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Methanethiol Flavour Standard
Methanethiol, also known as methyl mercaptan, is a sulfur-containing compound commonly associated with pungent, rotten, drain-like aromas. This flavour is naturally found in food and beverages such as coffee, beer, and dairy products. They can also indicate spoilage or fermentation issues.
FlavorActiV’s Methanethiol Flavour Standard is designed to help sensory panels, brewers, and food professionals identify and evaluate this compound during sensory training sessions. It is an essential tool for quality control and product development. Order your Methanethiol Flavour Standard today!
We ship globally – shipping costs may apply depending on your region
Minimum Order: £275
What is the Methanethio (Methyl Mercaptan) Flavour?
Methanethiol (methyl mercaptan) is a volatile sulphur compound with an intensely pungent aroma, often described as rotten cabbage, drains, or sewage-like. While naturally occurring in some foods and beverages, high concentrations may signal faults, contamination, or undesirable fermentation by-products.
What Causes the Methanethiol (Methyl Mercaptan) Flavour?
Methanethiol (Methyl Mercaptan) can develop through several pathways:
Using the Methanethiol Flavour Standard for Sensory Training
In sensory analysis, FlavorActiV’s Methanethiol Flavour Standard is a precise reference used to train taste panels and quality control teams to identify pungent, sulphur-based aromas in beverages and food products. Methanethiol notes can be either naturally occurring or indicative of faults; for example, they may appear as part of the flavour profile in roasted coffee or aged cheese, but are typically considered a defect in beer, wine, and drinking water.
How to Recognise the Methanethiol Flavour
Key Sensory Descriptors:
What are the Professional Applications of the Methanethiol Flavour Standard?
The Methanethiol Flavour Standard has multiple professional applications across the food and beverage industry. Sensory professionals, quality control teams, and product developers use it to:
By training teams to recognise methanethiol accurately, businesses can improve product consistency, prevent quality issues, and maintain consumer satisfaction.
Training Tip: For best results, use the flavour standard in controlled tasting sessions with a neutral base beverage (e.g., beer without defects, neutral spirit, or water for training purposes) to isolate the methanethiol aroma without interference.
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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