Bitter Fennel fruit oil Comply to BP
 

Specification

Bitter Fennel fruit oil

Physical Characteristic

Specification

Appearance

Clear, colourless or pale yellow liquid.

Odor

It has a characteristic odour.

Identification Second identification A.

First identification B.

Complying with test

Relative density @ 25°C

0.961 to 0.975.

Refractive index @ 20°C

1.528 to 1.539.

Optical rotation @ 20°C

+ 10.0° to + 24.0°.

Acid value

Maximum 2.0

Solubility

Soluble in ethanol 95%

Assay by GC

a-pinene

Limonene
fenchone

Estragole

cis-anethole

trans-anethole
anisaldehyde

1.0 to 10.%

0.9 to 5.0%

12.0 to 25.0%

Max 6.0%

Max 0.5%

55.0  to 75.0%

Max 2.0%