Table 2.

DPPH, ABTS, and hydroxyl radical scavenging activities and total polyphenols/flavonoids contents of the seabuckthorn paste.

Sample	IC50 (μg/ml)a			Content (mg/g)
	DPPH radicalb	ABTS radicalb	Hydroxyl radicalb	Total polyphenolsb	Total flavonoidsb
SP	18.54 ± 0.78	9.75 ± 0.35	1.43 ± 0.10	191.5 ± 5.78	130.9 ± 4.25
Troloxc	5.39 ± 0.12	3.02 ± 0.11	1.07 ± 0.08	—	—

^aIC₅₀ (μg/ml): the concentration at which 50% is inhibited. ^bEach value is expressed as mean ± standard deviation (n = 3). ^cTrolox as positive control.