Evidence map›Paper›PMID 39903231›Full record

ArticleBioprocess and biosystems engineering2025

Nanofiltration-based purification process for whole-cell transformed prebiotic galactooligosaccharides.

Anita Srivastava, Arjun Rastogi, Avijeet S Jaswal, Jatindra K Sahu, Gopal P Agarwal, Saroj Mishra

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Article in Bioprocess and biosystems engineering, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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5 · Who and what money

Authors and funding

6 authors.

Anita SrivastavaDepartment of Biochemical Engineering and Biotechnology, Indian Institute of Technology Delhi, Hauz-Khas, New-Delhi, 110016, India. ird600137@iitd.ac.in.
Arjun RastogiDepartment of Biochemical Engineering and Biotechnology, Indian Institute of Technology Delhi, Hauz-Khas, New-Delhi, 110016, India.
Avijeet S JaswalDepartment of Biochemical Engineering and Biotechnology, Indian Institute of Technology Delhi, Hauz-Khas, New-Delhi, 110016, India.
Jatindra K SahuFood Bioprocess Engineering Research Laboratory, Centre for Rural Development and Technology, Indian Institute of Technology Delhi, Hauz-Khas, New-Delhi, 110016, India.
Gopal P AgarwalDepartment of Biochemical Engineering and Biotechnology, Indian Institute of Technology Delhi, Hauz-Khas, New-Delhi, 110016, India.
Saroj MishraDepartment of Biochemical Engineering and Biotechnology, Indian Institute of Technology Delhi, Hauz-Khas, New-Delhi, 110016, India.

Funding

Department of Science and Technology (under Govt. of India), India SR/ WOS-A/LS-38/2016
6 · The paper itself

Abstract

The enrichment of galactooligosaccharides (GOS), synthesized by whole cells of Kluyveromyces marxianus 3551 in a 5.0-L bioreactor, was investigated in this study. The synthesized sugar mixture containing 17.89% (w/w of total carbohydrates) of GOS with 15.57% (w/w of total carbohydrates) of lactose, and 66.54% (w/w of total carbohydrates) monosaccharides as impurities, was subjected to nanofiltration for enrichment of GOS. Three distinct spiral wound membranes, namely, NFPS-01(polysulfone), NFCA-02 (cellulose acetate), and NFPES-03 (polyethersulfone) were tested out of which the NFPES-03 performed the best for fractionation of the GOS mixture. The polyethersulphone membrane (cut-off 400-1000 Da) was evaluated at 30 ℃ and 50 ℃, at different transmembrane pressures or TMP (15, 20, 25 bar) and a combination of high temperature (50 ℃) and low pressure (15 bar) gave the greatest difference in the trisaccharide and disaccharide/monosaccharide rejection percentages, resulting in enrichment of GOS. An analysis of the sugar concentrations in the retentate samples by high-performance liquid chromatography indicated the percentage recovery of GOS in the integrated process to be 88.8%. Measurement of the growth profile of several microbes on the nano-filtered GOS demonstrated its effectiveness as a prebiotic source.

Indexed as

BioreactorsFiltrationGalactoseKluyveromycesOligosaccharidesPrebioticsMembranes, ArtificialPolymersSulfonesGalactoseMembranes, ArtificialOligosaccharidespolyether sulfonePolymersPrebioticsSulfonesFermentationGalactooligosaccharidesGalactosidaseNanofiltrationPermeabilized cells

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.