Source-This post on Roen olmi mushroom is based on the article “Turning mushrooms into gold? Goa researchers claim breakthrough in producing nanoparticles” published in “The Indian Express” on 28th February 2024.
Why in the News?
Researchers in Goa have claimed to have synthesized gold nanoparticles from the Roen olmi mushroom. It is a wild mushroom species that is widely consumed as a delicacy in the coastal state.
What is Roen olmi mushroom?
1. About:
a. It is a mushroom of the Termitomyces species.
b. It grows on termite hills and is called ‘roen olmi‘ in Goa.
c. It is a wild mushroom loved by Goans and eaten during the monsoons.
2. Association with Termites– These mushrooms rely solely on their association with termites for growth and cannot exist independently.
a. Termites provide mushrooms the organic material they need to grow.
b. Termites eat them to obtain enzymes and nitrogen.
3. Habitat– It is found only in the Western Ghats, where the dense forests and high humidity create perfect breeding conditions
4. Significance– It is crucial as a strong decomposing fungus in forests and grasslands, turning 50% of dead plant material into nutrient-rich soil.
5. Concern– It’s over exploitation can cause outbreak of new forest diseases such as Kyasanur Forest Disease (KFD)
Termitomyces species
1. All Termitomyces species are edible and valued for their texture, flavour, nutrients, and health benefits.
2. They have a variety of beneficial antioxidant and antimicrobial properties.
Other types of Mushrooms in Goa
| Local Name | Name derived from their characteristics |
| Khut olmi | Shape- Long stem |
| Fugo olmi | Balloon-shaped |
| Tamdi olmi | Red colour |
| Shith olmi | Fruiting season- winter |
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