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Cocoa Bean Fermentation
Fermentation is an important step in processing Cocoa bean, cocoa beans to make chocolate. In fermentation, beans that have been removed from their pods are put together in close proximity. Yeasts, lactic acid bacteria and acetic acid bacteria break down pulp surrounding the beans and develop flavor precursors within the bean that create chocolate flavors during roasting. The process also reduces bitterness and gives beans a more brown hue. Fermentation is divided between on-farm and centralized processing, with the former more common in West Africa and the latter more common in the Americas and parts of the Asia Pacific. In on-farm processing, which is how most fermentation has historically been undertaken, farmers wrap beans in leaves for around five days or move them between wooden boxes daily. In some countries such as Indonesia, cocoa beans undergo minimal fermentation and are sold as bulk filler. Process Background ''Theobroma cacao'' is a small tree with grows within 20 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Cocoa Farmer David Kebu Jnr Holding Fermenting Cocoa Beans
Cocoa may refer to: Chocolate * Chocolate * ''Theobroma cacao'', the cocoa tree * Cocoa bean, seed of ''Theobroma cacao'' * Chocolate liquor, or cocoa liquor, pure, liquid chocolate extracted from the cocoa bean, including both cocoa butter and cocoa solids * Cocoa butter, a pale yellow, edible fat extracted from the cocoa bean * Cocoa solids or cocoa powder * Hot chocolate, also called hot cocoa or simply cocoa * Cocoa Mountain, a gourmet chocolate enterprise in Durness in the North West Highlands of Scotland * Cocoa Processing Company, a Ghanaian company Computing * Cocoa (API), an API and programming environment for macOS * Cocoa Touch, an API and programming environment for iOS, iPadOS, watchOS and tvOS * CoCoA, a computer algebra system * COCOA (digital humanities), an early FORTRAN program for generating concordances and word counts from natural language texts * Stagecast Creator, formerly Cocoa, a language developed by Apple to teach programming to children People * Coco ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Alcohol (chemistry)
In chemistry, an alcohol (), is a type of organic compound that carries at least one hydroxyl () functional group bound to a Saturated and unsaturated compounds, saturated carbon atom. Alcohols range from the simple, like methanol and ethanol, to complex, like sugar alcohols and cholesterol. The presence of an OH group strongly modifies the properties of Hydrocarbon, hydrocarbons, conferring Hydrophile, hydrophilic (water-loving) properties. The OH group provides a site at which many reactions can occur. History The flammable nature of the exhalations of wine was already known to ancient natural philosophers such as Aristotle (384–322 BCE), Theophrastus (–287 BCE), and Pliny the Elder (23/24–79 CE). However, this did not immediately lead to the isolation of alcohol, even despite the development of more advanced distillation techniques in second- and third-century Roman Egypt. An important recognition, first found in one of the writings attributed to Jabir ibn Hayyan, J� ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Bioko
Bioko (; ; ; historically known as Fernando Pó, ) is an island of Equatorial Guinea. It is located south of the coast of Cameroon, and northwest of the northernmost part of mainland Equatorial Guinea. Malabo, on the north coast of the island, is the capital city of Equatorial Guinea. Bioko's population was 335,048 at the 2015 census and it covers an area of . The island is part of the Cameroon line of volcanoes and is located off the Cameroon coast, in the Bight of Biafra portion of the Gulf of Guinea. Its geology is volcanic; its highest peak is Pico Basile at . Etymology Bioko's native name is ''Ëtulá a Ëri'' in the Bube language. For nearly 500 years, the island was known as ''Fernando Pó'' (; ), named for Portuguese navigator Fernão do Pó. Between 1973 and 1979 the island was named ''Macías Nguema Biyogo'' after the then-president of Equatorial Guinea. The current name, Bioko, dates from 1979 and is in honour of politician Cristino Seriche Bioko. Geogra ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Congo Free State
The Congo Free State, also known as the Independent State of the Congo (), was a large Sovereign state, state and absolute monarchy in Central Africa from 1885 to 1908. It was privately owned by Leopold II of Belgium, King Leopold II, the constitutional monarch of the Kingdom of Belgium. In legal terms, the two separate countries were in a personal union. The Congo Free State was not a part of, nor did it belong to, Belgium. Leopold was able to Colonization of the Congo Basin, seize the region by convincing other European states at the Berlin Conference on Africa that he was involved in humanitarian and philanthropic work and would not tax trade. Via the International Association of the Congo, he was able to lay claim to most of the Congo Basin. On 29 May 1885, after the closure of the Berlin Conference, the king announced that he planned to name his possessions "the Congo Free State", an appellation which was not yet used at the Berlin Conference and which officially replaced "I ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Types Of Cocoa Beans
There are different categories of cocoa beans. The traditional varieties of Forastero, Criollo and Trinitario, while still used in marketing materials, are no longer considered to have a botanical basis. The categories bulk and flavor cocoa are used to distinguish quality of beans. As of 2017, 95% of cocoa produced was bulk cocoa. Traditional varieties Cocoa beans are traditionally classified into three main varieties: Forastero, Criollo and Trinitario. Use of these terms has changed across different contexts and times, and recent genetic research has found that the categories of Forastero and Triniario are better understood as geohistorical inventions rather than as having a botanical basis. They are still used frequently in marketing material. Criollo Criollo has traditionally been the most prized variety. Criollo trees are presumed to be native to South America. Over time, they became grown in Mesoamerica, where they were encountered by the Spanish conquistadors. The wor ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
