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New Green Animal Waste Hydrolysis Initiated by Malic Acid.

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    0543648 - ÚCHP 2022 RIV AE eng J - Journal Article
    Hanika, Jiří - Rousková, Milena - Šabata, Stanislav - Kaštánek, František - Šolcová, Olga
    New Green Animal Waste Hydrolysis Initiated by Malic Acid.
    Current Biochemical Engineering. Roč. 7, č. 3 (2021), s. 1-9. ISSN 2212-7119
    R&D Projects: GA TA ČR(CZ) TN01000048
    Grant - others: AV ČR(CZ) StrategieAV21/8
    Program: StrategieAV
    Institutional support: RVO:67985858
    Keywords : animal waste * acidic hydrolysis * malic acid
    OECD category: Chemical process engineering
    Method of publishing: Limited access

    Background: A giant amount of poultry waste represents one of the threats to the environment, or conversely, a significant source of peptides and other substances in demand. Rational use of huge quantities of poultry waste, especially after industrial chicken processing, is one of the pillars of biorefinery of animal wastes.
    Introduction: Six different animal wastes: chicken feathers, cartilages and the residue after meat separation, sheep wool, rabbit hair, and the rest of the goose feathers from blankets after cleaning were chosen for a hydrolysis test with malic acid as the initiator.
    Result: The newly designed hydrolysis of animal wastes at 140 oC with malic acid for initiation was successfully verified for all animal wastes. The resulting hydrolysates contained a mixture of amino acids, peptides, proteins, glycoproteins, and no salts.
    Conclusion: Hydrolysate applications for agriculture was successfully tested as a biostimulant in the form of a 10% water solution.
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    2021CurrentBiochemicalEngineering_hydrolza_rzn_surovina (2).pdf16.4 MBPublisher’s postprintopen-access
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