DPPH RADICAL SCAVENGING ACTIVITY EFFECT OF EDIBLE SEAWEEDS FOR NOODLES
Seok Hyeon Moon, Ji Hun Jo, In Sook Kye and *Man Kyu Huh
ABSTRACT
The 1- diphenyl 2-picrylhyorazyl (DPPH) scavenging activity from ethanol extracts of four edible alga, Porphyra tenera, Undaria pinnatifida, Sargassum fusiforme and Enteromorpha linza were evaluated. DPPH scavenging activity was analysed according to the method of Brand-Williams et al. S. fusiforme was showed the highest inhibition activity of DPPH among four alga. DPPH scavenging activities of S. fusiforme was evaluated 69.3% at 8.0 mg/ml. DPPH scavenging activity of P. tenera was evaluated 27.0% at 8.0 mg/ml. U. pinnatifida and E. linza were showed similar inhibition of DPPH scavenging activity. According to results of DPPH assay per seaweed, inhibitory activities were in the order of S. fusiforme > P. tenera > E. linza > U. pinnatifida. The DPPH scavenging activities of dough which was instant noodles mixed with P. tenera and 3.5% salt were 18.6% at 8.0 mg/ml. After boiling for 5.0 minutes, DPPH scavenging activity of mixed instant noodles with extracts of S. fusiforme was evaluated 54.0% at 8.0 mg/ml.
Keywords: 1, 1- diphenyl 2-picrylhyorazyl (DPPH), noodle, Porphyra tenera, Sargassum fusiforme, Undaria pinnatifida.
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