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Articles 1 - 6 of 6
Full-Text Articles in Medicine and Health Sciences
Resistant Starch Is Actively Fermented By Infant Faecal Microbiota And Increases Microbial Diversity, Geetha Gopalsamy, Elissa Mortimer, Paul Greenfield, Anthony R. Bird, Graeme P. Young, Claus T. Christophersen
Resistant Starch Is Actively Fermented By Infant Faecal Microbiota And Increases Microbial Diversity, Geetha Gopalsamy, Elissa Mortimer, Paul Greenfield, Anthony R. Bird, Graeme P. Young, Claus T. Christophersen
Research outputs 2014 to 2021
In adults, fermentation of high amylose maize starch (HAMS), a resistant starch (RS), has a prebiotic effect. Were such a capacity to exist in infants, intake of RS might programme the gut microbiota during a critical developmental period. This study aimed to determine if infant faecal inocula possess the capacity to ferment HAMS or acetylated-HAMS (HAMSA) and characterise associated changes to microbial composition. Faecal samples were collected from 17 healthy infants at two timepoints: Preweaning and within 10 weeks of first solids. Fermentation was assessed using in vitro batch fermentation. Following 24 h incubation, pH, short-chain fatty acid (SCFA) production …
Dietary Nitrate Intake Is Associated With Muscle Function In Older Women, Marc Sim, Joshua R. Lewis, Lauren C. Blekkenhorst, Catherine P. Bondonno, Amanda Devine, Kun Zhu, Peter Peeling, Richard L. Prince, Jonathan M. Hodgson
Dietary Nitrate Intake Is Associated With Muscle Function In Older Women, Marc Sim, Joshua R. Lewis, Lauren C. Blekkenhorst, Catherine P. Bondonno, Amanda Devine, Kun Zhu, Peter Peeling, Richard L. Prince, Jonathan M. Hodgson
Research outputs 2014 to 2021
Background
In younger individuals, dietary nitrate supplementation has been shown to improve short‐term vascular and muscle function. The role of higher habitual nitrate intake as part of a typical diet on muscle function in ageing has not been investigated. A cross‐sectional study of relationships between dietary nitrate and measures of muscle function in older community‐dwelling Australian women (n = 1420, ≥70 years) was undertaken.
Methods
Participants completed a semi‐quantitative food frequency questionnaire assessing dietary intake over the previous year. Total nitrate from vegetables and non‐vegetable sources was calculated from a validated instrument that quantified the nitrate content of food …
Canadian Children From Food Insecure Households Experience Low Self-Esteem And Self-Efficacy For Healthy Lifestyle Choices, Stephanie L. Godrich, Olivia K. Loewen, Rosanne Blanchet, Noreen Willows, Paul Veugelers
Canadian Children From Food Insecure Households Experience Low Self-Esteem And Self-Efficacy For Healthy Lifestyle Choices, Stephanie L. Godrich, Olivia K. Loewen, Rosanne Blanchet, Noreen Willows, Paul Veugelers
Research outputs 2014 to 2021
The objectives of this cross-sectional study were to: (i) determine whether there are differences in self-esteem and self-efficacy for healthy lifestyle choices between children living in food secure and food insecure households; and (ii) determine whether the association between household food insecurity (HFI), self-esteem and self-efficacy differs by gender. Survey responses of 5281 fifth-grade students (10 and 11 years of age) participating in the Canadian Children's Lifestyle and School Performance Study II were analyzed using logistic and linear regression. HFI status was determined by the six-item short-form Household Food Security Survey Module (HFSSM). Students from food insecure households had significantly …
A Paleolithic Diet Lowers Resistant Starch Intake But Does Not Affect Serum Trimethylamine-N-Oxide Concentrations In Healthy Women, Angela Genoni, Johnny Lo, Philippa Lyons-Wall, Mary C. Boyce, Claus T. Christophersen, Anthony Bird, Amanda Devine
A Paleolithic Diet Lowers Resistant Starch Intake But Does Not Affect Serum Trimethylamine-N-Oxide Concentrations In Healthy Women, Angela Genoni, Johnny Lo, Philippa Lyons-Wall, Mary C. Boyce, Claus T. Christophersen, Anthony Bird, Amanda Devine
Research outputs 2014 to 2021
The Paleolithic diet excludes two major sources of fibre, grains and legumes. However, it is not known whether this results in changes to resistant starch (RS) consumption. Serum trimethylamine-N-oxide (TMAO) is produced mainly from colonic fermentation and hepatic conversion of animal protein and is implicated in CVD, but changes in RS intake may alter concentrations. We aimed to determine whether intake of RS and serum concentrations of TMAO varied in response to either the Paleolithic or the Australian Guide to Healthy Eating (AGHE) diets and whether this was related to changes in food group consumption. A total of thirty-nine women …
Comparison Of Liberica And Arabica Coffee: Chlorogenic Acid, Caffeine, Total Phenolic And Dpph Radical Scavenging Activity, Aidilla Mubarak, Kevin D. Croft, Catherine P. Bondonno, Nurul Sakinah Din
Comparison Of Liberica And Arabica Coffee: Chlorogenic Acid, Caffeine, Total Phenolic And Dpph Radical Scavenging Activity, Aidilla Mubarak, Kevin D. Croft, Catherine P. Bondonno, Nurul Sakinah Din
Research outputs 2014 to 2021
Information on the composition of chlorogenic acid, caffeine and antioxidant activity of Coffea liberica is scarce, albeit the importance of this species in some parts of the world. This study assessed the composition of chlorogenic acid, total phenolic, caffeine and free radical scavenging activity in green and roasted C. liberica in comparison to C. arabica. The compositions of these compounds were also investigated in C. liberica at different roasting degree. We found a comparable amount of chlorogenic acid in green C. liberica and C. arabica. However, roasted C. arabica had a significantly higher chlorogenic acid content than roasted C. liberica …
The Capacity Of The Fecal Microbiota From Malawian Infants To Ferment Resistant Starch, Yanan Wang, Elissa K. Mortimer, Kondwani G. H. Katundu, Noel Kalanga, Lex E. X. Leong, Geetha L. Gopalsamy, Claus T. Christophersen, Alyson C. Richard, Aravind Shivasami, Guy C. J. Abell, Graeme P. Young, Geraint B. Rogers
The Capacity Of The Fecal Microbiota From Malawian Infants To Ferment Resistant Starch, Yanan Wang, Elissa K. Mortimer, Kondwani G. H. Katundu, Noel Kalanga, Lex E. X. Leong, Geetha L. Gopalsamy, Claus T. Christophersen, Alyson C. Richard, Aravind Shivasami, Guy C. J. Abell, Graeme P. Young, Geraint B. Rogers
Research outputs 2014 to 2021
In Low and Middle-Income Countries (LMIC), weaning is associated with environmentally acquired and inflammation-associated enteric disorders. Dietary intake of high amylose maize starch (HAMS) can promote commensal fermentative bacteria and drive the production of short chain fatty acids (SCFAs). By stabilizing commensal gut microbiology, and stimulating the production of anti-inflammatory metabolites, HAMS supplementation might therefore influence enteric health. However, the extent to which the gut microbiota of LMIC infants are capable of fermenting HAMS is unclear. We assessed the capacity of the fecal microbiota from pre-weaning and weaning Malawian infants to ferment HAMS and produce SCFAs using an in vitro …