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Process for extracting mannoproteins from brewer's yeast sediments

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dc.contributor.author BEȘLIU, Alina
dc.contributor.author CHISELIȚA, Natalia
dc.contributor.author CHISELIȚA, Oleg
dc.contributor.author EFREMOVA, Nadejda
dc.contributor.author TOFAN, Elena
dc.contributor.author LOZAN, Ana
dc.date.accessioned 2024-02-15T13:13:21Z
dc.date.available 2024-02-15T13:13:21Z
dc.date.issued 2021
dc.identifier.citation BEŞLIU, Alina et al. Process for extracting mannoproteins from brewer's yeast sediments. In: The 25th international exhibition of inventions INVENTICA 2021, Iasi, Romania, 2021, p. 298. ISSN:1844-7880. en_US
dc.identifier.issn 1844-7880
dc.identifier.uri http://repository.utm.md/handle/5014/26415
dc.description Patent application No. A 20210004, 2021.01.29. Environment protection; Zootechnics; Food products; Pharmaceuticals; Medicine and Agriculture. en_US
dc.description.abstract Procedeul, conform invenţiei, prevede utilizarea biomasei de levuri din deşeurile industriei de bere (30 g) care se amestecă cu 30 ml soluţie tampon fosfat de sodiu (raport 1:1), apoi se supune autolizei la +37°C sau +45°C timp de 8 ore, cu agitare periodică, centrifugarea, prelucrarea sedimentelor cu soluţie 1N NaOH (raport 1:5) la temperatura de +80±5°C timp de 2 ore, apoi se efectuează centrifugarea la 3500 rot./min timp de 15 min şi supernatantele alcaline obţinute se sedimentează cu alcool etilic 96% în volum 1:2. Procedeul permite obţinerea cu 7-16% mai multe manoproteine comparativ cu varianta martor. en_US
dc.description.abstract The process according to the invention includes the use of brewer's yeast biomass (30 g) which is mixed with 30 ml of sodium phosphate buffer (1: 1 ratio) then subjected to autolysis at +37°C or +45°C for hours, with periodic stirring, then centrifugation and the process of remaining the sediments with 1N NaOH (1:5) ratio solution at +80±5°C for 2 hours, centrifugation at 3500 rpm. For 15 minutes, the alkaline supernatants obtained were sedimented with 96% ethyl alcohol in a volume of 1:2. The process allows obtaining 7-16% more mannoproteins compared to the control variant. en_US
dc.language.iso en en_US
dc.publisher Technical University "Gheorghe Asachi" of Iași en_US
dc.relation.ispartofseries International exhibition of inventions, INVENTICA;25th ed., Iasi, Romania, 2021
dc.rights Attribution-NonCommercial-NoDerivs 3.0 United States *
dc.rights.uri http://creativecommons.org/licenses/by-nc-nd/3.0/us/ *
dc.subject invenţii en_US
dc.subject inventions en_US
dc.subject biomasă de levuri en_US
dc.subject deşeuri ale industriei de bere en_US
dc.subject brewer's yeast biomass en_US
dc.subject mannoproteins en_US
dc.title Process for extracting mannoproteins from brewer's yeast sediments en_US
dc.type Article en_US


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  • 2021
    The 25th International Exhiibiitiion of Inventiions, 23rd - 25th June

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