Specialty Chemicals Company extends product portfolio with new ion exchange resins for heparin production and sugar decolorization

New applications in the bioprocess and pharmaceutical industry IX process more efficient than precipitation processes

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Specialty chemicals company is extending its portfolio of products in the consumer care segment to include the new Lewatit PH 1074 HEP. In addition to the decolorization of fermentation broths and sugar, it is particularly suited to the purification and intermediate storage of heparin. As one of the leading manufacturers of ion exchangers, Company intends to use this innovative product to tap new customers in the pharmaceutical and bioprocessing industry and further strengthen its market position.

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Specialty chemicals company LANXESS is extending its portfolio of specialty products in the consumer care segment to include the new Lewatit PH 1074 HEP. In addition to the decolorization of fermentation broths and sugar, it is particularly suited to the purification and intermediate storage of heparin.
Photo: LANXESS AG

 

The macroporous, strongly basic anion exchange resin that meets food quality standards is based on a crosslinked polyacrylate. It has a special pore structure and resin matrix, which has been exclusively developed for the capture of high molecular compounds.

Lewatit PH 1074 HEP is suitable for the treatment and purification of products derived from biomass, as it supports the reliable capture and removal of organic substances with a high molecular weight. This means that liquid sugar syrups or complex process solutions such as fermentation broths, for example, can be purified and treated.

Ion exchange results in high heparin yield, activity, and purity

Sugar polymer heparin is used in medicine to prevent blood coagulation and venous thrombosis and is also applied as an anticoagulant, for example, during heart surgery and dialysis. Heparin is typically purified with ion exchange resins, as this produces a higher yield, activity, and purity of heparin and similar end products in comparison with precipitation processes for purification.

The methods used in the commercial production of pharmaceutical heparin are closely guarded operational secrets. All start with the collection of pig intestines from slaughterhouses, followed by the separation of the mucosal tissues. This is then broken down with enzymes in order to release heparin and polysaccharide derivatives.

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Lewatit PH 1074 HEP helps extract the heparin from this complex mixture and then purify it. The ion exchanger can also be used to stabilize the heparin for transport and storage, which prevents the sugar polymer from breaking down.

The macroporous structure and special polymer matrix of the new

Lewatit PH 1074 HEP help achieve optimum adsorption capacity and desorption properties. This is extremely advantageous in the recovery of high-molecular hydrophilic anionic organic substances, which, for example, are extracted from fermentation broths in the same way as heparin and other glycosaminoglycans (GAGs).

Following the successful isolation and pre-purification of the heparin by the Lewatit PH 1074 HEP, further purification steps are carried out in order to produce heparin that meets pharmaceutical quality standards. This includes the removal of residual peptides and nucleotides, viruses, and bacterial endotoxins, which can be achieved by means of bleaching, acid washing, and caustic treatment and oxidation for virus inactivation as well as alcohol precipitation.

Comprehensive service around the globe

The Liquid Purification Technologies business unit provides support during the validation process for the approval of Lewatit PH 1074 HEP in customer production processes with a comprehensive technical support package. The new ion exchanger is food-safe (EU Regulation No. 1935/2004), halal, kosher, non-GMO, and free from allergens, heavy metals, and TSE/BSE

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