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Ch 9 controlling gro
Chapter 9 controlling microbial growth
| Term | Definition |
|---|---|
| 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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