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Consumption pattern of infant foods by Turkish immigrants.

Fifty-nine Turkish infants in metropolitan Stockholm and two adjacent communities have been studied regarding food consumption pattern. The infants were breastfed for a shorter period than expected in Turkey and shorter than in Swedish children. Illiterate mothers breastfed longer than those who had received some kind of education. Formula feeding was extensively used. Supplementary semisolid feeding was introduced, mainly at 4-6 months of age, much earlier than in Turkey but rather later than in Swedish families. Some problems were noted with the bottle feeding, most importantly with regard to hygienic practices, dangerous especially on summer visits to Turkey. Unsatisfactory handling of bottle feeding was linked to the mother's educational level. Further interest in nutrition education for this and other immigrant groups is important.

Animals↗

Isoflavone content of infant foods and formulas.

OBJECTIVE: The purpose of this study was to investigate the phytoestrogen content of different foods, formulas and drinks that may be consumed by infants during their first year of life in an attempt to define levels of exposure on different feeding regimens. METHODOLOGY: High performance liquid chromatography (HPLC) was used to determine the levels of genistein, daidzein, biochanin A, formononetin and equol in samples purchased from Australian supermarkets. Single lots of duplicate or triplicate samples of soy beverages, cow's milks, infant formulas and infant yoghurts were analysed. RESULTS: All foods tested contained isoflavones, at varying levels, suggesting that exposure to these compounds is almost ubiquitous. Casein-based infant formulas contained between 0.001 and 0.03 mg L(-1). Soy-based infant formulas ranged from 17.2 to 21.9 mg L(-1) with the values detected in yoghurt at similar levels to that of cow's milk. For comparison, the soy-based beverages (which are not recommended for use under 12 months of age) contained levels of isoflavones from 22.9 to 71.5 mg L(-1). CONCLUSIONS: Given the relatively broad choice of infant foods becoming available, exposure to dietary isoflavones during the first year of life is virtually ubiquitous. The exposure may be higher if soy infant formulas are consumed, however, the levels attained appear to fall within normal physiological boundaries.

Analysis of Variance↗

Iron fortification of infant foods. A decade of change.

A survey of iron-fortified commercial foods commonly marketed for consumption by infants was conducted in 1972 and again in 1982. Positive changes had occurred in infant formulas and cereals during that decade, in availability of fortifying iron, level of fortification, and label information. Miscellaneous iron-containing products, cookies, and crackers were unreliable sources of dietary iron in both 1972 and 1982. Availability of fortifying iron in regular cereals had improved by 1982, though 10 percent lacked the label information. Fortified infant formulas and cereals contribute iron of high bioavailability to the typical infant diet in amounts equal to the USRDA. Food manufacturers need to continue to apply knowledge gained through research to sustain the lessened but still highly prevalent incidence of anemia in 1-2-year old children.

Biological Availability↗

High- and low-resolution mass spectrometry coupled to liquid chromatography as confirmatory methods of anabolic residues in crude meat and infant foods.

Within the European Union the use of anabolic steroids for promoting growth and improving meat-to-fat ratio in food-producing animals has been banned since 1988. For the unequivocal identification of hormone residues in a complex matrix such as meat we have developed a rapid, specific and sensitive liquid chromatography/tandem mass spectrometry (LC/MS/MS) method, in combination with a simple extraction procedure based on the matrix solid-phase dispersion (MSPD). The performances of a triple quadrupole (QqQ) and a quadrupole/time-of-flight (QqTOF) were compared: the QqQ mass spectrometer was found to be more sensitive for almost all studied analytes, but the selectivity was superior using the QqTOF system; the full-scan spectra (acquired without losing sensitivity), mass accuracy and resolution of the hybrid instrument enabled a more probatory analyte identification than that obtained selecting two multiple-reaction monitoring (MRM) transitions with a QqQ. Average recoveries ranged from 80 to 100%, and the detection capabilities (CCbetas) were less than 1.06 ppb with the QqQ instrument and less than 5.20 ppb with the QqTOF instrument for the bovine meat, which proved to be the most complex matrix.

Anabolic Agents↗