Analysis on lead and cadmium contamination of farm product in five cities of Guangxi

ObjectiveTo investigate the lead and cadmium contamination of main farm product in five cities of Guangxi.MethodUnder the strict quality control,8 types of main farm products in 5 cities were monitored for lead and cadmium.ResultsThere was total 923 significant data monitored from 588 samples which belonged to 8 foods.Lead contamination was mornitored to 429 samples.Serious lead contamination was found in preserved eggs in three cities.The standard-exceeding rate was 50% to 75%.As for lead contamination,the standard-exceeding rate of vegetables and soybeans was over 30% in Nanning while the rate of milk reached 100% in Baise city.With regard of cadmium contamination,the standard-exceeding rate of shells and crabs was respectively 93.0% and 82.0%.In Beihai that rate of animal kidneys was over 80% in three cities;the standard-exceeding rate in rice was 28.6% in Nanning and Yulin.In addition,that rate of vegetable was 24.3% in Nanning.Also in Nanning,lead and cadmium contamination was found in nine pieces of farm products including Beijing cabbage,white turnip,radish and kidney bean,etc.Double standard-exceeding rate was 15.2% (9/59).ConclusionComprehensive management and avoiding environmental pollution should be strengthened.