{"id":365,"date":"2018-08-22T01:10:53","date_gmt":"2018-08-22T01:10:53","guid":{"rendered":"https:\/\/www.coffee-popcorn-machine.com\/?p=365"},"modified":"2018-08-22T01:10:53","modified_gmt":"2018-08-22T01:10:53","slug":"the-coffee-hulling-process","status":"publish","type":"post","link":"https:\/\/www.coffee-popcorn-machine.com\/zh\/the-coffee-hulling-process.html","title":{"rendered":"\u5496\u5561\u8131\u58f3\u8fc7\u7a0b"},"content":{"rendered":"
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Coffee hulling is an optional step in coffee production. Coffee hulling occurs in the late stages of coffee processing; it is usually done between milling and polishing, although some people consider it to be a part of the milling process or skip the polishing and move directly onto cleaning and sorting.<\/p>\n<\/div>\n

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The goal of coffee hulling is to remove the\u00a0parchment skin (also called “pergamino”) from the coffee bean. The parchment is a naturally occurring, papery substance that surrounds the coffee bean, just\u00a0like the\u00a0endocarp (membrane-like layer) that surrounds many other types of fruit seeds (such as apple seeds).\u00a0Hulling away the parchment\u00a0is optional because some coffee beans are sold “in parchment” (or “en pergamino”).<\/p>\n<\/div>\n

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After coffee beans have been dried\u00a0(either in the sun and\/or in drying\u00a0machines), the parchment skin\u00a0is\u00a0crumbly and dry, so it can be\u00a0easily removed. In the case of wet process coffee, hulling removes the dried husk surrounding the coffee bean (including the\u00a0the exocarp, mesocarp and\u00a0endocarp\/parchment). For semi-dry processed coffee, hulling removes both the husk and the dried mucilage from the bean. For dry processed coffee\u00a0(see note below),\u00a0hulling removes a\u00a0leathery covering from the coffee beans, which includes the husk and the mucilage as well as other plant material. Regardless of how many layers are being removed during hulling, it is all taken care of in one step.<\/p>\n<\/div>\n

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The step works like this. A machine called a “huller” is used to remove the coffee parchment. Hullers\u00a0range from simple millstones to sophisticated machines that tap away at the coffee to remove the hulls. No matter how simple or complex they are, the basic operation is that they abrade the hull until it crumbles away.\u00a0Voil<\/em>\u00e0<\/em>!<\/em>Hulled coffee beans.<\/p>\n<\/div>\n

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Note: In the dry processing method,\u00a0dried cherries are stored in bulk in special silos until they are sent to the mill where hulling, sorting, grading and bagging take place. In other methods of processing, hulling may take place without a waiting period in between.<\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

Coffee hulling is an optional step in coffee production. Coffee hulling occurs in the late stages of coffee processing; it is usually done between milling and polishing, although some people consider it to be a part of the milling process or skip the polishing and move directly onto cleaning and sorting. The goal of coffee […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2],"tags":[],"class_list":["post-365","post","type-post","status-publish","format-standard","hentry","category-news"],"_links":{"self":[{"href":"https:\/\/www.coffee-popcorn-machine.com\/zh\/wp-json\/wp\/v2\/posts\/365","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.coffee-popcorn-machine.com\/zh\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.coffee-popcorn-machine.com\/zh\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.coffee-popcorn-machine.com\/zh\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.coffee-popcorn-machine.com\/zh\/wp-json\/wp\/v2\/comments?post=365"}],"version-history":[{"count":0,"href":"https:\/\/www.coffee-popcorn-machine.com\/zh\/wp-json\/wp\/v2\/posts\/365\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.coffee-popcorn-machine.com\/zh\/wp-json\/wp\/v2\/media?parent=365"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.coffee-popcorn-machine.com\/zh\/wp-json\/wp\/v2\/categories?post=365"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.coffee-popcorn-machine.com\/zh\/wp-json\/wp\/v2\/tags?post=365"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}