Oil

When oil is heated to a certain temperature, it will be decomposed into glycerol and free fatty acid, and produce bluish smoke, which is the so-called smoke point. Then glycerin is broken down into acrolein, which is an unsaturated aldehyde, which irritates the eyes and throat, and also destroys the nutritional value of oil. Therefore, the smoking point of cooking oil can be said to be the highest temperature at which the oil can be used. As the oil is refined and purified, the smoking point will increase. When the grease is heated repeatedly, the free fatty acids in it will accumulate and increase, resulting in a decrease in the smoking point. In particular, intermittent frying has a much greater impact on oil quality than continuous frying. And this is why it should not be used more than twice as oil for frying.


The reference values for smoking points are often different, varies from different sources, to explain why, we have to review the manufacturing process of common vegetable oils. The general production process of vegetable oil can be divided into three categories. 1) Cold-pressed oil: harvesting→cleaning→baking dehydration→cold pressing (for example, cold-pressed olive oil, sesame oil, peanut oil, coconut oil). 2) Refined oil: harvesting→cleaning→flakes→chemical solvent extraction→distillation→degumming→refining (for example, refined coconut soybean oil, corn oil). 3) Hydrogenated oil: harvesting → cleaning → flakes → chemical solvent extraction → distillation → degumming → refined bleaching → deodorization → preservatives → hydrogenation (such as hydrogenated palm oil, milk marin, ghee).


Take olive oil and coconut oil as example, some may suggest extra virgin olive oil or extra virgin coconut oil is healthier because it’s least processed form, it retains antioxidants and vitamins.

Due to factors such as different extraction methods, different grades, and different mixing ratios, even the so-called "same" oil has different ingredients and different natural smoke points, such as extra virgin olive oil versus the common one. The main differences may due to different origins thus different raw materials. Using the physical cold pressing method and the heating cooking method, the oil composition obtained is different, and the smoke point is also different. Even if the oil made from the same raw material, different grades of raw materials have different production processes, such as the first extraction, heating and then pressing, and the third pressing, the composition is also different․ Different parts are extracted after oil extraction, such as upper oil, bottom oil, residue-separated oil and non-separated oil. ․ Many commercial products are sold as a mixture of oils of the same but different grades. For example, 70% cold-pressed virgin oil is mixed with 30% heavy-pressed oil to form "another" oil. ․ It is sold as a mixture of different oils, such as sunflower oil and olive oil.


Therefore, the smoking points are often different. The smoking point is highly concerned, therefore some manufacturers advertise the smoking point of their products is and how suitable for cooking.


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Showing 13 results
La Tourangelle La Tourangelle, Avocado Oil 500ml
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-22%

PRODUCT TYPE: 食油

BRAND: La Tourangelle

ORIGIN: 西班牙

If you’re looking for a rich, natural, luscious ingredient to add to your dishes or rejuvenate your health, La Tourangelle’s avocado oil is the perfect choice for your kitchen and your home. Not only is it packed with nutrients and...

$138.00$108.00
Romoli Extra Virgin Olive Oil Dark Glass 1L
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PRODUCT TYPE: 食油

BRAND: Romoli 羅馬尼

ORIGIN: 意大利

The ROMOLI extra virgin olive oil is obtained after a meticolous selection of the best exvoo from EU Countries. With its acidity below 0,8%, its sweet taste and yellow colour is the best seasoning for all Mediterranean main courses.Storage: Fresh...

$75.00
Borges Extra Virgin Olive Oil Cold Extraction 1L
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PRODUCT TYPE: 食油

BRAND: Borges 伯爵

ORIGIN: 西班牙

Extra Virgin Olive Oil is the olive juice itself. There is no higher quality oil. Extracted only by mechanical procedures and at low temperatures – up to 28 degrees Celsius -, the very same day the olive, which has to...

$93.50
Clearspring Organic Flax Oil 250ml
$100 Free shipping
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-64%

PRODUCT TYPE: 食油

BRAND: Clearspring

ORIGIN: 意大利

PRODUCT INFOIngredients: Organic cold-pressed flaxseed oilNatural sedimentation may occur. This will not affect the quality of the product.Product volume: 250mlClearspring flax oil is an excellent vegan source of Omega 3 alpha linolenic acid (ALA), cold pressed from 100% European organic...

