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Dark chocolate

Dark chocolate

Dark chocolate is a semi-finished product obtained from cocoa mass, cocoa butter, sugar, and sometimes emulsifiers such as lecithin, without the addition of milk solids. It is characterized by a high cocoa solids content, typically ranging from 50% to over 90%, giving it an intense cocoa flavor, firm snap, and rich aroma. Dark chocolate is known for its bittersweet taste, glossy surface, and smooth melting texture. It serves as a key intermediate ingredient in the confectionery, bakery, and dairy industries. Related expressions include bittersweet chocolate, plain chocolate, black chocolate, extra dark, couverture dark, and unsweetened chocolate.

Food products and recipes where dark chocolate is used include chocolate bars, pralines, bonbons, truffles, coated nuts and fruits, chocolate cakes, brownies, mousses, ganache fillings, ice creams, tarts, biscuits, sauces, spreads, and decorations for pastries and desserts.

Technology of dark chocolate production: The process begins with mixing cocoa mass, cocoa butter, sugar, and optional emulsifiers in specific proportions. Refining is performed to reduce particle size of solids to 15–25 microns for smooth texture. Conching follows, usually lasting from 6 to 72 hours, at controlled temperatures between 45–80 °C, to develop flavor, remove volatile acids, and achieve viscosity control. After conching, additional cocoa butter and lecithin can be added to adjust fluidity. The chocolate mass is then tempered by carefully cooling and reheating to induce stable β-V cocoa butter crystal formation, ensuring gloss, snap, and bloom resistance. Finally, the tempered dark chocolate is molded, cooled, demolded, and packed under controlled conditions.

Practical recommendations for using and storing dark chocolate: It should be tempered before molding or coating to achieve gloss and stability. When melting, it must be handled at controlled temperatures between 45–50 °C for melting and 27–32 °C for tempering, depending on cocoa butter crystallization. Dark chocolate should be stored in a cool, dry place at 15–18 °C with relative humidity below 50%, away from strong odors, as it easily absorbs external aromas. Packaging must be airtight to prevent moisture ingress and sugar bloom. For long storage, dark chocolate should not be refrigerated unless necessary, as condensation may cause surface defects.

Average energy and nutrition value of dark chocolate: On average, dark chocolate provides about 540–580 kcal per 100 g. Nutritional composition per 100 g includes 5–8 g protein, 32–36 g fat (mainly cocoa butter, high in stearic and oleic acids), 50–55 g carbohydrates, and 7–10 g dietary fiber. It is also a good source of iron, magnesium, copper, and polyphenolic antioxidants such as flavonoids.

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