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Cold-pressed grapeseed oil is one of the most expensive oils. But the price is justified: it has a special aroma and is full of healthy ingredients.

As the name suggests, grape seed oil is made from the seeds of grapes. There are 50 kilograms of grape seeds in one liter of oil. You can buy both cold-pressed and hot-pressed oil in stores.

With cold-pressed oil, the cores are not additionally heated during pressing, but only warmed up by the pressure. The oil obtained from the kernels is light green in color and tastes nutty and fruity, reminiscent of grapes.
Hot-pressed grape seed oil is additionally heated and mixed with a chemical solvent (chemical extraction) so that more oil can be extracted. The agent ensures that the oil dissolves particularly well from the kernels. The mixture is then heated to evaporate the solvent and leave behind the oil. Hot-pressed grapeseed oil is also commonly refined. This means that numerous accompanying substances, such as coloring or flavorings, are filtered out. Therefore, hot-pressed grape seed oil is colorless and tasteless.

Grape seed oil: Healthy ingredients and their effects

Hot and cold pressed grape seed oils not only look different and taste different. Both consist of about 90 percent unsaturated fatty acids – apart from that, however, they differ in their ingredients:

Linoleic Acid: Grapeseed oil is made up of about 70 percent of this omega-6 fatty acid. Linoleic acid is one of the substances that your body cannot produce itself. Among other things, it needs them to regenerate cells and heal wounds. But beware: If you consume too many omega-6 fatty acids and too few omega-3 fatty acids, this can possibly promote chronic diseases. According to the Budwig Foundation, the optimal ratio of omega 3 to omega 6 is 1:2 to 1:5. Grape seed oil contains omega-3 and omega-6 fatty acids in a ratio of 1:135. So you should use it sparingly.
Antioxidants: Cold-pressed grape seed oil is considered very healthy because it contains many antioxidants. These are substances that protect the cells in your body from harmful influences such as diseases. The oil provides, among other things, vitamin E and vegetable procyanidins (OPCs).
Vitamin K: The fat-soluble vitamin is also an ingredient in cold-pressed grape seed oil. It plays an important role in your body in metabolic processes and in blood clotting.

Application of grape seed oil

Hot-pressed grapeseed oil can be heated to high temperatures because of its high smoke point. You can use it for frying and frying. Since the oil is tasteless, it goes well with many foods.

Cold-pressed grape seed oil, on the other hand, should only be heated gently. Better use it for cold foods, like salads. The nutty taste also goes well with cheese.

The cold-pressed oil is not only used in the kitchen, but also often in cosmetic products such as night and moisturizing creams. Studies show that linoleic acid reduces inflammation in the skin and supports its regeneration.

Instead of sunflower or rapeseed oil, many culinarians use more unusual varieties such as linseed, sesame, or walnut oil. They want to give their dishes the finishing touch and enjoy the special aroma. But the Stiftung Warentest has now found that many of the gourmet oils have not earned their high-class reputation at all – two linseed oils should not even have been sold.

Gourmet oils in the test

A total of 25 gourmet oils were put to the test, including five argans, six linseed, five sesame, three grapeseed, and six walnut oils – 16 of which were awarded the organic seal. The gourmet oils were tested according to sensory and chemical aspects as well as the content of harmful substances and the declaration.

The result

The evaluation of the gourmet oil test is devastating: more different pollutants were found than ever before. The palette ranges from questionable solvents to carcinogenic substances and mutagenic substances. Two tested linseed oils should not have been sold at all due to their high content of polycyclic aromatic hydrocarbons (PAH).

But it wasn’t just the chemical results that were extremely sobering: many of the gourmet oils tested were also unconvincing in terms of taste. Two linseed oils from the organic range were rated with a smell and taste of essential oils and fir – rating: poor. The testers found the taste and smell of the two most expensive gourmet oils in the test, argan oils for 95 euros and 112 euros per liter, to be cheesy – they also failed.

Only seven of the 25 gourmet oils tested were rated as “good”: including two each of argan, walnut and sesame oils as well as one linseed oil – all from organic farming and unrefined. However, the organic seal does not automatically mean a good gourmet oil, because seven defective varieties also carried it. The detailed test results of the gourmet oils are available here.

Tips for using gourmet oils

  • Purchasing: Gourmet oils that are labeled “cold-pressed” or “native” are very tasty
  • Storage: Gourmet oils are less suitable than standard oils for cooking. Sunflower or rapeseed oils should be used there, as they are heat-resistant and health-promoting
  • Use: It is best to keep the gourmet oils tightly sealed in a dark and cool place