The DMS (Dimethyl Sulphide) GMP Flavour Standard is a GMP-certified sensory training reference used by professional beer tasters, brewers, and quality control teams. It replicates the characteristic aroma and taste of DMS to help distinguish between desirable levels in certain beer styles and excessive concentrations that indicate off-flavour.
DMS (Dimethyl Sulphide) has an aroma of cooked or creamed corn, sweetcorn, and vegetables such as asparagus and cabbage.
Understanding the role of DMS in beer is critical to beer quality, making it essential for tasters to distinguish between appropriate and excessive levels.
Our DMS GMP Flavour Standard and training will equip professional tasters with the skills to identify and manage the unique DMS character in beer.
We ship globally – shipping costs may apply depending on your region
DMS (Dimethyl Sulphide) is a naturally occurring volatile compound found in beer and some other beverages. At low levels, it can contribute pleasant sweetcorn or vegetable notes in certain lagers and ales. At higher concentrations, it becomes an off-flavour, often described as sulphury, vegetal, or muddy.
WHAT CAUSES THE DMS FLAVOUR?
DMS can form through multiple pathways:
– During Brewing: Breakdown of malt-derived S-methylmethionine (SMM) due to heat during the wort boiling stage. – Fermentation: Some brewer’s yeast strains produce DMS as a by-product. – Contamination: Bacterial growth in water or raw materials. – Environmental Sources: Decomposition of algae during algal bloom events.
In beer, controlled boiling and fermentation processes are key to managing DMS levels. In non-alcoholic beverages, it can arise from organic matter breakdown or microbial contamination.
USES OF THE DMS GMP Flavour Standard IN SENSORY TRAINING
The DMS GMP Flavour Standard is a professional tool for:
– Calibration: Aligning sensory panels on DMS detection thresholds. – Detection Training: Helping tasters identify subtle differences between acceptable and excessive DMS levels. – Intensity Scaling: Teaching consistent scoring of DMS strength.
HOW TO RECOGNISE THE DMS FLAVOUR – SENSORY DESCRIPTORS
When training with the DMS standard, look for:
– Sweetcorn or creamed corn aroma – Tomato sauce notes – Cooked vegetable scents (asparagus, cabbage) – Sulphurous undertones – Mildly muddy or earthy odours at higher levels
WHAT ARE THE PROFESSIONAL APPLICATIONS OF THE DMS GMP Flavour Standard?
The DMS GMP Flavour Standard serves multiple professional applications:
– Sensory professionals and quality control teams use it to standardise flavour evaluation processes and maintain consistency across beer assessments. – Breweries and beverage producers rely on it to detect both desirable and excessive DMS levels, ensuring product quality and style authenticity. – Professional tasters, brewing schools, and training institutions incorporate it into sensory training programmes to develop precise detection and intensity scaling skills. – Researchers and product developers utilise the standard when investigating flavour formation, off-flavour origins, and the impact of brewing process changes.
With the DMS GMP Flavour Standard kit, users can train their palates to recognise and evaluate DMS notes at different concentrations, enabling early detection of quality issues and more consistent production outcomes.
OTHER INFORMATION
Beer Flavour Wheel Number: 0732
DMS (Dimethyl Sulphide) Flavour Level: 10–150 μg / l
Recommended GMP Flavour Standard / sensory reference standard of: American Society of Brewing.
FlavorActiV GMP Flavour Standards
Only Pharmaceutical Quality GMP Flavour Standards provide sufficient quality for professional sensory panels to train and validate with.
We produce encapsulated GMP (Pharmaceutical Good Manufacturing Practice) Flavour Standards that are safe to both smell and drink. The compounds within our capsules impart the aroma, taste and mouthfeel of a specific defect or positive flavour into a beverage for the purposes of taster training, calibration and quality control.
Our individual flavour GMP Flavour Standards are sold by flavour, each flavour pack contains 5 capsules, each separately blister packaged. Our sensory kits contain a mixture of flavours, each separately blister packaged, read the product description for flavour details.
We ship globally, and have over 20 years of experience at it. Our GMP Pharmaceutical Flavour Standards are produced to the highest standards, and as such, their shelf-life is strong and their quality consistent.
FlavorActiV’s flavour centre is the world’s only pharmaceutically run facility dedicated to the production of flavour reference standards. The Flavour Centre is a state-of-the-art facility housed within the campus of world-renowned Quay Pharma near Liverpool in the U.K.
The Flavour Centre was designed by FlavorActiV from the ground up at the direct request of global customers as they looked to move away from inferior food grade ‘certified flavour standards’ to GMP Pharma, a standard that ensures safe, stable, traceable, consistent and long shelf-life products.
All FlavorActiV’s industry-leading encapsulated flavour standards are manufactured following GMP at our Flavour Centre. All aspects of manufacture are overseen by Quay Pharma who are audited by the U.S. Food and Drug Administration (FDA) and the U.K. Medicines and Healthcare Products Regulatory agency (MHRA). We also welcome customer audits.
Only FlavorActiV GMP flavour standard capsules bear our mark of authenticity.
We brand each of our capsules so that our customers know they’re getting the Pharmaceutical GMP Quality that only FlavorActiV provide.
Industry leading packaging and shelf-life
FlavorActiV flavour standards are blister packaged, which extends shelf-life and protects capsules from potential contamination. The average shelf-life of FlavorActiV flavour standards is 18 months to 4 years, depending on the flavour compounds.
We will never ship in pots or plastic packaging, here’s why…
Blister packaging protects capsules from the environment until they are ready for use. Blister packaging greatly reduces the amount of headspace for possible flavour escape. As each capsule individually blister packaged, making use of one capsule still leaves all others protected. FlavorActiV Flavour Standard packaging is 100% recyclable, as opposed to polypropylene which is not widely recycled.
Pots are semi-porous, they allow molecules to pass through and flavour to be lost, their significant headspace also adds to substantial flavour escape as a gas, even when using just one capsule all those remaining in the pot are exposed.
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