Abstract
Results of free and bound myo-inositol in infant formula (IF) are presented. Inositol was analyzed by HILIC ultraperformance liquid chromatography coupled with mass spectrometer. The levels of free myo-inositol in 27 Australian and 4 EU originated IF samples were 300-600 mg/kg of powder or 1.6-3.1 mg/100 kJ. The amount of bound inositol in lipid fraction of IF was, on average, 10% of free myo-inositol.
Highlights
Inositol is an important nutrient present naturally in human milk and cow’s milk but in a lesser quantity
The levels of inositol in infant formula (IF) in Australia and New Zealand are regulated by the FSANZ 2.9.1 and in China by the GB 10765-2010 Food Standards, Table 1
Extracts were analyzed by UPLC-MS/ MS. myo-inositol-D6 (100 μL, 5.0 μg/mL) was added to 200 μL of the filtered sample which was further diluted with 1.7 mL of acetonitrile to facilitate HILIC separation
Summary
Inositol is an important nutrient present naturally in human milk and cow’s milk but in a lesser quantity. Abstract : Results of free and bound myo-inositol in infant formula (IF) are presented. The levels of free myo-inositol in 27 Australian and 4 EU originated IF samples were 300-600 mg/kg of powder or 1.6-3.1 mg/100 kJ.
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