Intended use:

The VitaFast® Niacin microtiter plate test is a microbiological method for the quantitative determination of total niacin (added and natural niacin) in food, animal feed and in pharmaceutical products. The microbiological test system is in accordance with the international norms.

General Information:

Niacin is extracted from a homogenized sample and the extract is diluted. The diluted extract and standards are applied to the wells of a microtiter plate coated with Lactobacillus plantarum. The growth of the bacteria is dependent on the vitamin content of the sample, or standard. Lactobacillus plantarum belongs to the lactic acid bacteria, and has an absolute growth requirement for the niacin. Thus, this organism is ideal for quantification of niacin in food and dietary supplements. As a group, the lactic acid bacteria are good candidates for vitamin analysis due to their genetic stability (resistance to undergo mutation), simple metabolic requirements, ease of maintenance and general safety as a non-pathogenic organism.

Benefits:

  • The test system is very robust and well suited for routine analysis.
  • The VitaFast® test kits feature uniform procedures across the product line.

Specifications
Article NumbersP1004
Test format Microtiter plate with 96 wells (12 strips with 8 removable wells each)
Sample preparation - Liquid samples (added niacin): sterile filtration and dilution.
- Solid samples (added niacin): sample homogenization, extraction, centrifugation and dilution.
- Liquid and solid samples (added and native niacin): sample homogenization, enzymatic treatment, extraction, centrifugation and dilution.
Incubation time 44 - 48 h in the dark at 37 °C (98.6 °F)
LOD (Detection limit) 0.0048 µg / 100 g (ml)
LOQ (Limit of quantification)

0.016 µg / 100 g (ml)

Validated matrices

Multivitamin juice, fitness drink, fruit gums, candies, pills, capsules, vitamin mixes, cereals, baby food, bread, flour, meat, meat products, milk products, yeast, yeast products.

Detected analyte Niacin concentration
Evaluation Microtiter plate photometer 610-630 nm (alternativ 540-550 nm)
E-mail linksales@r-biopharm.de
Files
InstructionsGerman/English
MSDSP1004_german.zip (German)
P1004_french.zip (French)
P1004_english.zip (English)
P1004_spanish.zip (Spanish)
P1004_italian.zip (Italian)
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