食品和饮料中的微塑料：现状与未来方向.pdf

1、Microplastics in Food Systems:Current Understanding and Future DirectionsRazieh Farzad,Ph.D.Assistant Professor&Seafood Safety Extension SpecialistEmail:rfarzadufl.eduICBC,2025Clearwater,FLThe Rapid Rise of Use of PlasticsFLORIDA SEA GRANTRapid growth in plastic production since 1950Outpaced steel,a

2、luminum,and cementSince 2000 production has doubledTotal produced:8.3 billion metric tons70%of plastics already waste9%recycled12%incineratedRest landfills&environment90%of all plastics ever made still existFirst wildlife evidence 1960sFirst microplastics in ocean(North Pacific and North Atlantic)19

3、70sGarbage Patch 2000(Geyer et al.,2017)Kenyon and Kridler(1969),Carpenter et al.(1972),Wilber(1987)An example of microplastics pulled from the ocean Credit:Sea Education AssociationOne Health Perspective On Microplastics IssueFLORIDA SEA GRANTEnvironmental HealthAnimal HealthHuman Health(Parata et

4、al.,2021)What Are Microplastics?FLORIDA SEA GRANT“Microplastics are not microplastics are not microplastics,just like pesticides are not pesticides are not pesticides.“(Rockman et al.,2019)What Are Microplastics?FLORIDA SEA GRANTThere is no scientifically agreed on definition:SizeSourceShapeTypeSour

5、ces Of MicroplasticsFLORIDA SEA GRANT(Rockman et al.,2021)Human Exposure Pathways To MicroplasticsHuman ExposureInhalationDermalIngestionFood and BeveragesDust falloutOther Plastics Products(WHO 2019,Revel et al,2018,Catrina et al.,2018)FLORIDA SEA GRANTMicroplastics In Food and BeveragesFLORIDA SEA

6、 GRANTFLORIDA SEA GRANTMicroplastics In Food and Beverages(FDA,2024)Lack of standardized definitions Non-standardized sampling and analytical methods Inconsistent reporting metrics Lack of confirmatory analysis Quality assurance issuesFLORIDA SEA GRANTMicroplastics In Food and BeveragesFLORIDA SEA G