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Chemistry and biochemistry of herbage

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  • "V.1.Free amino acids, bound amino acids, amines and ureides: Technical aspects of amino acid analysis; The free amino acids of pasture species; Factors which influence the free amino acids of herbage; Biosynthetic pathways and control of biosynthesis of protein amino acids; The non-protein amino acids in herbage; Pharmacologically active non-protein amino acids; The role of free amino acids in plant metabolism and animal nutrition; Bound amino acids; Amines and related compounds; Ureides. Proteins and nucleic acids: Proteins; Nucleic acids; Proteins in herbage. The nonstructural carbohydrates: Herbage nonstructural carbohydrates; Biochemical aspects of nonstructural carbohydrates; Genetic variations; Nonstructural carbohydrate concentrations among plant parts; Agronomic variations in nonstructural carbohydrates. Structural carbohydrates: Polysaccharide definitions and properties; Classes opf structural polysaccharides; Measurement of structural polysaccharides; Variations in herbage; Biosynthesis; Enzymic hydrolysis. Lipids: Composition of the lipids of leaf tissue; Lipid metabolism; Surface lipids; Methods for isolation of plant lipids; Fate of leaf lipids on digestion by ruminants. Plant phenolics: Structure and properties; Biogenesis of phenolic compounds; Metabolism of phenolic compounds; Factors affecting concentration in plants. Lignin: Biosynthesis of lignin precursors; Criteria for lignin and lignin formation; Polymerization of precursor alcohols to lignin; Lignin-carbohydrate bonds; Agricultural aspects of lignin. Alkaloids: Detection and estimation of alkaloids; Alkaloids of the gramineae; Alkaloids of the leguminosae; Pyrrolizidine alkaloids; Other plant families. Cyanogenic glycosides and glucosinolates: Chemical structure and nomenclature; Distribution; Biosynthesis; Enzymic degradation; Agronomic and agriculture aspects. Chlorophyll, carotenoid pigments and sterols: Chlorophylls; Carotenoids; Relationship between chlorophylls and carotenoids; Plant sterols. Forage saponins: Chemical structure; Purification, separation and characterization of forage saponins; Analysis of forage saponins; Nutritional and physiological significance of forage saponins. Mineral composition of herbage: Soil factors; Genus, species and variety; Stage of maturity; Seasonal and temperature effects; Fertilizers and sward management; The distribution of mineral elements in pasture plants. Nutritional aspects of soil ingestion by grazing animals.; v.3.Drying and storing herbage as hay: Quality of the herbage to be made into hay; Plant reaction to cutting; Drying at ambient temperature; Drying with heat; Storage of hay; General hay quality. The ensilage process: Microbial flora; Changes in composition; Criteria for assessing the efficiency of the fermentation process; Losses during ensilage; Additives; Specific ensiling characteristics of green crops. Leaf protein as an animal and human foodstruff: Herbage protein; Sources and productivity; Processing and products; Nutritional evaluation and quality. Salient features of the digestion of pastures by ruminants and other herbivores: The digestive tract; Environment of the areas of microbial colonization in the intestinal tract; Fermentation; bacterial cell synthesis; Efficiency of utilization of feed by herbivores; Measurements of the rate fermentation in the rumen; metabolism of the end products of fermentation and digestion; general considerations. The feeding value of herbage: Terminology; Dynamics of rumen digestion; Voluntary intake; Nutritive value; The relative importance of intake and nutritive value in determining; The grazing ecosystem; Towards and index of feeding value. Laboratory methods of evaluating feeding value of herbage: Chemical methods; Physical methods; In vivo methods; In vitro rumen fermentation techniques; Comparison of methods. Limitations to the productivity of the herbage-fed ruminant that arise from the diet: General considerations; The range of disorders; The economic significance of disorders."
  • "Vitamins. Water in herbage. Biochemistry of photosynthesis. Physiology of light utilization by swards. Mineral absorption and its relation to the mineral composition of herbage. Mineral biochemistry of herbage. Organic acids, and their role in ion uptake. Symbiotic nitrogen fixation by legumes. The nitrogen cycle pasture ecosystems. Cycling of mineral nutrients in pasture ecosystems. Changes accompanying growth and senescence and effect of physiological stress. Organic reserves and plant regrowth. Genetic variation in herbage constituents."
  • "Vitamins; Water in herbage; Biochemistry of photosynthesis; Physiology of light utilization by swards; Mineral absorption and its relation to the mineral composition of herbage; Mineral biochemistry of herbage; Organic acids, and their role in ion uptake; Symbiotic nitrogen fixation by legumes; The nitrogen cycle pasture ecosystems; Cycling of mineral nutrients in pasture ecosystems; Changes accompanying growth and senescence and effect of physiological stress; Organic reserves and plant regrowth; Genetic variation in herbage constituents."

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  • "Chemistry and biochemistry of herbage"
  • "Chemistry and biochemistry of herbage"@en