The three-phase linear model of bacterial growth: a response

Author: Garthright W.E.

Source: Food Microbiology, Volume 14, Number 2, April 1997 , pp. 193-195(3)

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Abstract:

Buchanan et al. compare a three-phase linear model of bacterial growth with the Gompertz and Baranyi nonlinear models. The three-phase linear model imposes horizontal line fits on the lag and stationary periods and uses least squares regression to allocate observations to the three phases, as well as to the coordinates of the three lines themselves. This extension of the early graphical methods of microbiologists is mechanistic and very simple, and appears fully adequate for use as a primary model to support multi-parameter environmental modeling of bacterial growth.

Language: English

Document Type: Letter paper

Affiliations: Food and Drug Administration, Center for Food Safety and Applied Nutrition, 200 C. St., S. W., Washington, DC 20204, USA

Publication date: 1997-04-01