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Oil for frying - how to find the right one

    10/27/2024

    6 min.

Oil is indispensable for frying healthy and delicious dishes.

Meat, fish, vegetables and the like are given a crispy coating and vegetable oils provide numerous healthy ingredients. Fat also carries flavour and intensifies the aroma of the fried food. But which oil is best for frying and can cold-pressed oil also be used for frying? We at BORA clarify the most important questions.
 
The roasting is hot: Temperatures of between around 180 and 200 °C are generated in the pan. This heat creates a crispy crust and roasted flavours that give your dishes that certain something. The perfect oil for frying can withstand this heat. If you want to use healthy oil for frying, you should make a well-considered choice: Knowing which oil is suitable for frying and which types work best in the cold kitchen is the key to healthy and delicious dishes.

The most important facts in brief

    Not every oil is heat-resistant

    Refined oils such as rapeseed, sunflower or peanut oil are suitable for high temperatures

    Cold-pressed oils go well with cold dishes

Healthy oil for frying - that's what matters

Switch on the hob, prepare the cookware and you're ready to start frying. But can meat and co. be simply fried in olive oil or should a different fat be used? And which oil is the perfect choice for frying steak

Which oil you use for frying affects the quality of the food. The decisive factor is the so-called smoke point: If the oil starts to smoke, this is an unmistakable sign that the fatty acids are decomposing. Hazardous substances can be produced in the process. This oil is then no longer suitable for frying.

When exactly this smoke point occurs depends primarily on the ingredients of the oil. While some fatty acids are very temperature-resistant and only split at high temperatures, others do so at comparatively low temperatures. The polyunsaturated fatty acids in particular, which are considered healthy, prefer it cool: The higher the proportion of unsaturated fatty acids, the faster the smoke point is reached.
 
Generally speaking, healthy oils are rich in polyunsaturated fatty acids. They are considered to have a positive influence on cholesterol levels and cell health. Excessive consumption of saturated fatty acids, on the other hand, can be a risk factor for cardiovascular disease and an increase in cholesterol levels.

    Good to know

    Omega-3 and omega-6 fatty acids in particular have a reputation as real health boosters. Omega-3 is found in rapeseed, linseed and walnut oil, omega-6 in sunflower oil, among others.

      Cold-pressed and refined edible oils: an overview of the differences

      Frying oil is usually refined, i.e. processed. These oils for frying are obtained under the influence of heat and by adding chemicals. This allows more yield to be generatedand refined oils remain heat-stable. The producers then filter the substances used out of the end product. Refined oils are therefore not necessarily unhealthy.

      However, the proportion of polyunsaturated fatty acids is reduced and the vitamins and flavours also suffer from the intense heating. Refined oils therefore often have a more neutral flavour than cold-pressedoils.
       
      Good to know: Natural, cold-pressed oils are also labelled "virgin".

        Which oil is suitable for frying?

        You want to use healthy oil for frying and are faced with a large selection of varieties: At what temperatures can the different oils be heated? The table provides information.

         

        Oil typeSmoke points
        Avocado oil261 °C
        Refined sunflower oil252-254 °C
        Refined peanut oil230 °C
        Refined rapeseed oil190-230 °C
        Refined sesame oil232 °C
        Refined olive oil216 °C
        Coconut oil194 °C
        Walnut oil140 °C
        Unrefined rapeseed oil130-190 °C
        Unrefined olive oil130-175 °C
        Lin oil107 °C 

          How many degrees do different frying processes require?

          Short and hot or moderate heat and gentle cooking: Different dishes require different temperatures. This also influences the choice of cooking oil. Which oil is ideal for searing and can cold-pressed oil also be used for frying?

          • Searing means processing meat briefly and at very high temperatures of 200 °C and more . Avocado oil and practically all refined oils are best suited for this purpose.

          • Sautéing vegetables and meat is already possible at low heat from around 160 °C. If you stick to this moderate heat, some cold-pressed, virgin oils are also suitable for sautéing. These include olive oil and unrefined rapeseed oil.

          • Ideally, fry vegetables at 160 to 180 °C. This preserves many valuable ingredients and you can enjoy a gentle smoky flavour. Among other things, coconut oil is ideal for frying . If you prefer a neutral flavour, use rapeseed oil for frying.

            Tips for the correct use of oil for frying

            If you use oil for frying carefully, you can enjoy all the health benefits and look forward to excellent flavour. This is what matters:

            • First add the oil to the pan for frying. As soon as bubbles form, the optimum temperature has been reached to add the food.

            • Keep the temperature constantso that the oil does not start to smoke.

            • Add native oils with a low cooking point such as walnut oil and linseed oil to your dishes after cooking. So you benefit from all the healthy ingredients.

              Alternatives to frying with oil - ideas for low-fat cooking

              It doesn't always have to be oil for frying. Many dishes are successful without the use of fat.

              • In a coated pan you can cook food without additional fat. This works best with foods that already have a high fat content, such as meat and fatty fish. Bonus Oily fish is rich in healthy omega-3 fatty acids.

              • Line the cookware with baking paperto prevent sticking.

              • Mineral water is the fat-free alternative to oil. Opt for varieties with extra carbon dioxide and use the water sparingly so that roasted flavours develop.

                Storing oil correctly - tips for safe storage

                Whether refined or cold-pressed oils, they all have storage requirements. To ensure that the oil remains flavourful and fresh for a long time, it is advisable to pay attention to these factors:

                • Store oils in a dark, dry place .

                • Avoid exposure to strong heat. Excessively high temperatures can damage the valuable ingredients in virgin oils.

                • Ideally, store oils at a maximum of 22 degrees.

                • Cold-pressed rapeseed and walnut oil can also be stored in the refrigerator.

                  Good to know:

                  Closed oil bottles can be stored for around a year. Opened varieties should be consumed within four to six months.

                    Frequently asked questions

                    Only add enough oil to the frying pan to just cover the base. This guarantees that food will be cooked evenly and nicely browned.

                    To sear meat, all refined oils like rapeseed and sunflower oil are suitable, as is coconut oil.

                    Olive oil is suitable for the gentle frying of vegetables, as are sunflower and rapeseed oil.

                    A variety with a neutral flavour like rapeseed oil brings out the flavour of fish dishes perfectly.

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