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Dissertations / Theses on the topic 'Probiotic bacteria'

Author: Grafiati

Published: 4 June 2021

Last updated: 25 July 2025

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1

Fong, Long-yan, and 方朗茵. "Immunomodulatory properties of probiotic bacteria." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2013. http://hdl.handle.net/10722/208173.

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Probiotics are living microorganisms, which when administered in adequate amounts confer a health benefit on the host. They have been reported to relieve acute diarrhoea, atopic dermatitis and irritable bowel syndrome in disease-specific animal studies and in human intervention trials. However, probiotics are regularly consumed by general healthy population with limited knowledge in the immunomodulation of probiotics of local and systemic immune responses in healthy experimental models. Serving as the first line of defense against microbial infections and the largest immunological organ in ani

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2

Drakoularakou, Alexandra. "Synbiotic studies on selected probiotic bacteria." Thesis, University of Reading, 2007. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.493809.

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One important development which has recently started to be incorporated to the group of functional foods, is that of the synbiotics (combination of probiotics with prebiotics). This study focused on the development of synbiotic versions of three potential probiotic strains (Lactobacillus acidophilus 74-2, Lactobacillus casei 163 and Bifidobacterium lactis 420) with potential prebiotics and their antipathogenic effects were also investigated. The probiotic characteristics of each of the three strains were assessed prior to investigation of potential synbiotic combinations.

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3

Adebayo, Olajumoke O. "Evaluation of bacterial polymers as protective agents for sensitive probiotic bacteria." Thesis, University of Wolverhampton, 2018. http://hdl.handle.net/2436/621096.

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Probiotics are live microorganisms which when administered in adequate amounts confer one or more health benefits on the host. Different processing conditions, the acidic condition of the stomach and exposure to hydrolytic enzymes affect the viability and efficacy of probiotic organisms. This study investigated the protective effects of two biopolymers poly-gamma-glutamic acid (γ-PGA) and bacterial cellulose (BC) on probiotics during freeze drying and during exposure to simulated intestinal juices and bile salts. The antibacterial property of Bifidobacterium strains was also investigated again

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4

Hamad, Shwan Abdullah. "Novel techniques for microencapsulation of probiotic bacteria." Thesis, University of Hull, 2012. http://hydra.hull.ac.uk/resources/hull:6873.

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Microencapsulation of living cells such as probiotic bacteria can be used for the protection of the cells from harsh conditions such as low pH and mechanical stress in the digestive system. In this thesis we demonstrate various novel strategies to microencapsulate living yeast cells as a model for probiotic bacteria. We prepared and used sporopollenin microcapsules to encapsulate yeast cells by compressing the sporopollenin particles into a pellet which was exposed to an aqueous suspension of yeast cells in the presence of a biocompatible surface active agent. We also demonstrate that the viab

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5

Dixit, Sameer M. "Antagonistic activity of probiotic bacteria based on bacterial diversity in the porcine gut." Thesis, View thesis, 2004. http://handle.uws.edu.au:8081/1959.7/35614.

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Diversity analysis of Escherichia coli have routinely utilised isolates obtained by culture of faeces on MacConkey selective media, under the assumption that the diversity identified in faecal isolates are representative of similar diversity in E. coli in the gastrointestinal tract (GIT). This study has addressed this important issue by specifically isolating E. coli from different regions of the gut in pigs and subjecting them to enzymatic multilocus enzyme electrophoresis (MLEE) and molecular virulence factor (VF) analysis to ascertain whether E. coli populations inhabiting different regions

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Dixit, Sameer M. "Antagonistic activity of probiotic bacteria based on bacterial diversity in the porcine gut." View thesis, 2004. http://handle.uws.edu.au:8081/1959.7/35614.

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Thesis (Ph.D.)--University of Western Sydney, Hawkesbury, 2004.<br>A thesis presented to the University of Western Sydney, Hawkesbury, Centre for Advanced Food Research, in fulfilment of the requirements for the degree of Doctor of Philosophy. Includes bibliographies.

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7

Jones, Mitchell. "Enzymatically active probiotic bacteria for topical and oral therapy." Thesis, McGill University, 2011. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=103498.

