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Study on the Physicochemical Properties and Modification of Sweet Potato Starches

Abstract第5-6页
摘要第7-17页
1. INTRODUCTION第17-32页
    1.1 General Introduction第17-18页
    1.2 Literature Review第18-30页
        1.2.1 Overview of sweet potato roots第18-20页
        1.2.2 Starch第20-30页
    1.3 Aim and Content of Research第30-32页
        1.3.1 Aim第30-31页
        1.3.2 Research Content第31页
        1.3.3 Technology Roadmap第31-32页
2. PHYSICOCHENMICAL CHARACTERIZATION OF STARCHES FROM SOME NIGERIAN ANDCHINESE ROOTS AND TUBERS第32-51页
    2.1 Introduction第32-33页
    2.2 Materials and Methods第33-36页
        2.2.1 Materials第33页
        2.2.2 Starch extraction第33页
        2.2.3 Proximate composition第33-34页
        2.2.4 Amylose and amylopectin content第34页
        2.2.5 Starch granular characterization第34页
        2.2.6 Starch particle size distribution第34页
        2.2.7 Enzyme Digestibility of Starches第34页
        2.2.8 Swelling Power and Solubility第34-35页
        2.2.9 Retrogradation Properties第35页
        2.2.10 Thermal Properties第35页
        2.2.11 Pasting Properties第35-36页
        2.2.12 Statistical Analysis第36页
    2.3 Results and Discussion第36-50页
        2.3.1 Chemical composition of the roots and tubers第36-37页
        2.3.2 Chemical composition of the isolated starch samples第37-39页
        2.3.3 Morphological Properties第39-40页
        2.3.4 Enzyme digestibility of starches第40-41页
        2.3.5 Swelling and solubility properties第41-45页
        2.3.6 Retrogradation Properties第45-46页
        2.3.7 Thermal properties第46-47页
        2.3.8 Pasting properties第47-49页
        2.3.9 Correlation analysis among the various physicochemical properties第49-50页
    2.4 Conclusion第50-51页
3. PHYSICOCHEMICAL CHARACTERIZATION OF SWEET POTATO STARCHES POPULARLYUSED IN CHINESE STARCH INDUSTRY第51-66页
    3.1 Introduction第51-52页
    3.2. Materials and Methods第52-54页
        3.2.1 Materials第52页
        3.2.2 Starch Extraction第52-53页
        3.2.3 Chemical Composition第53页
        3.2.4 General Physicochemical Properties第53-54页
        3.2.5 Thermal properties第54页
        3.2.6 Pasting properties第54页
        3.2.7 Statistical analysis第54页
    3.3 Results and Discussion第54-65页
        3.3.1 Proximate composition of sweet potato starches第54-56页
        3.3.2 General physicochemical properties第56-61页
        3.3.3 Thermal properties第61-62页
        3.3.4 Pasting properties第62-64页
        3.3.5 Correlation analysis among the various properties of sweet potato starches第64-65页
    3.4 Conclusion第65-66页
4. PHYSICOCHEMICAL CHARACTERIZATION OF ENZYMATICALLY HYDROLYSED HEATTREATED GRANULAR STARCHES第66-82页
    4.1 Introduction第66-67页
    4.2 Materials and Methods第67-69页
        4.2.1 Materials第67页
        4.2.2 Starch extraction第67页
        4.2.3 Proximate composition第67页
        4.2.4 Heat treatment第67页
        4.2.5 Starch hydrolysis第67-68页
        4.2.6 Scanning Electron Microscopy (SEM)第68页
        4.2.7 Granule size distribution第68页
        4.2.8 General Physicochemical Properties第68-69页
        4.2.9 Differential Scanning Calorimetry (DSC)第69页
        4.2.10 Fourier Transform Infrared Spectroscopy (FTIR)第69页
        4.2.11 X-ray Diffraction(XRD)第69页
        4.2.12 Statistical Analysis第69页
    4.3. Results and Discussion第69-81页
        4.3.1 Proximate Composition第69页
        4.3.2 Enzymatic Hydrolysis第69-71页
        4.3.3 Shape and Granule size distribution第71-73页
        4.3.4 General Properties第73-74页
        4.3.5 FTIR第74-78页
        4.3.6 X-ray diffraction(XRD)第78-79页
        4.3.7 DSC第79-81页
    4.4 Conclusion第81-82页
5. EFFECT OF HIGH HYDROSTATIC PRESSURE TREATMENT ON THE PARTICLE SIZE,STRUCTURAL THERMAL AND RETROGRADATION PROPERTIES OF SWEET POTATO STARCH第82-91页
    5.1 Introduction第82-83页
    5.2. Mate rials and Methods第83-85页
        5.2.1 Materials第83页
        5.2.2 Starch sample preparation第83页
        5.2.3 High hydrostatic pressure treatment第83-84页
        5.2.4 Starch particle size distribution第84页
        5.2.5 Differential scanning calorimetry(DSC)第84页
        5.2.6 Syneresis第84页
        5.2.7 X-ray diffraction(XRD)第84-85页
        5.2.8 Statistical analysis第85页
    5.3 Results and Disussion第85-90页
        5.3.1 Particle size distribution of maize starch granules第85-86页
        5.3.2 Gelatinization properties of HHP-treated starches第86-87页
        5.3.3 Retrogradation properties of native and HHP-treated starches measured by DSC第87-88页
        5.3.4 Syneresis of native and HHP-treated sweet potato starches第88-89页
        5.3.5 X-ray diffraction analysis of native and HHP treated sweet potato starch第89-90页
    5.4 Conclusion第90-91页
6. CONCLUSION AND RECOMMENDATION第91-94页
    6.1 Conclusion第91-93页
    6.2 Recommendation第93-94页
REFERENCES第94-107页
APPENDICES第107-113页
ACKNOWLEDGEMENTS第113-114页
RESUME第114-115页
PUBLICATIONS第115页

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