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目前我国高校、中专学校食堂都采用多次使用的饭菜票,票面经过多次流通,沾上了不少微生物。为了解饭菜票污染情况,对我校使用的塑料饭菜票进行了一次微生物学检查,现将结果报告如下: 1 检查对象——饭菜票我校流通菜票约2万余元,饭票1万9千余斤,共有6百多人使用。伍角菜票及壹斤饭票平均每月周转一次,其余票面概不回笼,作流通票。随机抽学生中饭菜票各种面额每样三张,(票面为4.8cm×3.0cm大小)分三组。 A组:票面浸泡在100毫升灭菌生理盐水中,
At present, China’s colleges and universities, secondary school canteens have used multiple meals tickets, tickets after many circulation, stained with a lot of microbes. To understand the meal ticket pollution, the use of our school plastic meal tickets conducted a microbiological examination, the results are reported as follows: 1 check the object - meals tickets I circulated tickets about 20000 yuan, ticket 10000 More than 9 kg, a total of more than 6 people to use. Wu Cape tickets and one kilogram of meals average monthly turnover once, the remaining tickets will not be returned for circulation. Random pumping student lunch tickets of various denominations each kind of three, (the face is 4.8cm × 3.0cm size) divided into three groups. Group A: Face-wash in 100 ml sterilized saline,