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Topic: Processing of coffee

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	Coffee processing - Wikipedia, the free encyclopedia
		Processing of coffee is the method converting the raw fruit of the coffee plant (cherry) into the commodity green coffee.
		Coffee beans can be dried in the sun or by machine but in most cases it is dried in the sun to 12-13% moisture and brought down to 10% by machine.
		Decaffeination is the process of extracting caffeine from green coffee beans prior to roasting.
	en.wikipedia.org /wiki/Processing_of_coffee (1506 words)

	Coffee - Wikipedia, the free encyclopedia
		Coffee, along with tea and water, is one of the most frequently-drunk beverages, its volume amounting to about a third that of tap water.
		The stimulant effect of drinking coffee caused it to be forbidden among orthodox and conservative imams in Mecca in 1511 and in Cairo in 1532 by a theological court.
		Recently, coffee was found to reduce the chances of developing cirrhosis of the liver: the consumption of 1 cup a day was found to reduce the chances by 20%, and 4 cups a day reduced the chances by 80%.
	en.wikipedia.org /wiki/Coffee (3047 words)

	Delaware City Coffee Company - Processing Coffee
		Coffee beans must be removed from the fruit and dried before they can be roasted; this can be done in two ways, known as the dry and the wet methods.
		To reduce the moisture to an optimum 12.5% the parchment coffee is dried either in the sun, in a mechanical dryer, or by a combination of the two.
		The coffee is hulled, to remove the parchment, then passes through a number of cleaning, screening, sorting and grading operations which are common to both wet- and dry-processed coffee.
	www.delawarecitycoffeecompany.com /processing.html (1307 words)

	Equal Exchange - Processing
		When the coffee has been dried down to 12% moisture and a thin shell called parchment encapsulates each coffee bean, the producers pull the coffee off of the patios or trays, put it into coffee sacks, and divide it in their warehouses to prepare for export.
		Or, the coffee cherries may be left to partially dry on the tree, then picked and placed on patio to dry in the sun.
		This type of processing, called "dry processing," is thought to produce a heavy bodied cup of coffee and the appearance of the green coffee is greenish brown.
	www.equalexchange.com /coffee-processing (296 words)

	Coffee Processing
		Alternatively, after two or three days, coffee can be put in drying rooms, where it is dried by the heat of a burner at 45-60 degrees C. It can take up to four weeks for moisture content of each cherry will have fallen to the optimum 12 percent of their original amount.
		The length of the fermentation process is based on the condition of the beans and the climate's condition.
		The polishing process is used to remove the outer-filament and any of the parchment like husk that remains on the bean after hulling.
	www.highlandercoffee.com /html/processing.htm (917 words)

	Code of good practices for on-farm processing of coffee for total quality improvement
		Fermentation in coffee simply means the process concerned with the degradation/ removal of mucilage (a slippery layer, 1/2-2mm thick that surrounds the seed) by the combined action of naturally occurring enzymes in the coffee fruit and the growth of microorganisms.
		Coffee washer should be prepared in such a way to assure complete removal of mucilage, since residual mucilage in parchment (if not soaked) tend to undergo fermentation during drying process lowering the quality to one side and invite undesirable mould incidence on other hand.
		In wet processing, the float coffee is generally removed by floatation method, but in dry coffee preparation this process is not done and the unsorted lot is dried as such resulting in higher mould incidence during drying as well as in final dried beans.
	indiacoffee.org /newsletter/2006/april/quality-circle-1.html (4067 words)

	about coffee: growing and processing
		The best coffees, of the species Arabica, are grown high in the mountains in a zone 10 degrees north and 10 degrees south of the equator, and require very specific conditions to thrive.
		Once a coffee bean is planted, it takes five or six years to flower and produce its first good crop of coffee cherries.
		The pulp of the coffee cherries is removed to release the two coffee beans inside.
	www.heinebroscoffee.com /coffee2.htm (545 words)

	Chicago Coffee Roastery: Coffee Processing
		After harvesting coffee is then processed to remove the out layers of the cherry and prepare it for sorting, grading, and export.
		Coffee bean are passed over metal screens which are punched with holes.
		Defects in coffee can be broken beans, fl beans, pits of wigs or branches, or any foreign objects which make their way through processing and hulling.
	www.chicagocoffee.com /AboutUs/processing.html (647 words)

	Coffee
		The commercially important species of coffee both of which originated in tropical Africa are now grown in some 80 countries in the four continents of which 50 export their crop.
		In this process, the coffee berries are allowed to remain on the tree past the fully ripe stage.
		This is the process of exposing the green coffee beans to a warming process that is sufficently fast enough to drive off the free and bound moisture of the bean and the dried bean is heated to more than 400 degress farenheit(200 c).
	www.batianpeakcoffee.com /coffee_101.html (3332 words)

	Late for the Train: Processing Coffee
		Processing is required to separate the coffee bean (or seed) from the surrounding protective layers that make up the cherry.
		There are two methods used to process coffee: the wet (or washed) method and the dry (or natural) method.
		Some coffee growing countries use only one of these methods, while others use both, depending on whether water is available where the coffee is grown.
	www.lateforthetrain.com /java_u/processing.htm (210 words)

