Ground beef with or without 3% added glandless cottonseed flour (GCF) was over‐wrapped with polyvinyl chloride film and displayed up to 6 days in a retail case. Aerobic plate counts were slightly higher (P < 0.05) for ground beef with GCF at day 0, with no difference (P > 0.05) found at days 3 and 6. At day 6, a combination of Pseudomonas and heterofermentative Lactobacillus spp. made up a major part of the microflora of ground beef without GCF whereas heterofermentative Lactobacillus spp. constituted a dominant part of the microflora of ground beef with GCF. Discoloration and lipid oxidation in ground beef during display were markedly reduced by addition of 3% GCF.
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Rhee et al. (1985) studied this question.
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