Air Borne Microbes in a Confectionery Factory

Abstract

Air borne microbes in a confectionery factory were surveyed by means of the pin hole sampler method over a year from January to December, 1980. Average contents of fungi and bacteria were 0.45 and 0.31 per 1 of air throughout the experimental period. Microbial contents showed a tendency to increase to some extent in the fall, although differences were not significant among the air samples in every season. The bacterial flora consisted largely of gram positive spore forming rods and gram positive cocci, and the main fungi were Penicillium, Aspergillus and Cladosporium. Particularly, Penicillium spp. were the most commonly and predominantly identified throughout the year. Penicillium spp. were the most common mold on the surface of ceiling, walls and so on.