Abstract :
Phenolic compounds have very active antioxidant potential, one of
which can be found in the peel of citrus fruits and each variation of
orange peel has many differences. differences in variations of citrus fruit
peels can affect the total phenolic yield contained, for this reason, the
concentration of variations in the peel of lemon, lime and baby java
sweet orange is carried out. The research objective was to determine the
effect of total phenolic content in the ethanol extract of lemon peel, lime
peel, and baby java sweet orange peel using UV-Vis spectrophotometric
method.
The extraction method used was remaceration with 70% ethanol
solvent. Quantitative analysis of the ethanol extract of variations of
orange peel using UV-Visible spectrophotometry with the FolinCiocalteu method.
In this study, the results of phenolic content determination in the
ethanol extract of baby java sweet orange were 42.19 mg GAE / g, lemon
peels 32.38 mg GAE / g, and lime peels 21.37 mg GAE / g. .The
comparison of phenolic levels showed a statistically significant
difference (P <0.05).