Caffeine is a naturally occurring alkaloid which is found in the leaves, seeds or fruits of over 63
plants species worldwide. The most common sources of caffeine are coffee, cocoa beans, cola nuts
and tea leaves. ...
Coffee husk is the most abundantly available agricultural waste in many coffee-producing
areas of the tropics including Ethiopia. To date, it does not have much commercial or
industrial value other than, becoming the ...
Green coffee beans contain important components like total acids that were labile of temperature effects and can be affected by roasting. So, it is important to investigate effects of coffee roasting conditions classifying ...
In this study, the influence of altitude on caffeine, chlorogenic and nicotinic acid contents in coffee beans of some Arabica varieties grown in Southwest Ethiopia was investigated. Highperformance liquid chromatography ...