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Table 1 Amount of alkaloids in green coffee beans obtained by fluorescence method

From: New fluorescence spectroscopic method for the simultaneous determination of alkaloids in aqueous extract of green coffee beans

Origin of green coffee beans sample

Alkaloid in green coffee beans sample

Amount of alkaloid in green coffee beans sample (mean ± SD) %w/w

Abosto (Sidama)

Caffeine

0.95 ± 0.004

Trigonelline

1.01 ± 0.01

Gedeo zone

Caffeine

1.01 ± 0.004

Trigonelline

1.10 ± 0.01

Wendogenet (Sidama)

Caffeine

0.98 ± 0.02

Trigonelline

1.03 ± 0.005