Accession Number:

ADA196858

Title:

Growth of Staphylococcus aureus and Fungi in Beef Snacks at Various Levels of Water Activity

Descriptive Note:

Final rept. 1987-1988

Corporate Author:

ARMY NATICK RESEARCH DEVELOPMENT AND ENGINEERING CENTER MA

Report Date:

1988-01-01

Pagination or Media Count:

18.0

Abstract:

Plain type I and spiced type II beef snacks are components of military rations. They were evaluated to determine the ability of S. aureus and selected fungi to grow in them at various water activity aw levels. S. aureus did not grow in type I beef snack at aw 0.93 or lower, but it did grow in type II beef snack at aw 0.92 and 0.94 with the elaboration of enterotoxin at aw 0. 94. Indigenous microflora grew in type I beef snack at aw 0.93, but not at 0.90 or lower. In type II beef snack, indigenous microflora grew at aw 0.88 and above. Fungi did not grow in either type of beef snack of aw levels between 0.71 and 0.88. Keywords Staphylococcus aureus, Fungi, Military rations, Enterotoxins, Food production, Food processing, Food storage.

Subject Categories:

  • Food, Food Service and Nutrition
  • Microbiology

Distribution Statement:

APPROVED FOR PUBLIC RELEASE