Neutralization (removal of free fatty acids with sodium hydroxide, creating soap)
4) Bleaching (using absorbents to remove excess soap and remove color bodies)
5) Deodorization (high temperature and low pressure distillation of volatile components with steam injection)

There are separations between each step to remove the unwanted material formed.

The end result is a low color, low odor, stable and relatively taste-less oil.

www.lipidlibrary.com is a good resource if you want to know more information about vegetable oil processing.



my facility solvent extracts olive and coconut oilseed meal. The type of oil does not signify how it was extracted unless it is classified as virgin or extra virgin oil.

The end result is a harmful oil that is high in omega 6 and low in omega 3 that is unnatural and fucks up the human body.

Please stop trying to confuse people as if these oils are healthy. They are not. We have science to back this up.

Thanks for the very informative post!

He recommended sunflower and canola oil over olive oil a couple pages ago, going against a whole bunch of scientific researches and biological facts. I'd take his posts with a grain of salt if I were you.
 
I thought Olive oil was a veg oil?

Olives and coconuts are the fruit of the plant botanically. Olive oil is rich in monounsaturated fats, while coconuts are saturated in saturated fats (medium chain triglycerides specifically). Neither are high in polyunsaturated fats, which are what is being implicated as the problem via this study.
 
The end result is a harmful oil that is high in omega 6 and low in omega 3 that is unnatural and fucks up the human body.

Please stop trying to confuse people as if these oils are healthy. They are not. We have science to back this up.



He recommended sunflower and canola oil over olive oil a couple pages ago, going against a whole bunch of scientific researches and biological facts. I'd take his posts with a grain of salt if I were you.

I'm fairly certain canola oil is recommended by several health organizations precisely because it does have a higher omega-3 content than other processed vegetable oils.

Edit: Also, I don't much care for coconut oil, because it imparts the flavor of coconut, which is gross.
 
I'm reasonably sure that good quality extra virgin olive oil has a relatively high smoke point, but the issue is that you don't want to use the really good quality kind because you lose a lot of the flavor.

The really good stuff is basically drinkable.
 
So virtually everything causes cancer, and if it doesn't it probably gives you heart failure, lung failure, or a stroke?

I'm past caring about every scare story that runs these days. I eat and drink in moderation, and get regular exercise. After all that, whatever will be will be. I'd think I'd rather live 20 years less than give up every pleasure in life.

Oh, and I'm not really impressed by a scientist quoted in the article saying what he believes about Omega 6. To paraphrase a line from one of my favourite films, "it doesn't matter what you believe, it only matters what you can prove". He should know better.

Way to take things out of context. It's been thought for a while now that polyunsaturated fats (Omega-6 fats) would cause cancer when exposed to heat and/or industrially refined. The same fats don't do the same things when not treated as such. So, you can continue to eat edamame, peanuts, nuts, and seeds. Just don't use oils extracted from them for cooking purposes.

Also, this little chart from wikipedia ought to help everyone out on which oils to choose for cooking purposes. Just choose oils that have a very small blue portion to the bar (i.e., blue = increased risk of cancer and heart disease):

Comparison_of_dietary_fat_composition.png
 

Go_Ly_Dow

Member
The end result is a harmful oil that is high in omega 6 and low in omega 3 that is unnatural and fucks up the human body.

Please stop trying to confuse people as if these oils are healthy. They are not. We have science to back this up.



He recommended sunflower and canola oil over olive oil a couple pages ago, going against a whole bunch of scientific researches and biological facts. I'd take his posts with a grain of salt if I were you.

Don't worry. I aint switching from Olive Oil.
 
I'll like to see grapeseed and avacado in that chart.

I'm not sure how grapeseed would breakdown, but avocado is very similar in composition to olive oil (very low in polyunsaturated, high in monounsaturated, moderate amount of saturated fat).

Avocado is a great cooking oil because it's basically like olive oil nutritionally but with a very high smoke point.
 
Status
Not open for further replies.
Top Bottom