Last week I introduced a cyanobacteria that reminds me of my childhood and that is commonly known as witch’s jelly or witch’s butter. But witch’s butter is also the common name of fungus, so I thought it would be interesting to introduce it today. Its scientific name is Tremella mesenterica.
Also known as yellow brain, yellow trembler or golden jelly fungus, the witch’s butter is found in all continents and appears as a lobed and curly jelly material growing on dead wood and may be mistaken as a saprobic species, a wood decomposer, but that’s not true. The witch’s butter is actually a parasite of saprobic fungi of the genus Peniophora, such as the rosy crust Peniophora incarnata.
The witch’s butter is edible, but usually considered tasteless. Some preliminary results indicate that it may reduce blood glucose levels, therefore having the potential do be developed into a hypoglycemic agent for the treatment of diabetes mellitus.
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Lo, H., Tsai, F., Wasser, S., Yang, J., & Huang, B. (2006). Effects of ingested fruiting bodies, submerged culture biomass, and acidic polysaccharide glucuronoxylomannan of Tremella mesenterica Retz.:Fr. on glycemic responses in normal and diabetic rats Life Sciences, 78 (17), 1957-1966 DOI: 10.1016/j.lfs.2005.08.033
Wikipedia. Tremella mesenterica. Available at <https://en.wikipedia.org/wiki/Tremella_mesenterica>. Access on September 22, 2016.
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