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Yoghurt bacteria

Yoghurt bacteria. Coloured scanning electron micrograph (SEM) of the bacteria Streptococcus thermophilus and Lactobacillus bulgaricus in live yoghurt. S. thermophilus (red) are spherical, Gram-positive bacteria that often form chains as seen here. This thermophile bacteria is capable of living at the high temperatures of 50-65 Celsius. L. bulgaricus (blue) are rod-shaped Gram-positive bacteria that grow in acid media and produce lactic acid from the fermentation of carbo- hydrates. Both of these bacteria are used in the manufacture of yoghurt. They are added to milk and incubated at a high temperature to produce yoghurt. Magnification: unknown.
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Title:
Yoghurt bacteria
Caption:
Yoghurt bacteria. Coloured scanning electron micrograph (SEM) of the bacteria Streptococcus thermophilus and Lactobacillus bulgaricus in live yoghurt. S. thermophilus (red) are spherical, Gram-positive bacteria that often form chains as seen here. This thermophile bacteria is capable of living at the high temperatures of 50-65 Celsius. L. bulgaricus (blue) are rod-shaped Gram-positive bacteria that grow in acid media and produce lactic acid from the fermentation of carbo- hydrates. Both of these bacteria are used in the manufacture of yoghurt. They are added to milk and incubated at a high temperature to produce yoghurt. Magnification: unknown.
Credit:
Album / Science Source / SCIMAT
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Image size:
4977 x 3449 px | 49.1 MB
Print size:
42.1 x 29.2 cm | 16.6 x 11.5 in (300 dpi)
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