Navigation Links
Japanese gourmet mushroom found in Sweden
Date:6/28/2010

In Japan, the hon-shimeji mushroom is a delicacy costing up to SEK 8,000 a kilo (800 Euro). Now a student at the University of Gothenburg, Sweden, has discovered that this tasty fungus also grows wild in Sweden.

"There will undoubtedly be a lot of interest in Sweden, and definitely in Japan once these discoveries become known there," says Henrik Sundberg, who conducted the study.

Lyophyllum is a family of many different species of fungi. One of them is Lyophyllum shimeji, previously believed to grow only in the Far East. In Japan, the hon-shimeji or "true shimeji" is a delicacy, and so rare that a kilo of Japanese mushrooms of perfect quality can fetch as much as SEK 8,000 (800 Euro). Then, two years ago, came indications that the species also grows in Sweden.

"We were visited by a Japanese mycologist who found a fungus on a pine heath outside Skellefte which she thought was similar to hon-shimeji," says Henrik Sundberg, a student at the Department of Plant and Environmental Sciences at the University of Gothenburg. "Using molecular techniques, we've now been able to show that this northern Swedish fungus is identical to the Japanese one."

Not the first fungal discovery

This is not the first time that a Japanese gourmet mushroom has been found in northern Scandinavia. Just over a decade ago, researchers were able to show that the Swedish mushroom Tricholoma nauseosum was identical to the Japanese species Tricholoma matsutake. Interest in the Swedish matsutake has been huge, and Japanese mycologists and traders have made their way to the country's northern forests to study the fungus.

Molecular examination gave the answer

It was also the Swedish matsutake that led Japanese mycologist Etsuko Harada to the forest outside Skellefte where she found the Swedish hon-shimeji in August 2008.

"After getting a positive response from Japanese mycologists, we became more and more convinced that we were on the trail of a Japanese delicacy," says Sundberg. "When we found more the following year, we started up a project to examine the fungus using molecular techniques. We were soon able to show that the Swedish and Japanese fungi are, without a doubt, identical."

Thrive on pine heaths

So far the Japanese fungus has been found on sparse pine heaths and flat-rock forests from Ume to Gllivare in northern Sweden, as well as in Dalarna in the middle of the country. The reason why it did not previously attract attention is partly that it was lumped together with related species, and partly that nobody made the link with hon-shimeji. Finds in Norway and Finland suggest that the fungus is probably found throughout the taiga belt of boreal forest from Scandinavia to China and Japan, and maybe even in other areas with a temperate climate and pine forests, such as Scotland, Canada, the USA and Central Europe.

Season in August

The Swedish hon-shimeji probably forms fruiting bodies from August through to the first frosts. It is similar in appearance to its closest relatives, Lyophyllum fumosum and Lyophyllum decastes, but does not grow in such big clusters and often has a thicker stem which swells towards the base and sparser gills.

Its discovery in Sweden is reported in Sundberg's thesis on systematics and biodiversity at the Department of Plant and Environmental Sciences at the University of Gothenburg, and will be featured in a future issue of Swedish journal Svensk Mykologisk Tidskrift.

Shimeji

Shimeji is an umbrella name for more than 20 different fungi and translates roughly as "mushrooms that grow in deep forest during the rainy season". These include species from several different genera, including Tricholoma, Lyophyllum, Hypsizygus and Clitocybe.

Next to the matsutake, the hon-shimeji is the most sought-after and expensive culinary mushroom in the Japanese market. Both of these gourmet mushrooms have been in rapid decline since the mid-20th century, probably due to pests attacking host trees and changes in forestry. Its scarcity means that wild hon-shimeji is currently sold only by a few specialist dealers and served at exclusive restaurants.

The Lyophyllum family has not been widely studied in northern Europe and is notorious for its lush flora of synonyms and poorly defined species. It is therefore unknown how many Lyophyllum species there are worldwide. The mushrooms examined in the study were collected by Henrik Sundberg and Niclas Bergius along with Swedish amateur mycologists, and have since been supplemented with herbarium material.


'/>"/>

Contact: Henrik Sundberg
hesund@yahoo.se
46-703-943-523
University of Gothenburg
Source:Eurekalert

Related biology news :

1. Japanese beetle may help fight hemlock-killing insect
2. Honor for UK-Japanese research
3. Japanese and German researchers meet to discuss climate change
4. Springer and Japanese Society of Biorheology to work together
5. Geraniums could help control devastating Japanese beetle
6. Childrens gardens mushrooming
7. Genetic technology reveals how poisonous mushrooms cook up toxins
8. Button mushrooms contain as much anti-oxidants as expensive ones
9. Childrens gardens mushrooming
10. Dried mushrooms slow climate warming in Northern forests
11. New species of phallus-shaped mushroom named after California Academy of Sciences scientist
Post Your Comments:
*Name:
*Comment:
*Email:
(Date:4/15/2016)... DUBLIN , April 15, 2016 ... of the,  "Global Gait Biometrics Market 2016-2020,"  report ... http://photos.prnewswire.com/prnh/20160330/349511LOGO ) , ,The global gait ... CAGR of 13.98% during the period 2016-2020. ... movement angles, which can be used to compute ...
(Date:4/13/2016)...  IMPOWER physicians supporting Medicaid patients in ... standard in telehealth thanks to a new partnership with ... IMPOWER patients can routinely track key health measurements, such ... and, when they opt in, share them with IMPOWER ... local retail location at no cost. By leveraging this ...
(Date:3/31/2016)... -- Genomics firm Nabsys has completed a financial  restructuring under ... M.D., who returned to the company in October 2015. ... including Chief Technology Officer, John Oliver , Ph.D., ... Vice President of Software and Informatics, Michael Kaiser ... Bready served as CEO of Nabsys from 2005-2014 and ...
Breaking Biology News(10 mins):
(Date:5/4/2016)... , May 4, 2016  Bayer today announced ... compound Stivarga ® (regorafenib) tablets for the ... has met its primary endpoint of a statistically ... RESORCE, evaluated the efficacy and safety of regorafenib ... after treatment with sorafenib. The safety and tolerability ...
(Date:5/3/2016)... PUNE, India , May 3, 2016 ... Type (DNA Chip (Genomics, Drug Discovery, Gene ... Chips), End user (Academics Institutes, Diagnostics Centers), ... 2020" published by MarketsandMarkets, the market is ... 2020 from USD 7.63 Billion in 2015, ...
(Date:5/3/2016)... ... 2016 , ... Kerafast Inc., developers of an online ... globe, today announced the availability of a Zika virus antibody from Vanderbilt University. ... prevention measures for the Zika virus, the virus’s geographical distribution continues to widen ...
(Date:5/3/2016)... (PRWEB) , ... May 03, 2016 , ... ... leading fertility clinics and IVF laboratories. A contingency of reproductive endocrinologists, including ... men and women experiencing infertility and to help them build families. , Ovation ...
Breaking Biology Technology: