Notes on Technology for Keeping Food Safe

Notes on Technology for Keeping Food Safe - Technology for...

This preview shows page 1 - 2 out of 2 pages.

Technology for Keeping Food Safe Food spoils when its taste, texture, or nutritional value is changed by natural food enzymes or by microbes that grow on food Techniques that preserve food work by destroying enzymes present in the food, by killing microbes, or by slowing microbial growth Technology for Keeping Food Safe Food preservation Older methods: heating, cooling, drying, smoking, adding substances (sugar or salt) Newer methods: irradiation, specialized packaging Risk: substances enter food Additives vs. contaminants Food additive: any substance that can be expected to become part of a
Image of page 1

Subscribe to view the full document.

Image of page 2

Unformatted text preview: food FDA regulates the types and amounts of food additives Accidental contaminants: unexpected substances that enter food Not regulated High & low temperature preservation Provide appealing, safe foods Cooking: kills microbes, destroys most toxins Pasteurization: process of heating food products to kill microbes Sterilization and aseptic processing: placement of sterilized food in sterilized package using sterile process Refrigeration or freezing does not kill microbes but slows or stops microbial growth...
View Full Document

  • Spring '07
  • ShaileshJain
  • Nutrition, Flavor, food additives

What students are saying

  • Left Quote Icon

    As a current student on this bumpy collegiate pathway, I stumbled upon Course Hero, where I can find study resources for nearly all my courses, get online help from tutors 24/7, and even share my old projects, papers, and lecture notes with other students.

    Student Picture

    Kiran Temple University Fox School of Business ‘17, Course Hero Intern

  • Left Quote Icon

    I cannot even describe how much Course Hero helped me this summer. It’s truly become something I can always rely on and help me. In the end, I was not only able to survive summer classes, but I was able to thrive thanks to Course Hero.

    Student Picture

    Dana University of Pennsylvania ‘17, Course Hero Intern

  • Left Quote Icon

    The ability to access any university’s resources through Course Hero proved invaluable in my case. I was behind on Tulane coursework and actually used UCLA’s materials to help me move forward and get everything together on time.

    Student Picture

    Jill Tulane University ‘16, Course Hero Intern