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Ch 9 controlling gro

Chapter 9 controlling microbial growth

TermDefinition
Halogens Fluorine, chlorine bromine and iodine.
Iodophor A complex of iodine and detergent.
Tincture A. solution in aqueous alcohol.
Pasteurization The process of mild heating to kill particular spoilage microorganisms or pathogens.
Nonionizing radiation UV radiation.
Commercial This type of sterilization is used to destroy the endospores of Clostridium botulinum.
Germicide A substance capable of killing microorganisms
Detergent A surface-active agent that can dissolve membranes.
Sanitization The removal of microbes from eating utensils and food preparation areas.
Surfactant Agents that decrease surface tension among molecules of a liquid.
Phenol Also known as carbolic acid.
Bacteriocidal A treatment capable of killing bacterial growth.
Alcohol An organic molecule with the functional group -OH.
Sterilization The killing of all microbes, including endospores.
Quaternary ammonium compounds A cationic detergent with four organic groups attached to a central nitrogen atom; used as a disinfectant.
Death time The length of time required to kill all bacteria in a liquid culture at a given temperature is called the thermal ____.
Thermal Death point The temperature required to kill all the bacteria in a liquid culture in 10 minutes
Chemotherapeutics Chemicals used in the treatment of disease
High Efficiency Particulate Air Filter A screen-like material that removes particles larger than 0.3 um from air.
Sepsis A toxic condition resulting from the growth and spread of bacteria in the blood and tissue.
Oligodynamic action The ability of small amounts of a heavy metal compound to exert antimicrobial activity.
Autoclave Equipment for sterilization by steam under pressure.
Ionizing radiation X-rays and gamma rays.
Disinfection Any treatment used on inanimate objects to kill or inhibit the growth of microorganisms
Degerming The removal of microorganisms in an area.
Bacteriostatic A treatment that inhibits bacterial growth.
Viracidal A treatment that kills viruses.
Sterile The absence of contamination by unwanted microorganisms.
Antibiotic An antimicrobial agent, usually produced naturally by a bacterium or fungus
Created by: drmicro
 

 



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