Intended use:

RIDASCREEN®FAST Lupine is a sandwich enzyme immunoassay for the quantitative analysis of lupine proteins in food (e.g. juices, wine, beer, sausages, noodles, chocolate, bakery products or ice cream).

General information:

The macroscopic granular sweet lupines contain 35 – 42 % proteins in the seeds. Lupines are generally used as a natural protein source as an alternative to soy and animal products in human food and animal feed. They are able to bind water in food and therefore can be used as a replacement of egg in bread and bakery products. This increases the freshness and stability of those products. Beside this, lupine flour is used instead of wheat, rye or barley flour in the case of dietetic food. In France it is allowed to mix up to 10 % lupine flour to other flours without further declaration. Due to the fact that lupines can cause severe allergic reactions they should be declared in food products. The allergen can be present as an ingredient or as a contamination in raw and cooked products. According to the regulation (EU) No. 1169/2011 lupine must be declared on food labels.

Benefits:

  • The test detects all proteins of the European sweet lupine genera used in food, including the heat-stable conglutin γ-gamma.
  • Widespread testing for cross reactivity (89 matrices have been evaluated).

Specifications
Art. No. R6102
Test format Microtiter plate with 48 wells (6 strips with 8 removable wells each)
Sample preparation Homogenization, extraction and centrifugation
Incubation time 30 min
Room temperature
LOD (Detection limit) 0.32 mg / kg (ppm) lupine protein (mean)
0.12 – 0.65 mg / kg (ppm) lupine protein*
*depending on matrix
LOQ (Limit of quantification)

1 mg / kg (ppm) lupine protein

Cross reactivity

A slight cross reactivity exists to chickpea, soy flour, roasted hazelnut, curcuma, curry and fenugreek.

Validated matrices

Juices, wine, beer, sausages, noodles, chocolate, bakery products or ice cream.

Detected analyte
  • Sweet lupine proteins, including the γ-conglutin.
  • All European species of sweet lupines (Lupinus albus, luteus and angustifolius).
Evaluation Microtiter plate spectrophotometer (450 nm)
E-mail linksales@r-biopharm.de
Files
InstructionsGerman/English
Italian
SDSR6102_german.zip (German)
R6102_english.zip (English)
R6102_french.zip (French)
R6102_italian.zip (Italian)
R6102_spanish.zip (Spanish)
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