	Dry Processing the Coffee Bean
		The next step after harvesting is to remove the beans from the surrounding fruit pulp, which is done by either the washed (wet process), or the unwashed (dry process).
		The latter, dry processing, is the separation method, used where there is a shortage of water or equipment, or both.
		In spite of its description, dry processing begins with the washing of the newly harvested cherries, not only to clean the cherries but to implement another sorting procedure, as the floaters - defective beans due primarily to insect infestation or over-ripeness - are easily picked out at this stage.
	www.making-coffee.com /harvesting-processing/processing-cherry-dry.php (341 words)

	Coffee Processing
		Coffee is harvested by hand-picking ripe cherries from coffee plants.
		After being washed, the pulp from the cherries is removed in a pulping machine, and the coffee seeds (beans) continue on conveyor belts and fall into large fermenting tanks.
		By buying green beans, coffee companies are also free to roast the coffee according to their particular standards.
	www.heidiz.com /png/coffee.php (378 words)

	Yemen Coffee Processing Company -- Mocha (Site not responding. Last check: 2007-09-14)
		Coffee in the 17th and 18th century was exclusively shipped to Europe from the little port of Mocha.
		Coffee trade substantially declined in later centuries, after Dutch, French and Portuguese sailors took the seed of the bean and succeeded in transplanting Coffee Arabica to their far-flung colonies.
		The coffee trees growing in the West Indies were at that time the grandchildren of the trees in Yemen; the beans produced in both locals were intended primarily as guides to flavor, the labeling was, if literally inaccurate, effectively true.
	www.yemencoffee.net /mocha.htm (746 words)

	The Microbiology of Coffee Processing
		That is, the sweating of coffee in the drying fields and the overheating of green bean by mechanical drying and hulling.
		There is often enough oil on the surface of such coffee, to react with the fine dust in the grader and make a kind of varnish which will build up on the screens and slowly reduce the hole size, unless they are checked and scraped clean at regular intervals.
		A further good reason for processors of Y grade coffee to look again at the use of impact type machines as the first stage in their hulling operation, concerns the problem of earthy tastes, and discolouration of their green bean product.
	www.coffee.20m.com /MICROBL3.htm (2123 words)

	Z-BEST COFFEE
		Legend portrays coffee as a magical drink which enabled monks to stay awake nights to pray, and was also used as medicine in the ancient middle east.
		Widely popular in Islamic cultures, coffee, or kaffee - meaning healing - eventually became prized in Europe in the middle ages and began to be cultivated in Central and South American and Indonesia as early as the 1600s.
		In most coffee growing regions, this process exposes the beans to potential microbial infestation during the drying stage, which can result in problems with rancidity and contribute to a bitter tasting product..
	www.zbestcoffee.com /history.htm (573 words)

	Green Coffee Processing
		The second is to process the coif e in the most efficient and least expensive manner The rerultatit process almost always owes its outline to both concerns.
		While generalizations can certainly be made, processing methodology can change dramatically from one origion to another, not so much from a neighboring mill to another and from one farm to another in the same origin.
		The critical aspect of post harvest coffee processing is to understand that almost every processing operation has a unique set of challenges and opportunities front both a quality and cost control perspective, and that almost every situalion will yield a totally unique result.
	indiacoffee.org /newsletter/2006/oct/planters-world-1.html (3005 words)

	Coffee Review :: The World's Leading Coffee Buying Guide
		Coffee beans are not beans at all in a botanical sense.
		Nature has been lavish in its packaging of the coffee seed, and removing the three sets of skin and one layer of pulp from around the seed is a complex process.
		Between these two extremes -- carelessly picked coffees simply put out into the sun to dry and selectively picked, wet-processed coffees -- are coffees that have been dried in the old-fashioned way, with the fruit still clinging to the bean, but have been picked selectively and dried with care.
	www.coffeereview.com /reference.cfm?ID=7 (551 words)

	Method of processing roasted coffee - usptntsrv
		The container filling filling apparatus delivers the ground coffee directly into the purged containers after which the containers are sealed to maximize the retention of carbon dioxide and aromatics liberated from the roasted coffee and to minimize contact of the ground roasted coffee with the air.
		In the processing of coffee, typically the first step is to subject green coffee beans to a roasting process.
		Ground coffee that is allowed to come into contact with air for any extended length of time runs the risk of absorbing moisture from the atmosphere causing a reduction in the quality of the coffee.
	www.uspatentserver.com /686/6861086.html (700 words)

	Coffee Processing:
		Quality coffees must be picked by hand, a process that takes from three to four visits per tree each year.
		Producing high quality coffee with the dry method is challenging because the beans are exposed to climatic conditions during the drying process.
		In Sulawesi, the coffee cherries are washed and sorted as in the washed method, but are not placed in fermentation tanks.
	baldmountaincoffee.com /page/BMCC/CTGY/Coffee_Processing (369 words)

