Silica dioxide, a specialized adsorbent for beer production, is a functional material developed to address common challenges in brewing such as "cold cloudiness, excessive polyphenol-protein complexes, and rapid flavor degradation". Through precise pore size regulation (matching the molecular dimensions of polyphenols) combined with modified production processes, this product complies with international standards including GB 25576-2020, FDA, and EU regulations.

The product achieves over 99.5% purity with a three-dimensional mesoporous structure that precisely adsorbs polyphenols (e.g., catechins and chlorogenic acid) and protein complexes (primary cause of cold cloudiness) in beer. Special surface treatment prevents adsorption of malt aroma and hop fragrance components, ensuring flavor retention rate ≥97%. Heavy metal residues remain well below international limits, maintaining stable performance during low-temperature storage at 0-10℃°C.

Table parameters

Application description

Relying on the precision aperture design and flavor retention technology, the silica dioxide adsorbent specially used by Zhongqi Beer can achieve "anti-turbidity stability, prolong shelf life and improve flavor" in the brewing and filtration process of beer. The specific applications are as follows:

1.Prevent cold turbidity: Add 0.3%-0.6% before fermentation and filtration of light beer and craft beer. Through precise adsorption of polyphenol-protein complexes (which are prone to precipitate and form turbidity at low temperatures) with a pore size of 9-10nm, the cold turbidity value of beer can be reduced from 0.8EBC to below 0.2EBC, solving the problem of "cold turbidity" during storage of 0-4℃ beer and improving product appearance;

2.Extension of shelf life: adsorb the polyphenols in beer (polyphenols are easy to oxidize and lead to flavor deterioration), reduce the generation of oxidation products (such as aldehydes, ketones), so that the shelf life of beer is extended from 6 months to 12-18 months, and the flavor decay rate during storage is less than or equal to 5%;

3.Enhancing Foam and Flavor: Instead of adsorbing foam proteins (such as hop resins) in beer, it improves foam stability by removing impurities, resulting in a 10% increase in foam persistence (for example, extending the duration of light-colored beer foam from 3 minutes to 3 minutes and 20 seconds). It simultaneously preserves malt and hop aromas while ensuring the original flavor profile remains unchanged.

4.Application case: Provide ZLSIL-58G model product for a craft brewery to treat IPA craft beer, completely solve the cold turbidity problem, prolong the shelf life, and improve the foam persistence by 12%.

Factory advantages

Zhongqi Guangdong Silicon Materials Co., Ltd., a national high-tech enterprise and provincial-level specialized, refined, unique, and innovative enterprise, has been dedicated to the industry for over two decades. The company holds 17 patented technologies and operates a GMP-certified production base. Equipped with advanced testing instruments including atomic fluorescence spectrometers and laser particle analyzers, it has established a comprehensive quality control system comprising 26 inspection procedures spanning raw materials to finished products, and has obtained ISO22000 Food Safety Management System certification.

Packing for shipment

•Standard packing: 20/25kg valve bag.
•Waterproof design: the packaging is a composite film valve bag + an outer PE bag.
•Storage and transportation requirements: store in cool and dry environment, shelf life of 24 months; non-hazardous chemical, support global shipping/carrying.
•Labeling specification: each package shall be marked with legal information such as food additives, added limits and production license number, or the label head shall be posted according to customer requirements.

Frequently Asked Questions

Q: Does the product affect the taste of the beer?
A: No. The product will not change the acidity and alkalinity of beer, will not adsorb beneficial substances, and the amount added is low (0.3%-0.7%), no residue after filtration, and will not affect the taste of beer (such as freshness, richness).

Q: What are the advantages compared with silica gel adsorbent?
A: The pore size of traditional silica gel adsorbent is uneven, which is easy to adsorb foam protein and flavor substances; the pore size of this product is accurate (9-10nm), which only adsorbs polyphenol-protein complex without affecting foam and flavor.

Q: Can the processed beer pass the EU export certification?
A: Yes. The product has passed the EU EC No.1333/2008. The processed beer polyphenol content, cold turbidity value and heavy metal residue all meet the EU standards (such as polyphenol content ≤150mg/L), and can be directly exported to the European market.

Q: Is it difficult to filter after adding?
A: Not much. The particle size of the product is uniform, which can be easily removed by the existing filtration equipment (such as plate and frame filter, membrane filter) in the brewery. The filtration speed is basically the same as that without addition, and the production time will not be increased.

Qualifications and Honors

•FSSC22000
•ISO22000：2018
•ISO9001：2015
•SHC HALAL
•OU  KOSHER
•FDA attestation 
•FAMI-QS
•SEDEX
•Food additive production license
•Feed additive production license
•National high-tech enterprise
•Specialized, refined and new enterprises in Guangzhou
•17 patents from the State Intellectual Property Office