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National Repository of Grey Literature 2 records found  Search took 0.00 seconds. 
Monitoring of lipophilic vitamins and provitamins in children 's products and possibilities of their fortification
 Maráčková, Adéla ; Hoová, Julie (referee) ; Skoumalová, Petra (advisor)
This bachelor thesis deals with the study of lipophilic vitamins with a focus on children's food supplements. It designs own food supplement in the form of gum confectionery with a vitamin mixture encapsulated in liposomes. The theoretical part focuses mainly on the characterization of lipophilic vitamins and their monitoring in the market. The experimental part is focused on their determination in real food supplements (Marťánci, Vibovit Dino and Vitamin Code Kids). Extraction in chloroform and enzymatic methods were chosen as suitable methods of determination, both methods being evaluated chromatographically (HPLC). Finally, liposomes were prepared and characterized. Liposomes prepared in the same way were later added to the preparation of gum confectionery. Finally, several types of dietary supplements with liposomes were proposed, into which lipophilic vitamins were encapsulated. Design of the food supplement itself was in the form of a gum confectionery (in the shape of a gummy bear and a coffee bean) made of gelatin or a mixture of agar and alginate. The proposed dietary supplement was subjected to sensory analysis and its organoleptic properties were evaluated.
Detailed record
Monitoring of lipophilic vitamins and provitamins in children 's products and possibilities of their fortification
 Maráčková, Adéla ; Hoová, Julie (referee) ; Skoumalová, Petra (advisor)
This bachelor thesis deals with the study of lipophilic vitamins with a focus on children's food supplements. It designs own food supplement in the form of gum confectionery with a vitamin mixture encapsulated in liposomes. The theoretical part focuses mainly on the characterization of lipophilic vitamins and their monitoring in the market. The experimental part is focused on their determination in real food supplements (Marťánci, Vibovit Dino and Vitamin Code Kids). Extraction in chloroform and enzymatic methods were chosen as suitable methods of determination, both methods being evaluated chromatographically (HPLC). Finally, liposomes were prepared and characterized. Liposomes prepared in the same way were later added to the preparation of gum confectionery. Finally, several types of dietary supplements with liposomes were proposed, into which lipophilic vitamins were encapsulated. Design of the food supplement itself was in the form of a gum confectionery (in the shape of a gummy bear and a coffee bean) made of gelatin or a mixture of agar and alginate. The proposed dietary supplement was subjected to sensory analysis and its organoleptic properties were evaluated.
Detailed record

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