Media type: E-Article Title: Lyophilization and freeze-precipitation as a method for crude extraction of cathinone from Catha edulis leaves with minimum thermal injury Contributor: Banjaw, Mehret Yerdaw; Schmidt, Werner J. Published: Springer Science and Business Media LLC, 2004 Published in: Chemistry of Natural Compounds, 40 (2004) 6, Seite 611-612 Language: English DOI: 10.1007/s10600-005-0056-4 ISSN: 0009-3130; 1573-8388 Keywords: Plant Science ; General Biochemistry, Genetics and Molecular Biology ; General Chemistry Origination: Footnote: