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210 °C: 410 °F Olive oil: Extra virgin, low acidity, high quality: 207 °C: 405 °F [3] [13] Olive oil: Extra virgin: 190 °C: 374 °F [13] Palm oil: Fractionated: 235 °C [14] 455 °F Peanut oil: Refined: 232 °C [3] 450 °F Peanut oil: 227–229 °C [3] [15] 441–445 °F Peanut oil: Unrefined: 160 °C [3] 320 °F Pecan oil: 243 °C [16 ...
The splitting (or hydrolysis) of the triglycerides produces fatty acids and glycerol follows this equation: RCO 2 CH 2 –CHO 2 CR–CH 2 O 2 CR + 3 H 2 O → 3 RCOOH + HOCH 2 –CHOH–CH 2 OH. To this end, hydrolysis is conducted in water at 250 °C. The cleavage of triglycerides with base proceeds more quickly than hydrolysis, the process ...
Most triglycerides are unsymmetrical, being derived from mixtures of fatty acids. Triolein represents 4–30% of olive oil. [1] Triolein is also known as glyceryl trioleate and is one of the two components of Lorenzo's oil. [2] The oxidation of triolein is according to the formula: C 57 H 104 O 6 + 80 O 2 → 57 CO 2 + 52 H 2 O
The more FFA an oil contains, the quicker it will break down and start smoking. [ 2 ] [ 3 ] The lower the value of FFA, the higher the smoke point. [ 4 ] However, the FFA content typically represents less than 1% of the total oil and consequently renders smoke point a poor indicator of the capacity of a fat or oil to withstand heat.
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For an exact conversion between degrees Fahrenheit and Celsius, and kelvins of a specific temperature point, the following formulas can be applied. Here, f is the value in degrees Fahrenheit, c the value in degrees Celsius, and k the value in kelvins: f °F to c °C: c = f − 32 / 1.8 c °C to f °F: f = c × 1.8 + 32
where U is the oil's kinematic viscosity at 40 °C (104 °F), Y is the oil's kinematic viscosity at 100 °C (212 °F), and L and H are the viscosities at 40 °C for two hypothetical oils of VI 0 and 100 respectively, having the same viscosity at 100 °C as the oil whose VI we are trying to determine.
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