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A novel approach whereby one can use probiotic bacteria for the purpose of topical and oral therapy is presented. More specifically, a treatment modality using enzymatically active probiotic production of gaseous nitric oxide (gNO) for wound healing, antimicrobial, cosmetic, and dermatologic therapy is presented. In another aspect, a probiotic treatment modality for metabolic disease and metabolic syndrome using nitrate reductase (NiR) active probiotic bacteria is explored. In concurrence to these requirements, several in-vitro methods are designed and discussed in this report. For some of the

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8

Fjellheim, Anders Jon. "Selection and administration of probiotic bacteria to marine fish larvae." Doctoral thesis, Norwegian University of Science and Technology, Department of Biology, 2006. http://urn.kb.se/resolve?urn=urn:nbn:no:ntnu:diva-2217.

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9

Ramiah, Kamini. "Characterization of the adhesion genes of probiotic lactic acid bacteria." Thesis, Link to the online version, 2008. http://hdl.handle.net/10019.1/1090.

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10

Argin, Sanem. "Microencapsulation of probiotic bacteria in xanthan-chitosan polyelectrolyte complex gels." College Park, Md.: University of Maryland, 2007. http://hdl.handle.net/1903/7826.

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Thesis (Ph. D.) -- University of Maryland, College Park, 2007.<br>Thesis research directed by: Dept. of Nutrition and Food Science. Title from t.p. of PDF. Includes bibliographical references. Published by UMI Dissertation Services, Ann Arbor, Mich. Also available in paper.

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11

Brink, Marelize. "Market and product assessment of probiotics and prebiotics and probiotic strains for commercial use." Thesis, Stellenbosch : Stellenbosch University, 2004. http://hdl.handle.net/10019.1/50011.

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Thesis (MSc Nutrition Science)--Stellenbosch University, 2004.<br>ENGLISH ABSTRACT: Probiotics (live microbes) and prebiotics (non-digestible food-ingredients) are rapidly gaining interest worldwide as supplements and functional food ingredients but little South African information in this regard is available. Furthermore, the availability of South African produced probiotic concentrates for commercial use is also very limited. The aims of this study therefore were to complete a market and product assessment of probiotic and prebiotic containing products in South Africa and to evaluate p

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12

Hart, Ailsa Louise. "Dendritic cells in intestinal inflammation and their modulation by probiotic bacteria." Thesis, Imperial College London, 2005. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.416596.

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13

Bull, Matthew J. "Molecular genetic characterisation of probiotic bacteria : Lactobacillus acidophilus and Bifidobacterium species." Thesis, Cardiff University, 2013. http://orca.cf.ac.uk/53985/.

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Over time and concurrent development of methods to identify and characterise bacteria, the lactic acid bacteria (LAB) have undergone multiple taxonomic revisions. As a result of the revisionary nature of LAB taxonomy, the historical characterisation of Lactobacillus acidophilus has struggled with misidentification and misrepresentation. Now however, due to its global use in food products for both flavour and probiotic effect, L. acidophilus is now one of the most well physiologically characterised Lactobacillus species. Bifidobacterium bifidum and Bifidobacterium animalis subsp. lactis are als

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14

Akter, Nousin. "Rheological behaviour of probiotic bacteria dispersed in maltodextrin and sucrose solutions." Thesis, Malmö universitet, Fakulteten för hälsa och samhälle (HS), 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:mau:diva-26378.

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Probiotic bacteria are live microorganisms, which manifest health benefits in humans. The goal of this work was to characterize rheological properties of probiotic bacteria (Lactobacillus reuteri) formulation in which maltodextrin and sucrose used as excipients. To fulfil the goal, first, thermal, structural and rheological properties of maltodextrin, sucrose solutions and probiotic bacteria slurry were investigated. Probiotic bacteria formulations were prepared by adding probiotic bacteria slurry to maltodextrin and sucrose solutions at different mass fractions. Finally, rheological propertie

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15

Rodriguez, Sala Bruno Gomez Gil. "Evaluation of potential probionts for use in penaeid shrimp larval culture." Thesis, University of Stirling, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.244497.

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16

Páterová, Alena. "Obsah mléčných bakterií ve vybraných typech probiotických potravin." Master's thesis, Vysoké učení technické v Brně. Fakulta chemická, 2010. http://www.nusl.cz/ntk/nusl-216612.

