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Coffee beans

Application of the natural deep eutectic solvent choline chloride-sorbitol to extract chlorogenic acid and caffeine from green coffee beans (Coffea canephora)

Application of the natural deep eutectic solvent choline chloride-sorbitol to extract chlorogenic acid and caffeine from green coffee beans (Coffea canephora)

... Coffee is the most popular beverage in the world. It is also one of the main sources of income for many developing countries such as Indonesia (Garg, 2016; Mussatto et al., 2011). Coffea canephora (Mori et al., ...

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Development of new analytical methods for the determination of caffeine content in aqueous solution of green coffee beans

Development of new analytical methods for the determination of caffeine content in aqueous solution of green coffee beans

... fee beans was directly investigated using FT-IR-ATR and fluorescence ...green coffee beans was also directly investigated using NIR spectrophotome- try with reduced amount of organic solvent ...the ...

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Determination of Trigonelline and Chlorogenic Acid (CGA) Concentration in Intact Coffee Beans by NIR Spectroscopy

Determination of Trigonelline and Chlorogenic Acid (CGA) Concentration in Intact Coffee Beans by NIR Spectroscopy

... The second derivative data processing can increase the accuracy of NIRS in predicting CGA concentration. The combination of 2nd derivative and MSC doesn’t give a better model than the single data processing (2nd ...

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Evaluation of harvesting and postharvest processing method on raw quality attributes of green Arabica Coffee beans produced in Hararghe, eastern Ethiopia

Evaluation of harvesting and postharvest processing method on raw quality attributes of green Arabica Coffee beans produced in Hararghe, eastern Ethiopia

... heavy coffee beans were obtained from selective harvesting coffee treated under different postharvest processing ...Hararghe coffee that known by medium bean size that have acceptability in ...

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New fluorescence spectroscopic method for the simultaneous determination of alkaloids in aqueous extract of green coffee beans

New fluorescence spectroscopic method for the simultaneous determination of alkaloids in aqueous extract of green coffee beans

... in coffee such as ultraviolet visible spectroscopy [16, 17], Fourier transform near infrared spectroscopy [17, 18], high performance liquid chroma- tography [6, 9], electro analytical methods like voltam- metry ...

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Natural Deep Eutectic Solvent Extraction and Evaluation of Caffeine and Chlorogenic Acid from Green Coffee Beans of Coffea canephora

Natural Deep Eutectic Solvent Extraction and Evaluation of Caffeine and Chlorogenic Acid from Green Coffee Beans of Coffea canephora

... Robusta coffee, is a native plant from Indonesia that is attracting increasing attention due to its potential ...the coffee tree that are processed without roasting, the green coffee beans ...

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Correlation Between Altitude, Soil Chemical Properties, and Physical Quality of Arabica Coffee Beans in Highland Areas of Garut

Correlation Between Altitude, Soil Chemical Properties, and Physical Quality of Arabica Coffee Beans in Highland Areas of Garut

... and coffee flavor determines by a number of factors, one of which is the chemical properties in the ...Arabica coffee beans in highland areas of ...normal beans and the beans weight at ...

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Volatile profile of green coffee beans from Coffea arabica L. plants grown at different altitudes in Ethiopia

Volatile profile of green coffee beans from Coffea arabica L. plants grown at different altitudes in Ethiopia

... green coffee bean samples by GC-MS are given in Table ...green coffee beans reported in the literature by Saw et ...green coffee bean samples of the present ...roasted coffee ...

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Influence of Environmental and Microclimate Factors on the Coffee Beans Quality  (C  canephora): Correlation between  Chemical Analysis and Stable Free Radicals

Influence of Environmental and Microclimate Factors on the Coffee Beans Quality (C canephora): Correlation between Chemical Analysis and Stable Free Radicals

... quality beans [24] ...roasted coffee beans is associated with a higher incidence of defects and imperfections (Black type) [24] ...sun-grown coffee and may have had a positive influence on ...

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Designing An Automatic Microcontroller-based Drying Machine of Coffee Beans

Designing An Automatic Microcontroller-based Drying Machine of Coffee Beans

... of coffee beans can function properly in producing the water content during the drying ...of coffee beans and DS18B20 sensor to adjust the tub ...SNI-standardized coffee beans ...

