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. 2020 May 8;11:49. doi: 10.1186/s40104-020-00451-4

Table 2.

Common indicators of oil quality for thermally processed soybean oils fed to broilers and pigs

Soybean oil M, % I, % U, % FFA, % OFA, % PV, mEq/kg TBARS, μmol/L AnV
22.5 °C-0 h 0.02 0.02 0.42 0.1 0.96 0.4 79.83 1.2
45 °C-336 h 0.02 0.02 0.39 0.1 0.76 17.4 285.48 6.1
67.5 °C-168 h 0.06 0.04 0.63 0.2 4.2 192.8 1014.32 33.1
90 °C-84 h 0.10 0.04 0.49 0.4 1.5 245.0 665.00 172
135 °C-42 h 0.10 0.06 0.32 0.5 8.6 19.3 493.84 441
180 °C-21 h 0.02 0.04 0.69 0.3 7.2 9.6 419.24 416
225 °C-10.5 h 0.02 0.04 0.57 0.3 3.8 3.0 311.47 233

M moisture, I insoluble impurities, U unsaponifiable matter, FFA free fatty acids, OFA oxidized fatty acids, PV peroxide value, TBARS thiobarbituric acid reactive substances (malondialdehyde equivalance), AnV p-anisidine value (no unit)