Fruit and vegetables
Physical tests
- net weight
- net drained weight
- gas composition headspace (oxygen, carbon dioxide, nitrogen)
Microbiology
- aerobic mesophilic germ count at 30°C
- fungi and yeasts
- lactobacilli
- enterobacteriaceae at 37°C
- coliforms
- ß-glucuronidase positive E. coli
- coagulase positive staphylococci
- Bacillus cereus at 30°C
- Listeria monocytogenes (in 25g)
- Salmonella (in 25 g)
- sterility test
Nutritional value
- fluids, dry matter
- ash
- protein
- fat after acid hydrolysis (Weibull)
- reducing sugars after inversion (as glucose)
- dietary fibre (Asp)
- fatty acids (C4 to C24)
- total carbohydrates (calculated)
- energetic value (kcal and kJ)
- salt (Na*2.5)
Vitamins
- Bullet points
Minerals and metals
- cadmium (Cd)
- lead (Pb)
- mercury (Hg)
- arsenic (As)
- tin (Sn)
Additives and sweeteners
- synthetic water-soluble colouring agents qualitative (E102,104,110,122,123,124,127,131,132,133,142,151)
- antioxidants (propyl gallate, octyl gallate, lauryl gallate, butyl hydroxy anisole, butyl hydroxytoluene)
- glutamic acid
- citric acid
- ascorbic acid
Unwanted substances, contaminants, pesticides
- pesticides screening GC/LC
- nitrate (HPLC vegetables)
Toxins
- patulin
PCR
- DNA derived from GMO
Various
- pH
- °Brix
- soluble dry matter
- ash insoluble in HCl
- total acidity (as acetic acid, citric acid, lactic acid)
- glucose, fructose, sucrose, maltose, lactose
- quality control (chips)