CSIR-FRI offer comprehensive chemical analytical services to the local beverage, food, feed and brewing industries.
Commodities tested include: Fish and fish products, chocolate and cocoa products, water, fruit juices and soft drinks, biscuits, toffees, dairy products, poultry products, spices, flavorings, condiments and vegetables.
We have been granted accreditation to ISO/IEC17025:2005 by South Africa National Accreditation System (SANAS) for the following chemical analysis:
Accredited Chemical tests are:
1. Moisture determination in food and feed-Air Over Method AOAC 925.10 (1990)
2. Protein in food and feed-Kjeldahl method AOAC 984.13 (1990)
3. Fat (crude) or ether extract in food and animal feed-Soxhelt method AOAC 920.39 C (2000)
4. Determination of Ash in dried food and feed AOAC 923.03 (2000)
Wine, Spirit and soft drinks:
Determination of alcohol, total extracts, acidity, sugars, total soluble solids etc.
Other Chemical Analyses cover
mycotoxin, milk solid non fat, sulphite, theobromine, benzoate, Wet Gluten (wheat Flour), carbohydrate& energy, saponification value, iodine value, and impurities. Other tests include impurities (feed/powdery samples), unsaponifiable matter, iron, acid Insoluble Ash, Water soluble ash, Alkalinity of soluble ash, Salt: (NaCI, Sulphate, Calcium, Magnesium, Iodine), Caffeine, Bromate, Urease Activity, Aflatoxin, Free Fatty Acids, Peroxide Value, Impurities (oil), Impurities (water insoluble), Calcium, Phosphorus, Esters, Aldehydes, Starch, and Crude fibre. Determination of alcohol, total extract, acidity, sugars, total soluble solids are also done.
Approved methods and latest techniques
The analytical work in the Food Chemistry Laboratory is carried out in accordance with both national and internationally accepted standards.
Our Chemistry laboratories are equipped with instruments such as:
• Gas chromatograph (GC) equipped with a sniffing pot
• Gas chromatograph equipped with a mass spectrometer (GCMS)
• High performance liquid chromate-graphs (HPLC)
• Atomic absorption spectrophotometer (AAS)
