Determination of carbohydrate content infant formulas samples by HPLC

Abstract

U 11 uzoraka hrane za dojenčad određivani su ugljikohidrati (glukoza, fruktoza, laktoza i saharoza). Metoda određivanja je visoko djelotvorna tekućinska kromatografija uz primjenu detektora indeksa loma. Udjel ugljikohidrata u proizvodu kretao se za fruktozu od 0 do 8,988 g/100 g proizvoda, za glukozu od 0,345 do 34,773 g/100 g proizvoda, za laktozu od 32,878 do 51,435 g/100 g proizvoda i za saharozu od 0 do 0,789 g/100 g proizvoda. Podaci dobiveni u ovom istraživanju u skladu su s Pravilnikom, literaturom i podacima navedenim na deklaraciji proizvoda.Carbohydrates (glucose, fructose, lactose and sucrose) were determined in 11 samples of infant formulas. Method of determination was High Performance Liquid Cromatography with usage of refractive index detector. Amount of carbohydrate in 100 g of product variate for fructose from 0 to 8,988, for glucose from 0,345 to 34,773, for lactose from 32,878 to 51,435 and for sucrose from 0 to 0,789. Data obtained in this study are consistent with national regulations, data presented in literature and values indicated on the label of the product

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