Natamycin 7681-93-8

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The action mechanism of natamycin is mainly through the specific binding with ergosterol on the fungal cell membrane, destroying the structure and function of the cell membrane, and then inhibiting the growth and reproduction of the fungus, and even leading to the death of the fungus. The specific process is as follows:
Binding ergosterol: The natamycin molecule has a special structure that binds tightly to the ergosterol found in fungal cell membranes. Ergosterol is an important component of fungal cell membranes and plays a key role in maintaining the integrity and fluidity of cell membranes.
Formation of channels: Natamycin binds to ergosterol to form a channel-like structure in the cell membrane. The formation of such pores changes the permeability of the cell membrane, and important substances that were originally isolated by the cell membrane, such as potassium ions and amino acids, begin to leak outwards.
Interference with cell metabolism: The leakage of intracellular substances destroys the normal metabolic environment within the cell and interferes with the normal physiological function of fungal cells. For example, the loss of electrolytes such as potassium ions can affect the osmotic pressure balance and enzyme activity within the cell, which in turn hinders the metabolic process of fungal cells, making it impossible for the fungus to grow and reproduce normally.
Inhibition of spore germination: Natamycin also has an inhibitory effect on fungal spores. It can prevent the germination and growth of spores, so that the fungus can not reproduce through the spores, so as to effectively control the spread and spread of the fungus.

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