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Probiotics are defined as live microorganisms that have, if ingested, a positive impact on human and animals health. The best known probiotics are the lactic acid bacteria, among them most commonly used are lactobacilli and bifidobacteria. For therapy the minimum daily consumption of at least 100 g of milk product with a minimum 1000000 of probiotic bacteria in 1 g or 1 ml is considered. In this work, several products that have declared on the label probiotic cultures have been selected. All products were analyzed for the number of lactic acid bacteria. Two media - MRS agar and skim milk agar

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17

Kouimtzi, Maria. "Survival of bacteria in pellets, tablets and capsules." Thesis, University College London (University of London), 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.325613.

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18

Carter, Alun James. "An evaluation of the efficacy and safety of probiotic lactic acid bacteria." Thesis, University of Surrey, 2008. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.494201.

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This project was undertaken as part of a commercial evaluation of two probiotic strains for subsequent use in the European market. Probiotic bacteria are thought to act as competitive exclusion agents against food home pathogens by several mechanisms. The aim of the study was to characterise the probiotic strains Lactobacillus salivarius 59 and Enterococcus faecium PXN-33, determine the safety of the probiotic strains and to evaluate the strains ability to competitively exclude Salmonella Enteritidis.

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19

Pispan, Supaporn. "The development of encapsulated probiotic bacteria with prebiotics incorporated into cereal beverages." Thesis, Loughborough University, 2011. https://dspace.lboro.ac.uk/2134/9270.

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Most probiotic products are dairy-based and require refrigeration, but there are currently no spray dried probiotic powders sold commercially today. The aim of this research is to develop instant cereal beverage using an oat-based formulation containing the probiotic organism Lactobacillus acidophilus. Escherichia coli K12 was initially used as a reference Gram negative microorganism to compare with the Gram positive L. acidophilus. The work started with the examination of growth to determine the timings required to harvest cells in the mid-log phase and the early-stationary phase of both bact

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20

Salame, Joumana. "EVALUATION OF TWO ORAL PROBIOTIC PRODUCTS FOR MICROBIAL VIABILITY AND IN VITRO INHIBITION OF SELECTED PERIODONTAL BACTERIAL PATHOGENS." Master's thesis, Temple University Libraries, 2011. http://cdm16002.contentdm.oclc.org/cdm/ref/collection/p245801coll10/id/147512.

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Oral Biology<br>M.S.<br>Objectives: One potential impact of oral probiotic products involves use of known bacterial antagonisms to alter the ecologic environment in periodontal pockets from one inhabited by pathogenic dental plaque microorganisms to one more favorable to colonization by non-pathogenic species (bacterial replacement). Until recently, the ability to introduce such beneficial effector bacteria into the oral cavity of periodontitis patients has been limited by the lack of specifically-formulated available commercial probiotic products. PerioBalance (Sunstar GUM), with two strains

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21

Charalampopoulos, Dimitris. "Development aspects of cereal-based fermented foods with potentially probiotic lactic acid bacteria." Thesis, University of Manchester, 2002. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.488206.

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22

陳怡君 and Yee-kwan Chan. "Modulation of atherosclerosis by probiotic bacteria VSL#3 and LGG in ApoE-/- mice." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2012. http://hdl.handle.net/10722/193068.

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Atherosclerosis is the major cause of cardiovascular diseases, which constitute the top ten leading causes of death worldwide. Atherosclerotic plaque development initiates from the inflamed endothelium under an atherogenic environment – chronic low grade inflammation, hypercholesterolemia, endotoxemia, etc. The principal cause of such inflammation has yet to be defined – with growing evidence that microbial stimulants like lipopolysaccharide (LPS) and peptidoglycan (PGN), which can activate toll-like receptors (TLRs) and nuclear factor-kappaB (NFκB) signaling might be the plausible origins. Th

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23

Whitley, Katherine. "Phenotypic variants of lactic acid bacteria, their metabolism and relevance to probiotic criteria." Thesis, University of Huddersfield, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.323780.

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24

De, Bruyn Anneke. "Isolation of potential probiotic and carotenoid producing bacteria and their application in aquaculture." Thesis, Stellenbosch : Stellenbosch University, 2013. http://hdl.handle.net/10019.1/79852.

