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  • Flores-Copa, VidalInstituto de Investigación y Desarrollo de Procesos Químicos, Chemical Engineering, Faculty of Engineering, Universidad Mayor de San Andrés, P.O. Box 12958, La Paz, Bolivia,Higher University of San Andrés (författare)

Residual brewing yeast as substrate for co-production of cell biomass and biofilm using Candida maltosa SM4

  • Artikel/kapitelEngelska2021

Förlag, utgivningsår, omfång ...

  • 2021-05-30
  • MDPI,2021
  • electronicrdacarrier

Nummerbeteckningar

  • LIBRIS-ID:oai:DiVA.org:umu-185621
  • https://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-185621URI
  • https://doi.org/10.3390/fermentation7020084DOI
  • https://lup.lub.lu.se/record/3cfb8bec-14fe-41f4-9fa5-2e61c636c22dURI

Kompletterande språkuppgifter

  • Språk:engelska
  • Sammanfattning på:engelska

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Klassifikation

  • Ämneskategori:ref swepub-contenttype
  • Ämneskategori:art swepub-publicationtype

Anmärkningar

  • This article belongs to the Special Issue Food Wastes: Feedstock for Value-Added Products 2.0
  • Candida maltosa was cultivated in the liquid phase of residual brewing yeast, a major brewery residue, to produce biomass and biofilm. Using response surface methodology, the effect of two variables at two different levels was investigated. The independent variables were agitation speed (at 100 and 200 rpm), and aeration (at 1 and 3 L min−1). Aeration was identified to be important for the production of both biomass and biofilm, while agitation was the only factor significantly affecting biofilm production. The maximal production of biofilm (2.33 g L−1) was achieved for agitation of 200 rpm and aeration of 1 L min−1, while the maximum for biomass (16.97 g L−1) was reached for 100 rpm agitation and 3 L min−1 air flow. A logistic model applied to predict the growth of C. maltosa in the exponential phase and the biofilm production, showed a high degree of agreement between the prediction and the actual biomass measured experimentally. The produced biofilms were further characterized using Fourier-transform infrared spectroscopy (FTIR), Scanning Electron Microscopy (SEM) and Thermogravimetric Analysis (TGA). FTIR allowed the identification of methyl, carbonyl ester and sulfate groups, and revealed the presence of uronic acid moieties and glycosidic bonds. Water-retention ability up to relatively high temperatures was revealed by TGA, and that makes the produced biofilm suitable for production of hydrogels. SEM also gave indications on the hydrogel-forming potential of the biofilm.

Ämnesord och genrebeteckningar

Biuppslag (personer, institutioner, konferenser, titlar ...)

  • Romero-Soto, LuisLund University,Lunds universitet,Bioteknik,Centrum för tillämpade biovetenskaper,Kemiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Biotechnology,Center for Applied Life Sciences,Department of Chemistry,Departments at LTH,Faculty of Engineering, LTH,Higher University of San Andrés(Swepub:lu)lu2482ro (författare)
  • Romero-Calle, DanitzaInstituto de Investigaciones Fármaco Bioquímicas, Facultad de Ciencias Farmacéuticas y Bioquímicas, Universidad Mayor de San Andrés, P.O. Box 3239, La Paz, Bolivia,Higher University of San Andrés (författare)
  • Alvarez-Aliaga, María TeresaInstituto de Investigaciones Fármaco Bioquímicas, Facultad de Ciencias Farmacéuticas y Bioquímicas, Universidad Mayor de San Andrés, P.O. Box 3239, La Paz, Bolivia,Higher University of San Andrés (författare)
  • Orozco-Gutierrez, FelipeNational Nanotechnology Laboratory, National Center for High Technology, San José, Costa Rica,National Center for High Technology (CeNAT) (författare)
  • Vega-Baudrit, JoséNational Nanotechnology Laboratory, National Center for High Technology, San José, Costa Rica,National Center for High Technology (CeNAT) (författare)
  • Martin, CarlosUmeå University,Umeå universitet,Kemiska institutionen(Swepub:umu)cama0153 (författare)
  • Carrasco, CristhianInstituto de Investigación y Desarrollo de Procesos Químicos, Chemical Engineering, Faculty of Engineering, Universidad Mayor de San Andrés, P.O. Box 12958, La Paz, Bolivia,Higher University of San Andrés (författare)
  • Instituto de Investigación y Desarrollo de Procesos Químicos, Chemical Engineering, Faculty of Engineering, Universidad Mayor de San Andrés, P.O. Box 12958, La Paz, BoliviaHigher University of San Andrés (creator_code:org_t)

Sammanhörande titlar

  • Ingår i:Fermentation: MDPI7:22311-5637

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