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2. Obtaining postbiotics
Heat treatments are the most widely used. The oldest postbiotic, Lactobacillus LB, was obtained by heating for one hour at 110°C . Today, pasteurization and tyndallization are the most commonly used techniques, but other methods can also be used: sonication, gamma or ultraviolet rays, lysis, high pressure, spray drying or chemical drying (formalin) (figure 1 ).
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Obtaining postbiotics
Active components of postbiotics
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