Chocolate liquor is pure chocolate

Chocolate

Chocolate is a raw or processed food produced from the seed of the tropical Theobroma cacao tree. Cacao has been cultivated for at least three millennia in Mexico, Central and South America. Its earliest documented use is around 1100 BC...

 in its liquid form. Like the cocoa beans (nibs) from which it is produced, it contains both cocoa solids

Cocoa solids

Cocoa solids are the low-fat component of chocolate. When sold as an end product, it may also be called cocoa powder, cocoa, and cacao....

 and cocoa butter

Cocoa butter

Cocoa butter, also called theobroma oil, is a pale-yellow, pure edible vegetable fat extracted from the cocoa bean. It is used to make chocolate, biscuits, and baked goods, as well as some pharmaceuticals, ointments, and toiletries...

 in roughly equal proportion.

It is produced from cocoa

Cocoa

Cocoa bean is the dried and fully fermented fatty seed of Theobroma cacao, from which cocoa solids and cocoa butter are extracted...

 beans that have been fermented, dried, roasted, and separated from their skins. The beans are ground into cocoa mass (cocoa paste). The mass is melted to become the liquor, and the liquor is cooled and molded into blocks known as unsweetened baking chocolate (bitter chocolate).

Chocolate liquor contains roughly 53 percent cocoa butter (fat), about 17 percent carbohydrates, 11 percent protein

Protein

Proteins are biochemical compounds consisting of one or more polypeptides typically folded into a globular or fibrous form, facilitating a biological function. A polypeptide is a single linear polymer chain of amino acids bonded together by peptide bonds between the carboxyl and amino groups of...

, 6 percent tannins, and 1.5 percent theobromine

Theobromine

Theobromine , also known as xantheose, is a bitter alkaloid of the cacao plant, with the chemical formula C7H8N4O2. It is found in chocolate, as well as in a number of other foods, including the leaves of the tea plant, and the kola nut...

.