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Thesis (MSc)--Stellenbosch University, 2013.<br>ENGLISH ABSTRACT: The ocean’s fish resources are declining mainly because of irresponsible exploitation. Fish is a vital source of protein for humans and growing world populations are threatening the sustainability of commercial fisheries. This has led to the rapid growth of aquaculture worldwide. In South Africa, aquaculture of both fresh and marine species is expanding and is now practised in all nine provinces of the country. One of the major problems in aquaculture is the economic losses as a result of diseases. Viruses, bacteria, fungi

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25

Eratte, Divya. "Co-encapsulation of Omega-3 fatty acids and probiotic bacteria through complex coacervation." Thesis, Federation University Australia, 2016. http://researchonline.federation.edu.au/vital/access/HandleResolver/1959.17/156001.

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The research described in this thesis investigated the microencapsulation of omega-3 oil and probiotic bacteria together in a protein-polysaccharide complex coacervate matrix. The synergistic or competitive interactions between the probiotic bacteria and omega-3 fatty acids when packaged in a single microcapsule was determined including how best to utilise such interaction to achieve improved oxidative stability of omega-3 fatty acid and better survival of the probiotic bacteria. Encapsulation and co-encapsulation of tuna oil (O) and Lactobacillus casei 431 (P) as models of omega-3 and probiot

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26

Nzakizwanayo, Jonathan. "Investigation of host-microbe interactions in the probiotic bacteria Escherichia coli Nissle 1917." Thesis, University of Brighton, 2014. https://research.brighton.ac.uk/en/studentTheses/feb9d228-0d2d-4710-9ce6-3abfcb5a3f1f.

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Probiotics are generally live preparations of bacteria that exert beneficial effects on host health when ingested in sufficient quantities. The novel probiotic Escherichia coli strain Nissle 1917 (EcN) has been shown to have a number of beneficial effects in this context, including protection against food-borne pathogens and infectious diarrheal diseases, and maintaining remission of inflammatory bowel diseases by virtue of its anti-inflammatory properties. However, little is known regarding the mechanisms underlying the beneficial effects of this organism. The overall aim of this work was to

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Boyiri, Blaise B. "Probiotic Potential of Bacterial Isolates From ‘Amabere amaruranu’ Cultured Milk." Digital Commons @ East Tennessee State University, 2014. https://dc.etsu.edu/etd/2389.

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Probiotics are viable nonpathogenic microbes that positively affect host health. Probiotics inhibit infection, activate immunity, and promote mucosal-barrier development. Many microbes have probiotic activity. Nonetheless, the selection of stable strains and their specific mechanism(s) of action are not fully elucidated. Bacteria from ‘Amabere amaruranu’ cultured milk from Kenya were isolated and identified by PCR sequence analysis of the 16S rRNA gene. Isolates were examined for stability to acid and bile, antimicrobial activity, mucin production, and degradation and sensitivity to antibiotic

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Kose, Iskin. "Survival Of Probiotic Microorganisms During Storage After Marketing." Master's thesis, METU, 2011. http://etd.lib.metu.edu.tr/upload/12613671/index.pdf.

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Probiotics are viable microorganisms that show beneficial effects on the health of the host by improving their intestinal microflora. The microorganisms applied as probiotics mainly include Lactobacillus and Bifidobacterium species. Probiotics can inhibit the bacterial pathogens, reduce serum cholesterol levels, improve lactose tolerance and stimulate the immune response. They also have other properties such as<br>tolerance to acid and bile salts, adherence to gastrointestinal cells for colonization, resistance to antibiotics and &beta<br>-galactosidase acitivity. The properties of probioti

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29

Wu, Xi-Yang. "Studies on the impact of probiotic bacteria on enteric microbial diversity and immune response." Access electronically, 2006. http://www.library.uow.edu.au/adt-NWU/public/adt-NWU20061205.102712/index.html.

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30

Hoang, Phuong Ha, Thi Ngoc Mai Cung, Thi Minh Nguyen, Thi Lien Do, Lan Phuong Do, and Thi Nhi Cong Le. "Isolation and selection of probiotic bacteria capable of forming biofilm for fermenting soybean meal." Technische Universität Dresden, 2018. https://tud.qucosa.de/id/qucosa%3A32723.

