Food Science and Biotechnology

, Volume 20, Issue 2, pp 543–548 | Cite as

Antimicrobial and antioxidative effects of onion peel extracted by the subcritical water

  • Kyoung Ah Lee
  • Kee-Tae Kim
  • Seung-Yeol Nah
  • Myong-Soo Chung
  • SangWoo Cho
  • Hyun-Dong PaikEmail author
Research Note


The objective of this study was to evaluate the antimicrobial and antioxidative effects of the onion peels extract prepared via the subcritical water extraction (SWE) method. First, the number of cells treated with the extract was reduced by 0.7–1.1 log CFU/mL compared with the control. The SWE extract showed 76.08% scavenging activity and it was more effective than butylated hydroxytoluene (BHT) at 61.3 ppm in lipid peroxidation inhibitory effects. In addition, the antioxidative effect of SWE extract measured via the ferric thiocyanate (FTC) method was 2-fold that of BHT. The results of this study suggest that the onion peels extract prepared via the SWE method may have potential alternative antimicrobial and antioxidative effects as functional substances.


subcritical water extraction quercetin onion peel antimicrobial effect antioxidative effect 


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Copyright information

© The Korean Society of Food Science and Technology and Springer Netherlands 2011

Authors and Affiliations

  • Kyoung Ah Lee
    • 1
  • Kee-Tae Kim
    • 2
  • Seung-Yeol Nah
    • 3
  • Myong-Soo Chung
    • 4
  • SangWoo Cho
    • 5
  • Hyun-Dong Paik
    • 1
    Email author
  1. 1.Division of Animal Life ScienceKonkuk UniversitySeoulKorea
  2. 2.Bio/Molecular Informatics CenterKonkuk UniversitySeoulKorea
  3. 3.Department of Physiology, College of Veterinary MedicineKonkuk UniversitySeoulKorea
  4. 4.Division of Food Science and EngineeringEwha Womans UniversitySeoulKorea
  5. 5.Seoul Perfumery Co., Ltd.SeoulKorea

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