Red wine is also wine. There are labels on wine bottles, and there is a list of ingredients on the labels. Wine is a kind of fruit wine brewed from grapes. There are many varieties of wine, and the product styles are different due to the different grape cultivation and wine production process conditions.
According to China's latest wine standard GB 15037-2006, wine is an alcoholic beverage with an alcohol content of not less than 7.0% with fresh grapes or grape juice as raw materials.
Red wine ingredient list:
Water, that is, grape juice, is mainly absorbed by the roots in the soil during the growth of grape trees, thus forming the liquid part of grapes.
Alcohol, that is, ethanol, is the main product of yeast fermentation using sugar in grape berries.
It's sugar and glycerol, sugar is the residue of unfinished fermentation, and glycerol is actually the residue of fermentation.
It's acid. It's very small, but it's very important.
Tannin and pigment, tannin is the astringent part of our taste, mainly from grape core, and pigment comes from the color of grape skin. The contents of these two substances are also very small.
Other substances, which refer to esters, esters, fatty acids, aromatic substances, minerals, trace elements, carbon dioxide, sulfur dioxide, vitamins, various amino acids, etc., look at a lot of samples, but in fact the content is very small.