EGGS

EGGS AND EGG PRODUCTS

ORGANOLEPTIC TEST

PHYSICO-CHEMICAL AND BIOCHEMICAL TESTS

Energy value

Net mass

Active acidity (pH)

Titracic acid, free fatty acids

Water / dry matter content

Fat content

Protein content (nitrogen)

Carbohydrate content

Raw cellulose (fiber) content

Content of ash

Content of the cook. salt (sodium chloride)

Residual sodium hydroxide content

Residual chlorine content

Determination of pasteurization

Solubility of dry egg products

Determination of peroxide number

Content of benzoic acid (benzoate)

Antimony content

Arsenic content

Iron content

Mercury content

Content of iodine

Cadmium content

Content of tin

Calcium content

Magnesium content

Manganese content

Copper content

Sodium content

Nickel Content

Content of nitrites

Content of lead

Selenium content

Sulphate content

Phosphate content (phosphorus)

Chromium content

Zinc conten

Contents of Chlororganic Phosphorus Nitrogen and Sulfur-Containing Pesticides

Content of colors: yellow, red and blue

Vitamin content: A (retinol)

A (beta-carotene)

B1 (thiamine)

B2 (riboflavin)

B3 (niacin)

B5 (pantothenic acid)

B6 (pyridoxine)

B7 (biotin / vitamin H)

B9 (folic acid)

C (ascorbic acid)

D (D2 ergocalciferol)

D (D3 cholecalciferol)

E (tocopherols)

K (phytomenadione)

Content of saturated fatty acids

Content of unsaturated fatty acids

Content of trans isomers of fatty acids

Residues of pharmacological substances: sulphonamides; Tertacyclines; Quinolones; Macrolides; Lincosamides; Amphiphenols; Aminoglycosides; Beta-lactams; Polypeptide antibiotics

MICROBIOLOGICAL TEST

  • Bacilus spp., B. cereus
  • Vibrio (diferent from V. parahaemoyiticus, V. cholere)

Water activity

Yeast

E.coli

E.coli 0157

Enterobacteriaceae, incl. Proteus, Klebsiela, Cytobacter

Enterococcus faecalis

Yersinia Enterocoliticа

Campylobacter spp.

Clostridium perfringens

Clostridium

Coagulase-positive staphylococci

Leukoston

Lysteria monocytogenes

Mesophilic lactic acid bacteria

Molded

Pseudomonas aeruginosа

Psychotropic micro-organisms

Salmonella spp.

Streptococci

Shigella spp.

DNA TESTS

Detection of foreign DNA

  • Shiga-toxin forming E. coli-O157, O111, O26, O103 and O145
  • Determination of Staphylococcal enterotoxin

Detection of allergens

Determination of genetically modified organisms - 35S

Determination of genetically modified organisms - FMV

Determination of genetically modified organisms – NOS terminator

Horizontal method for the detection and enumeration of Listeria monocytogenes

Horizontal Method for detection of Salmonella spp

Residues of pharmacological substances: sulphonamides; Tertacyclines; Quinolones; Macrolides; Lincosamides; Amphiphenols; Aminoglycosides; Beta-lactams;Polypeptide antibiotics Horizontal method for the detection and enumeration of Enterobacteriaceae

Horizontal method for the enumeration of coagulasepositive staphylococci (Staphylococcus aureus and other species)

Horizontal method for enumeration of Clostridium perfringens - Colony counting technique