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Navegação Bragantia por autor "Spoladore, Dayse Soave"
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(Instituto Agronômico (IAC), 1980)A method for separation and determination of caffeine and theobromine in plant material by chromatographic column is presented. The alkaloids were extracted from the plant material (cocoa bean) by MgO powder, and separated ... -
(Instituto Agronômico (IAC), 1980)The objective of this study was to establish a rapid method for analysis of caffeine content in green coffee beans. Modifications were made in the usual method (AOAC) by the elimination of KOH 1% washing step and reduction ...
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