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ISO 28198:2018

Current Revision

Vegetable fats and oils - Determination of toluene insoluble matter

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This document specifies a method for the determination of the content of toluene insoluble matter (TIM) in lecithin formulations, which indicates the presence of impurities such as protein, carbohydrate-containing extraction residues and other solid contaminants. This method is applicable to all types of vegetable lecithin.

The purpose of the method is to enable the analysis of lecithin under several regulations. Lecithin [Codex International Numbering System for Food Additives (INS) No. 322] is a generally permitted additive and the determination of the TIM is part of many specifications. The purity requirement with regard to TIM content is based on the method specified.

Toluene is the replacement for the carcinogenic benzene, which was used in older methods.


SDO ISO: International Organization for Standardization
Document Number ISO 28198
Publication Date Not Available
Language en - English
Page Count
Revision Level
Supercedes
Committee ISO/TC 34/SC 11
Publish Date Document Id Type View
Not Available ISO 28198:2018 Revision