HLSC-124 Chapter 7: HLSC 124 Lecture 8 Notes + Chapter 7 Textbook Notes
Document Summary
Hlsc 124: lecture 8 notes + chapter 7 textbook notes. Tortora, g. , funke, b. , & case, c. (2016). Boiling: will never be an adequate method of sterilization, endospores remain alive, some viruses will stay alive, ex. Autoclave: usable in a hospital setting, ex. Liquids(agar), medical instruments: steam under pressure, 121oc temperature, 15 psi pressure, 15 min process, will not work if the item is covered with foil. Steam needs to come in contact with the item to sterilize it: higher pressure and temperature than boiling, noncommercial example, pressure cooker, in a lab setting equipment must be autoclaved before being thrown out. Using mild heat to kill organisms but not compromise the product. Many organisms survive but are unlikely to cause disease or spoilage. Temperature and time differs based on the product: ex. Milk: used to use the classic method changed to the htst method. Used in developing country"s where refrigeration is not always available.