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solid phase microextraction analyses of flavor compounds in foods

. Instrumental Analysis of Volatile Compounds. Static headspace analysis Dynamic headspace analysis Solid phase microextraction. . Detection Limits and Reproducibility of Organic Volatile Compounds in Water. . Definition of Solid Phase Microextraction. Equilibrium partitioning of the compounds between the coating fiber and sample or headspace..

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solid phase microextraction analyses of flavor compounds in foods

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    1. Solid Phase Microextraction Analyses of Flavor Compounds in Foods David B. Min Department of Food Science and Technology The Ohio State University Columbus Ohio

    3. Detection Limits and Reproducibility of Organic Volatile Compounds in Water

    4. Definition of Solid Phase Microextraction

    5. Diagram of SPME Extraction

    6. Principles of Headspace SPME

    7. SPME Analysis of Volatile Compounds

    8. Types of Solid Phases

    9. Effects of Different Solid Phases on the Hexanal Analysis in Soybean Oil

    10. SPME Reproducibility of Major Flavor Compounds in Orange Juice

    11. Effect of Injection Temperature on Chromatograms of Soybean Oil Volatile Compounds

    12. Effect of Coating Thickness on the Absorption for the Extraction of 0.1 ppm Benzene

    13. Effect of Distribution Constant on the Absorption Profile of 0.1 ppm Analyte

    15. Effect of Water and Microwave Heating on the chromatograms of Headspace Polyaromatic Compounds

    16. Effect of Stirring Rate on the Extraction of 1 ppm Benzene in Water

    17. Effect of Agitation Method on the Extraction of 1 ppm Benzene in Water

    18. Effect of Benzene Concentration on Extraction by SPME

    19. Effect of Salts on the Extraction of Volatile Compounds by SPME

    20. Matrix Effect on the Extraction of Alcohols by SPME

    22. Regression Equations between Flavor Compounds (ppm) and GC Peak Areas

    23. Effects of Temperature and Time on the Equilibrium of Flavor Compounds Between the SPME Coating and the Headspace of Orange Juice

    24. Isolation Time Effect on Soybean Oil Volatile Compounds by SPME

    25. Isolation Temperature Effect on Soybean Oil Volatile Compounds by SPME

    27. Volatile Compounds in the Headspace of Soybean Oil by SPME-GC-MS

    28. Effect of Isolation Temperature on Corn Oil Volatile Compounds by SPME

    29. Volatile Compounds in the Headspace of Corn Oil by SPME-GC-MS

    30. Chromatograms of Soybean Oil and Corn Oil

    31. Factors for the Sensitivity of Solid Phase Microextraction

    32. Conclusion

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