This thesis deals with the determination of aroma active compounds in non-chocolate confectionery and their influence on the sensory properties of these sweets. The theoretical part is focused on the 26 potentially allergenic substances and their determination by SPME-GC-FID (a solid phase microextraction, gas chromatography with flame ionisation detector) and sensory analysis. In the experimental part SPME-GC-FID method was used to identify and quantify aroma active substances contained in the selected samples of confectioneries commonly available in food market and find out influence of presence and amounts of these substances on sensory profile of selected confectionery.

A presente tese de Doutorado em Antropologia Social parte da constatação de que o sabor doce é muito importante para os seres humanos. Aliás, ao contrário do que afirma a bibliografia, a produção e o consumo de doces são muito difundidos inclusive entre os grupos indígenas. Desta forma, tem-se como objetivo uma análise antropológica da produção e consumo de alimentos entre os Mbyá-Guarani – grupo indígena brasileiro – enfatizando os seus sabores doces e os sentidos a eles atribuídos. A partir dos dados obtidos junto aos Mbyá-Guarani é possível repensar a contribuição dos grupos indígenas na formação da culinária e, mais especificamente, o papel destes grupos na cultura doceira brasileira. / This thesis of Doctorate in Social Anthropology starts from the fact that the sweet flavor is very important to human being. Moreover, contrary to what the literature says, the production and consumption of sweets is very widespread even among indigenous group. Thus, it has at objective an anthropological analysis of food’s productions and consumption among the Mbyá-Guarani – Brazilian indigenous group - emphasizing the sweet flavor and the meaning give to them. From the data obtained from the Mbyá-Guarani is possible rethink the contribution of indigenous group in the formation of the cuisine and, more specifically, the role of this group in the Brazilian culture of make sweets.

A presente tese de Doutorado em Antropologia Social parte da constatação de que o sabor doce é muito importante para os seres humanos. Aliás, ao contrário do que afirma a bibliografia, a produção e o consumo de doces são muito difundidos inclusive entre os grupos indígenas. Desta forma, tem-se como objetivo uma análise antropológica da produção e consumo de alimentos entre os Mbyá-Guarani – grupo indígena brasileiro – enfatizando os seus sabores doces e os sentidos a eles atribuídos. A partir dos dados obtidos junto aos Mbyá-Guarani é possível repensar a contribuição dos grupos indígenas na formação da culinária e, mais especificamente, o papel destes grupos na cultura doceira brasileira. / This thesis of Doctorate in Social Anthropology starts from the fact that the sweet flavor is very important to human being. Moreover, contrary to what the literature says, the production and consumption of sweets is very widespread even among indigenous group. Thus, it has at objective an anthropological analysis of food’s productions and consumption among the Mbyá-Guarani – Brazilian indigenous group - emphasizing the sweet flavor and the meaning give to them. From the data obtained from the Mbyá-Guarani is possible rethink the contribution of indigenous group in the formation of the cuisine and, more specifically, the role of this group in the Brazilian culture of make sweets.

A presente tese de Doutorado em Antropologia Social parte da constatação de que o sabor doce é muito importante para os seres humanos. Aliás, ao contrário do que afirma a bibliografia, a produção e o consumo de doces são muito difundidos inclusive entre os grupos indígenas. Desta forma, tem-se como objetivo uma análise antropológica da produção e consumo de alimentos entre os Mbyá-Guarani – grupo indígena brasileiro – enfatizando os seus sabores doces e os sentidos a eles atribuídos. A partir dos dados obtidos junto aos Mbyá-Guarani é possível repensar a contribuição dos grupos indígenas na formação da culinária e, mais especificamente, o papel destes grupos na cultura doceira brasileira. / This thesis of Doctorate in Social Anthropology starts from the fact that the sweet flavor is very important to human being. Moreover, contrary to what the literature says, the production and consumption of sweets is very widespread even among indigenous group. Thus, it has at objective an anthropological analysis of food’s productions and consumption among the Mbyá-Guarani – Brazilian indigenous group - emphasizing the sweet flavor and the meaning give to them. From the data obtained from the Mbyá-Guarani is possible rethink the contribution of indigenous group in the formation of the cuisine and, more specifically, the role of this group in the Brazilian culture of make sweets.

