African Journal of
Agricultural Research

  • Abbreviation: Afr. J. Agric. Res.
  • Language: English
  • ISSN: 1991-637X
  • DOI: 10.5897/AJAR
  • Start Year: 2006
  • Published Articles: 6578

Short Communication

Drying process and Ghanaian green coffee quality crude protein, pH and caffeine levels

Samuel Tetteh Lowor*, Franklin Manu Amoah and Kwabena Opoku-Ameyaw
Cocoa Research Institute of Ghana, P. O. Box 8, Akim Tafo. Ghana.
Email: [email protected]

  •  Accepted: 10 November 2007
  •  Published: 31 December 2007

Abstract

Green coffee beans were dried using three methods (drying on raised platform, drying on polythene sheet kept on ground and drying on concrete floor) at three different densities (20, 30 and 40 Kg/m²). All drying methods and densities had no effect on % crude protein and caffeine levels while strongly affected the pH of dried beans. Drying on concrete floor at 40 kg/m² density yielded a significantly lower pH.

 

Key words: Green coffee, pH, crude protein and caffeine.