DEDICATION | 第1-5页 |
ACKNOWLEDGMENTS | 第5-8页 |
LIST OF ABBREVIATIONS | 第8-9页 |
ABSTRACT | 第9-11页 |
摘要 | 第11-17页 |
CHAPTER 1 GENERAL INTRODUCTION AND REVIEW OF RELEVANT LITERATURE | 第17-25页 |
·Introduction | 第17-18页 |
·Description of flaxseed | 第18-19页 |
·Health potential of flaxseed | 第19-21页 |
·Oxidative stability in food lipids | 第21-22页 |
·Microencapsulation | 第22-23页 |
·Problem statement and justification | 第23-24页 |
·General objective | 第24-25页 |
·Specific objectives | 第24-25页 |
CHAPTER 2 USING ORTHOGONAL DESIGN TO OPTIMIZE QUANTITY AND QUALITY OFYIELDED FLAXSEED OIL BY ULTRASOUND-ASSISTED EXTRACTION | 第25-35页 |
·Introduction | 第25-26页 |
·Materials and methods | 第26-29页 |
·Materials and chemicals | 第26页 |
·Soxhlet extraction(S.E) | 第26页 |
·Ultrasound assisted extraction(UAE)lab study | 第26页 |
·Flaxseed oil yield determination | 第26-27页 |
·Tocopherol composition(Determination of Vitamin E) | 第27页 |
·Determination of fatty acids | 第27-28页 |
·Peroxide value | 第28页 |
·P-anisidine value | 第28页 |
·Total oxid ation value(Totox value) | 第28页 |
·Statistical analysis | 第28-29页 |
·Results and discussion | 第29-34页 |
·Effect of ultrasonic power on flaxseed oil yield,β- and γ-tocopherols and total oxidation | 第30-31页 |
·Effect of extraction time on flaxseed oil yield,β- and γ-tocopherols and total oxidation | 第31页 |
·Effect of extraction temperature on flaxseed oil yield,β- and γ-tocopherols and total oxidation | 第31-32页 |
·Effect of solvent to solid ratio on flaxseed oil yield,β- and γ-tocopherols and total oxidation | 第32页 |
·Optimization of the extraction parameters of FO yield,β- and γ-tocopherols yield and total oxidation value for the extracted 2.3.1.Effect of ultrasonic power on flaxseed oil yield,β- and γ-tocopherols and total oxidation | 第32-33页 |
·Comparison between Soxhlet and ultrasound assisted extractions | 第33页 |
·Effects of UAE on composition of FO | 第33-34页 |
·Conclusion | 第34-35页 |
CHAPTER 3 EFFECTS OF INDIVIDUALS,BINARY AND TERNARY MIXTURES OFANTIOXIDANTS ON STABILIZING FLAXSEED OIL | 第35-52页 |
·Introduction | 第35-37页 |
·Materials and methods | 第37-40页 |
·Materials | 第37-38页 |
·Determination of Reducing Power | 第38页 |
·Determination of scavenging activity to DPPH | 第38页 |
·Determination of fatty acids | 第38-39页 |
·Tocopherol composition(Determination of Vitamin E) | 第39页 |
·Addition of antioxidants | 第39页 |
·Free Fatty Acids(FFA) | 第39-40页 |
·Peroxide value | 第40页 |
·P-anisidine value | 第40页 |
·Oxidative stability | 第40页 |
·Statistical analysis | 第40页 |
·Results and Discussion | 第40-51页 |
·Reducing power assay | 第40-42页 |
·DPPH radical scavenging activity of antioxidants | 第42-43页 |
·Effect on peroxide value | 第43-46页 |
·Effect on p-anisidine value | 第46-48页 |
·Oxidation tests under Rancimat method | 第48-51页 |
·Conclusion | 第51-52页 |
CHAPTER 4 PROCESS OPTIMIZATION OF STABILIZED FLAXSEED OIL EMULSION TOACHIEVE HIGHER MICROENCAPSULATION EFFICIENCY AND GOODSTORAGE ABILITY BY RESPONSE SURFACE METHODOLOGY | 第52-71页 |
·Introduction | 第52-53页 |
·Materials and methods | 第53-59页 |
·Materials | 第53-54页 |
·Emulsion preparation | 第54-55页 |
·Average droplet size of emulsion | 第55页 |
·Emulsion stability | 第55-56页 |
·Fatty acid composition | 第56页 |
·pH measurements | 第56页 |
·Spray drying | 第56-57页 |
·Moisture content | 第57页 |
·Surface oil determination | 第57页 |
·Total oil content determination | 第57页 |
·Microencapsulation Efficiency(M.E.E) | 第57-58页 |
·Storage tests | 第58页 |
·Peroxide and p-anisidine values determination | 第58-59页 |
·Scanning electron microscopy(SEM) | 第59页 |
·Experimental design and statistical analysis | 第59页 |
·Results and discussion | 第59-70页 |
·Experimental design | 第59-61页 |
·Analysis of Variance(ANOVA) | 第61-62页 |
·Analysis of response surfaces(FOD size) | 第62-64页 |
·Microencapsulation Efficiency(M.E.E) | 第64-66页 |
·Optimization procedure | 第66页 |
·Moisture content | 第66页 |
·Effects of environmental storage conditions on oxidation stability of flaxseed oil powder | 第66-68页 |
·Effect of physical structure of the FOP sprayed dried at 180℃ | 第68-69页 |
·Effects of storage period on physical structure of the flaxseed oil powder | 第69-70页 |
·Reconstituted emulsion particle size distribution | 第70页 |
·Conclusion | 第70-71页 |
GENERAL CONCLUSION AND RECOMMENDATIONS | 第71-73页 |
·General conclusion | 第71-72页 |
·Recommendations | 第72-73页 |
References | 第73-79页 |
Appendix | 第79-84页 |
PUBLISHED PAPERS | 第84页 |