How to tell wine

To Tell the wine had a coup, it is added to the wine in hydrochloric acid and sodium hydroxide, hydrochloric acid quality of the wine color will become dark face, and then restore the original color after adding base color, poor quality of the wine by adding both material will not change color if the house is not hydrochloric acid and sodium hydroxide can be used instead of white vinegar and food base.

Distinction between wine and half juice wine, wine, juice inside is not added sugar or potassium sorbate, if written on a bottle of wine grapes that the whole juice, sugar, potassium sorbate, it is certainly wine

The second is to look at his appearance, should choose the color and transparent appearance, shiny, natural color, flavor balance and texture soft, pleasant wine.

 

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