FOOD SCIENCE ›› 2009, Vol. 30 ›› Issue (9): 33-36.doi: 10.7506/spkx1002-6630-200909006

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Analysis on in vitro Antioxidant Activity of Supercritical Extract of Antler Velvet

ZHOU Ran LI Shu-fen* ZHANG Da-cheng   

  1. Key Laboratory for Green Chemical Technologies, Ministry of Education, School of Chemical Engineering and Technology,
    Tianjin University, Tianjin 300072, China
  • Received:2008-08-07 Revised:2008-11-19 Online:2009-05-01 Published:2010-12-29
  • Contact: LI Shu-fen E-mail:shfli@tju.edu.cn

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Abstract:

The antioxidant activity of supercritical extract of antler velvet in lipid peroxidation system and its hydroxyl radical-scavenging activities in phenanthroline-Fe (II) system and 2-deoxy-D-ribose-Fe (III) system were analyzed in this study, and these activities were compared to those of vitamin C, and 75% ethanol refluxing extract and methanol refluxing extract of antler velvet. The results showed that all the three antler velvet extracts have excellent activities in the above three antioxidant activity assays. Their hydroxyl radical-scavenging activities in phenanthroline-Fe (II) system all exhibit certain concentration-dependent fashion, and both 75% ethanol refluxing extract and methanol refluxing extract of antler velvet can scavenge the hydroxyl radical generated in 2-deoxy-D-ribose-Fe (III) system with a concentration-dependent manner. The supercritical extract technology shows obvious advantage, namely the supercritical extract antler velvet possesses stronger scavenging effect to the hydroxyl radical generated in 2-deoxy-D-ribose-Fe (III) system than other two antler velvet extracts and vitamin C solution do.

Key words: antler velvet, antioxidant activity, supercritical extraction

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