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European journal of lipid science and technology : EJLST v.119 no.2, 2017년, pp.1500375 -    SCI SCIE
본 등재정보는 저널의 등재정보를 참고하여 보여주는 베타서비스로 정확한 논문의 등재여부는 등재기관에 확인하시기 바랍니다.

MALDI‐SpiralTOF technology for assessment of triacylglycerols in Croatian olive oils

Peršurić, Željka (Department of Biotechnology, Centre for High‐Throughput Technologies, University of Rijeka, Rijeka, Croatia ) ; Osuga, Junichi (JEOL SAS, Espace Claude Monet—1, Croissy‐sur‐Seine, France ) ; Galinac Grbac, Tihana (Faculty of Engineering, University of Rijeka, Rijeka, Croatia ) ; Peter‐Katalinić, Jasna (Department of Biotechnology, Centre for High‐Throughput Technologies, University of Rijeka, Rijeka, Croatia ) ; Kraljević (Department of Biotechnology, Centre for High‐Throughput Technologies, University of Rijeka, Rijeka, Croatia ) ; Pavelić, Sandra ;
  • 초록  

    Traceability and authenticity of olive oils in Croatia were probed by a versatile analytical approach using spiral MALDI‐TOF MS system for the triacylglycerol (TAG) analysis. Molecular ion patterns were shown to represent specific data for statistical analysis, in which differences of cultivar regions of Croatian coast were recognized. This pilot project allows indications to be followed in high throughput procedures with high number of samples to get statistically relevant data for discrimination of olive oils from different geographic sites. Additionally, the fragmentation in the TOF/TOF MS provided distinct highly valuable data for assignment of acyl residues. In this way molecular species with different fatty acid substituents can be clearly assigned and possible isomeric mixtures identified. Practical applications : Olive oil TAG analysis is important to determine authenticity of olive oil and detect adulteration. This work shows that spiral MALDI‐TOF MS analysis of TAG composition is a promising method for tracing geographical differences in olive oils. Triacylglycerol composition of Croatian extra virgin olive oils was determined by spiral MALDI‐TOF MS technology. Obtained data were analyzed by Principal Components Analysis to establish relations between TAG composition and geographical origin and proved useful for assessment of Croatian olive oil origin.


  • 주제어

    Fragmentation by TOF .   Geographical origin .   MALDI‐SpiralTOF MS .   Olive oil analysis .   TOF MS .   Triacylglycerol.  

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