(EN) The invention relates to processes for producing semi-purified and purified allergen extracts and pharmaceutical compositions and vaccines for use in the diagnosis and treatment of allergy. In one aspect of the invention, a process for producing a depigmented allergen extract is provided, the process comprising: a) basifying a native allergen extract; and b) removing molecules having a molecular size of less than 3.5 kDa; and c) adjusting the pH to neutrality; thereby to produce a depigmented allergen extract.
(ZH) 本发明涉及生产用于诊断和治疗过敏症的半纯化和纯化过敏原提取物以及药物组合物和疫苗的方法。在本发明的一个方面,提供了一种生产脱色过敏原提取物的方法,所述方法包括:a)碱化天然过敏原提取物;并且b)去除分子大小小于3.5kDa的分子;并且c)调节pH至中性;从而产生脱色过敏原提取物。