Results 11 to 20 of about 2,009,439 (236)

Effects of agro-forestry systems on the physical and chemical characteristics of green coffee beans [PDF]

open access: yesFrontiers in Nutrition, 2023
Twenty agroforestry systems consisting of different management practices (conventional and organic) and shade types were set up for coffee plantations in 2,000 at the Tropical Agricultural Research and Higher Education Center (CATIE), Turrialba, Costa ...
Su Xu   +8 more
doaj   +4 more sources

Effect of altitude of coffee plants on the composition of fatty acids of green coffee beans [PDF]

open access: yesBMC Chemistry, 2020
Background The fatty acids of green coffee beans are one of the major components that determine the quality of coffee. Fatty acids composition of green coffee beans is affected by soil composition and altitude of coffee plants.
Girmay Tsegay   +5 more
doaj   +5 more sources

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

open access: yesChemistry Central Journal, 2018
Background There is no fluorescence spectroscopic method for the determination of trigonelline and theobromine in green coffee beans. Therefore, the objective of this study was to develop a new fluorescence spectroscopic method to determine the alkaloids
Hagos Yisak   +2 more
doaj   +3 more sources

The Authentication of Gayo Arabica Green Coffee Beans with Different Cherry Processing Methods Using Portable LED-Based Fluorescence Spectroscopy and Chemometrics Analysis [PDF]

open access: yesFoods, 2023
Aceh is an important region for the production of high-quality Gayo arabica coffee in Indonesia. In this area, several coffee cherry processing methods are well implemented including the honey process (HP), wine process (WP), and natural process (NP ...
Meinilwita Yulia   +5 more
doaj   +2 more sources

Comparison of the Antioxidant Activities and Volatile Compounds of Coffee Beans Obtained Using Digestive Bio-Processing (Elephant Dung Coffee) and Commonly Known Processing Methods

open access: yesAntioxidants, 2020
There are different types of coffee processing methods. The wet (WP) and dry processing (DP) methods are widely practiced in different parts of coffee-growing countries. There is also a digestive bioprocessing method in which the most expensive coffee is
Mesfin Haile   +2 more
doaj   +2 more sources

Polyphenol contents of green coffee beans from different regions of Ethiopia

open access: yesInternational Journal of Food Properties, 2021
The knowledge of the levels of polyphenols present in green coffee beans from different geographical origins is important to identify beans that can provide better coffee quality.
Bewketu Mehari   +5 more
doaj   +2 more sources

Optimation of a Table Conveyor Type Grading Machine to Increase the Performance of Green Coffee Manual Sortation [PDF]

open access: yesCoffee and Cocoa Research Journal, 2006
Coffee consumers request a good quality of green coffee to get a good coffee cup taste. Defective beans e.g. black bean, brown bean and broken bean are associated to low coffee quality which give negative effects to final taste.
Sukrisno Widyotomo
doaj   +2 more sources

Drying and sortation to improve green beans and cup quality of Wamena coffee [PDF]

open access: yesE3S Web of Conferences, 2021
Drying and sortation are the most important steps to improve green coffee beans and cup quality. However, farmers very often neglect these steps. Therefore, a simple technique and soft approach are required to encourage farmers to implement drying and ...
Adnan, Lestari Martina Sri
doaj   +3 more sources

Antioxidant Properties of Fermented Green Coffee Beans with Wickerhamomyces anomalus (Strain KNU18Y3)

open access: yesFermentation, 2020
A few yeast species have been tested frequently to improve the tastes, flavors, and other important quality parameters of coffee. However, continuing evaluations of different yeast species for fermenting green coffee beans will have a significant ...
Mesfin Haile, Won Hee Kang
doaj   +2 more sources

Microstructural Modification and Sorption Capacity of Green Coffee Beans. [PDF]

open access: yesFoods
To enhance the pore structure of green coffee beans (GCB) and detect the sorption capacity and extraction characteristics of flavor compounds before roasting, this study employed several methods: hot air drying (HD), freeze-drying (FD), 3-levels short-time heating with puffing (SH1P, SH2P, and SH3P), and 3-levels microwave with puffing (MW45P, MW60P ...
Dong W   +4 more
europepmc   +4 more sources

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