Biotilgængelighed fra kikærter måltider hos ileostomister?
Biotilgængelighed af makronæringsstoffer og bioaktive forbindelser fra kikærter måltider: en ileostomistudie.
The matrix of a food can significantly affect how well humans can absorb and use nutrients. Plants like fruits, vegetables, nuts, grains, and legumes have cell walls that form a network around their cells. These cell walls are a barrier for the digestive system to break down completely, which can make it harder to digest the food and get energy from it. This study will explore how the integrity of plant cell walls affects how well humans can absorb macronutrients (protein, fat and carbohydrates) and beneficial compounds e.g. phytochemicals. The study will compare two chickpea meals that have similar nutrients and energy content but differ in the amount of intact plant cell walls e.g. chickpea salad meal (INTACT diet) and chickpea burger meal (BROKEN diet).
Studieoversigt
Status
Status
Betingelser
Betingelser
Intervention / Behandling
Intervention / Behandling
Detaljeret beskrivelse
The energy content of food can be in principle calculated by multiplying the content of each energy-yielding substrate by the corresponding heat of combustion. However, only part of this energy yielding substrates is converted to energy because of their incomplete digestion and absorption in the gastrointestinal tract. The structural composition of foods, known as the food matrix, significantly affects nutrient bioavailability. One such structural feature is the integrity of plant tissues characterised by the interconnected, continuous network of cell walls which surround and protect plant cells. When cellular integrity is retained, macronutrients are naturally "encapsulated" within cell walls which effectively reduces the rate and the extent of their digestibility by 6-7% compared to a diet poor in plant-based foods. This study aims to investigate the effect of plant tissue integrity on the total energy excretion of a diet, bioavailability of macronutrients and bioactive compounds, and on plasma levels of glucose, essential amino acids and triglycerides. The investigators will do this by comparing two diets which have (approximately) the same composition in macronutrients and energy but different levels of plant tissues integrity, namely a diet rich in intact plant tissues (INTACT diet), and a diet poor in such intact plant tissues (BROKEN diet). The investigators will use an ileostomy model to be able to determine the difference in energy excretion at the level of the terminal ileum.
Undersøgelsestype
Undersøgelsestype
Tilmelding (Faktiske)
Tilmelding
Fase
Fase
- Ikke anvendelig
Kontakter og lokationer
Studiesteder
-
-
N.Ireland
-
Coleraine, N.Ireland, Det Forenede Kongerige, BT52 1SA
- Human Intervention Studies Unit, Ulster University
-
-
Deltagelseskriterier
Berettigelseskriterier
Berettigelseskriterier
Aldre berettiget til at studere
Tager imod sunde frivillige
Køn, der er berettiget til at studere
Beskrivelse
Inclusion Criteria:
- Previously had an ileostomy
- ≥1.5-years post-operative
- Aged 18-60 years
- Males and females (not currently pregnant/lactating)
- Non-smokers
- Not allergic to nuts and celery
Exclusion Criteria:
- Never had an ileostomy
- <1.5-year post-operative
- Not aged 18-60 years
- Pregnant/lactating female
- Smokers
- Allergic to nuts and celery
Studieplan
Hvordan er undersøgelsen tilrettelagt?
Design detaljer
- Primært formål: Andet
- Tildeling: Randomiseret
- Interventionel model: Crossover opgave
- Maskning: Enkelt
Antal våben
Våben og indgreb
Deltagergruppe / ArmDeltagergruppe / Arm |
Intervention / BehandlingIntervention / Behandling |
|---|---|
|
Eksperimentel: Intakt måltid
|
Salad meal containing intact chickpeas |
|
Eksperimentel: Brudt måltid
|
Burger meal containing chickpea flour |
Hvad måler undersøgelsen?
