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The Production of Chocolate
Blending Cocoa liquor and molding Chocolate
After the mixing process, the blend is further refined to bring the particle size of the added milk and sugar down to the desired fineness. The Cocoa powder or 'mass' is blended back with the butter and liquor in varying quantities to make different types of chocolate or couverture. The basic blends with ingredients roughly in order of highest quantity first are as follows:
Milk Chocolate - sugar, milk or milk powder, cocoa powder, cocoa liquor, cocoa butter, Lethicin and Vanilla.
Surprisingly, sweet and creamy milk chocolate isn’t usually made with cold, frothy milk. It’s usually made with dry milk solids, which look like powdered milk. Milk chocolate has at least 10 percent cocoa liquor by weight, and at least 12 percent milk solids. It’s the most common kind of eating chocolate.
White Chocolate- sugar, milk or milk powder, cocoa liquor, cocoa butter, Lethicin and Vanilla.
White chocolate features cocoa butter—think milk chocolate minus the cocoa solids. In addition to the cocoa butter, sugar, milk solids, lecithin and vanilla, white chocolate may contain other flavorings. It has at least 20 percent cocoa butter, 14 percent milk solids, and no more than 55 percent sugar.
Plain Dark Chocolate - cocoa powder, cocoa liquor, cocoa butter, sugar, Lethicin and Vanilla.
Dark chocolate is simply chocolate liquor (the centers of cocoa beans ground to a liquid), extra cocoa butter, sugar, an emulsifier (often lecithin) and vanilla or other flavorings. Dark chocolates may contain milk fat to soften the texture, but they do not generally have a milky flavor.
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Introduction Chocolate is a key ingredient in many foods such as milk shakes, candy bars, cookies and cereals. It is ranked as one of the most favourite flavours in North America and Europe (Swift, 1998). Despite its popularity, most people do not know the unique origins of this popular treat. Chocolate is a product that requires complex procedures to produce. The process involves harvesting coca, refining coca to cocoa beans, and shipping the cocoa beans to the manufacturing factory for cleaning, coaching and grinding. These cocoa beans will then be imported or exported to other countries and be transformed into different type of chocolate products. Processing Cocoa Summary of the process of transforming cocoa beans into chocolate Step 1. The cocoa beans are cleaned to remove all extraneous material. Step 2. To bring out the chocolate flavour and colour, the beans are roasted. The temperature, time and degree of moisture involved in roasting depend on the type of beans used and the sort of chocolate or product required from the process. Step 3. A winnowing machine is used to remove the shells from the beans to leave just the cocoa nibs. Step 4. The cocoa nibs undergo alkalisation, usually with potassium carbonate, to develop the flavour and colour. Step 5. The nibs are then milled to create cocoa liquor (cocoa particles suspended in cocoa butter). The temperature and degree of milling varies according to the type of nib used and the product required. Step 6. Manufacturers generally use more than one type of bean in their products and therefore the different beans have to be blended together to the required formula. Step 7. The cocoa liquor is pressed to extract the cocoa butter, leaving a solid mass called cocoa presscake. The amount of butter extracted from the liquor is controlled by the manufacturer to produce presscake with different proportions of fat. Step 8. The processing now takes two different directions. The cocoa butter is used in the manufacture of chocolate. The cocoa presscake is broken into small pieces to form kibbled presscake, which is then pulverised to form cocoa powder. Step 9. Cocoa liquor is used to produce chocolate through the addition of cocoa butter. Other ingredients such as sugar, milk, emulsifying agents and cocoa butter equivalents are also added and mixed. The proportions of the different ingredients depend on the type of chocolate being made. Step 10. The mixture then undergoes a refining process by travelling through a series of rollers until a smooth paste is formed. Refining improves the texture of the chocolate.
