Mass spectrometric analysis reveals chemical properties of zoohumus fractions from Tenebrio molitor larvae, suggesting enhancements for organic fertilizer use.
In this scientific article, the elemental composition of various fractions of zoohumus obtained from the feeder insect Tenebrio molitor was studied using the mass spectral analysis method. The study compared purified (fine fraction) zoohumus obtained from larvae, untreated (coarse fraction) zoohumus obtained from larvae, purified (1.0 mm sieve) zoohumus obtained from beetles, zoohumus obtained from larvae left without feeding for three days, and the total fraction of zoohumus obtained from larvae. The amount of basic chemical elements, such as Na, Mg, P, K, Al, Fe, in each sample was determined and the differences between them were assessed. The results showed that the fractional composition of zoohumus has a significant effect on its chemical properties. In particular, high contents of sodium and magnesium were recorded in the composition of untreated samples and samples mixed with feed residues. Based on these analyses, recommendations can be developed to improve the efficiency and standardization of zoohumus as an organic fertilizer in the future.
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Salomova et al. (2025) studied this question.
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