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Flavouring vials

Flavouring vials - wine faults

A learning tool for identifying 10 wine faults. Use this kit to make additions of flavour compounds to your own base wine.

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Master wine fault identification through hands-on practice, not just textbooks. Use this kit to experience common wine faults for yourself or to teach others, making it easier to recognise them in wine.

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A vial can be used in two ways:

By the Glass: use the built-in pipette to add the compound to a 50 ml wine sample. A single vial provides enough for up to 15 additions.
By the Bottle: add the entire content of the vial to a 750 ml wine bottle.

After addition of the compound, smell and taste the wine sample. Try comparing it with a second wine sample without the addition. Experiencing the difference side-by-side helps you, or the people you are training, to better understand the fault and identify it in wine.

About the vials:

TCA

Wet cardboard, damp cellar

Cork taint

acetaldehyde

Bruised apple, paint

Oxidation

sotolon

Brown sugar, curry powder

Oxidation

methyl mercaptan

Cabbage, camembert

Reduction

guaiacol

Smoke, olives

Smoke taint

4-EP

Band-aid, blue cheese

Brettanomyces

ATHP

Popcorn, sweat

Mousiness

acetic acid

Vinegar, pickles

Volatile acidity

ethyl acetate

Nail varnish remover, glue

Volatile acidity

3-isopropyl-2-methoxypyrazine

Potato skin, asparagus

Ladybird taint

Frequently asked questions

Where do you ship to?

We ship the flavouring vials worldwide.

Are the flavourings safe for tasting?

After addition to wine, the wine is then safe to taste. The contents of the vials are not intended for direct consumption.

How long do the flavouring vials keep?

When kept refrigerated, they have a shelf life of 12 months, even if part of the flavouring liquid is already used up.

At what temperature should I keep the vials?

They should be kept refrigerated.

What base wine should I pick?

White wine: A neutral white wine, such as Pinot Grigio, Ugni Blanc, Soave or unoaked Chardonnay.

Red wine: a neutral red wine, such as Languedoc Merlot, Côtes du Rhône, Bardolino or an entry-level Pinot Noir.

A white wine is used for the the wine faults set, as well as the set containing positive aromas. A red wine can be used for the wine faults set, but some aromas may appear weak (especially #8 acetic acid).

The base wines do not need to be refrigerated – they can be at room temperature.

Do I need equipment to make the flavour additions?

No equipment is needed. The vials contain a built-in pipette. The compounds are sufficiently diluted to eliminate the risk of contamination.

How far in advance of the tasting can I make the flavouring additions?

Typically you make the flavour additions on the same day as the tasting. If you add the flavours to a bottle, you could add the flavours one day in advance of the tasting.

After addition of the flavouring, how long does the wine keep?

Just like any opened wine bottle, the wine will only keep for a few days.

Most flavours will remain noticeable, with the exception of wine faults #4 methyl mercaptan (reduction), as this compound volatilises easily.

Is there any learning material that comes with this product?

You can find several learning content here.

Where do you source your flavours from?

The flavour compounds are sourced from commercial vendors, laboratories and research institutions. They are not sourced from commercial sniffing kits such as Le Nez du Vin.

Are the flavours you use natural?

Some of them are of natural origin, some of them are of synthetic origin. In practical terms, this is irrelevant. Their purity is so high that the natural version cannot be discriminated from its synthetic counterpart.

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