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Soybean meal (SBM) is residua product after oil extraction, the SBM with 48% protein is used for poultry, cattle. The SBM contains significant amount of anti-nutritional factors. Degradation of most antigenic proteins and protease inhibitors in SBM fermented by fungal, yeast and bacterial strains. Soybean fermented products are used as feed for livestock or aquaculture. Recently, biofilm forming microorganisms were broadly applied for fermentation process using substrates such as rice bran, corn, soybean meal ... to produce probiotics. In this study, we isolated and selected beneficial microbi

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Jawad, Emad. "Technological benefits and potential of incorporation of probiotic bacteria and inulin in soft cheese." Thesis, University of Plymouth, 2016. http://hdl.handle.net/10026.1/4377.

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There is an increasing consumer demand for dairy products which are safe and free from additives. Microbial starter strains, in combination with other factors, were studied for their contribution to the control of unwanted microbes, and maintaining the quality of soft cheese. The technological and functional characteristics of the starter culture strains Lactococcus lactis subsp. lactis and Lactococcus lactis subsp. cremoris, and probiotic bacterial strains Bifidobacterium animalis subsp. lactis BB12, Lactobacillus acidophilus LA-5 and Lactobacillus casei Shirota were investigated. The tests i

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32

IANIRO, Mario. "Antibiotic and probiotic activity of lactic acid bacteria isolated from honeybee gut and beebread." Doctoral thesis, Università degli studi del Molise, 2021. http://hdl.handle.net/11695/105503.

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I batteri lattici costituiscono un ampio ed eterogeneo gruppo di microrganismi storicamente utilizzati per le loro importanti proprietà. Basti pensare ai diversi settori in cui vengono utilizzati: industria alimentare e delle bevande per la produzione di prodotti tradizionali e innovativi fermentati e non, produzione di metaboliti rilevanti a livello industriale e, infine, come organismi probiotici per migliorare la salute e rafforzare il sistema immunitario dell'ospite. Negli ultimi anni quest'ultimo aspetto è stato valutato anche nel settore dell'apicoltura, integrando questi microrganismi

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Krahulcová, Aneta. "Vývoj probiotického doplňku stravy." Master's thesis, Vysoké učení technické v Brně. Fakulta chemická, 2011. http://www.nusl.cz/ntk/nusl-216800.

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The thesis deals with a theme of probiotic mikroorganisms which are aplicated as a dietary supplement. Health benefit on the host have been known for a long time, however, there might be some negative effects affecting a consumer. In connection with this observation defining requirements and evaluating of safety of probiotics in food was necessary. The new probiotic dietary supplement can not be expanded on the market without these processes. Every strain must be tested separately on each property. The ability of rezistance against conditions inside human gastrointestinal tract belongs to the

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Vajglová, Klára. "Vliv různých potravin na viabilitu a růst probiotických bakterií." Master's thesis, Vysoké učení technické v Brně. Fakulta chemická, 2017. http://www.nusl.cz/ntk/nusl-295711.

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The goal of this work was a study the influence of food and beverages on the viability and growth of probiotic bacteria. The influence of food and beverages was tested on monocultures of Lactobacillus acidophilus, Bifidobacterium breve and mixed culture of probiotic microorganisms. In the experimental part, probiotic cultures were incubated in selected foods and beverages. After that they were tested in a model conditions of digestive tract. In some probiotic cultures, growth of viable cells during incubation in the digestive tract was observed. The increase of probiotic cells was showed predo

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Fayemi, Emmanuel. "Inhibition of non-O157 Shiga toxin Escherichia coli in African fermented foods by probiotic bacteria." Thesis, University of Pretoria, 2015. http://hdl.handle.net/2263/53493.

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Non-O157 Shiga toxin producing Escherichia coli (STEC) serotypes are increasingly being associated with outbreaks of foodborne infections and illness. This study evaluated the in vitro probiotic characteristics of Lactobacillus plantarum strain B411 and dominant lactic acid bacteria (LAB) isolated from traditional African fermented maize gruel (ogi). Subsequently, the effects of acid adaption and those potential probiotic bacteria on the growth and survival of non-O157 STEC strains in fermented goat s milk and traditional African fermented cereal-based foods were investigated. Two of the 14

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Makete, Goitsemang. "Isolation identification and screening of potential probiotic bacteria in milk from South African Saanen goats." Diss., University of Pretoria, 2015. http://hdl.handle.net/2263/53515.

