Demi-John

(c) 2000
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N & O

NOSE
Another name for the bouquet of a wine.

NUTRIENTPot
A mixture of chemicals essential for the growth of yeast and must. These are namely ammonium sulphate, magnesium sulphate, potassium phosphate and vitamin B1 available in either powder or tablet form.  Nutrient should always be used when making country wines.

OAK CHIPPINGS
Ideal for red wines and comprises pieces of oak wood that are dispersed in the wine to give it a distinctive oak aroma, as if stored in oak casks.

OFF-FLAVOUR
A taste that destroys the true flavour of a wine, possibly due to a bacteria or poor fermenting.

OXIDATION
This is caused by air getting into the wine that can give a bitter flavour and with white wines, a brown tinge of colour. It will generally spoil wines except in the case of sherries, that appreciate a little aeration.