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Abstract
Mangrove fruit is becoming increasingly popular as a raw material for coffee-like
beverages in several coastal areas, including Tomini Bay and Gorontalo. Several types of
mangroves, such as Rhizophora mucronata, have traditionally been used by local communities
to produce a beverage resembling coffee in terms of aroma and color. However, to date, there
has been limited scientific data examining the caffeine content in these mangrove fruits. This
study aims to analyze the caffeine levels in roasted mangrove fruits used as an alternative coffee
beverage. A sample of 1 kg of mangrove fruit, with two replicates, was collected from the coastal
area of Tomini Bay, specifically in Bubaa Village, Paguyaman Pantai, Boalemo. The fruit was
then dried, roasted, and extracted using hot water as a solvent. This study conducted caffeine
content analysis using high-performance liquid chromatography (HPLC).. The analysis showed
that Curve 1 contained 269.81 mg/kg of caffeine in mangrove fruit, and Curve 2 contained
324.89 mg/kg, while the stem samples of mangrove fruit contained no detectable caffeine.
These findings indicate that mangrove fruit has the potential to be a natural caffeine-containing
coffee beverage ingredient that is safe for consumption by caffeine-sensitive groups.
Keywords
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