Low-Lactose, Prebiotic-Enriched Milk

Plou, Francisco J.; Rodríguez-Colinas, Bárbara; Fernández‐Arrojo, Lucía

doi:10.1016/b978-0-12-802189-7.00004-6

Cited by 3 publications

(2 citation statements)

References 62 publications

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“…Previously we found that the soluble B. circulans β-galactosidase was able to synthesize GOS in milk [21], with a maximum GOS concentration of approximately 8.1 g/L at 4 °C. This yield corresponded to 17.6% (w/w) of the total carbohydrates in milk and was achieved when around 50% of the initial lactose had disappeared [41]. For that reason, we adjusted the flow rate in the PBR to obtain a lactose conversion close to 50% at zero time.…”

Section: Continuous Gos Production Using Milk As Feed Solutionmentioning

confidence: 99%

Continuous Packed Bed Reactor with Immobilized β-Galactosidase for Production of Galactooligosaccharides (GOS)

et al. 2016

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Abstract:The β-galactosidase from Bacillus circulans was covalently attached to aldehyde-activated (glyoxal) agarose beads and assayed for the continuous production of galactooligosaccharides (GOS) in a packed-bed reactor (PBR). The immobilization was fast (1 h) and the activity of the resulting biocatalyst was 97.4 U/g measured with o-nitrophenyl-β-D-galactopyranoside (ONPG). The biocatalyst showed excellent operational stability in 14 successive 20 min reaction cycles at 45 • C in a batch reactor. A continuous process for GOS synthesis was operated for 213 h at 0.2 mL/min and 45 • C using 100 g/L of lactose as a feed solution. The efficiency of the PBR slightly decreased with time; however, the maximum GOS concentration (24.2 g/L) was obtained after 48 h of operation, which corresponded to 48.6% lactose conversion and thus to maximum transgalactosylation activity.HPAEC-PAD analysis showed that the two major GOS were the trisaccharide Gal-β(1→4)-Gal-β(1→4)-Glc and the tetrasaccharide Gal-β(1→4)-Gal-β(1→4)-Gal-β(1→4)-Glc. The PBR was also assessed in the production of GOS from milk as a feed solution. The stability of the bioreactor was satisfactory during the first 8 h of operation; after that, a decrease in the flow rate was observed, probably due to partial clogging of the column. This work represents a step forward in the continuous production of GOS employing fixed-bed reactors with immobilized β-galactosidases.

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Section: Continuous Gos Production Using Milk As Feed Solutionmentioning

confidence: 99%

Continuous Packed Bed Reactor with Immobilized β-Galactosidase for Production of Galactooligosaccharides (GOS)

et al. 2016

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“…Each of these functional components has certain functional properties that can improve human health if consumed continuously at the minimum recommended daily intake [9]. Prebiotics are functional components with the most amount in nature, ranging from simple sugars to non-structural carbohydrates sourced from plant and animal materials [10]. One of the abundant sources is xylose derived from lignocellulosic derivatives, the largest component of biomass on Earth [11], [12].…”

Section: Introductionmentioning

confidence: 99%

An Economic Added Value Analysis of Ready-To-Drink Prebiotic Candidate Milk

Yudiastuti,

Anwar,

Wibisono

et al. 2023

Advances in Social Science, Education and Humanities Research

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This current research aimed to investigate the value added of RTD Prebiotic Candidate Milk which is enriched by xylose as a prebiotic candidate. Xylose is a pentose sugar with functional properties as an anti-diabetic agent by repairing pancreatic cells. Its sweetness level is as sweet as sucrose. The study was designed descriptively and the Hayami and Kawagoe method was used to analyze the value-added of RTD prebiotic candidate milk. The study showed that raw milk processing into RTD prebiotic candidate milk gave 25,644 IDR/kg value added to its raw milk with a value-added ratio of 32.82%. The result was higher than processing it without xylose as prebiotic-added which only gave the added value of 3,141 IDR/kg with a value-added ratio of 7.44%. The profit would be earned was 24,993 IDR/kg with a profit rate of 97.46%. Based on the added value and profit gained, xylose as prebiotic addition to RTD Milk formulation is feasible to be developed because it provides benefits for business owners. The business owner's profit would be owned was 51.74% of the product sales profit.

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Profiles of prebiotic fructooligosaccharides, inulin and sugars as well as physicochemical properties of banana and its snacks as affected by ripening stage and applied drying methods

Pongmalai

Devahastin

2019

Drying Technology

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Low-Lactose, Prebiotic-Enriched Milk

Cited by 3 publications

References 62 publications

Continuous Packed Bed Reactor with Immobilized β-Galactosidase for Production of Galactooligosaccharides (GOS)

Continuous Packed Bed Reactor with Immobilized β-Galactosidase for Production of Galactooligosaccharides (GOS)

An Economic Added Value Analysis of Ready-To-Drink Prebiotic Candidate Milk

Profiles of prebiotic fructooligosaccharides, inulin and sugars as well as physicochemical properties of banana and its snacks as affected by ripening stage and applied drying methods

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