Parameters

GSO.

PKO

Oil extraction yield

28.06% ± 0.38%

NA

Physical properties

Refractive index ( n D 20 )

1.4651 ± 0.0001

ND

Specific gravity (15˚C)

0.92287

ND

Higher heating value (MJ/kg)

39.57

ND

Chemical properties

Acid value (mg KOH/g)

2.86 ± 0.00

18.01 ± 0.08

% FFA (w/w)

1.43 ± 0.00

6.43 ± 0.02

Saponification value (mg KOH/g)

172.59 ± 1.87a/192.21b

221.17 ± 0.20

Ester percent (%)

98.34 ± 0.02

91.86 ± 0.02

Iodine value (g I2/100 g)

25.58 ± 0.45c/132.23d

ND

Degree of unsaturation (% m)

152

ND

Molecular weight (g/mol)

875.68

759.64