ISO 3053:1975

Oil of grapefruit (obtained by expression)

The Standard specifies the following characteristics of the oil. Appearance: Clear liquid. Colour: Greenish-yellow. Odour: Resembling oil of sweet orange. Relative density at 20/20 °C: 0,852 – 0,860. Refractive index at 20 °C: 1,4740 – 1,4790. Optical rotation at 20 °C: Range from + 91 to + 96 . Carbonyl compounds content, expressed as decanal: Minimum 1,0 %. Residue on evaporation: 5,0 % – 10,0 %.