Encontrados 7 documentos, a visualizar página 1 de 1
Ubiquidade do ruído em Neonatologia: efeitos e efectividade de medidas de controlo
Oliveira, Dina; Figueiredo, Miguel; Batista, VâniaIntrodução: Nas unidades de cuidados intensivos neonatais, o ruído é uma realidade incontornável e de difícil controlo. A exposição a níveis elevados de ruído tem sido reconhecida como factor de risco para o desenvolvimento do recém-nascido pré-termo. O objectivo foi avaliar a efectividade da formação dos profissionais e da introdução de um sensor de ruído de alarme luminoso, enquanto possíveis estratégias de r...
Honey and honey bees of Guinea-Bissau
Pinto, M. Alice; Batista, Vânia; Alves, Dulce; Vilas-Boas, MiguelBeekeeping is an ancient activity in Guinea-Bissau. The ancestral interaction with bees stands on “honey hunting” of natural colonies or use of traditional hives hanged on trees. These hives are perfect shelters for swarms but the colony is destroyed every year after honey harvesting. Bees are therefore kept as wild as ever with little, if any, interference from man. Reports on honey bees and honey of Guinea-B...
Honey and honey bees of Guinea-Bissau
Pinto, M. Alice; Batista, Vânia; Alves, Dulce; Vilas-Boas, MiguelBeekeeping is an ancient activity in Guinea-Bissau. The ancestral interaction with bees stands on “honey hunting” of natural colonies or use of traditional hives hanged on trees. These hives are perfect shelters for swarms but the colony is destroyed every year after honey harvesting. Bees are therefore kept as wild as ever with little, if any, interference from man. Reports on honey bees and honey of Guinea-Bi...
Screening of portuguese propolis and its plant sources for inhibitory activity ...
Vale, N.; Falcão, Soraia; Batista, Vânia; Freire, C.; Maes, L.; Vilas-Boas, MiguelPropolis is a beehive product with a very complex chemical composition, widely used in folk medicine because of its several therapeutic activities. Its biological properties and chemical composition may vary according to the geografic location and to the different plant sources. Recently, we reported the mechanism for extration and propolis sample preparation (Falca˜o et al, Anal. Bioanal. Chem., 2010, 396: 887...
Is Portugal a country of propolis diversity?
Falcão, Soraia; Batista, Vânia; Cardoso, Susana M.; Domingues, M.R.M.; Vilas-Boas, MiguelPortugal geographical situation and therefore their floral diversity points towards the existence of typical propolis from temperate zones, where bud exudates of poplar trees (Populus species) are the main source of this honeybee product With the exception of Madeira and Azores Islands, where the floral diversity could present significant differ· ences, it would be expected to find a product rich in flavonoid a...
Organic beekeeping in Portugal
Garção, H.; Barros, Lillian; Batista, Vânia; Vilas-Boas, MiguelBeekeeping in Portugal is an agricultural activity that over the past years has seen a reduction in the number of registered operators. However, this behaviour is not the result of abandonment, as found in general for other agricu lture activities, but is due to an increase of beekeepers professionalism, as evidenced by the steady number of registered hives. The decrease in the number of beekeepers refiects the...
A first approach to the characterization of portuguese honeydew honey
Batista, Vânia; Rodrigues, E.; Vilas-Boas, MiguelAt the moment, the Portuguese honey sector is mostly focused on the production of monofloral nectar honeys that simultaneously have a greater market demand and commercially represent higher incomes for beekeepers.
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