Physico-chemicalproperties of oils

Neutralized

Bleached

Deodorized

R.I at 25˚C

1.4715^a

1.4715^a

1.4717^a

Color

units

Re^d

8.6^c

2^b

0.7^a

Yellow

35^c

20^b

6^a

FFA (%) as Oleic acid

0.02^a

0.03^a

0.02^a

PV (meqO₂/kg oil)

2.89^c

1.5^b

0.42^a

p-Anisidine value (meq/kg oil)

9.89^c

6.86^b

2.98^a

Totox value

5.82^c

3.059^b

0.88^a

Oxidative stability at 100˚C

7.12^a

6.98^b

6.68^b

IV (I2/100 g oil)

128.3^a

129.6^a

127.7^a

Saponification value (mgKOH/g oil)

194.89^a

194.52^a

194.62^a

Soap content (ppm)

43^c

6^b

0^a

Wax (ppm)

42^b

30^a

26^a

Unsaponifable matters (%)

0.66^a

0.64^a

0.45^b

K232 (nm.)

2.601^b

2.049^b

1.661^a

K270 (nm.)

0.546^b

0.244^a

0.237^a

Totalpolyphenols (ppm)

2.96^a

2.35^a

1.76^b