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Freeze drying or ultraviolet light exposure are other ways to inhibit mold growth, although they do not kill mold spores permanently. Eliminating mold through these methods is challenging due to paper degradation caused by light exposure over time. There are also some mold species that have preferences for colder temperatures.
Dry rot is spread by spores which are present in most buildings. The minimum moisture content of timber for spore germination is 28–30% (lower than other rots), and the relative humidity must be in excess of 95%. Spores are resistant to desiccation and may still be viable for germination when they are several years old. [2]
The thermal death point, which is defined as the lowest temperature that can kill all cells in ten minutes, is 60 °C. [7] Rhizopus stolonifer can grow in acidic environments with a pH of as low as 2.2. The pH range can vary from 2.2 to 9.6. [9] Ultraviolet irradiation can delay spore germination. [10]
Mold allergies are present in a minority of the population that is genetically predisposed to mold, and usually this allergy is not life threatening. Black molds, or so called toxic molds, can ...
The body of mold consists of a thread-like root that invades the food, a stalk that rises above the food and may not be visible to the naked eye, and spores that form at the end of the stalks ...
This species is also psychrophilic, it can grow at temperatures between −10 and −3 °C (14 and 27 °F). [15] Cladosporium cladosporioides occurs outdoor environments year-round with peak spore concentration in the air occurring in summer where levels can range from 2,000 spores up to 50,000 spores per cubic meter of air. [16]