Sensory assessment of food bought in the Czech Republic and in Brussels , Brno, Czech Republic Prepared by: Ing. Hana Šulcerová, Ph.D. Ing. Viera Šottniková, Ph.D.
The conditions and course evaluation ● six trained evaluators participated in the evaluation ● all evaluators have completed state sensory testing ● sensory evaluation is performed in a laboratory equipped according to ISO ● samples were submitted anonymously ● all the evaluators conducted their own evaluation of samples by paired comparison test
Sensory laboratory
● no differences in composition ● Czech - more creamy, smooth consistency, better taste ● Strasbourg - rough consistency Activia yogurt - white not sweet
● no differences in composition ● Czech - watery consistency and acid taste ● Strasbourg – delicious, denser, acceptable consistency Activia drink
Laughing Cow cheese ● no differences in composition ● Czech – strong cheese flavor and aroma ● Strasbourg – sour taste, less cohesion
President - camembert ● no differences in composition ● Czech – asymmetrically mature, thinner in the middle, a little hard ● Strasbourg – more mature, stronger flavor, better appearance
Cream cheese KIRI ● no differences in composition ● Brussels - more creamy pleasant smell and taste, typical for both products
Butter - President ● no differences in composition ● Brussels - more creamy ● pleasant smell and taste, typical for both products
Roquefort cheese ● no differences in composition ● Czech - more mushrooms, more maturity, distinctive aroma, more pronounced taste
Milk products
Maggi - gold beef bouillon ● in the Czech bouillon was about 17,5% more fat ● Czech - fuller flavor, intense aroma and flavor of meat ● Strasbourg – lighter color, indescribable foreign flavor
Heinz Ketchup - sweet ● no differences in composition ● characteristic odor and taste in both samples
Panzani Bolognaise ● no differences in composition ● Czech - sour taste, thinner consistency ● Strasbourg - pleasant smell and taste, intense meat flavor, strong tomato flavor
Bonduelle mexicana ● no differences in composition ● Czech - sweeter, larger proportion of vegetables, crunchy vegetables
Rio mare - with vegetables ● no differences in composition ● the same and characteristic smell and taste
Other products
Lipton Tea - Black ● no differences in composition ● Czech – pleasant and distinctive aroma and bitter taste ● Strasbourg - very bitter taste ● equally distinctive odor in both samples
Red Bull ● no differences in composition ● typical smell and taste in both samples
Coca - cola (cans) ● no differences in composition ● typical smell and taste in both samples
Nescafe Gold ● no differences in composition ● typical smell and taste in both samples
Douwe Egberts ● no differences in composition ● Brussels - more intense flavor, more bitter and darker color
Nestle - milk pudding with cocoa ● no differences in composition ● Czech - intense color, pleasant cocoa flavor
Happy day ● no differences in composition ● pronounced fruit flavor, darker color
Drinks
Apricot jam ● no differences in composition ● finely balanced acid and sweet taste for both products
Nutella ● no differences in composition ● pleasant smell and taste, typical for both products
Spreads
Kinder chocolate ● no differences in composition ● finely balanced acid and sweet taste for both products
Chocolate - Mars ● different type - the same quality ● Czech - darker on the cut – very strong and nondescript sweet taste ● Strasbourg – more caramel and delicious taste
Chocolate - Snickers ● no differences in composition ● large differences in the cut ● Czech – sweet, less pronounced caramel ● Strasbourg – bigger nuts and intense caramel flavor
Chocolates
Sensory quality of all products 24 products were tested: 53% of products had a comparable quality, 24% better products derived from the Czech Republic, 23% better products derived from the Brussel and Strassburg.
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