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1.
Ars pharm ; 50(3): 124-128, jul.-sept. 2009. tab
Artigo em Inglês | IBECS | ID: ibc-77750

RESUMO

The content of α-glucoxidase in two varieties of honey covered by the Granada Honey Protected Denomination of Origin Regulatory Board is studied. The evolution of invertase activity was followed for 10 months, in 12 monofloral chestnut honey samples collected in the Alpujarra area of Granada and 9 monofloral rosemary honey samples collected in la Resinera, Valle de Lecrin and in the Sierra de Baza for 10 months. The invertase was measured in the months of June 2005, September 2005, January 2006 and finally in the month of April 2006. We obtained an invertase activity in fresh chestnut honey of 194.6±3.6 U/kg, with a range between 188.7 U/kg and 199.5 U/kg. After 10 months at ambient temperature, the chestnut honey lost between 28.3% and 39.8% of the initial values of α-glucosidase, with an average of 33.4%±3.3%. In the rosemary honey we obtained average invertase values of 69.4±14.9 U/kg, with a range between 56.9 U/kg and 91.9 U/kg. After 10 months at ambient temperature, the rosemary honey lost between 19.3% and 32.3% of the initial α-glucosidase values, with an average of 28.1%±4.4%(AU)


Assuntos
Humanos , Castanea vesca/farmacologia , Rosmarinus/farmacologia , Mel , Castanea vesca/análise , Rosmarinus/análise
2.
Allergol. immunopatol ; 33(3): 145-150, mayo 2005. ilus, tab
Artigo em Espanhol | IBECS | ID: ibc-037706

RESUMO

Introducción: La alergia al polen de castaño (Castanea sativa) ha sido considerada rara y clínicamente insignificante. En nuestra área geográfica (Plasencia, Cáceres, España) es un polen predominante. Objetivo: Este trabajo pretende determinar las fluctuaciones atmosféricas y la existencia de individuos sensibilizados al polen de castaño y su comparación con otras especies. Métodos: Pacientes que acudieron en el año 2003 por primera vez a nuestra consulta por síntomas respiratorios. Se les realizó prueba del prick con extractos comerciales de una batería de aeroalérgenos que incluía polen de castaño. Se determinó la IgE específica a polen de Castanea sativa por CAP system (Pharmacia & Upjohn, Uppsala, Suecia). El estudio aerobiológico se realizó con un captador Cour, durante los años 2000-2003. Resultados: Los taxones más abundantes fueron (media de la concentración semanal máxima de los 4 años, en granos de polen/m 3 de aire): Quercus 968, gramíneas 660, olivo 325, plátano de sombra 229, pino 126, cupresáceas 117, llantén 109, aliso 41, chopo 40, castaño 32... Se estudiaron 346 pacientes. En los 210 diagnosticados de polinosis, los porcentajes de sensibilización fueron: Dactylis glomerata 80,4 %, Olea europea 71,9 %, Fraxinus excelsior 68 %, Plantago lanceolata 62,8 %, Chenopodium album 60,9 %, Robinia pseudoacacia 49 %, Artemisia vulgaris 43,8 %, Platanus acerifolia 36,6 %, Parietaria judaica 36,1 %, Populus nigra 32,3 %, Betula alba 27,6 %, Quercus ilex 21,4 %, Alnus glutinosa 20,9 %, Cupressus arizonica 7,6 % y Castanea sativa 7,1 %. Hubo quince pacientes sensibilizados al polen de castaño, catorce con rinoconjuntivitis y asma. Diez tuvieron IgE específica sérica a polen de castaño, aunque el valor mayor encontrado fue de 17,4 ku/L. El castaño polinizó en las semanas 23 a 28, con pico en la 25. Conclusiones: Los pólenes alergénicos más importantes en el norte de Extremadura fueron gramíneas, Olea europea y Plantago sp. La prevalencia de sensibilización al polen de Castanea sativa fue del 7,1 %, cifra muy baja. La mayoría de los pacientes eran asmáticos y estuvieron polisensibilizados. El polen de castaño no es un alérgeno importante en nuestra zona como causa de polinosis


Background: Castanea sativa pollen allergy has generally been considered to be uncommon and clinically insignificant. In our geographical area (Plasencia, Cáceres, Spain) Castanea sativa pollen is a major pollen. Objective: To determine the atmospheric fluctuations and prevalence of patients sensitized to Castanea pollen in our region and to compare this sensitization with sensitizations to other pollens. Methods: Patients with respiratory symptoms attending our outpatient clinic for the first time in 2003 were studied. The patients underwent skin prick tests with commercial extracts of a battery of inhalants including Castanea sativa pollen. Serologic specific IgE to Castanea sativa pollen was determined using the CAP system (Pharmacia & Upjohn, Uppsala, Sweden). Airborne pollen counts in our city were obtained using Cour collection apparatus over a 4-year period (2000 to 2003). Results: The most predominant pollens detected were (mean of the maximal weekly concentrations over 4 years in pollen grains/m 3): Quercus 968, Poacea 660, Olea 325, Platanus 229, Pinus 126, Cupresaceae 117, Plantago 109, Alnus 41, Populus 40, Castanea 32. We studied 346 patients (mean age: 24.1 years). In 210 patients with a diagnosis of pollinosis, the percentages of sensitization were: Dactylis glomerata 80.4 %, Olea europea 71.9 %, Fraxinus excelsior 68 %, Plantago lanceolata 62.8 %, Chenopodium album 60.9 %, Robinia pseudoacacia 49 %, Artemisia vulgaris 43.8 %, Platanus acerifolia 36.6 %, Parietaria judaica 36.1 %, Populus nigra 32.3 %, Betula alba 27.6 %, Quercus ilex 21.4 %, Alnus glutinosa 20.9 %, Cupressus arizonica 7.6 % and Castanea sativa 7.1 %. Fifteen patients were sensitized to Castanea sativa and 14 had seasonal rhinoconjunctivitis and asthma. Ten patients had serum specific IgE to Castanea pollen (maximum value: 17.4 Ku/l). Castanea pollen is present in our area in large amounts from the 23rd to the 28th weeks of the year, with a peak pollen count in the 25th week. Conclusions: The most important allergenic pollens in northern Extremadura were Poaceae, Olea europaea and Plantago sp. The prevalence of sensitization to Castanea sativa pollen was very low (7.1 %). Most sensitized patients had asthma and polysensitization. Castanea sativa pollen is not a major cause of pollinosis in our area


Assuntos
Humanos , Hipersensibilidade Respiratória/etiologia , Pólen/efeitos adversos , Castanea vesca/efeitos adversos , Hipersensibilidade Respiratória/epidemiologia , Espanha/epidemiologia , Alérgenos , Imunoglobulina E/análise , Conjuntivite Alérgica/imunologia , Asma/imunologia , Testes Cutâneos/métodos , Rinite Alérgica Sazonal/imunologia
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