ISO 12228-2:2014 specifies a procedure for the gas chromatographic determination of the contents and composition of sterols and triterpene dialcohols in olive and olive pomace oils. For the determination of the contents and composition of sterols in all other animal and vegetable fats and oils, ISO 12228-1 is to be used.
Tämän julkaisun valmistelusta Suomessa vastaa SFS Suomen Standardit, puh. 09 149 9331.
Sisällysluettelo
Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Reagents
6 Apparatus
7 Sample
7.1 Sampling
7.2 Preparation of the test sample
8 Procedure
8.1 Test portion
8.2 Preparation of unsaponifiable matter
8.3 Separation of the sterol and triterpene dialcohols (erythrodiol, uvaol) fractions by TLC