1. Principle
Gossypol ELISA kit is a competitive enzyme immunoassay for the quantitative analysis of gossypol in the cottonseed, cotton meal, extruded cotton, cotton isolate, cotton concentrated samples.
The coupling antigens are coated on the micro-well stripes. The gossypol in the sample and the coupling antigens coated on the micro-well stripes compete for the anti-gossypol antibodies. After the addition of the enzyme conjugate, the TMB substrate is added for coloration.
The optical density (OD) value of the sample has a negative correlation with the gossypol in it. The measurement is made photometrically at 450 nm. The absorption is inversely proportional to the gossypol concentration in the cotton sample.
 
2. Technical specification
Sensitivity: 0.50ppm       
Detect time: Approx.75 min
 
Cottonseed or cotton isolate:
Cottonseed and cotton meal...........1.5ppm
 
Cross-reaction rate:
Gossypol............................................. 100%  
 
Recovery rate:
Cotton.............................................. 85±15%    
 

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ECALBIO CO.,LTD

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Website: www.ecalbio.com