Testing Services >> Contaminants >> Filth & Extraneous Material

Filth & Extraneous Material

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In the highly specialized field of extraneous material analysis, Eurofins Microbiology is uniquely qualified in the detection and identification of the physical contaminants of food. Eurofins scientists are skilled, adept, and experienced at all types of filth and extraneous matter isolation and identification ranging from light to heavy. We work with every form of foreign material identification including biological contaminants.

Light and Heavy Filth Analysis of Raw Material and Finished Product is routinely performed onCandy, capsicum, cereal, cheeses, cocoa powder, and chocolate products, coffee, cookies, corn chips, cornmeal, crab meat, cream cheese, egg products, flour, fruit (dried), gum, hot sauce and salsa, mayonnaise, meat products, mushrooms (canned and dried), nuts and nut meals, pasta products, raisins, rice sticks, salt, shrimp, spices, sugar, tomatoes (canned), tomato products, tortillas, tuna (canned), excipients, and fine chemicals.

  • Contaminants Detected by Light Filth Analysis include insect fragments, animal hair, whole insects, and other extraneous material such as feather barbules, mites, metal, rubber, plastic, and paint chips.
  • Contaminants Detected by Heavy Filth Analysis are sand, grit, stones, glass, and metal


Macro Filth Analysis is performed when:

  • Looking for insect damage, mold, excreta, and other foreign matter
  • Follows commodity specific sampling plans


Identification of Foreign Material is typically performed for:

  • Complaints originating from retail consumers-legal/insurance
  • Internal QC physical inspection work-in-process, finished product ingredients, and excipients


FDA Detention Related Analysis for compliance with FD&C 402 (a) (3) & (4) includes:

  • Light filth 
  • Macroanalysis

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