Tyrophagus putrescentiae, also recognized as storage mite or mould mite, is part of the Acaridae family. Our Tyrophagus putrescentiae extract and whole culture are delivered in freeze-dried form and available from stock.
This mite exists in warmer settings, generally where the temperature rises above 30 degrees. Moreover as the temperature rises, its lifespan can prolong. Humidity above 85% represents another condition that is required by Tyrophagus putrescentiae. Providing the right surrounding, a generation of Tyrophagus putrescentiae can be created within 8 to 21 days.
This mite can pest number of foods, especially food high in fat and protein content. For instance, it prevails in wheat flour, soy flour, wheat germ, cheese, rye bread, white bread, mixtures of oats, barley and wheat, cultivated mushrooms, various seeds and fruits (including dried bananas), straw stacks in the field, decaying animal and vegetable matter, dried milk, and ham.
Up to now, more than 20 allergenic proteins have been identified. The most common one among them is Tyr p 2. However, Tyr p 13 and Tyr p alpha-tubulin are also present. Earlier studies point out that the major allergens of T. putrescentiae greatly co-react with D. pteronyssinus extracts, but that D. pteronyssinus allergens have only partial cross-reactivity with T. putrescentiae extracts
- Whole culture (vial of 1gr) A whole culture consist of all the material of the house dust mite cultivation. This means: mite bodies, eggs, larves, cultivation medium and the feaces. Whole culture contains all components which are also present within households. In real life, atopic patients respond to the whole culture of house dust mites.
- Extract of whole culture (vials of 10mg, 100mg or 1gr, total dry weight) Whole culture which is extracted. House dust mite extracts are applied in in-vitro diagnostics tests and as standards or active substance in the research of asthma and allergy.
Prices and ordering
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Certificate of analysis
Each product will be delivered with a certificate of analysis. The certificate of analysis provides information, e.g. allergenic pattern, protein content (BCA and Bradford method), endotoxin level, protein pattern and protease activity. On this page you can find an an example of this certificate. If you want to receive a certificate of analysis before ordering please let us know. We shall send you the certificates of multiple batches so you can compare the batches and choose the batch that meets your requirements.
We understand that if you are using source material which is fulfilling your wishes you would like to receive the same material again for future projects. To provide material from the same batch over a longer period of time we produce large batches. This way we have we a lot of material available from a specific batch. You can even place a reservation for future orders.
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