广州地区可生吃新鲜蔬菜人体肠道寄生虫污染状况调查

为了解广州市供应的可生食新鲜蔬菜的寄生虫及其虫卵污染的情况，以广州市近郊蔬菜种植园、各区农贸市场和部分饮食业单位为调查点，采用询问调查和现场采样方式，用清水沉淀法检验寄生虫虫卵。共检测了8种365份可生食蔬菜，总检出率21．37％，寄生虫及虫卵中，蛔虫卵检出率为4．93％，钩蚴检出率为11．23％。饮食业制作可生食蔬菜成品的检出率达7．14％。广州地区可生食新鲜蔬菜寄生虫检出率偏高，生食蔬菜有一定危险性。

Survey of parasite contamination on vegetables eaten raw in Guangzhou

To realize the situation of contamination of vegetables by parasites' ova and larvae in the market of Guangzhou, 365 samples of 8 kinds of vegetables were collected from suburban vegetable farms, bazaars and downtown restaurants and examined by washing-precipitation method for ova and larvae of parasites. The overall positive detective rate was 21.37%. The positive detective rate of ascaris ova was 4.9% and that of hookworm larvae was 11.23%. The positive rate of parasite contamination on ready-to-serve raw vegetable samples collected from restaurants was 7.1%. The results indicate that the situation is undesirable and risky.