Wheat flour used in Turkish noodle (erişte) production was replaced with wheat germ (0, 10, 20 and 30 %) and β-glucan (0 and 4 %). Noodle samples were analyzed for their moisture, ash, protein, fat, mineral contents, color values and sensory properties. Cooking properties as volume increase (VI), weight increase (WI) and cooking loss (CL) were also determined. Wheat germ increased the ash, protein, fat and mineral contents of the noodles. β-glucan had an improving effect especially on Ca, Fe, Mg and P contents of noodle samples. While wheat germ raised VI values of the noodle, β-glucan had a negative effect on VI. The CL of noodle samples varied between 5.8 % and 7.3 %. Decreasing sensory scores obtained at high level of wheat germ with and without β-glucan. The present results showed that wheat germ and β-glucan have a good potential for increasing nutritional quality of noodle.
In this study, the effect of immature wheat grain (IWG) supplementation on the tarhana formulation was investigated by determining color values and some chemical and microbiological properties. Flours obtained from IWG, harvested at 26 (IWG-1) and 36 days (IWG-2) after anthesis, were used in the tarhana formulation as a replacement of white wheat flour in concentrations of 10, 30 and 50%. Ash, Ca, Mg, K, P and Zn contents of tarhana samples increased by IWG-1 addition. IWG-2 addition resulted in an increase in moisture and protein contents. IWG-1 addition into the tarhana provided an increase in the antioxidant activity and total phenolic contents of the samples. The total counts of mesophilic aerobic bacteria and lactic acid bacteria of tarhana with IWG-1 were higher than those of other tarhana samples.
PRACTICAL APPLICATIONSSome changes occur in the physical properties and chemical composition of wheat during maturation period. These changes have an effect on the nutritional components and health benefits of wheat grain. In this study, two different immature wheat grains were used in tarhana production. Some chemical and microbiological properties of enriched tarhanas were assessed. Using immature wheat flour increased the mineral content of tarhana samples. The antioxidant activity of samples increased with immature wheat flour addition. Counts of lactic acid bacteria of enriched tarhanas was higher than the control.
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