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Effects of Aqueous and Ethanolic Extracts of Roasted and Ground Coffee Beans of Coffea canephora robusta on Glycemia and Release and Storage of Hepatic Glucose in Normoglycemic and Diabetic Rats

Effects of Aqueous and Ethanolic Extracts of Roasted and Ground Coffee Beans of Coffea canephora robusta on Glycemia and Release and Storage of Hepatic Glucose in Normoglycemic and Diabetic Rats

... ground beans of Coffea canephora robusta (batch 3), 10 mg/kg ...ground coffee beans of Coffea canephora robusta + 10 mg / kg of glibenclamide ...

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Mathematical models of geometric sizes of coffee beans as dependent random variables

Mathematical models of geometric sizes of coffee beans as dependent random variables

... selected coffee beans of the Arabica and Robusta variety were determined by measuring their length (l), width (b) and thickness ...of beans. Models of two-dimensional distributions of beans ...

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Crushing of roasted Arabica coffee beans

Crushing of roasted Arabica coffee beans

... ee beans is necessary in order to eva- lua te their ...ee beans have to be subjected to before ...roasted beans, these properties have been scarcely studied until ...

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APPLICATION OF FOURIER TRANSFORM MID-INFRARED SPECTROSCOPY FOR IDENTIFICATION OF ASPERGILLUS SPECIES ISOLATED FROM COFFEE BEANS

APPLICATION OF FOURIER TRANSFORM MID-INFRARED SPECTROSCOPY FOR IDENTIFICATION OF ASPERGILLUS SPECIES ISOLATED FROM COFFEE BEANS

... To confirm the quality of the model, we performed an external validation; in which, we used the FT-IR spectra of nine samples as input, and obtained their classificati[r] ...

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Strength of coffee beans under static and dynamic loading

Strength of coffee beans under static and dynamic loading

... In the given paper a new experimental method for the testing of impact behaviour of coff ee beans has been used. This procedure enables to evaluate the dynamic strength of these beans. Results obtained for ...

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Non destructive analysis of sucrose, caffeine and trigonelline on single green coffee beans by hyperspectral imaging

Non destructive analysis of sucrose, caffeine and trigonelline on single green coffee beans by hyperspectral imaging

... ee beans were scanned on both sides using an HSI system supplied by Gilden Photonics ...coffee beans were scanned within each hypercube to build ...scan, beans were manually rotated and scanned on the ...

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Determination Of Parameters Standardization Crude Drug And Extract Arabica Coffee Beans (Coffea Arabica L.)

Determination Of Parameters Standardization Crude Drug And Extract Arabica Coffee Beans (Coffea Arabica L.)

... of coffee tree, whole plant of the genus Coffeea, Rubiaceae family 2 ...is coffee that result ranks third after the rubber and ...flavor, coffee has its benefits as an antioxidant because it has ...

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Concentrations Of Selected Metals In Coffee (Coffea Arabica) Beans, Leaves And Supportive Soil Of Gedeo Zone, Ethiopia

Concentrations Of Selected Metals In Coffee (Coffea Arabica) Beans, Leaves And Supportive Soil Of Gedeo Zone, Ethiopia

... in coffee (Coffea arabica) beans, leaves and supportive soil of Gedeo zone, Ethiopia using Flame Atomic Absorption Spectrometer after microwave digestion of the ...In coffee beans, among the ...

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Towards Coffee Processing by-Products Valorization: Phenolic Compounds and Antioxidant Activity of Spent Coffee Grounds and Coffee Silverskin

Towards Coffee Processing by-Products Valorization: Phenolic Compounds and Antioxidant Activity of Spent Coffee Grounds and Coffee Silverskin

... as coffee beans and they are used to flavor several beverages and ...of coffee enclosing the antioxidant activity can be ascribed to its bioactive molecules, namely the phenolic ...the coffee ...

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Some engineering physical properties of beans of selected cultivars of coffee (coffea arabica l.) grown in South West, Ethiopia

Some engineering physical properties of beans of selected cultivars of coffee (coffea arabica l.) grown in South West, Ethiopia

... of coffee beans dried in direct sun light (open sun): The recorded average results of the above physical properties of the coffee beans are shown in Table ...for coffee cultivars 744 ...

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