RESUMEN
The bread-making industry involves a combination of hazardous exposures. A biochemical and environmental study was conducted on manual and semi-automatic bakeries. The aim of this study was to investigate different biochemical changes and environmental factors among bakery workers. Blood samples were collected from 25 exposed workers and 25 age and sex matched control subjects, determination of circulating IgE (immunoglobulin E), carbonic anhydrase and catalase enzyme were analyzed in the blood Environmental measurements (respirable dust, total suspended particulate TSP). Heat stress, noise and relative humidity were analyzed in manual and semi automatic bakeries. A significant increase in the level of IgE catalase and carbonic anhydrase were significantly higher among exposed workers in comparison with control group either in manual and semi-automatic bakeries Environmental factors were significantly higher especially in manual bakeries Where higher contaminates and heat stress exposure than automatic ones due to nature of work type of fuel. age of oven etc and most of contaminants exceeded the TLV Attention should be paid to the health of the bakery workers and it has been recommended to completely mechanize manual bakeries.
Asunto(s)
Contaminantes Ocupacionales del Aire/análisis , Culinaria/métodos , Polvo/análisis , Monitoreo del Ambiente , Exposición Profesional/análisis , Adulto , Anhidrasas Carbónicas/sangre , Estudios de Casos y Controles , Catalasa/sangre , Femenino , Harina , Calor , Humanos , Humedad , Inmunoglobulina E/sangre , Masculino , Ruido en el Ambiente de Trabajo/efectos adversosRESUMEN
Electrophilic compounds are widely used in industry. Rubber processing is the famous example of sites where workers are exposed to electrophilic compounds. Besides their immediate effect on different body systems, electrophilic compounds include most mutagenic and carcinogenic substances. The present study was carried out to elucidate the possibility of using non selective assays in the biological monitoring of occupational exposure to electrophilic compounds. The study included a total number of 40 workers exposed to chemicals during rubber industry (n=25 exposed) and comparison group (n=15). The biochemical tests carried out on each subject included: (1) Estimation of thioether levels in urine as a biological indices of electrophilic compounds. (2) Non selective assays as urinary RNase and alpha esterase, glutathione-S-transferase and aryl sulphatase. Their determination is recommended in the biological monitoring of workers exposed to such agents beside the medical surveillance of workers exposed to such chemicals. The study finding showed significant increase in the levels of thioether and all the non-selective assays among exposed workers rather than the comparison group.