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枸杞多糖多模式超声辅助提取技术研究

ABSTRACT第5-7页
摘要第8-15页
Chapter 1 General introduction and literature review第15-22页
    1.1 Introduction第15页
    1.2 Lycium Barbarum (Goji)第15-16页
    1.3 Chemical composition of Lycium Barbarum第16页
    1.4 Lycium Barbarum polysaccharides (LBP)第16-17页
    1.5 Ultrasound assisted extraction第17-18页
    1.6 Ultrasound assisted extraction parameters and optimization第18页
    1.7 Miniature fiber NIR spectrometer第18-19页
    1.8 NIR spectral data analysis第19页
    1.9 Objectives of the study第19-20页
    1.10 Organization of dissertation第20-22页
Chapter 2 Single-frequency Ultrasound Assisted Extraction of Crude Polysaccharides from Lycium Barbarum第22-31页
    2.1 Introduction第22页
    2.2 Materials and methods第22-25页
        2.2.1 Materials and equipment第22-23页
        2.2.2 Method第23-25页
            2.2.2.1 Traditional hot water extraction第23页
            2.2.2.2 UAE optimization method第23-24页
            2.2.2.3 Determination of crude polysaccharides第24-25页
    2.3 Results and discussions第25-30页
        2.3.1 Hot water extraction第25页
        2.3.2 UAE optimal conditions第25-30页
            2.3.2.1 Effect of extraction time on Lycium Barbarum crude polysaccharides yield第25-26页
            2.3.2.2 Effect of extraction temperature on Lycium Barbarum crude polysaccharides yield第26-27页
            2.3.2.3 Effect of solid/liquid ratio on Lycium Barbarum crude polysaccharides yield第27-28页
            2.3.2.4 Effect of ultrasound single-frequency on Lycium Barbarum crude polysaccharides yield第28-30页
    2.4 Summery第30-31页
Chapter 3 Dual-frequency Ultrasound Assisted Extraction of Crude Polysaccharides from Lycium Barbarum第31-39页
    3.1 Introduction第31页
    3.2 Materials and methods第31-35页
        3.2.1 Materials第31-34页
        3.2.2 Method第34-35页
            3.2.2.1 Dual-frequency UAE mode第34页
            3.2.2.2 Opposite-sit UAE mode第34页
            3.2.2.3 Determination of crude polysaccharides第34-35页
    3.3 Results and discussions第35-37页
        3.3.1 Yield of crude polysaccharides using dual-frequency UAE mode第35-36页
        3.3.2 Yield of crude polysaccharides using opposite-sit UAE mode第36-37页
        3.3.3 Comparing extraction frequencies among the three UAE modes第37页
    3.4 Summery第37-39页
Chapter 4 In-situ and Real-time Monitoring of UAE Process of Lycium Barbarum Polysaccharides by NIR Spectrometer第39-48页
    4.1 Introduction第39页
    4.2 Materials and method第39-42页
        4.2.1 Materials第39-40页
        4.2.2 Methods第40-42页
            4.2.2.1 Dual-frequency UAE of Lycium Barbarum Polysaccharide第40-41页
            4.2.2.2 In-situ and real-time measurement by miniature NIR spectroscopy第41页
            4.2.2.3 Determination of Lycium Barbarum Polysaccharide第41页
            4.2.2.4 Calibration Model Development第41-42页
            4.2.2.5 Statistical analysis第42页
    4.3 Result and discussion第42-46页
        4.3.1 UAE of Lycium Barbarum polysaccharide第42-44页
        4.3.2 Si-PLS model of polysaccharide第44-46页
    4.4 Summery第46-48页
Chapter 5 Conclusion and Future Work第48-50页
    5.1 General Conclusion第48页
    5.2 Future work第48-50页
References第50-55页
ACKNOWLEDGEMENT第55页

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