Author:
Babic Isabelle,Watada Alley E.
Abstract
A study was undertaken to determine the inhibitory effect of freeze-dried spinach (Spinacia oleracea L.) powder and its native mesophilic aerobic microorganisms (MAM) on the growth of six strains, representing three species, of Listeria in tryptic soy broth (TSB). The cultures were incubated at 10 °C and growth was measured daily. Both spinach powder and MAM inhibited growth; maximum populations at 6 days were 8.8 Log10 colony-forming units (cfu) per mL-1 in control, 6.4 in spinach powder cultures, and 7.4 in MAM cultures. These results indicated that growth of various Listeria species/strains was affected by the bacteriostatic effect of spinach powder and competitive effect of native microorganisms.
Publisher
American Society for Horticultural Science
Cited by
1 articles.
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