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Effects of native chitosan and degraded chitosan at a concentration of 5.0 g/liter on the natural flora of a houmous-water slurry stored at 7°C. Total mesophilic organisms (A), lactic acid bacteria (B), and yeasts (C) were enumerated on selective media. Symbols: ▵, houmous alone; □, houmous treated with native chitosan; ○, houmous treated with chitosan degraded with papaya latex. The results are means based on duplicate viable count values.
