论文说明
声明
Acknowledgements
摘要
Abstract
Contents
List of Figures
List of Tables
Abbreviation
Chapter 1 Literature Review
1.1 Introduction
1.2 Lipids in rice
1.2.1 Lipids in rice bran
1.2.2 Lipids in rice endosperm
1.3 Classification and composition of rice phospholipids
1.4 Environmental influence on rice grain lipids
1.5 Roles of rice lipids
1.5.1 Lipids and grain storage
1.5.2 Lipids and health benefits
1.6 Starch inclusion complex:formation,feature and function
1.6.1 Amylose complexed with lipid
1.6.2 Amylopectin complexed with lipids
1.6.4 Effects of amylose-lipids complex on starch properties
1.7 Application of amyiose ligand complex
1.7.1 PharmaceutieaI and biomedicine industry
1.7.2 Food industry
1.8 Contents and significances of this study
Chapter 2 Determination of Starch Lysophospholipids in Rice Using HPLC-MS
2.1 Introduction
2.2 Materials and methods
2.2.1 Plant materials,reagents and standards
2.2.2 Sample grinding and amylose content determination
2.2.3 Multi-step extractions
2.2.4 Single-step extraction
2.2.5 HPLC-MS analysis
2.2.6 Quantification of starch LPLs
2.2.7 Statistical analysis
2.3 Results and discussion
2.3.1 Sample grinding and multi-step extraction
2.3.2 HPLC-MS analysis of lipids extracted from multi-step extraction
2.3.3 HPLC-MS quantification of LPLs
2.3.4 Total starch LPLs by multi-step extraction
2.3.5 Individual starch LPLs by multi-step extraction
2.3.6 Increase sample throughput by single-step extraction method
Chapter 3 Genotypic Variation in Rice Grain Starch Lysophospholipids
3.1 Introduction
3.2 Materials and methods
3.2.1 Plant materials
3.2.2 Chemicals
3.2.3 Starch phospholipid extraction
3.2.4 Determination of starch LPLs by HPLC-MS
3.2.5 Genotype data and association mapping
3.2.6 DNA extraction,primers design,PCR and sequencing
3.2.7 Statistical analysis
3.3 Results
3.3.1 Rice starch lysophosphatidylcholine
3.3.2 Rice starch lysophosphatidylethanolamine
3.3.4 Rice starch total LPLs
3.3.5 Correlation analysis of starch LPLs
3.3.6 Cluster analysis of starch LPLs
3.3.7 Association test
3.3.8 Sequencing,primer design and genotyping via enzyme digestion
3.4 Discussion
Chapter 4 Contribution of LPLs to Pasting and Thermal Properties of Nonwaxy Rice
4.1 Introduction
4.2 Materials and methods
4.2.1 Materials
4.2.2 Pasting viscosities
4.2.3 Thermal properties
4.2.4 Rice endosperm LPLs
4.2.5 Stafistical analysis
4.3 Results
4.3.1 Set 1:Pasting and thermal properties
4.3.2 Set 1:Relationship between physicochemical properties and LPLs
4.3.3 Set 2:Thermal properties
4.3.4 Set 2:Relationship between rice flour physicochemical properties and LPLs
4.3.5 Set 1 and Set 2 combined:relationship between rice flour physicochemical properties and LPLs
4.4 Discussion
Chapter 5 Alteration of Grain Phospholipid Profiles in Low Phytic Acid Rice Mutants
5.1 Introduction
5.2 Materials and methods
5.2.1 Plant materials
5.2.2 Determination of phytic acid content
5.2.3 Determination of inorganic phosphorus content
5.2.4 Determination of starch phospholipids extraction and HPLC-MS
5.2.5 Determination of fice apparent amylose content and RVA pasting viscosities
5.2.6 Genotyping by molecular markers
5.2.7 Extraction,western blotting and quantification of GBSSI protein
5.2.8 Statistical analysis
5.3 Results
5.3.1 Phytic acids and phosphorus content in LPA rice
5.3.2 Endosperm LPLs in LPA rice
5.3.3 LPLs in breeding lines
5.4 Discussion
Chapter 6 Summary and Prospect
Reference
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