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STUDY FOR THE ACTIVITY OF FLAVONOID IN HEMEROCALLIA FULVA

Luo Hong-xia

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Abstract

The total flavonoids content in Hemerocallia Fulva is determined by 95 percent alcohol extraction and column chromatography colorimetric. It is demonstrated that the total flavonoid in Hemerocallia Fulva is 6.85 %. The extraction of flavonoids from Hemerocallia Fulva was studied and the antioxidant activity of the extracts towards free radical scavenging was evaluated, such as the superoxide aninon radicals and hydroxyl radicals. The results showed that the dosage of flavones was in direct proportion to the antioxidation. Meanwhile, when ascorbic acid was used together with flavonoids, ascorbic acid shows stronger synergistic antioxidant ability with flavonoids.

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What this paper is about

The total flavonoids content in Hemerocallia Fulva is determined by 95 percent alcohol extraction and column chromatography colorimetric. It is demonstrated that the total flavonoid in Hemerocallia Fulva is 6.85 %. The extraction of flavonoids from Hemerocallia Fulva was studied and the antioxidant activity of the extracts towards free radical scavenging was evaluated, such as the superoxide aninon radicals and hydroxyl radicals. The results showed that the dosage of flavones was in direct proportion to the antioxidation. Meanwhile, when ascorbic acid was used together with flavonoids, ascorbic acid shows stronger synergistic antioxidant ability with flavonoids.

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Available abstract

The total flavonoids content in Hemerocallia Fulva is determined by 95 percent alcohol extraction and column chromatography colorimetric. It is demonstrated that the total flavonoid in Hemerocallia Fulva is 6.85 %. The extraction of flavonoids from Hemerocallia Fulva was studied and the antioxidant activity of the extracts towards free radical scavenging was evaluated, such as the superoxide aninon radicals and hydroxyl radicals. The results showed that the dosage of flavones was in direct proportion to the antioxidation. Meanwhile, when ascorbic acid was used together with flavonoids, ascorbic acid shows stronger synergistic antioxidant ability with flavonoids.

Key concepts: Chemistry, Flavonoid, Ascorbic acid, Flavones, Antioxidant, Radical, Extraction (chemistry), Alcohol

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