Specification
Ginkgo biloba extract
Oragnoleptic properties
Appearance
Yellow green to greenish pale yellow liquid
Odour
Characteristic odor
Solubility
Insoluble in water, soluble 1 vol. of solute in 3vol. of solvent (96%)
Physical Characteristic
Refractive index @ 20 oC
1.456 to 1.485
Specific gravity @ 25 oC
0.855 to 0.930
Optical rotation
-24.5 to +14.5
Loss on drying (at 105 C)
Max 8%
Acid value
NMT 2.00mgKOH/gm
Water content
0.20% Max
Ginkgolic acid
Less than 5 ppm
Chromatographic Analysis:%
Gingko Biloba Extract
20.22 Min