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BIOPRODUCTS (What are they?) (SECONDARY Metabolites (formed near the…
BIOPRODUCTS
(What are they?)
Produced by Living Organisms
3 CATEGORIES OF SOURCES
Intracellular macromolecules
protein in cytoplasm,protein from
recombinant bacterial fermentations,starch
found in plant cells and intracellular proteins
Extracellular products
proteins, antibiotics, organic acids, and alcohols secreted during
microbial fermentations or cell culture
Whole cells
single-cell protein, baker’s yeast and animal feed supplements
derived from yeast fermentation
enormous range of physical & chemical properties
enormous range of product values & production
levels
Broad Categories of BIOPRODUCTS
MACROMOLECULES
Prosthetic Groups and Hybrid Molecules
Functions and Commercial Uses of Proteins
protein 1,2,3 & 4 structure
Stability of Proteins
Recombinant Protein Expression
Nucleic Acids and Oligonucleotides
Polysaccharides
highly adsorptive
Proteins
Polysaccharides
Nucleic acids
PARTICULATE PRODUCTS
Ribosomes,Viruses,Bacteria,Organelles
can be collected by
sedimentation or filtration
SMALL BIOMOLECULES
cannot be sedimented, separated by
extraction
Sugars,Amino acids,Vitamins& Organic acids,
Primary Metabolites &Secondary Metabolites
PRIMARY Metabolites
key metabolic intermediates in catabolism & anabolism
formed during the primary growth phase of the organism
SECONDARY Metabolites
formed near the beginning of the stationary phase
not formed during the primary growth phase of the organism
more complex with multiple functional groups
not associated with primary growth cycle