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Food additives.

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Australia↗

[Supplementary feeding--additional food in daily infant nutrition].

A group of 707 children aged 1 to 24 months from the territory of Vojvodina (10 rural and urban settlements) was examined regarding additional food (nonmilk and milk food), time of introduction, infant's age and frequency of consumption. It has been concluded that supplementary feeding, including all food, starts early. Fruit and vegetable are introduced at the age of 34 months. As for the introduction of yolk (first given at about 4 months) it differs from the modern attitudes regarding the intake of this food. Milk formulae, meat and chicken liver are usually introduced about the fifth month. Analyses of the type of food and the way of preparation point to some extremities. Special emphasis is given to the environmental specificities which determine the recommendations.

Humans↗

[Analysis of polysaccharides used as food additives. V. Gaschromatographic identification of hydrolysis products in uronic acids containing polysaccharides].

Alduronic acids can be found among the monomeric units of polysaccharides, which are used as stabilisators in the food industry. Gaschromatographically they cannot be separated directly by the way of their aldonitrilacetates but it is possible by the procedure described. The 1-0-methylalduronic-acidmethylesters, obtained by the methanolysis of the polysaccharides, are reduced with boronhydrid to the corresponding methyl glycosides; there are split with acid to the aldoses, which are converted in pyridine with hydroxylamine to the aldoximes and than with acetic anhydride to the aldonitrilacetates, which can be separated by gaschromatography without difficulty.

Chromatography, Gas↗