William Gervase Clarence-Smith
William Gervase Clarence-Smith is Professor of the Economic History of Asia and Africa at SOAS, University of London. He received an M.A. from Cambridge, a DipPol from the University of Paris and a Ph.D. from London University. Clarence-Smith is the editor of '' Journal of Global History'' published by the Cambridge University Press. He is an associate of the Indian Ocean World Centre. He is a member of the London Middle East Institute, the Centre of Iranian Studies, the Centre for Palestine Studies and the Centre for Gender Studies at the University of London. Clarence-Smith is known for his research into two fields. One area is the history of economic commodities, the other being the history of religion, slavery and gender norms particularly in Africa and Southeast Asia. He is a Fellow of the Royal Asiatic Society and the Royal Historical Society. Some of his publications include: *''The Economics of the Indian Ocean Slave Trade in the Nineteenth Century'', *''The Economics of ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Saint-Domingue
Saint-Domingue () was a French colonization of the Americas, French colony in the western portion of the Caribbean island of Hispaniola, in the area of modern-day Haiti, from 1659 to 1803. The name derives from the Spanish main city on the island, Santo Domingo, which came to refer specifically to the Spanish-held Captaincy General of Santo Domingo, now the Dominican Republic. The borders between the two were fluid and changed over time until they were finally solidified in the Dominican War of Independence in 1844. The French had established themselves on the western portion of the islands of Hispaniola and Tortuga (Haiti), Tortuga thanks to the Devastations of Osorio. In the Treaty of Ryswick of 1697, Spain formally recognized French control of Tortuga Island and the western third of the island of Hispaniola. In 1791, slaves and some Saint-Domingue Creoles, Creoles took part in a Haitian Vodou, Vodou ceremony at Bois Caïman and planned the Haitian Revolution. The slave rebe ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Salmonella
''Salmonella'' is a genus of bacillus (shape), rod-shaped, (bacillus) Gram-negative bacteria of the family Enterobacteriaceae. The two known species of ''Salmonella'' are ''Salmonella enterica'' and ''Salmonella bongori''. ''S. enterica'' is the type species and is further divided into six subspecies that include over 2,650 serotypes. ''Salmonella'' was named after Daniel Elmer Salmon (1850–1914), an American veterinary surgeon. ''Salmonella'' species are non-Endospore, spore-forming, predominantly motility, motile enterobacteriaceae, enterobacteria with cell diameters between about 0.7 and 1.5 micrometre, μm, lengths from 2 to 5 μm, and peritrichous flagella (all around the cell body, allowing them to move). They are chemotrophs, obtaining their energy from Redox, oxidation and reduction reactions, using organic sources. They are also facultative aerobic organism, facultative anaerobes, capable of generating adenosine triphosphate with oxygen ("aerobically") ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Bacillus
''Bacillus'', from Latin "bacillus", meaning "little staff, wand", is a genus of Gram-positive, rod-shaped bacteria, a member of the phylum ''Bacillota'', with 266 named species. The term is also used to describe the shape (rod) of other so-shaped bacteria; and the plural ''Bacilli'' is the name of the class of bacteria to which this genus belongs. ''Bacillus'' species can be either obligate aerobes which are dependent on oxygen, or facultative anaerobes which can survive in the absence of oxygen. Cultured ''Bacillus'' species test positive for the enzyme catalase if oxygen has been used or is present. ''Bacillus'' can reduce themselves to oval endospores and can remain in this dormant state for years. The endospore of one species from Morocco is reported to have survived being heated to 420 °C. Endospore formation is usually triggered by a lack of nutrients: the bacterium divides within its cell wall, and one side then engulfs the other. They are not true spores (i.e. ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Thermophilic
A thermophile is a type of extremophile that thrives at relatively high temperatures, between . Many thermophiles are archaea, though some of them are bacteria and fungi. Thermophilic eubacteria are suggested to have been among the earliest bacteria. Thermophiles are found in geothermally heated regions of the Earth, such as hot springs like those in Yellowstone National Park and deep sea hydrothermal vents, as well as decaying plant matter, such as peat bogs and compost. They can survive at high temperatures, whereas other bacteria or archaea would be damaged and sometimes killed if exposed to the same temperatures. The enzymes in thermophiles function at high temperatures. Some of these enzymes are used in molecular biology, for example the ''Taq'' polymerase used in PCR. "Thermophile" is derived from the (''thermotita''), meaning heat, and (''philia''), love. Comparative surveys suggest that thermophile diversity is principally driven by pH, not temperature. Clas ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Polymer
A polymer () is a chemical substance, substance or material that consists of very large molecules, or macromolecules, that are constituted by many repeat unit, repeating subunits derived from one or more species of monomers. Due to their broad spectrum of properties, both synthetic and natural polymers play essential and ubiquitous roles in everyday life. Polymers range from familiar synthetic plastics such as polystyrene to natural biopolymers such as DNA and proteins that are fundamental to biological structure and function. Polymers, both natural and synthetic, are created via polymerization of many small molecules, known as monomers. Their consequently large molecular mass, relative to small molecule compound (chemistry), compounds, produces unique physical property, physical properties including toughness, high rubber elasticity, elasticity, viscoelasticity, and a tendency to form Amorphous solid, amorphous and crystallization of polymers, semicrystalline structures rath ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
