BioteX (Biotin)

Affinity Column BioteX for Biotin / Vitamin B7 Analysis

The affinity column BioteX is available in the 3 mL polypropylene format and thus perfectly suitable for automated handling e.g. in the robotic system FREESTYLE SPE.

Shelf life of the columns is 9 months cooled at 4-8 °C.
The maximum loading capacity is 1000 ng biotin.

The columns facilitate a high sample throughput and parallel sample preparation in food analysis via UV-determination or in HPLC or LC/MS analysis.

Advantages at a Glance

  • Long shelf life up to 9 months, cooled at 4 to 8 °C
  • Fast processing time (< 2 hours, depending in sample volume)
  • Very good recoveries (biotin > 90 %)
  • Suitable for automated processing

Functionality of the Column

The material within the cartridge is covered with antigens directed against biotin. Upon application of a crude extract onto the column, the biotin and biotin-like molecules are retained, whereas the remaining matrix components pass through the column. After a washing step, the biotin can be eluted quantitatively from the column with methanol and subsequently measured with HPLC. The column bed consists of a soft-gel, which is covered by a storage buffer that contains a preservative.

Quality is important to us!

To guarantee a persistent quality all materials are intensely tested over the whole production process. LCTech meets the high demands of european and international legal requirements concerning mycotoxin analysis and controls every single production step. A detailed quality certificate is included in each pack.

Recovery Rates

Exemplary recovery rates of various matrices are shown in the following. The results correspond to the performance specifications of EC 401 / 2006 (Section 4.3.1):

Matrix Biotin
Vitamin Tablets 90
Nutritional Yeast Flakes + Biotin 102
Vitamin Powder 91
Dietary Supplement containing Biotin 94


In the following some exemplary chromatograms are shown, which were obtained using the BioteX affinity columns:

Vitamin tablets extracted

Nutritional yeast flakes with biotin