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  • Title: Risk of enzyme allergy in the detergent industry.
    Author: Vanhanen M, Tuomi T, Tiikkainen U, Tupasela O, Voutilainen R, Nordman H.
    Journal: Occup Environ Med; 2000 Feb; 57(2):121-5. PubMed ID: 10711280.
    Abstract:
    OBJECTIVES: To assess the prevalence of enzyme sensitisation in the detergent industry. METHODS: A cross sectional study was conducted in a detergent factory. Sensitisation to enzymes was examined by skin prick and radioallergosorbent (RAST) tests. 76 Workers were tested; 40 in manufacturing, packing, and maintenance, and 36 non-exposed people in management and sales departments. The workers were interviewed for work related respiratory and skin symptoms. Total dust concentrations were measured by a gravimetric method, and the concentration of protease in air by a catalytic method. RESULTS: Nine workers (22%) were sensitised to enzymes in the exposed group of 40, whereas none were sensitised in the non-exposed group. All the sensitised people had symptoms at work; all had rhinitis and one had asthma. Protease concentrations were generally < 20 ng/m3, but occasional peak values up to 80 ng/m3 were detected in the packing and maintenance tasks, and high values of > 1 microgram/m3 in the mixing area. CONCLUSION: Despite the use of encapsulated enzyme preparations, high enzyme concentrations in workplace air are possible, resulting in a higher risk of sensitisation than expected.
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