Image: Optimal Fermentation Temperature for Lactobacillus delbrueckii
Published: October 3, 2026 at 6:16:38 AM UTC
A digital thermometer displays 42.0°C beside a glass fermentation vessel, illustrating an optimal 40–44°C temperature range for Lactobacillus delbrueckii.
Available versions of this image
The image files available for download below are less compressed and higher resolution - and as a result of that, higher quality - than the images embedded in articles and pages on this website, which are more optimized for file size in order to reduce bandwidth consumption.
Regular size (1,536 x 1,024)
Large size (3,072 x 2,048)
Very large size (4,608 x 3,072)
Extra large size (6,144 x 4,096)
Comically large size (1,048,576 x 699,051)
- Still uploading... ;-)
Image description
A landscape-oriented, photorealistic still-life image shows a fermentation setup on a warm brown wooden work surface. The main subject is a large, clear cylindrical glass jar positioned slightly right of center and filled most of the way with an opaque off-white liquid. A thin layer of small bubbles or foam is visible along the liquid surface. The jar opening is covered with a loosely draped white woven cloth secured around the neck with natural-colored twine. A slim stainless-steel temperature probe enters the liquid from above at an angle, with a white cable running from the probe down toward a digital thermometer positioned in the left foreground. The thermometer has a white plastic housing, a pale gray-green LCD screen, and a small illuminated green indicator near the bottom. Its display reads "FERMENTATION TEMPERATURE" above a large "42.0°C", followed by "OPTIMAL" and "Lactobacillus delbrueckii". To the right of the fermentation jar is a small rectangular black chalkboard in a medium-brown wooden frame. Written on it in white chalk-like lettering are "Lactobacillus delbrueckii" and, below a horizontal line, "Optimal Range: 40–44 °C". In the left middle ground is a clear glass bottle or carafe containing a similar off-white liquid. A partially cropped ceramic bowl or cup containing a white substance appears in the lower-left foreground; its exterior is light beige with darker speckling. A folded blue-and-white checked cloth lies behind it. The softly blurred background resembles a bright laboratory or food-preparation workspace. A leafy green plant in a white pot is visible toward the upper left, while the right side contains blurred transparent bottles or laboratory containers and a black-and-white microscope. The background is predominantly white and pale gray, with daylight-like illumination entering from the left. The composition uses shallow depth of field: the thermometer, fermentation jar, probe, and chalkboard are sharp, while the surrounding objects and background are progressively blurred. The dominant colors are white, cream, pale gray, natural wood brown, green, blue, black, and metallic silver. No recognizable commercial branding or logos are visible.
The image is related to: Fermenting Beer with White Labs WLP677 Lactobacillus Delbrueckii