Abstract
Using the method of scanning electron microscopy, a comparative study of the particle surface morphology and the elemental composition of the cuticle of Hermetia illucens pupa before and after the application of the culture liquid (CL) of the probiotic strain Lactobacillus acidophilus B 2707 was carried out. At the same time, under the influence of CL, destruction of relatively large particles of the powder of the chitin-protein complex of the cuticle (average particle diameter D 845.3 ± 109.1 μm) and the formation of small fragments (average D 63.4 ± 13.9 μm), including nanoparticles (average D 54 ± 18 nm). A biofilm of lactobacilli enriched with calcium, magnesium and phosphorus was obtained on a sorbent consisting of microparticles of the cuticle of insect pupae and including nanoparticles, which provided the probiotic preparation with high biological efficiency.
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