31 results about "Allergen extract" patented technology

The invention discloses a method for standardizing allergen extract with respect to the contents of major as well as minor allergens. The method comprises determining relative amounts of allergens in a given extract, followed by an adjustment of the contents of major an minor allergens so as to meet predefined limitations. Also disclosed is an anti-allergy kit comprising means for profiling an allergic subject and an extract or series of extracts prepared according to the invention.

The invention relates to a pharmaceutical product comprising an allergen extract or an allergoid thereof for the treatment and / or prevention of allergy and allergic asthma caused by house dust mites, which extract comprises at least one extract of mite bodies selected from the following groups a)-b): a) An extract of Der p mite bodies, and b) An extract of Der f mite bodies, and at least one extract of mite cultures selected from the following groups c)-g): c) An extract of Der p faecal particles, d) An extract of Der f faecal particles, e) An extract of Der f whole mite culture, f) An extract of an Der p whole mite culture, and g) a combination of extracts c) to f).

Pro-toothpaste compositions formulated to receive a volume of allergen solution to provide toothpastes that exhibit efficacy for oral mucosal immunotherapy (OMIT) and acceptable consumer and product stability properties, along with kits of pro-toothpaste, allergen / extracts of allergens, and optionally compounding means and / or specialized toothbrushes are provided. Toothpastes suitable and effective for OMIT and methods for managing allergic symptoms and for reducing risk of allergy in people without symptoms employing the pro-toothpastes, toothpastes and kits of the invention are also disclosed.

The present invention provides a periplaneta americana allergen preparation production method, which comprises: (1) inactivating periplaneta americana in a refrigerator, removing intestinal tracts, washing with 75% ethanol, carrying out air-drying, and placing in the refrigerator so as to be spare; (2) taking an appropriate amount of the frozen periplaneta americana, and grinding into powder in liquid nitrogen; (3) degreasing with acetone, placing into the refrigerator to freeze, and carrying out freeze-drying in a vacuum freeze dryer to obtain powder; (4) weighing the periplaneta americana powder, adding an extraction solution, carrying out centrifugation, and sucking the supernatant, wherein the supernatant is a periplaneta americana allergen extract; (5) adopting specific antibodies to identify the content and the proportion of the main allergen in the periplaneta americana allergen crude extract; and (6) according to the identification result in the step (5), adding recombinant protein expressed by yeast or insects. With the periplaneta americana allergen crude extract extracted by using the method, the main allergen protein of the periplaneta americana can be obtained to the maximal degree, the extract has good repeatability, and the error is less than 30%.