Browsing by Author "Almeida, Maria Helena Guimarães"
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- Efeito da tecnologia pós-colheita na fracção volátil do flavour a cacau. Estudo de uma fermentação em São Tomé e PríncipePublication . Almeida, Maria Helena GuimarãesThe objective of the work is to study the effect of the fermentation and the type of the drying on the cocoa flavour formation, mainly on the pyrazine compounds
- Estudo do fumo ambiental do tabaco em locais de trabalho e de convivio do Instituto Superior de AgronomiaPublication . Lourenço, Maria da Graça; Almeida, Maria Helena Guimarães; Matos, ArleteIn this paper statistical data about tobacco consumption and its effects on health are presented. A summary about tobacco research at Instituto Superior de Agronomia is made and a study of ETS in inner places of the school is presented. The aim of this study was to characterise cabinets and leisure places with tobacco pollution by gas chromatography quantification of nicotine, minor alkaloids and 3-ethenylpyridine.