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Table 2 Common indicators of oil quality for thermally processed soybean oils fed to broilers and pigs

From: Identification of C9-C11 unsaturated aldehydes as prediction markers of growth and feed intake for non-ruminant animals fed oxidized soybean oil

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

  1. 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)