Abstract #T120

# T120
Physico-chemical profile and mineral content of yogurts and whey beverages available in the Brazilian market.
Thaiza Serrano1, Simone Lorena1, Adriano Cruz1, Renata Raices*1, 1Federal Institute of Science and Technology of Rio de Janeiro (IFRJ), %%Rio de Janeiro, Brazil,.

The physico-chemical profile and the minerals content in yogurt and whey beverage marketed in Brazilian market were investigated. Twenty samples (Ten yogurt and 10 whey beverages) presented in the label Federal Inspection Service (SIF) were submitted to physicochemical analysis (moisture, proteins and lipids levels) minerals contents (Ca, Fe, K, Mg, Na, Cd, Cr, Cu, Mn and Pb) being the latter identified and quantified from Inductively Coupled Plasma Optical Emission Spectrometry (ICP-OES). Absence of difference was noted in moisture content, as the yogurt samples presented mean value 82.12 ± 0,21% while and the dairy beverages presented 83.08 ± 0,06% w/w (P > 0.05). Both products presented protein content of yogurt above the minimum required by the legislation (4.87 ± 0.42% w/w and 2.72 ± 0.13% w/w, yogurt and whey beverage, respectively) which present an advantage on the nutritional point of view. Regards the lipid levels, the yogurt presented high values compared with whey beverages (2.00 ± 0.07 and 1.23 ± 0.06% w/w, respectively, P < 0.05). Calcium was the mineral with the highest concentration in both product categories (mean values 1.36 ± 0.36 and 1.07 ± 0.36 mg/ g, respectively, P < 0.05), followed by potassium (mean values 1.60 ± 0.29 and 1.41 ± 0.21 mg/g, respectively, P > 0.05), sodium (mean values 0.74 ± 0.15 and 0.68 ± 0,09 mg/g, respectively, P > 0.05), magnesium (mean values 0.16 ± 0.04 and 0.11 ± 0.01 mg/g, respectively, P > 0.05) and iron (0, 01 ± 0.00 mg/g for both products categories). It was not detected minority constituents (Cd, Cr, Cu, Mn and Pb), in both products.

Key Words: yogurt, whey beverage, characterization