Primære resultatmål
Primære resultatmål
Resultatmål |
Foranstaltningsbeskrivelse |
Tidsramme |
|---|---|---|
|
Ileal fluid energy content
Tidsramme: Change over 8 hours comparison between treatments
|
Energy content calculated by dry matter (g/100g dry basis) |
Change over 8 hours comparison between treatments
|
Sekundære resultatmål
Sekundære resultatmål
Resultatmål |
Foranstaltningsbeskrivelse |
Tidsramme |
|---|---|---|
|
Cirkulerende triglyceridniveauer
Tidsramme: Skift over 8 timers sammenligning mellem behandlinger
|
Skift over 8 timers sammenligning mellem behandlinger
|
|
|
Ileal fluid macronutrient content
Tidsramme: Change over 8 hours comparison between treatments
|
Measured by dry matter (g/100g dry basis) |
Change over 8 hours comparison between treatments
|
|
Ileal fluid alkylresorcinol content
Tidsramme: Change over 8 hours comparison between treatments
|
Measured by Mass Spec |
Change over 8 hours comparison between treatments
|
|
Ileal fluid carotenoid content
Tidsramme: Change over 8 hours comparison between treatments
|
Measured by Mass Spec |
Change over 8 hours comparison between treatments
|
|
Circulating glucose concentration
Tidsramme: Change over 8 hours comparison between treatments
|
Blood concentrations of glucose using glucometer |
Change over 8 hours comparison between treatments
|
|
Urinary phenolic content
Tidsramme: Change over 8 hours comparison between treatments
|
Phenolic concentration e.g. hippuric acid in urine |
Change over 8 hours comparison between treatments
|
|
Circulating insulin, levels
Tidsramme: Change over 8 hours comparison between treatments
|
Measured by ELISA in μg/mL. |
Change over 8 hours comparison between treatments
|
|
Circulating essential amino acid levels
Tidsramme: Change over 8 hours comparison between treatments
|
Blood concentrations of amino acids |
Change over 8 hours comparison between treatments
|
|
Circulating levels of GLP-1
Tidsramme: Change over 8 hours comparison between treatments
|
Measured by ELISA in μg/mL. |
Change over 8 hours comparison between treatments
|
|
Circulating levels of GIP
Tidsramme: Change over 8 hours comparison between treatments
|
Measured by ELISA in μg/mL. |
Change over 8 hours comparison between treatments
|
|
Circulating levels of ghrelin
Tidsramme: Change over 8 hours comparison between treatments
|
Measured by ELISA in μg/mL. |
Change over 8 hours comparison between treatments
|
|
Circulating levels of CKK
Tidsramme: Change over 8 hours comparison between treatments
|
Measured by ELISA in μg/mL. |
Change over 8 hours comparison between treatments
|
|
Circulating levels of leptin
Tidsramme: Change over 8 hours comparison between treatments
|
Measured by ELISA in μg/mL. |
Change over 8 hours comparison between treatments
|
|
Circulating levels of bioactive peptides
Tidsramme: Change over 8 hours comparison between treatments
|
Blood concentrations of legume bioactives |
Change over 8 hours comparison between treatments
|
Samarbejdspartnere og efterforskere
Sponsor
Sponsor
Samarbejdspartnere
Samarbejdspartnere
Datoer for undersøgelser
Studer store datoer
Studiestart (Faktiske)
Studiestart
Primær færdiggørelse (Faktiske)
Primær færdiggørelse
Studieafslutning (Faktiske)
Studieafslutning
Datoer for studieregistrering
Først indsendt
Først indsendt
Først indsendt, der opfyldte QC-kriterier
Først indsendt, der opfyldte QC-kriterier
Først opslået (Faktiske)
Først opslået
Opdateringer af undersøgelsesjournaler
Sidste opdatering sendt (Faktiske)
Sidste opdatering sendt
Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier
Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier
Sidst verificeret
Sidst verificeret
Mere information
Begreber relateret til denne undersøgelse
Andre undersøgelses-id-numre
Andre undersøgelses-id-numre
- REC/24/0083
Plan for individuelle deltagerdata (IPD)
Planlægger du at dele individuelle deltagerdata (IPD)?
Lægemiddel- og udstyrsoplysninger, undersøgelsesdokumenter
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