Brewtan® is a well-known natural processing aid for the brewing industry. Major applications are the use in the brewhouse for organoleptic stabilisation and process improvements, and the use at end filtration for colloidal stabilisation. Recent years, the use of Pentair beer membrane filtration systems (BMF) is gaining more and more ground in the market place, with an equal amount of new investments compared to conventional filter aid filtration.

Ajinomoto NaturalSpecialities is proud to announce that is has recently developed a Brewtan® grade compatible with this technology: Brewtan® MF

Brewtan® MF has no impact on the membrane and has the following benefits compared to classic stabilisers:

  • Short contact time, which means that Brewtan® MF does not require a holding time in the unfiltered beer tank
  • Low dosage rate required, resulting in a significant lower solid load on the BMF, which will support potential longer filter runs

Would you like to receive more information, please send us a message.

Your supplier of tannic Acid

Today Ajinomoto NaturalSpecialities is one of the leading suppliers of tannins worldwide, and has acquired significant expertise in the tannin chemistry and the industrial applications.

As a supplier concerned about the quality of our products, our main focus is the production of tannic acid or gallotannins, a specific subgroup of the large tannin family. Only 4 botanical raw materials contain sufficient amounts of tannic acid to be of commercial value: Chinese gallnuts, Aleppo gallnuts, sumac leaves and tara pods.

Depending upon the application, choosing the right product with an appropriate molecular weight distribution has a major influence on final performance.

Furthermore, as you can see from the molecular scheme of tannic acid and gallotannins, the unique tannic acid chemistry provides a number of unusual properties combined in one molecule:

  • Strong metal complexing
  • Complex formation with proteins
  • Strong anti-oxidant properties

Thanks to their many qualities, gallotannins/tannic acid can be used in a wide range of applications and markets. This is why we are the suppliers of choice for a multitude of professionals, including beer brewing, food industry, oenology, textile manufacturing, pharmaceuticals…

To learn more about the properties of tannic acids and their use, please visit our "Our Products" page.

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Grape seed extracts  – OmniVin product range

Benefits of grape seed extracts

Grapes have been praised since ancient times for their beneficial effect on human health. Today polyphenols present in grape seeds and red wine are implicated in the so-called French Paradox, a term referring to the observation that although dietary fat intake in France is similar to many other European countries (e.g. Germany), the incidence of cardiovascular disease is significantly lower. As a high quality manufacturer of grape seed extract, we have understood this phenomenon and the need to provide consumers with all its benefits.

Combining a careful selection of raw materials with a unique extraction technology, NaturalSpecialities has developed a range of grape seed extracts matching the specific requirements of the food, feed, wine and nutraceutical industry.

As a manufacturer specialising in the extraction of grape seeds, we’ve optimised our extraction methods in order to be able to produce a particularly suitable blend of low, medium and high molecular weight fractions that gives our different types of grape seed extracts a unique performance profile.

Our different OmniVin grades

Ajinomoto has done significant investments to develop 4 different OmniVin grades in order to become the most specialized manufacturer in this field and to be able to serve any customer’s tailored needs.

  • OmniVin 20R
    OmniVin 20R is a powerful anti-oxidant with a high content of mono- and dimeric proanthocyanidins (OPC’s). Due to this high OPC content OmniVin 20R is among the most active extracts currently on the market.
  • OmniVin WG
    Ajinomoto is the manufacturer of OmniVin WG. We recommend this solution for applications requiring higher levels of high molecular weight fractions.
  • OmniVin 10R
    OmniVin 10R is designed to closely mimic the polyphenol composition that is naturally occurring in the grape seed raw material. It contains monomers, dimers as well as higher oligomers.
  • OmniVin R
    OmniVin R is created from extracts and contains primarily high molecular weight grape seed polyphenols.

For more information, please  contact us.

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LATEST UPDATE: November 2018

Ajinomoto OmniChem uses cookies on this website.  
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Management Systems

NaturalSpecialities thrives on the manufacturing of safe and healthy products in food and feed applications.

Complying with the current national and international legislation, Ajinomoto NaturalSpecialities is licensed by the Belgian Federal Agency for the Safety of the Food Chain as a food and feed operator, with the key factors HACCP and full tracability being in place and in use.

The NaturalSpecialities Quality System is based on the corporate Ajinomoto System of Quality Assurance (ASQUA), as the activity of NaturalSpecialities matches perfectly with business of Ajinomoto.

To ensure the Reliable Supply of Safe and Effective Products & Services, mentioned in the Quality Policy, Ajinomoto NaturalSpecialities has a certification for the FSSC 22000 Food Safety Standard, issued by the international accredited Lloyd's Register.

Because sustainable development is the only way to secure the future of our company we take into consideration our possible impact on our health, safety and environment.

We realize this by application of the best available technology and an environmental care management system certified under the ISO14001 standard.

ISO 14001:2015

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As a leader in solvent extraction, Ajinomoto NaturalSpecialities has over 60 years of experience providing high quality products to their customer base throughout the world.

Our team are leading experts in extraction technology & downstream processing and our state-of-the art facilities provide the capacity and quality systems to meet our customer requirements.

We place a strong emphasis on customer satisfaction by delivering the best service with the best people. Our teams from lab to production are dedicated to deliver a full service to our partners.

Our project management team manages your project from RFP-stage through product shipping and all the milestones in between taking care of the needs and expectations of all stakeholders while focusing on the end goal: high quality products to meet our customers goals.

Overview of Services:

  • Continuous solvent extraction
  • Advanced down-stream processing and isolation technologies
  • Biocatalysis
  • Chromatography
  • Process Development and Optimization
  • Analytical Method Development

Additional Info

  • Page Title Technical Capabilities

NaturalSpecialities’ project management teams are focused on meeting the needs of our clients and their products. From project kick-off through final product shipment, and all the milestones in between, we work to balance the needs and expectations of stakeholders while focusing on the end goal: high quality products.

The project management teams are focused on product quality. As product champions, we are driven to meet client expectations. Our goal is to provide clear, honest, and timely communication to our clients. We work diligently to meet and exceed the expectations of stakeholders by applying practical and innovative project management tools. We aim to effectively manage change and anticipate unforeseen events.

We collaborate with all departments within NaturalSpecialities to balance the needs and expectations of all stakeholders to focus on consistently delivering quality products.

We develop lasting, trusted relationships with our clients by personalizing our approach and providing guidance and resources to produce high quality products, on time and within budget.

Additional Info

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Brewtan B  during mashing-in and at the end of boiling

The combined use of Brewtan® B during mashing-in and at the end of boiling will offer the brewmaster the best of both worlds!

  • The addition at the end of boiling will allow a good colloidal stability early in the process, which can lead to major process improvements downstream.

  • Brewtan® B added during mashing-in will have a positive impact on taste & flavour stability.

Tanal 02 at maturation

Tanal 02 is used as haze enhancer in speciality beers. It will interact with haze sensitive proteins in order to enhance yeast and colloidal suspension in beer.

OakTan range at maturation

Oak tannins are used to mimic barrel ageing. NaturalSpecialities can deliver different qualities based on French or American oak. The OakTan range will bring aromatic (woody) flavours to your beer.

For more information, send us a message via our contact form.

Additional Info

  • Page Title Solutions for Craft Breweries
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  • Blending ingredients
    OmniVin R - Tanal QW - Tanal CW

Would you like to receive mor information regarding our wine qualities? Please send us a message.

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