Off-flavors, especially earthy and musty odors are among the widespread problems in freshwater bodies of different purposes, especially for water supplies and aquaculture, which have been reported in USA, Canada, Japan, Australia, Europe, South Africa, etc.Most of the problems are caused by two major saturated bicyclic terpenoids, namely, geosmin (trans-1,10-dimethyl-trans-9-decalol) and 2-methylisoborneol (1,2,7,7-tetramethyl-exo-bicyclo [2.2.1]-heptan-2-ol or 2-MIB), which are usually produced as secondary metabolites by so...
