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Coconut oil: Unrefined, dry expeller pressed, virgin: 177 °C: 350 °F [8] Corn oil: ... Sunflower oil: Unrefined, first cold-pressed, raw: 107 °C [22] 225 °F
Many oils are marketed as first cold pressed or cold extraction. "Cold" means no heat is added during extraction. "Pressed" means that the olives are crushed in a mill to extract the oil. [19] In the EU, these designations are regulated by Article 5 of Commission Regulation (EC) No 1019/2002 of 13 June 2002 on marketing standards for olive oil.
If the temperature does not exceed 120 °F, the oil can be called "cold-pressed". [3] In modern vegetable oil production, oils are usually extracted chemically, using a solvent such as hexane. Chemical extraction is cheaper and more efficient than mechanical extraction, at a large scale, leaving only 0.5–0.7% of the oil in the plant solids ...
Smoke point values can vary greatly, depending on factors such as the volume of oil utilized, the size of the container, the presence of air currents, the type and source of light as well as the quality of the oil and its acidity content, otherwise known as free fatty acid (FFA) content. [2]
In many parts of the world, such as Australia, producers using centrifugal extraction still label their products as Cold Pressed. First cold pressed means "that the fruit of the olive was crushed exactly one time – i.e., the first press. The cold refers to the temperature range of the fruit at the time it is crushed". [78]
The flash point is the temperature at which oil vapors will ignite but are not produced in sufficient quantities to stay lit. The flash point generally occurs at about 275–330 °C (527–626 °F). [56] The fire point is the temperature at which hot oil produces sufficient vapors they will catch on fire and burn. [56]
Unrefined avocado oil from the 'Hass' cultivar has a characteristic flavor, is high in monounsaturated fatty acids, and has a high smoke point (≥250 °C or 482 °F), making it a good oil for frying. 'Hass' cold-pressed avocado oil is a brilliant emerald green when extracted; the color is attributed to high levels of chlorophylls and ...
Rice bran oil is a highly stable cooking and salad oil, suitable for high-temperature cooking. [71] [126] It also has potential as a biofuel. [127] Royle oil, pressed from the seeds of Prinsepia utilis, a wild, edible oil shrub that grows in the higher Himalayas. Used medicinally in Nepal. [128] Shea nuts, from which shea butter is pressed