RIDASCREEN® Clenbuterol

Art. No.: R1711

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Product info

RIDASCREEN® Clenbuterol

Art. No.: R1711

Intended use

RIDASCREEN® Clenbuterol is a competitive enzyme immunoassay for the quantitative analysis of clenbuterol in milk, meat, liver, kidney, urine, plasma/serum, hair, eyeball and feed.

General Information

Clenbuterol belongs to the group of β-agonists. It has been known that β-agonists are suitable for use as performance improvers within the field of livestock production. In particular, the meat/fat ratio in fattened animals can be improved or the growth accelerated. However, such compounds have not been authorized as fattening adjuvants up to now. In addition to its lipolytic and anabolic effect, clenbuterol has a relaxing effect on non-striated musculature, on which its therapeutic employment as an antiasthmatic and a tocolytic agent is based. In comparison to therapeutic use clenbuterol is administered at 5 to 10 time’s higher dosages, when employed as a fattening adjuvant. Therefore, it is possible that clenbuterol residues, after use in illegal practice, may lead to a risk for consumers.


  • Direct use of milk, urine and plasma/ serum samples in the test without sample preparation.
  • Less pipetting through functionalized microtiter plate.
  • No cross reactivity to other relevant ß-agonists such as ractopamine or zilpaterol.



Dear customers,

we have started to provide the documents for our products in an electronic format. These are the Instructions for Use (IFU), the Safety Data Sheets (SDS) and the Certificate of Analysis (CoA). For batches placed on the market after 01 January 2024, you can find our documents on the eIFU portal eifu.r-biopharm.com/food.

Art. NoR1711
Test formatMicrotiter plate with 96 wells (12 strips with 8 wells each)
Sample preparationMilk: direct use, meat: homogenization, extraction, evaporation, liver: homogenization, extraction, treatment with RIDA® Sample Decolorant (Art. No. R1699), kidney: homogenization, extraction, urine, plasma/serum: direct use, hair: washing, boiling, eyeball: dissection, extraction, feed: grinding, extraction, treatment with RIDA®Sample Decolorant (Art. No. R1699).
Incubation time45 min
LOD (Detection Limit)Milk approx. 50 ng/l (ppt), meat approx. 100 ng/kg, liver approx. 150 ng/kg, kidney approx. 200 ng/kg, urine approx. 100 ng/l, plasma/serum approx. 250 ng/l, hair approx. 2 μg/kg (ppb), eyeball approx. 200 ng/kg, feed approx. 600 ng/kg
Validated matrices

Milk, meat, liver, kidney, urine, plasma/serum, hair, eyeball and feed.

Detected analyte

Clenbuterol in milk, meat, liver, kidney, urine, plasma/serum, hair, eyeball and feed.

EvaluationMicrotiter plate spectrophotometer (450 nm)