Reference number
ISO 3217:1974
ISO 3217:1974
© ISO 2025
International Standard
ISO 3217:1974
Oil of lemongrass (Cymbopogon citratus)
Edition 1
1974-08
1974-08
ISO 3217:1974
8421
Published
(Edition 1, 1974)
This publication was last reviewed and confirmed in 2021.
Therefore this version remains current.
Abstract
The Standard specifies the following characteristics of the oil. Appearance: Clear, mobile liquid. Colour: Pale yellow to orange-yellow. Odour: Characteristic with a strong note of citral. Relative density at 20/20 °C: 0,872 - 0,897. Refractive index at 20 °C: 1,4830 - 1,4890. Optical rotation at 20 °C: Range from - 3 to + 1 . Carbonyl compounds content, expressed as citral: Minimum 75 %. Solubility in ethanol at 20 °C: Freshly distilled oils are soluble in 70 % (V/V) ethanol.