Rapid Labs lectin blood grouping reagents are prepared from the following:
Anti-A1 Lectins – extract of Dolichos biflorus seeds
Anti-H Lectins – extract of Ulex europaeus seeds
Anti-N Lectins – extract of Vicia graminae seeds
All lectin extracts are diluted with a sodium chloride solution containing serological albumin. The reagent is supplied at optimal dilution for use with all recommended techniques stated below without the need for further dilution or addition.