In Vitro Cultivation of Micro-organismsElsevier Science & Technology Books, 1992 - 315 pagine A biological examination of the underlying themes to consider how pure cultures of micro-organisms may be isolated from their primary sources to measure their growth and to examine the perameters which influence their performance in culture. |
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Pagina 155
... water activity ( aw ) 6.3 Water availability 6.3.1 Water activity All organisms need water to live . In natural habitats the availability of water is a prime influence on growth . Although water may be present in an environment this ...
... water activity ( aw ) 6.3 Water availability 6.3.1 Water activity All organisms need water to live . In natural habitats the availability of water is a prime influence on growth . Although water may be present in an environment this ...
Pagina 156
Open Universiteit (Heerlen, Netherlands). Water activity , aw 1.000 Material Pure water Human blood Seawater Bread Maple syrup , ham Salami Some organisms growing at stated water activity Caulobacter , Spirillum Streptococcus ...
Open Universiteit (Heerlen, Netherlands). Water activity , aw 1.000 Material Pure water Human blood Seawater Bread Maple syrup , ham Salami Some organisms growing at stated water activity Caulobacter , Spirillum Streptococcus ...
Pagina 157
... water activity by adding water soluble compounds can be found in a large number of foodstuffs with a concentration of salt or sugar . For example : marmalade and jams , syrup , treacle , molasses , marzipan , certain types of sausages ...
... water activity by adding water soluble compounds can be found in a large number of foodstuffs with a concentration of salt or sugar . For example : marmalade and jams , syrup , treacle , molasses , marzipan , certain types of sausages ...
Sommario
Nutrition and cultivation of microorganisms | 22 |
Summary and objectives | 51 |
The estimation of biomass | 54 |
Copyright | |
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Parole e frasi comuni
aerobic agar amino acids anaerobic antibiotics antimicrobial agent bacteria bacterial cells bacteriophage barophiles batch culture biomass biomass concentration biomass feedback bioreactor buffer carbon source cell cycle cell membrane cell number cell wall chapter chemical chemostat coli components compounds constant containing continuous culture count determined dilution rate disinfectants dissolved oxygen dry weight effect electron energy enzyme Equation Escherichia coli eukaryotic example exponential phase factors fermentation glucose grow growth yield coefficient halophiles heat host cell hydrogen increase incubation infection inhibit isolation limiting nutrient liquid living cells measurement medium mesophiles metabolic method micro-organisms microbial microbiology ml¹ molecular nitrogen nucleic acid number of cells organisms penicillin phage plate production protein psychrophiles replication sample specific growth rate steady-state sterilisation substrate concentration synthesis T4 phage technique temperature thermophiles toxic vessel viral virions virus viruses water activity yeast µmax