Color development | Blue to turquoise |
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Feature | All are colonies of coliform bacteria. |
Color development | Blue to turquoise, yellowish green |
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Feature | All turquoise colors are coliform bacteria. |
Food specimen | Chicken liver |
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Feature | Colonies can be confirmed though the color is entirely developed by the enzyme contained in the internal organs. If the colonies are difficult to see, further dilution can reduce the color development caused by the food enzyme. |
Food specimen | Cheese |
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Feature | Colonies can be confirmed though the color is entirely developed by the enzyme contained in the dairy product. If the colonies are difficult to see, further dilution can reduce the color development caused by the food enzyme. |