Geosmin is a bicyclic alcohol with formula C 12 H 22 O, a derivative of decalin. It is produced from the universal sesquiterpene precursor farnesyl pyrophosphate (also known as farnesyl diphosphate), in a …

Geosmin is an organic compound responsible for the earthy scent often perceived after rain or soil disturbance. Its name, coined in 1965 by scientists Nancy N. Gerber and Hubert A. Lechevalier, …

Jun 7, 2023 · Geosmin is a bicyclic alcohol produced by certain blue-green algae (cyanobacteria) and bacteria (mainly Actinomyces, such as Streptomyces). The compound has an earthy, musty, or …

Oct 19, 2021 · Geosmin is the pleasant smell of soil and that earthy scent that comes with and after rain, and microbes produce it. Learn microbes make it and why?

Soil bacteria or geosmin The main contributor to the smell of rain is geosmin caused by actinobacteria, or decaying organic matter that provides nutrients for developing plants and other organisms.

Geosmin | C12H22O | CID 29746 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities, safety/hazards/toxicity information, supplier …

What is geosmin and what causes it? Geosmin (pronounced " jee-OZ-min ") is a naturally occurring compound produced by a number of microorganisms found in soil and aquatic environments, …

Aug 30, 2025 · Geosmin is the primary compound that produces the characteristic earthy smell after rainfall, called petrichor. It originates from soil bacteria, especially from Myxobacteria species like …

Mar 23, 2020 · Geosmin is a natural bicyclic terpene with an earthy odor. According to The Merck Index, it is the “major volatile component of beet essence, also . . . the potent earthy odor contaminant of …

Jan 18, 2025 · Geosmin is a terpene produced by bacteria (mainly Streptomyces) and fungi found in soils and bodies of fresh water. Geosmin and other terpenes, such as 2-methyl-isoborneol (2-MIB), …