Antioxidant Activity of Different Solvent Extracts from Rabdosia serra (Maxim.) Hara Roots

doi:10.7506/spkx1002-6630-201115009

Abstract

Abstract: The extraction efficiency of soluble components from Rabdosia serra (Maxim.) Hara roots using seven kinds of solvents such as distilled water, 60% ethanol, aqueous ethanol, methanol, butanol, chloroform and ethyl acetate was explored. Meanwhile, total phenol contents and the abilities to scavenge DPPH and ABTS free radicals and to chelate Fe2+ of seven different extracts were also evaluated. The results showed that water and 60% ethanol extracts had better effectiveness in extracting soluble components from R. serra (Maxim.) Hara roots. In addition, the highest content of total phenols was detected in 60% ethanol extract. Moreover, 60% ethanol extract also revealed the best DPPH racial scavenging capacity (better than rosemary extract, bamboo extract and ascorbyl palmitate), the best ABTS+ · scavenging capacity (better than rosemary extract), and the best Fe2+ chelating capacity (better than rosemary extract, bamboo extract and rutin).

Key words: Rabdosia serra (Maxim.) Hara root, total phenols, antioxidant capability

CLC Number:

TS202.3

DONG Yi，LIN Lian-zhu，ZHAO Mou-ming. Antioxidant Activity of Different Solvent Extracts from Rabdosia serra (Maxim.) Hara Roots[J]. FOOD SCIENCE, 2011, 32(15): 39-42.

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Antioxidant Activity of Different Solvent Extracts from Rabdosia serra (Maxim.) Hara Roots

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