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Growth of Z. bailii (A) and S. cerevisiae (B) in laboratory media at 25°C in the presence of 0.1 g of native chitosan per liter (■) and lysozyme-degraded chitosan (□). The controls consisted of unsupplemented laboratory medium (●), autoclaved lysozyme (▵), and chitosan plus autoclaved lysozyme (▴). The results are means based on five replicate values for absorbance at 620 nm (A620). Bars indicate standard error.
