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This study was carried out to compare the antioxidant activities of water extracts of Prunus salicina’s peel and pulp.
The polyphenol contents of daeseokjosaeng, purplekin, formosa, hollywood and hongrosen’s peel were 15.6, 14.2, 8.0,6.1 and 5.7 mg/g, and their pulp were 6.5, 7.5, 5.0, 4.6 and 5.1 mg/g, respectively. Flavonoid contents of daeseokjosaeng,purplekin, formosa, hollywood and hongrosen’s peel were 8.0, 7.5, 7.5, 6.4 and 7.5 mg/g, and their pulp were 6.3, 6.2,6.0, 6.3 and 6.5 mg/g, respectively. The DPPH radical scavenging activity of daeseokjosaeng, purplekin, formosa,hollywood and hongrosen’s peel at 1,000 μg/mL were 25.9, 22.5, 14.1, 12.8 and 15.2%, and their pulp were 14.1, 14.1,11.8, 12.2 and 13.0%, respectively. The ABTS radical scavenging activity of daeseokjosaeng, purplekin, formosa,hollywood and hongrosen’s peel 1,000 μg/mL were 81.4, 85.9, 64.7, 60.0 and 45.1%, and their pulp were 60.5, 41.7,26.5, 21.6, 30.8%, respectively. The superoxide dismutase (SOD)-like activity of daeseokjosaeng, purplekin, formosa,hollywood and hongrosen’s peel 1,000 μg/mL were 33.8, 26.6, 32.9, 31.0, 46.5%, and their pulp were 35.3, 36.3, 35.9,35.2, 35.3%, respectively. These results suggest that Prunus salicina water extracts have considerable antioxidant activities and could be a useful functional source for the cosmetic materials.