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In order to meet the increasing demand for food quality and safety, the control of pathogenic microorganisms from farms to consumers remains a continuous challenge. Disease has always been a critical issue in animal production, affecting animal health and wellbeing. For several decades, antibiotics and chemotherapeutic agents have been used in animal feed to treat and prevent infectious diseases or to promote growth. However, there are concerns about the risk of development of cross-resistance and multiple antibiotic resistance in pathogenic bacteria in both human and livestock. To slow the de

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Barnhart, Katelyn L. "The Influence of Probiotic Supplements on Microbial Diversity in the Gastrointestinal Microbiome of Healthy Horses." The Ohio State University, 2015. http://rave.ohiolink.edu/etdc/view?acc_num=osu1437693649.

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Oliverio, Alexandria Elizabeth. "The Effect of Glyphosate on Human Gastrointestinal Bacteria Lactobacillus, Streptococcus thermophilus, and Bifidobacterium Obtained from Probiotic Medical Food." Ohio Dominican University Honors Theses / OhioLINK, 2021. http://rave.ohiolink.edu/etdc/view?acc_num=oduhonors1620219658669347.

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Talwalkar, Akshat, University of Western Sydney, of Science Technology and Environment College, and of Science Food and Horticulture School. "Studies on the oxygen toxicity of probiotic bacteria with reference to Lactobacillus acidophilus and Bifidobacterium spp." THESIS_CSTE_SFH_Talwalkar_A.xml, 2003. http://handle.uws.edu.au:8081/1959.7/629.

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Oxygen toxicity is considered significant in the poor survival of probiotic bacteria such as Lactobacillus acidophilus and Bifidobacterium spp. in yoghurts. This study investigated methods to protect these bacteria from oxygen exposure. To confirm the accuracy of the reported survival estimates of L. acidophilus or Bifidobacterium spp. in yoghurts, the reliability of several enumeration media was evaluated with different commercial yoghurts. None of the media however, was found reliable thereby casting doubts on the reported cell numbers of probiotic bacteria in yoghurts. After much research,i

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Martoni, Christopher. "Microencapsulated bile salt hydrolyzing probiotic lactic acid bacteria for use in hypercholesterolemia and associated cardiovascular diseases." Thesis, McGill University, 2009. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=66810.

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Elevated serum cholesterol, particularly in the low-density lipoprotein (LDL) fraction, is a major independent risk factor for atherosclerosis and coronary artery disease. Current evidence from a variety of human and animal trials suggests a cholesterol lowering effect of specific strains of probiotic lactic acid bacteria; however the results are frequently inconclusive and supportive mechanistic data is scarce. A need therefore exists for low-cost and effective new technologies to meet the present demands and future challenges of probiotics for use in hypercholesterolemia. I

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Botha, Marlie. "Selection of probiotic lactic acid bacteria for horses based on in vitro and in vivo studies." Thesis, Stellenbosch : Stellenbosch University, 2011. http://hdl.handle.net/10019.1/17846.

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Thesis (MSc)--Stellenbosch University, 2011.<br>ENGLISH ABSTRACT: The equine gastro-intestinal tract (GIT) is a relatively unexplored niche concerning the presence of natural microbiota. Studies have shown that disruption of the microbial population naturally present in the GIT leads to the onset of several forms of gastro-intestinal disorders. To maintain a balanced microbiota, probiotic bacteria need to be administered at specific levels. Beneficial microorganisms assist with digestion of the feed, absorption of nutrients from the GIT, strengthens the immune system and improves the animal‟s

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Hussein, Walaa. "Discovery of Novel Lactic Acid Bacteria Strains with Antimicrobial and Probiotic Traits for Beneficial Industrial Applications." The Ohio State University, 2020. http://rave.ohiolink.edu/etdc/view?acc_num=osu1595587732038431.

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Talwalkar, Akshat. "Studies on the oxygen toxicity of probiotic bacteria with reference to Lactobacillus acidophilus and Bifidobacterium spp." Thesis, View thesis, 2003. http://handle.uws.edu.au:8081/1959.7/629.

