27.9 MB (6.2 MB compressed)
3820 x 2550 pixels
32.3 x 21.6 cm ⏐ 12.7 x 8.5 in (300dpi)
SCIMAT / SCIENCE PHOTO LIBRARY SCIMAT / SCIENCE PHOTO LIBRARY
Dark Pu-erh (also spelled Pu'er) tea is produced in China using Aspergillus foetidus var. Unlike Aspergillus niger, which it resembles, A. acidus does not contain mycotoxins ochratoxin A and fumonisins B2 and B4. A. acids was grown on an agar plate and the sporangia were photographed under a dissecting microscope. Image width: 2306 micrometres. Magnification: 43.4x if the image is printed 10 cm wide.
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