$55.00$20.00
Clearspring Organic Sunflower Oil 500ml
$100 Free shipping
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-18%

PRODUCT TYPE: 食油

BRAND: Clearspring

ORIGIN: 英國

PRODUCT INFOIngredients: Organic sunflower oilRecommended Maximum Heating Temperature: 100°CProduct volumes: 500ml, 1L, 2LClearspring Organic Sunflower Oil, with its golden yellow colour and distinct, nutty flavour, is a popular general-purpose oil. It is a good source of vitamin E and rich...

$67.00$55.00
Rinatura Almond Oil 250ml
$100 Free shipping
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-19%

PRODUCT TYPE: 食油

BRAND: Rinatura

ORIGIN: 德國

Vegan, smoke point 204°C Size: 250ml Weight: 420g ingredients: 100 percent oil from sweet almondsNearly half of a dried almond’s weight is oil. Ripe almonds are pressed to extract the oil with minimal heat.This unrefined almond oil protects the nutrients...

$54.00$44.00
La Tourangelle Oil Combo
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-18%

PRODUCT TYPE: 組合

BRAND: La Tourangelle

ORIGIN: 西班牙

Combo includes:La Tourangelle Avocado Oil 500mlLa Tourangelle Organic Extra Virgin Olive Oil 750ml

$268.00$220.00
Coconut Matter Wild 100% Organic Virgin Coconut Oil 500ml
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-15%

PRODUCT TYPE: 食油

BRAND: Coconut Matter

ORIGIN: 所羅門群島

WILD virgin coconut oil is the world’s freshest virgin coconut oil. It is cold pressed from wild coconuts to oil in less than 60 minutes by island natives. The award winning Direct Micro Expelling™ process gives WILD it’s refreshing taste....

$210.00$180.00
Romoli Pomace Olive Oil Clear Glass 1L
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PRODUCT TYPE: 食油

BRAND: Romoli 羅馬尼

ORIGIN: 意大利

The ROMOLI Pomace olive oil is blend between refined pomace olive oil (90%) extracted by olives' nuts after the squeezing process, and a virgin olive oil (10%). For its light taste and its cheap price, it's recomended for every food,...

$63.00
Borges Pure Classic Olive Oil 1L
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-12%

PRODUCT TYPE: 食油

BRAND: Borges 伯爵

ORIGIN: 西班牙

Borges is a lead brand in the olive oil market worldwide and, thus, offers the best olive oils.-Top 50 best olive oils in Spain.-Top 50 best olive oils in the world.-L’Orciolo d’Oro (Italy) Gran Menzione.-CINVE Awards (Huelva, Spain) Gold Medal.-Zurich Olive...

$100.00$88.00
La Tourangelle La Tourangelle, Organic Extra Virgin Olive Oil 750ml
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-62%

PRODUCT TYPE: 食油

BRAND: La Tourangelle

ORIGIN: 西班牙

When you are creating your own inspired culinary creations in the kitchen, you delve deep into your desire for flavor, combining the most delicious ingredients with the most personal techniques to create dishes that tempt and impress. Whatever meals you...

$130.00$50.00
Rinatura Coconut Oil 130ml
$100 Free shipping
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-18%

PRODUCT TYPE: 食油

BRAND: Rinatura

ORIGIN: 德國

Organic Rinatura coconut oil cold pressed organic 130 mlPressed from 100% coconut pulp: for roasting, baking and deep-frying: does not splash, does not burn: can be used as a spread like butter or lard. ingredientsIngredients: virgin coconut oil * Nutritional...

$39.00$32.00
Clearspring Organic Toasted Walnut Oil 250ml
$100 Free shipping
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-21%

PRODUCT TYPE: 食油

BRAND: Clearspring

ORIGIN: 意大利

PRODUCT INFOIngredients: 100% organic walnut oilRecommended for cold use onlyProduct volume: 250mlThe delicate nutty aroma and flavour of Clearspring Organic Walnut Oil adds a special touch to salads, marinades, dressings and dips. Considered by some to be the supreme salad...

$164.00$131.00

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