D value

Definitions

Food

  • The number of minutes of heat required to reduce the number of viable organisms in a sample of food by a factor of 10. This depends on the temperature and the microorganisms, e.g. 12D minutes of heat treatment are required for canning where D is determined by the treatment temperature and conditions for Clostridium botulinum.

Agriculture

  • abbreviation fordigestibility value
  • noun the amount of digestible organic matter in the dry matter of plants.
http://www.dictionarycentral.com/definition/d-value.html