Results 41 to 50 of about 49,914 (221)

Molecular Genetic Diversity Study of Forest Coffee Tree (Coffea arabica L.) Populations in Ethiopia: Implications for Conservation and Breeding [PDF]

open access: yes, 2005
Coffee provides one of the most widely drunk beverages in the world, and is a very important source of foreign exchange income for many countries. Coffea arabica, which contributes over 70 percent of the world's coffee productions, is characterized by a ...
Aga, Esayas
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Small-scale Demucilager Machine for Arabica Coffee (Coffea arabica)

open access: yesJournal of Engineering Research and Reports, 2022
Natural fermentation is time- and water-consuming, laborious, and causes weight loss in the coffee beans. It is the conventional method to remove coffee mucilage in the Philippines that can take up to 48 hours. This study aimed to develop a small-scale demucilager machine and evaluate its demucilaging capacity, demucilaging efficiency, product recovery,
Jeffrey A. Lavarias   +1 more
openaire   +1 more source

Climate requirements for cultivated Liberica coffee (Coffea liberica) and consequences for its use and development as a crop species

open access: yesPLANTS, PEOPLE, PLANET, EarlyView.
The global coffee industry, supporting 25 million smallholder farmers, is vulnerable to climate change. Diversifying the coffee species portfolio beyond Arabica and robusta is a promising intervention. Liberica coffee could provide adaptive capacity, although its climate parameters for cultivation are poorly known.
Isobel M. J. Wild   +3 more
wiley   +1 more source

IN VITRO EVALUATION OF ANTITHROMBOTIC AND ANTICOAGULANT ACTIVITY OF HERBAL SOURCES

open access: yesПаёми Сино
Objective: In vitro evaluate the antiaggregation and anticoagulation properties of aqueous plant extracts, including Viburnum opulus flowers and fruits, Urtica dioica leaves, Coffea arabica leaves, and shepherd's purse (Capsella bursa-pastoris) herb ...
G.M. ABDULLINA   +6 more
doaj   +1 more source

Teor de zinco no café como variável da disponibilidade no solo e extrator Relationship between zinc content in coffee plants and soil availability according to the soil extractant

open access: yesRevista Brasileira de Ciência do Solo, 2007
No Brasil são cultivadas duas espécies de café: Coffea arabica L. e Coffea canephora Pierre. As pesquisas com adubação com Zn têm sido feitas, principalmente, com cultivares arábica.
José Laércio Favarin   +4 more
doaj   +1 more source

Evaluation of beverage quality and green bean physical characteristics of selected Arabica coffee genotypes in Kenya [PDF]

open access: yes, 2009
Physical characteristics of green coffee bean have been reported to affect beverage quality to some extent. The objective of this study was to assess the beverage quality and green bean physical characteristics of forty two arabica coffee genotypes and ...
Boulanger, Renaud   +4 more
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Control failure risk, resistance and enzymatic activity of neurotoxic insecticides in Brazilian populations of Leucoptera coffeella (Lepidoptera: Lyonetiidae)

open access: yesPest Management Science, EarlyView.
Bioassays of 36 Leucoptera coffeella populations revealed resistance to neurotoxic insecticides, control failures of ≤62.9% and enzyme activity variation, with particularly high GST and low AChE levels. Abstract Background Leucoptera coffeella is a key pest of coffee crops in Brazil, causing significant damage by mining coffee leaves.
Daianna P. Costa   +6 more
wiley   +1 more source

Antioxidant activity and estimation of melanoidin content in commercial roasted coffee
Atividade antioxidante e estimativa do teor de melanoidinas em cafés torrados comerciais

open access: yesSemina: Ciências Agrárias, 2011
Coffee contains several bioactive compounds, highlighting the antioxidants, whose consumption has been correlated with reduced incidence of chronic and degenerative diseases.
Marta de Toledo Benassi   +1 more
doaj   +1 more source

Design and Operation Parameters of Vibrating Harvester for Coffea arabica L.

open access: yesAgriculture, 2023
This study designed a handheld vibrating coffee harvester to improve the mechanized harvesting of Coffea arabica L. The proposed device was used to vibrate branches of Coffea arabica L. trees, and the shedding of coffee fruit and the operation parameters
Yingjie Yu   +6 more
doaj   +1 more source

Coffea arabica und C. canephora – Kaffeestrauch (Rubiaceae) [PDF]

open access: yes, 2013
Der Kaffeestrauch gehört zu der großen, weltweit verbreiteten Pflanzenfamilie der Rubiaceae (Rötegewächse) und hier zur Gattung Coffea. Die am häufigsten kultivierten Arten sind C.
Buch, Corinne, Höggemeier, Annette
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