Introduction of phytol 1.Physical-chemical property ofphytol 2.Effects ofphytol on mice 3.Effects of phytol on finishing pigs 4.Effects ofphytol and its metabolites Chapter 1 General introduction 1.1 General background 1.2 Photosynthetic pigments and phytol in herbages 1.3 Decomposition pathways of chlorophyll 1.4 Functional compounds in ruminant products 1.5 Objectives Chapter 2 Changes of photosynthetic pigments and phytol in herbages 2.1 Changes of photosynthetic pigments and phytol content at different fertilization levels in fresh herbage and hay 2.2 Changes in carotenoid, chlorophyll and phytol contents in Italian ryegrass during ensiling 2.3 Effects of nitrogen fertilization and harvesting stage on photosynthetic pigments and phytol contents of Italian ryegrass silage 2.4 Effects of lactic acid bacteria addition on photosynthetic pigments of ensiled Italian ryegrass grown under different nitrogen fertilization levels 2.5 Changes of chlorophyll and phytol contents in different harvesting height King grass before and after ensiling Chapter 3 Phytanic aicd production in the rumen 3.1 Effects of fertilization levels and harvesting stages of fresh herbages on ruminal phytanic acid production in vitro 3.2 Effects of fertilization levels and harvesting stages of Italian ryegrass silages on ruminal phytanic acid production in vitro Chapter 4 Effect of forages sources on phytanic acid content in milk of dairy cows 4.1 Introduction 4.2 Materials and methods 4.3 Results 4.4 Discussion Chapter 5 General discussion 5.1 Factors for the changes of photosynthetic pigments and phytol in herbages 5.2 Factors for the changes ofphytanic acid in the rumen 5.3 Factors on the changes ofphytanic acid content in milk 5.4 Conclusion Chapter 6 General summary References Abbreviations
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