Biotechnology Bulletin ›› 2014, Vol. 0 ›› Issue (4): 43-49.

• Technique • Previous Articles     Next Articles

Evaluation of Five DNA Extraction Methods for Different Processed Fish Samples

Li Jinbo1,2, Sheng Jing3, Li Xiang2, Pan Liangwen2, Lü Rong2, Yang Jielin2,   

  1. (1. Institute of Biotechnology,East China University of Science and Technology,Shanghai 200237;
    2. Shanghai Entry-Exit Inspection & Quarantine Bureau,Shanghai 200135;
    3. Shanghai Tingxin Middle SchoolShanghai 201505)
  • Received:2013-09-22 Online:2014-04-29 Published:2014-04-29

Abstract: It was to find more effective method for DNA extraction, five methodologies for DNA extraction from eleven different processed fish samples were compared. Five methods, including CTAB method and four commercial DNA extraction kits were employed and compared on the extraction of DNA from 11 processed fish samples, such as boiled, oil immersed, fumed, roasted, dried and salt-dried fish etc. The quality and quantity of the extracted DNA were evaluated by measurement of the absorbance at 230, 260 and 280 nm, and by qualitative PCR. The result showed that five methods can all be used to extract from the most processed fish samples, but the quality and quantity of the extracted DNA were different. So every method has its benefits and disadvantages.

Key words: Processed fish samples, DNA extraction, DNA purification, PCR