Determination of Caffeine Content in Ethanolic Extract of Robusta Coffee Beans Using UV-Vis Spectrophotometry
May 2026
in “
Jurnal Riset Kefarmasian Indonesia
”
Studysummary This study measured caffeine content in ethanolic extracts of robusta coffee beans, finding 221.58 mg of caffeine per gram of extract, which aligns with known levels for Coffea canephora.
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