ISO 20633:2015

Infant formula and adult nutritionals — Determination of vitamin E and vitamin A by normal phase high performance liquid chromatography

OVERVIEW

ISO 20633:2015 specifies a method for the simultaneous quantitative determination of vitamin E (a-tocopherol and a-tocopheryl acetate) and vitamin A (13-cis and all-trans isomers of retinyl palmitate and retinyl acetate) present in all forms of infant and adult formulas (powders, ready-to-feed liquids and liquid concentrates).

Retinol is not used for fortification purposes and therefore is not addressed in this method. The innate amount in products is insignificant.

Stereoisomers of vitamin E, a-tocopherol and a-tocopheryl acetate, are not differentiated in this method.

COMMENTS

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PRODUCT DETAILS

Status Current
Edition 2015
No. of Pages 23
ICS Classification 67.050 General methods of tests and analysis for food products
Committee ISO/TC 34
Available for Purchase For sale in Singapore only
Adoption ISO