2013•Unpublished venueRequires access

Study on antioxidant activities of total flavonoids from Dendranthema morifolium Tzvel.cv.Gongju in vitro

Shu-Feng Bi

Abstract

The total flavonoids from Dendranthema morifolium Tzvel.cv.Gongju was extracted with the assistance of ultrasound.The antioxidant activities of total flavonoids was evaluated by reducing power,metal chelating ability,and scavenging capacity against DPPH·,sodium nitrite.The results showed that the total flavonoids had reducing power with IC50 value of 0.171 mg/mL and metal chelating ability with IC50 value of 1.529 mg/mL.At the same time,the total flavonoids exhibited scavenging capacity against DPPH·,and sodium nitrite with IC50 values of 0.323、 0.700 mg/mL,respectively.The total flavonoids possessed good antioxidant activities in vitro in a concentration-dependent fashion.

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Key concepts: Antioxidant, Chemistry, Chrysanthemum morifolium, DPPH, Sodium nitrite, IC50, Food science, Antioxidant capacity