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20

WINE.

fonn the other qualities of the red and white

wines.

Wctter, sugar,

and a

ferment

are the essential

ingredients of the

nnist,

as a fermentable liquid.

If the juice contains a large portion of sugar,

and sufficient ferment to sustain the fermenta–

tion, the conversion of the saccharine matter

into alcohol will proceed until checked by the

production of a certain amount of the latter,

and a

.spirituous

or

generoiis

wine will be fonned.

If the ferment be deficient in quantity, ·while a

large portion of sugar is contained in the juice,

less alcohol will be formed, and a

sweet

wine

will be generated. vVhen both the sugar and

forment are in considerable amount, and in the

proper relative proportions for inutual decon1po–

sition, a

dry

\vine will be formed.

Grapes which contain a small amount of

sugar, will produce what are called

light

wines,

which, should acetous fermentation take place

to excess, beco1ne sour. In case the bottling of

the wine takes place before the fonncntation is