{"id":608,"date":"2019-06-13T22:49:34","date_gmt":"2019-06-13T22:49:34","guid":{"rendered":"https:\/\/opentextbc.ca\/ingredients\/chapter\/from-the-cocoa-bean-to-the-finished-chocolate\/"},"modified":"2019-06-13T22:50:14","modified_gmt":"2019-06-13T22:50:14","slug":"from-the-cocoa-bean-to-the-finished-chocolate","status":"publish","type":"chapter","link":"https:\/\/opentextbc.ca\/ingredients\/chapter\/from-the-cocoa-bean-to-the-finished-chocolate\/","title":{"raw":"From the Cocoa Bean to the Finished Chocolate","rendered":"From the Cocoa Bean to the Finished Chocolate"},"content":{"raw":"\nIn North America, chocolate manufacturing started in Massachusetts in 1765. Today, in the factory, the beans get cleaned, and magnets take out metallic parts, and then sand, dust, and other impurities are removed. Some starch will be changed into dextrins in the roasting process to improve flavour. Machines break the beans and grind them fine until a flowing liquid is produced, called chocolate liquor. Through hydraulic pressure, cocoa butter is reduced from 55% to approximately 10% to 24% or less, and the residue forms a solid mass called <em>press cake. <\/em>\n\nThe press cake is then broken, pulverized, cooled, and sifted to produce commercial cocoa powder. The baking industry uses primarily cocoa powders with a low fat content.\n\nAt the factory, chocolate is also subject to an additional refining step called <strong>[pb_glossary id=\"689\"]conching[\/pb_glossary]. <\/strong>Conching has a smoothing effect. The temperature range in this process is between 55\u00b0C and 65\u00b0C (131\u00b0F and 149\u00b0F). Sugar interacts with protein to form amino sugars, and the paste loses <strong>[pb_glossary id=\"707\"]acids[\/pb_glossary]<\/strong> and moisture and becomes smoother.\n\nWatch this <a href=\"http:\/\/science360.gov\/obj\/video\/27d931d9-c33c-45c6-adac-aa0a42f04ad6\/chemistry-chocolate\">video on the chemistry of chocolate<\/a> to learn about the chemical reactions related to heat, melting point, and formation of crystal structures in chocolate.\n","rendered":"<p>In North America, chocolate manufacturing started in Massachusetts in 1765. Today, in the factory, the beans get cleaned, and magnets take out metallic parts, and then sand, dust, and other impurities are removed. Some starch will be changed into dextrins in the roasting process to improve flavour. Machines break the beans and grind them fine until a flowing liquid is produced, called chocolate liquor. Through hydraulic pressure, cocoa butter is reduced from 55% to approximately 10% to 24% or less, and the residue forms a solid mass called <em>press cake. <\/em><\/p>\n<p>The press cake is then broken, pulverized, cooled, and sifted to produce commercial cocoa powder. The baking industry uses primarily cocoa powders with a low fat content.<\/p>\n<p>At the factory, chocolate is also subject to an additional refining step called <strong><a class=\"glossary-term\" aria-haspopup=\"dialog\" aria-describedby=\"definition\" href=\"#term_608_689\">conching<\/a>. <\/strong>Conching has a smoothing effect. The temperature range in this process is between 55\u00b0C and 65\u00b0C (131\u00b0F and 149\u00b0F). Sugar interacts with protein to form amino sugars, and the paste loses <strong><a class=\"glossary-term\" aria-haspopup=\"dialog\" aria-describedby=\"definition\" href=\"#term_608_707\">acids<\/a><\/strong> and moisture and becomes smoother.<\/p>\n<p>Watch this <a href=\"http:\/\/science360.gov\/obj\/video\/27d931d9-c33c-45c6-adac-aa0a42f04ad6\/chemistry-chocolate\">video on the chemistry of chocolate<\/a> to learn about the chemical reactions related to heat, melting point, and formation of crystal structures in chocolate.<\/p>\n<div class=\"glossary\"><span class=\"screen-reader-text\" id=\"definition\">definition<\/span><template id=\"term_608_689\"><div class=\"glossary__definition\" role=\"dialog\" data-id=\"term_608_689\"><div tabindex=\"-1\"><p>A process that refines pressed cacao into chocolate by rolling and heating to evenly distribute the cocoa butter.<\/p>\n<\/div><button><span aria-hidden=\"true\">&times;<\/span><span class=\"screen-reader-text\">Close definition<\/span><\/button><\/div><\/template><template id=\"term_608_707\"><div class=\"glossary__definition\" role=\"dialog\" data-id=\"term_608_707\"><div tabindex=\"-1\"><p>Substances with a pH less than 6; the lower the pH the more acidic.<\/p>\n<\/div><button><span aria-hidden=\"true\">&times;<\/span><span class=\"screen-reader-text\">Close definition<\/span><\/button><\/div><\/template><\/div>","protected":false},"author":123,"menu_order":1,"template":"","meta":{"pb_show_title":"on","pb_short_title":"","pb_subtitle":"","pb_authors":[],"pb_section_license":""},"chapter-type":[],"contributor":[],"license":[],"class_list":["post-608","chapter","type-chapter","status-publish","hentry"],"part":605,"_links":{"self":[{"href":"https:\/\/opentextbc.ca\/ingredients\/wp-json\/pressbooks\/v2\/chapters\/608","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/opentextbc.ca\/ingredients\/wp-json\/pressbooks\/v2\/chapters"}],"about":[{"href":"https:\/\/opentextbc.ca\/ingredients\/wp-json\/wp\/v2\/types\/chapter"}],"author":[{"embeddable":true,"href":"https:\/\/opentextbc.ca\/ingredients\/wp-json\/wp\/v2\/users\/123"}],"version-history":[{"count":1,"href":"https:\/\/opentextbc.ca\/ingredients\/wp-json\/pressbooks\/v2\/chapters\/608\/revisions"}],"predecessor-version":[{"id":738,"href":"https:\/\/opentextbc.ca\/ingredients\/wp-json\/pressbooks\/v2\/chapters\/608\/revisions\/738"}],"part":[{"href":"https:\/\/opentextbc.ca\/ingredients\/wp-json\/pressbooks\/v2\/parts\/605"}],"metadata":[{"href":"https:\/\/opentextbc.ca\/ingredients\/wp-json\/pressbooks\/v2\/chapters\/608\/metadata\/"}],"wp:attachment":[{"href":"https:\/\/opentextbc.ca\/ingredients\/wp-json\/wp\/v2\/media?parent=608"}],"wp:term":[{"taxonomy":"chapter-type","embeddable":true,"href":"https:\/\/opentextbc.ca\/ingredients\/wp-json\/pressbooks\/v2\/chapter-type?post=608"},{"taxonomy":"contributor","embeddable":true,"href":"https:\/\/opentextbc.ca\/ingredients\/wp-json\/wp\/v2\/contributor?post=608"},{"taxonomy":"license","embeddable":true,"href":"https:\/\/opentextbc.ca\/ingredients\/wp-json\/wp\/v2\/license?post=608"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}