Tyrosinase Inhibitor and Antioxidant Activity of Seaweed Powder from Fresh and Dried Sargassum plagyophyllum

Ayun Erwina Arifianti, Effionora Anwar, Nurjanah Nurjanah


Sargassum plagyophyllum from Sargassaceae family contains various bioactive compounds, namely
phlorotannin which is reported as an antioxidant and tyrosinase inhibitor. Tyrosinase inhibitor and
antioxidant activity from seaweed powder that obtained from seaweed’s slurry have not been reported. Thus,
this study was aimed to obtain the best seaweed slurry and powder from S. plagyophyllum based on tyrosinase
inhibitor and antioxidant activity, so it can be used as active substance in skin lightening cosmetic formula.
S. plagyophyllum which prepared fresh and dried was processed into seaweed slurry and lyophilization
to form powder. Antioxidant activity which was determined by 2,2-Diphenyl-1-picrylhydrazyl (DPPH)
radical scavenging method found the IC50 values of ascorbic acid was 0.0035 mg/mL; fresh slurry 27.31
mg/mL; dried slurry 41.13 mg/mL; fresh powder 2.21 mg/mL; and dried powder 13.18 mg/mL. Moreover,
the tyrosinase inhibitory activity which was measured by enzimatic reaction with L-tyrosine as substrate
found IC50 values kojic acid 0.0076 mg/mL; fresh powder 4.97 mg/mL; and dried powder 11.35 mg/mL. Seaweed powder obtained from fresh ingredient is the most optimal result based on its tyrosinase inhibitor
and antioxidant activity, thus potential to be developed further as active substance for lightening cosmetic


Sargassum plagyophyllum, seaweed slurry, seaweed powder, antioxidant, tyrosinase inhibitor

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DOI: http://dx.doi.org/10.17844/jphpi.v20i3.19769










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