Daugelio tyrimų išvados atskleidžia tai, kad vaikų elgesys, žinios, požiūris į maistą bei sveikatos būklė yra įtakoti maisto reklamos, kuri šiuo atžvilgiu skatina vaikų nepalankių sveikatai maisto produktų pasirinkimą. Darbo tikslas – įvertinti reklamos įtaką Vilniaus miesto mokyklų 5, 7, 9 klasių mokinių maisto produktų pasirinkimui. Tyrimo metodai ir apimtis. Tyrimas atliktas pirmąjį mokslo metų pusmetį (spalio, lapkričio, gruodžio mėnesiais). Apklausti Augusto pagrindinės mokyklos, Radvilų gimnazijos, Minties gimnazijos, Šeškinės vidurinės ir Antano Vienuolio pagrindinės mokyklos 5, 7, 9 klasių mokiniai. Išdalinta 650 anketų, 14 anketų buvo grąžintos tuščios (mokiniai sirgo), 31 anketa atmesta, nes nebuvo atsakyta į anketos klausimus arba jos buvo tiesiog sugadintos. Atsako dažnis 93,1%. Statistikai duomenys apdoroti naudojantis statistinės analizės ir duomenų apdorojimo programine įranga – SPSS (16 versija), WINPEPI ir Microsoft Excel programa. Rezultatai ir išvados. Didžioji dauguma mokinių (80%) kasdien pusryčiauja, pietauja ir vakarieniauja. Aukštesnių klasių mergaičių, praleidžiančių pagrindinius valgymus, daugiau nei berniukų. Šiek tiek mažiau nei pusė mokinių vadovaujasi sveikos mitybos piramide ir vaisius valgo kiekvieną dieną. Kasdien daržoves valgančių mokinių dalis siekia trečdalį. Bulvių traškučius ir saldžiuosius gėrimus dauguma respondentų perka retai. Šiek tiek mažiau negu pusė mokinių, siekdami, kad tėvai jiems nupirktų išreklamuotą maisto produktą... [toliau žr. visą tekstą] / Many foreign scientific researches has revealed that children's behavior, knowledge, approach to food and health status are influenced by food advertising. This fact has negative health impact on children's food choices. Goal - to assess the impact of advertising on 5th, 7th, 9th classes student's food choice in schools of Vilnius city. Methods and scope of research. The research was made on the first half of the school year (in October, November and December). 5th, 7th, 9th classes students of 5 schools in Vilnius city: Žygimantas Augustas primary school, Radvilų gimnasium, Minties gimnasium, Šeškinė high school, Antanas Vienuolis primary school, were surveyed. 650 questionnaires were distributed, 14 questionnaires were returned blank (pupils were ill), 31 questionnaires rejected because an answers were illogical. The response rate is 93,1%. Statistical data processing was done using statistical analysis and data processing software - SPSS (version 16), WINPEPI and Microsoft Excel. Results and conclusion. The majority of students (80%) on a daily basis has breakfast, lunch and dinner. Higher grade girls spent their main meals, more than boys. Less than half of students follow a healthy diet pyramid and eat fruit every day. One third of students eat vegetables every day. Potato chips and sweet drinks by most respondents are buying rare. Only a third of parents buy advertised food for children, but that rarely do. Although about 90% of the students themselves buy an advertised... [to full text]

El presente trabajo de investigación consiste en la elaboración de un plan de negocio para el lanzamiento de una nueva compota o papilla para niños y bebés elaborada sobre la base de la denominada “Papa dulce del Perú”: el nutritivo camote peruano. Esta nueva compota llevará el nombre de “Baby Perú” y se presentará al mercado en tres sabores diferentes: “la naranjita”, “la moradita” y “la blanquita”, los cuales harán referencia a las variantes en sabores que ofrece esta raíz peruana: el camote naranja, el camote morado y el camote blanco, respectivamente. La propuesta de negocio se fundamentará en otorgar un producto de muy buena calidad, de origen e identidad propia a nivel nacional. Se encontrará dirigido hacia las madres de familia de entre 18 y 45 años que poseen hijos de hasta 5 años de edad, de nivel socioeconómico A, B y C con residencia en Lima. De acuerdo al análisis del entorno realizado, el éxito del proyecto posee bastante asidero, debido a que éste cuenta con diferentes fortalezas que permitirán su viabilidad en diferentes escenarios. Por otro lado, como resultado de la investigación de mercado, se ha determinado que actualmente sí existe demanda para este tipo de producto. Por último, la evaluación financiera de nuestra propuesta de negocio ha otorgado indicadores bastante atractivos en términos financieros: el VAN del proyecto es de S/ 69,104 y la TIR del 35%, con un periodo de recuperación de 1 año. En efecto, la presente propuesta de negocio es factible y rentable. / This research work consists in the development of a business plan for the launch of a new compote or porridge for children and babies made with the nutritious Peruvian sweet potato. This new compote will be called "Baby Peru" and will be presented to the market in three different flavors: "la naranjita", "la moradita" and "la blanquita", which will refer to the variants in flavors offered by this Peruvian root: The Orange Sweet Potato, the Purple Sweet Potato and The White Sweet Potato, respectively. The business proposal will be based on providing a product of very good quality, of its own origin and identity at the national level. It will be aimed at mothers between 18 and 45 years old who have children up to 5 years of age, of socioeconomic level A, B and C with residence in Lima. According to the analysis of the environment carried out, the chances of this project being successful are high, because it has different strengths that will allow its viability in different scenarios. Also, as a result of market research, it has been determined that there is currently a demand for this type of product. Finally, the financial evaluation of our business proposal has provided quite attractive indicators: The NPV of the project is S/ 69,104 and the IRR is 35%, with a recovery period of one year. Indeed, this business proposal is feasible and profitable. / Trabajo de investigación