
Verjuice
Verjuice is the sharp juice pressed from unripe grapes, and sometimes from crab apples or other sour fruit. Medieval cooks used it where later kitchens reached for vinegar or lemon.
1086 articles on substrates, cultures and additives.
Brewing and wine additives8
Food acids5
Chemical leaveners2
Enzyme ingredients2
Sulphites2
Flavour additives1
Wrapping leaves and covers1
Verjuice is the sharp juice pressed from unripe grapes, and sometimes from crab apples or other sour fruit. Medieval cooks used it where later kitchens reached for vinegar or lemon.

Tartaric acid is a crystalline food acid associated with grapes and wine; it gives sourness and is distinct from its potassium salt, cream of tartar.

Cream of tartar is a grape-derived potassium tartrate salt used as a dry baking acid, foam aid and measured syrup ingredient.

Acid blend is a commercial mixture of food acids for winemaking. Supplier formulas differ, and pH, titratable acidity and tartness describe different effects of an addition.

Citric acid is a sour, crystalline food acid found in fruit and made industrially by fermentation. In quick mozzarella it directly acidifies milk before the rennet set.