	Intelligentsia Coffee & Tea, Inc. - Processing
		In wet processed coffee, hulling refers to the removal the dried parchment layer immediately surrounding the bean.
		It is impossible to understate the importance of processing coffee.
		When you witness the entire process from beginning to end, it is a wonder that a cup of coffee sells for as little as it does.
	www.intelligentsiacoffee.com /origin/processing (682 words)

	Processing Coffee
		Irrespective of the harvesting method, green coffee beans and overripe coffee cherries inevitably end up mixed with the perfectly ripe cherries and must be separated.
		Hydrolysis of the protopectin and degradation of the pectin by enzymes is the process that occurs to remove the mucilage during fermentation (Wrigley, 455).
		Lactic, acetic, and propionic acids are produced in this process and are believed to prevent the traditional fermentation taste by inhibiting mold growth that regularly occurs during drying on a patio in humid conditions (Wrigley).
	www.coffeeresearch.org /agriculture/processing.htm (713 words)

	Cafédirect: Growers: Processing Coffee (Site not responding. Last check: 2007-09-14)
		The fruits of the coffee bush are known as 'cherries', because of the bright red colour the skin turns when ripe.
		This involves drying the coffee bean in the cherry and removing it afterwards.
		The dry process is commonly used in areas where access to fresh water is limited.
	www.cafedirect.co.uk /growers/coffee_proc.php (284 words)

	coffee processing and coffee marketing - cherry processing s- malawi (Site not responding. Last check: 2007-09-14)
		Throughout the process, fresh water fed by gravity is used, this helps in producing beans which are clean without off flavours.
		Coffee drying by sun on the drying table is completed when the bean becomes brittle.
		Depending on the result of the Quality checks, Parchment Coffee is hulled using our hulling plant which polishes and grades the beans by density and sorting of the diseased, fls and other bad beans is carried out manually by our experienced ladies who are employed seasonally.
	www.fastpulsetrading.co.za /coffee_process.html (474 words)

	NOSARA COFFEE - Processing
		Processing begins with an initial soaking to remove soil and debris.
		Depulping entails removing the coffee bean’s tough outer skin and pulp.
		The development of a coffee bean’s elegantly complex flavor and aroma begins with this critical step.
	www.nosaracoffee.com /processing3.html (141 words)

	Guatemalan Coffee
		Less visible than the loss of coffee crop land is the human suffering and struggle due to the loss of jobs on and income from coffee farms.
		On the other hand, criteria such as the recycling of waste from processing facilities and on-farm households, worker wage and housing criteria, coffee marketing channels and their transparency, and standards for protection of riparian and natural zones are all issues addressed by the Alliance that generally stand outside the scope of organic certification.
		For coffee to be sold as certified organic, the coffee processing plant must be certified organic as well.
	www.newfarm.org /international/guatemala/coffee.shtml (3783 words)

	Talking About TIER » Coffee Processing in Rwanda (Site not responding. Last check: 2007-09-14)
		During the picking process, farmers try to the extent possible to pick only red ripe cherries, but a number of under-ripe, or diseased cherries creep in for a variety of reasons.
		This information is currently not being recorded (each vat is labeled, but once the coffee is processed, the sheet on which the information is written is disposed).
		At this stage, the coffee is still traceable to source – at least in terms of the day that a certain batch came in, and the general few locations where the collections were made.
	tier.cs.berkeley.edu /blog/2006/07/02/coffee-processing-in-rwanda (1190 words)

	MICROBIOLOGY OF COFFEE PROCESSING
		It is sometimes confusing to the layman to think that coffee fermenting under water can have sufficient oxygen, but we only need to think of fish and how they live, and make sure that we wash our coffee and change the water at least once every day, to keep up that supply of dissolved oxygen.
		And, as will be detailed in the next article, the final weight of coffee will be 1-2% less for every day that the coffee is still in contact with water.The best way to achieve this is to both warm and recirculate ones pulping water while the factory is working.
		The third group of micro-organisms relevant to coffee processing are the moulds and fungi.
	www.coffee.20m.com /MICROBL2.htm (2444 words)

	Coffee Tour - Processing the Coffee Bean by Central Perc Coffee (Site not responding. Last check: 2007-09-14)
		Wet processing with large amounts of water is continued for several days until the remainder of the pulp is removed leaving the coffee bean.
		The beans are then dried in the sun or by machine down to a level of about 10% water content and then sorted, graded and packed into a container that is breathable, usually a fiber sack or bag.
		Coffee from the Harrar region of Ethiopia and some areas in Yemen and Brazil are dry processed.
	www.centralperccoffee.com /coffeetour2.htm (359 words)

	Home Processing Coffee - Wet Process Method
		But I did bring back some coffee cherry on a recent trip to Costa Rica, and after planting some, I had leftovers.
		This is coffee seeds after the skin is removed...
		Finally I had an acceptable roast, and ground the coffee to cup it.
	www.sweetmarias.com /homeprocessedcoffee.html (321 words)

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