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He says if everyone used animal lard instead of vegetable oils for cooking food, 90% of all diseases would disappear.
I personally recommend using cold pressed extra virgin olive oil to replace all other vegetable oils. Problem is all cooked food prepared in Singapore (eg. hawker center, food court, restaurant, etc) will use the cheapest vegetable oils around for obvious commercial reasons, and the Singapore government pushes for Singaporeans to use Canola oil, wrongly thinking that it's the healthiest oil to use, when in fact it's certainly not.
For more info on the health effects of various vegetable oils, see :
https://thepaleodiet.com/vegetable-oil-fatty-acid-composition
Edited to add :
A lot of health-conscious folks have the mistaken idea that cold-pressed extra-virgin olive oil is unsuitable for frying due to its low smoke point. That's a false myth. Multiple separate independent medical studies have shown that despite the relatively lower smoke point* of cold-pressed extra-virgin olive oil compared to all other vegetable oils, cold-pressed extra-virgin olive oils were the most biochemically stable against oxidation and generated the least amount of toxins when heated at high temperatures** such as used in frying, compared with all other vegetable oils with (ironically) higher smoke points. In other words, all other vegetable oils start to biochemically degrade and produce toxins even before reaching their smoke points, while cold-pressed extra-virgin olive oils are most resistant to biochemical degradation and toxic oxidation even past its smoke point.
"The oxidative stability does not directly correspond to the smoke point, and thus the smoke point of an oil cannot be used reliably as a reference for safe and healthy cooking." - https://en.wikipedia.org/wiki/Smoke_point#Oxidative_stability
* the smoke point of olive oils vary significantly across types and brands, true cold-pressed extra-virgin olive oil by reputable brands have significantly higher smoke points compared to cheaper partially processed olive oils mislabeled as 'extra virgin' by dodgy brands for unscrupulous profit purposes. In other words, as long as you use a reputable brand of true cold-pressed extra-virgin olive oil, normal cooking methods (including short-duration stir-frying or air-frying) won't even reach its smoke point.
** extreme high temperatures for long-duration generates toxins and should never be used for cooking and is never healthy, regardless of type of oil used. Why use unhealthy long-duration deep-frying when healthier short-duration stir-frying or air-frying should already meet all your cooking needs? If you regularly use long-duration deep frying, no oil on Earth can save your life, not even cold-pressed extra-virgin olive oil.
For further reading on "Why cold-pressed extra-virgin olive oil is still healthier for high-temperature frying compared to other vegetable oils that have higher smoke points" :
https://onlyoliveoil.vas.com.sg/use/
https://www.oliveoiltimes.com/world/frying-with-olive-oil/30470
https://www.healthline.com/nutrition/is-olive-oil-good-for-cooking
https://drjoanna.com.au/blog/can-you-cook-with-extra-virgin-olive-oil-blog-793/
https://www.oliveoiltimes.com/world/extra-virgin-olive-oil-safest-most-stable-for-cooking/63179
Medical doctor Eric Berg who's an expert in Keto diet and Intermittent Fasting, recommends using cold-pressed extra-virgin olive oil for frying (due to its exceptional biochemical stability against oxidation at typical stir-frying & air-frying temperatures which is less than 200 deg C; I personally use 180 deg C on my air-fryer which is more than enough for all cooking needs) :
I personally recommend using cold pressed extra virgin olive oil to replace all other vegetable oils. Problem is all cooked food prepared in Singapore (eg. hawker center, food court, restaurant, etc) will use the cheapest vegetable oils around for obvious commercial reasons, and the Singapore government pushes for Singaporeans to use Canola oil, wrongly thinking that it's the healthiest oil to use, when in fact it's certainly not.
For more info on the health effects of various vegetable oils, see :
https://thepaleodiet.com/vegetable-oil-fatty-acid-composition
Edited to add :
A lot of health-conscious folks have the mistaken idea that cold-pressed extra-virgin olive oil is unsuitable for frying due to its low smoke point. That's a false myth. Multiple separate independent medical studies have shown that despite the relatively lower smoke point* of cold-pressed extra-virgin olive oil compared to all other vegetable oils, cold-pressed extra-virgin olive oils were the most biochemically stable against oxidation and generated the least amount of toxins when heated at high temperatures** such as used in frying, compared with all other vegetable oils with (ironically) higher smoke points. In other words, all other vegetable oils start to biochemically degrade and produce toxins even before reaching their smoke points, while cold-pressed extra-virgin olive oils are most resistant to biochemical degradation and toxic oxidation even past its smoke point.
"The oxidative stability does not directly correspond to the smoke point, and thus the smoke point of an oil cannot be used reliably as a reference for safe and healthy cooking." - https://en.wikipedia.org/wiki/Smoke_point#Oxidative_stability
* the smoke point of olive oils vary significantly across types and brands, true cold-pressed extra-virgin olive oil by reputable brands have significantly higher smoke points compared to cheaper partially processed olive oils mislabeled as 'extra virgin' by dodgy brands for unscrupulous profit purposes. In other words, as long as you use a reputable brand of true cold-pressed extra-virgin olive oil, normal cooking methods (including short-duration stir-frying or air-frying) won't even reach its smoke point.
** extreme high temperatures for long-duration generates toxins and should never be used for cooking and is never healthy, regardless of type of oil used. Why use unhealthy long-duration deep-frying when healthier short-duration stir-frying or air-frying should already meet all your cooking needs? If you regularly use long-duration deep frying, no oil on Earth can save your life, not even cold-pressed extra-virgin olive oil.
For further reading on "Why cold-pressed extra-virgin olive oil is still healthier for high-temperature frying compared to other vegetable oils that have higher smoke points" :
https://onlyoliveoil.vas.com.sg/use/
https://www.oliveoiltimes.com/world/frying-with-olive-oil/30470
https://www.healthline.com/nutrition/is-olive-oil-good-for-cooking
https://drjoanna.com.au/blog/can-you-cook-with-extra-virgin-olive-oil-blog-793/
https://www.oliveoiltimes.com/world/extra-virgin-olive-oil-safest-most-stable-for-cooking/63179
Medical doctor Eric Berg who's an expert in Keto diet and Intermittent Fasting, recommends using cold-pressed extra-virgin olive oil for frying (due to its exceptional biochemical stability against oxidation at typical stir-frying & air-frying temperatures which is less than 200 deg C; I personally use 180 deg C on my air-fryer which is more than enough for all cooking needs) :
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