2 hasil untuk "M. Redi-Abshiro"
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Artikel Jurnal
Evaluation of the effect of various drying techniques on the composition of the psychoactive phenylpropylamino alkaloids of khat (Catha edulis Forsk) chewing leaves
The study demonstrated that by freezing or drying under different conditions, cathinone could be detected in the khat (Catha edulis Forsk) samples that have been harvested for more than four months. Freeze drying or freezing in the refrigerator (-20 oC) yielded more than 73% of cathinone. Air…
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Artikel Jurnal
Correlation between caffeine contents of green coffee beans and altitudes of the coffee plants grown in southwest Ethiopia
Caffeine contents of 45 green coffee bean samples collected from coffee plants grown at different altitudes in Southwest Ethiopia was determined by UV-Vis spectrophotometry. The caffeine contents were found in the range of 0.62 - 1.2% (w/w). A moderate negative correlation (R = 0.5463) was found…