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Microbial contamination packaging glass
Bělohoubková, Tereza ; Vítová, Eva (referee) ; Veselá, Mária (advisor)
The bachelor thesis contemplates the formation of microbial contamination during production of glass packaging used in food industry. The theoretical part defines the word packaging, its function and legislation of glass packaging. Glass packaging production is described as well as arising risks of potential microbial contamination. Unacceptable microorganisms with ability to live on the surface of glass packaging and possible determination of the microorganisms are characterized in the thesis. In the practical part swabs of produced glass packaging were analyzed by ATP bioluminescence and pH of the inner glass surface was determined to assess species of microorganisms able to live on glass surface. Conclusion of the thesis discusses establishments to lower the risk of microbial contamination.
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Preparation of edible antimicrobial packaging
Kozubová, Petra ; Dzurická, Lucia (referee) ; Skoumalová, Petra (advisor)
This bachelor’s thesis is focused on preparation and characterization of eatable packaging. Eatable packaging consists of two components, antimicrobial component and base of packaging. The task of eatable packaging is to protect product against antimicrobial attack and to extend durability of the product. As antimicrobial components were used water and oil extracts of several herbs (mint, nettle, lavender, cinnamon, cloves, vanilla, ginger and rhinoceros). Oil extracts were also encapsulated into liposomes for better application. Firstly, concentrations of polyphenoles and antioxidants of extracts were determined. Oil extract of clove contained the highest concentration of both determined substances. Encapsulation efficiency, stability and size of liposomes were tested too. All prepared liposomes were stable and relatively of the same size. Also high encapsulation efficiency was observed. Next, antimicrobial activity of prepared extracts and liposome particles against yeast Candida glabrata and two bacteria strains Escherichia coli and Staphycococcus epidermidis was tested and the high antimicrobial activity reported mainly all tested liposomes. Then alginate, chitosan and carboxymethylcellulose and their combinations respectively were used as bases of packaging. Created film had to meet several parameters, especially suitable sensory properties such as pleasant taste and smell, as well as invisibility, gloss, affordability and suitable manipulability. Combination of 2% carboxymethylcellulose and 1% alginate in a ration of 2:1 with liposomes of mint as antimicrobial component achieved the best results.
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Percepcia udržateľného obalu slovenskými spotrebiteľmi
Magurová, Lenka
Magurová L., Perception of sustainable packaging by Slovak consumers. Thesis. Brno: Mendel University in Brno, 2023. The main goal of this thesis was to determine the attitude of Slovak consumers towards sustainable packaging and to verify the impact of sustainability as an aspect in the purchasing decision-making process. To fulfill the main goal, it was necessary to define the theoretical starting point of the packaging issue and sustainability in marketing management. Subsequently, quantitative research was carried out in the form of a questionnaire survey among 481 respondents and subsequent qualitative research in the form of an additional semi-structured interview. The cluster analysis was used to define three segments of Slovak consumers based on the degree of influence of sustainability on their purchasing behaviour and the degree to which they perceive sustainability as a perceived benefit. Based on the obtained research results, suggestions and recommendations for the marketing strategy of manufacturers were presented.
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Microbial contamination packaging glass
Bělohoubková, Tereza ; Vítová, Eva (referee) ; Veselá, Mária (advisor)
The bachelor thesis contemplates the formation of microbial contamination during production of glass packaging used in food industry. The theoretical part defines the word packaging, its function and legislation of glass packaging. Glass packaging production is described as well as arising risks of potential microbial contamination. Unacceptable microorganisms with ability to live on the surface of glass packaging and possible determination of the microorganisms are characterized in the thesis. In the practical part swabs of produced glass packaging were analyzed by ATP bioluminescence and pH of the inner glass surface was determined to assess species of microorganisms able to live on glass surface. Conclusion of the thesis discusses establishments to lower the risk of microbial contamination.
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Preparation of edible antimicrobial packaging
Kozubová, Petra ; Dzurická, Lucia (referee) ; Skoumalová, Petra (advisor)
This bachelor’s thesis is focused on preparation and characterization of eatable packaging. Eatable packaging consists of two components, antimicrobial component and base of packaging. The task of eatable packaging is to protect product against antimicrobial attack and to extend durability of the product. As antimicrobial components were used water and oil extracts of several herbs (mint, nettle, lavender, cinnamon, cloves, vanilla, ginger and rhinoceros). Oil extracts were also encapsulated into liposomes for better application. Firstly, concentrations of polyphenoles and antioxidants of extracts were determined. Oil extract of clove contained the highest concentration of both determined substances. Encapsulation efficiency, stability and size of liposomes were tested too. All prepared liposomes were stable and relatively of the same size. Also high encapsulation efficiency was observed. Next, antimicrobial activity of prepared extracts and liposome particles against yeast Candida glabrata and two bacteria strains Escherichia coli and Staphycococcus epidermidis was tested and the high antimicrobial activity reported mainly all tested liposomes. Then alginate, chitosan and carboxymethylcellulose and their combinations respectively were used as bases of packaging. Created film had to meet several parameters, especially suitable sensory properties such as pleasant taste and smell, as well as invisibility, gloss, affordability and suitable manipulability. Combination of 2% carboxymethylcellulose and 1% alginate in a ration of 2:1 with liposomes of mint as antimicrobial component achieved the best results.
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Mandatory information on food packaging
KOPECKÁ, Štěpánka
The aim of this bachelor thesis was to recommended suggestions for improvement information about mandatory information using the result of research. In the theoretical part was explained the key words and it deals with mandatory information and this importance on food packaging. Some of this information is mandatory and some is voluntary given. The work explains why it is essential to pay attention to this information. In the practical part of thesis, the work brings the overview of the consumer´s percieve this information and this importance, which of this information is the most interesting for consumers, whether they are interested in composition of a food product. Further analysis depicts if consumers are interested in additives and why they are interested. Last but not least the survey is focused on the fact if consumers search other information about food products and where. Finally the work contains two suggestions for improvement.
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Marketing research in the field of food labelling and packaging
Ševčíková, Lenka ; Horová, Olga (advisor) ; Plášková, Alena (referee)
The aim of the Bachelor's Thesis is to evaluate whether consumers in shops are misled by product positioning of some selected foodstuffs using mystery shopping and whether the producers of these food products indicate all information required by legislation. Then the practical part of the Bachelor's Thesis analyses Czech consumer awareness of food labelling using primary survey. The theoretical part summarizes food packaging and labelling regulations. There are written obligatory and optional data, which should be listed on food labels; packaging and labelling markings, and supervisory authorities who protect this area.
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Sells Packing of Products or Content?
Stejskalová, Lucie ; Syrovátka, Oldřich (advisor) ; Nesnídalová, Jitka (referee)
The Bachelor thesis analyse selected issues of a packaging technology and marketing. It includes theoretical and practical part. The theoretical part describes relevant selected terms and serves as a base for the practical part. The practical part describes and interprets data from a survey which was carry out on two different research samples. The summary includes data from both groups which are compared and interpreted again and also it includes some small recommendations.
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