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Oxygen toxicity is considered significant in the poor survival of probiotic bacteria such as Lactobacillus acidophilus and Bifidobacterium spp. in yoghurts. This study investigated methods to protect these bacteria from oxygen exposure. To confirm the accuracy of the reported survival estimates of L. acidophilus or Bifidobacterium spp. in yoghurts, the reliability of several enumeration media was evaluated with different commercial yoghurts. None of the media however, was found reliable thereby casting doubts on the reported cell numbers of probiotic bacteria in yoghurts. After much research,i

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Talwalkar, Akshat. "Studies on the oxygen toxicity of probiotic bacteria with reference to Lactobacillus acidophilus and Bifidobacterium spp." View thesis, 2003. http://library.uws.edu.au/adt-NUWS/public/adt-NUWS20040416.103233/index.html.

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45

Hinkel, Brandon Jerome. "Microcapsule Containing Lactic Acid Bacteria for Treatment of Peptic Ulcers." DigitalCommons@CalPoly, 2013. https://digitalcommons.calpoly.edu/theses/967.

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Probiotics are marketed throughout the world to promote the health of the consumer by improving the microorganisms that normally occur in the intestinal tract (Tannock, 1997). It has also been suggested that probiotics can prevent pathogen infections by adhering to the intestinal mucosa (Lee, Lim, Teng, Ouwehand, Tuomola, & Salminen, 2000). While probiotics can be delivered to the infected areas in multiple fashions, microencapsulation is a newer form of delivering probiotics straight to the infected area. A whey protein microcapsule is thought to protect the probiotics from stomach acid and d

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46

Miller, Craig William. "A study of packaging methods to reduce the dissolved oxygen content in probiotic yoghurt." View thesis, 2003. http://library.uws.edu.au/adt-NUWS/public/adt-NUWS20040701.172045/index.html.

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47

Miller, Craig William. "A study of packaging methods to reduce the dissolved oxygen content in probiotic yoghurt." Thesis, View thesis, 2003. http://handle.uws.edu.au:8081/1959.7/633.

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Abstract:

Probiotic bacteria are added to commercial yoghurts as adjunct cultures, to impart health benefits to consumers. To gain maximum therapeutic benefit, the bacteria must remain viable over the shelf life of the yoghurt. Studies have shown, however, that the viability of these bacteria decreases significantly over this period and in some products, is negligible prior to the expiry date. Some strains of probiotic bacteria are oxygen sensitive. Yoghurt has been found to contain a significant concentration of dissolved oxygen and it has been proposed that this has a negative effect on probiotic viab

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48

Miller, Craig William, University of Western Sydney, of Science Technology and Environment College, and of Science Food and Horticulture School. "A study of packaging methods to reduce the dissolved oxygen content in probiotic yoghurt." THESIS_CSTE_SFH_Miller_C.xml, 2003. http://handle.uws.edu.au:8081/1959.7/633.

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Abstract:

Probiotic bacteria are added to commercial yoghurts as adjunct cultures, to impart health benefits to consumers. To gain maximum therapeutic benefit, the bacteria must remain viable over the shelf life of the yoghurt. Studies have shown, however, that the viability of these bacteria decreases significantly over this period and in some products, is negligible prior to the expiry date. Some strains of probiotic bacteria are oxygen sensitive. Yoghurt has been found to contain a significant concentration of dissolved oxygen and it has been proposed that this has a negative effect on probiotic viab

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49

Theunissen, Johnita. "Identification of probiotic microbes from South African products using PCR-based DGGE analyses." Thesis, Stellenbosch : Stellenbosch University, 2004. http://hdl.handle.net/10019.1/49983.

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Thesis (MScFoodSc)--Stellenbosch University, 2004.<br>ENGLISH ABSTRACT: The regular consumption of probiotics is becoming a recognized trend in the food industry due to several reported health benefits. A probiotic is defined as a live microbial feed supplement that beneficially affects the host animal by improving its intestinal microbial balance. A wide variety of probiotic food products are available on the South African market and comprise an assortment of fermented milks, as well as lyophilized preparations in tablet or capsule form. Strains of Lactobacillus acidophilus and Bifid

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von, Schillde Marie-Anne [Verfasser]. "Structure Function Analysis of Probiotic Bacteria in Mouse Models of Chronic Intestinal Inflammation / Marie-Anne von Schillde." München : Verlag Dr. Hut, 2013. http://d-nb.info/1045125857/34.

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