Protein Quality on Appetite Control, Reward-driven Eating, & Subsequent Food Intake
The Effects of Consuming Beef vs. Soy-rich Lunch Meals, Matched for Macronutrient Content or Serving Size, on Markers of Appetite Control and Satiety
Studienübersicht
Status
Status
Bedingungen
Bedingungen
Intervention / Behandlung
Intervention / Behandlung
Detaillierte Beschreibung
Studientyp
Studientyp
Einschreibung (Tatsächlich)
Einschreibung
Phase
Phase
- Unzutreffend
Kontakte und Standorte
Studienorte
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Missouri
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Columbia, Missouri, Vereinigte Staaten, 65211
- University of Missouri
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Teilnahmekriterien
Zulassungskriterien
Zulassungskriterien
Studienberechtigtes Alter
Akzeptiert gesunde Freiwillige
Studienberechtigte Geschlechter
Beschreibung
Inclusion Criteria:
- Age range 18-30 y
- Normal to Overweight (BMI: 18-29.9 kg/m2)
- No metabolic, psychological, or neurological diseases/conditions
- Not currently/previously on a weight loss or other special diet (in the past 6 months)
- Not a vegetarian
- Right-handed (necessary for the fMRI analyses)
- Not pregnant
- Meets the MU-Brain Imaging Center Screening Criteria
- Have not given blood (for the American Red Cross in the past 6 months)
Exclusion Criteria:
- Age >30 y and <18y
- Under Weight or Obese (BMI: <18 kg/m2 or >29.9 kg/m2)
- Clinically diagnosed with diabetes (Type I or Type II), having an eating disorder, or having any other metabolic, psychological, or neurological diseases/conditions that would influence the study outcomes.
- Currently/previously on a weight loss or other special diet (in the past 6 months)
- Left-handed
- Claustrophobic (≥ 2 past bouts of claustrophobia when exposure to small spaces)
- Do not meet the fMRI criteria established by the MU-BIC (regarding metal implants, etc.)
- Pregnant
- Does not meeting the MU-Brain Imaging Center screening criteria
- Have given blood (for the American Red Cross) in the past 6 months or plan to give blood in the following 6 months
Studienplan
Wie ist die Studie aufgebaut?
Designdetails
- Hauptzweck: Sonstiges
- Zuteilung: Zufällig
- Interventionsmodell: Crossover-Aufgabe
- Maskierung: Verdreifachen
Anzahl der Arme
Waffen und Interventionen
Teilnehmergruppe / ArmTeilnehmergruppe / Arm |
Intervention / BehandlungIntervention / Behandlung |
|---|---|
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Experimental: Macronutrient and Fiber Matched BEEF
The participants will consume the macronutrient and fiber matched BEEF lunch on a single testing day.
BEEF contained 33% protein, 43% CHO, and 24% fat; the BEEF meal contained 24 g of beef protein from 96% lean ground beef (Cargill, KS).
Soy fiber (Nutritional Designs, NY) was added to the BEEF meal to match total final content between meals.The participants will consume the serving size matched BEEF lunch on a single testing day.
BEEF contained 33% protein, 43% CHO, and 24% fat; the BEEF meal contained 24 g of beef protein from 96% lean ground beef patty (Cargill, KS).
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The participants will consume the macronutrient and fiber matched BEEF lunch on a single testing day.
BEEF contained 33% protein, 43% CHO, and 24% fat; the BEEF meal contained 24 g of beef protein from 96% lean ground beef (Cargill, KS).
Soy fiber (Nutritional Designs, NY) was added to the BEEF meal to match total final content between meals.The participants will consume the serving size matched BEEF lunch on a single testing day.
BEEF contained 33% protein, 43% CHO, and 24% fat; the BEEF meal contained 24 g of beef protein from 96% lean ground beef patty (Cargill, KS).
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Experimental: Macronutrient and Fiber Matched SOY
The participants will consume the macronutrient and fiber matched SOY lunch on a single testing day.
SOY contained 33% protein, 43% CHO, and 24% fat; the SOY meal contained 24 g of textured soy protein concentrate (Boca Foods, WI).
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The participants will consume the macronutrient and fiber matched SOY lunch on a single testing day.
SOY contained 33% protein, 43% CHO, and 24% fat; the SOY meal contained 24 g of textured soy protein concentrate (Boca Foods, WI).
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Experimental: Serving Size Matched BEEF
The participants will consume the serving size matched BEEF lunch on a single testing day.
BEEF contained 33% protein, 43% CHO, and 24% fat; the BEEF meal contained 24 g of beef protein from 96% lean ground beef patty (Cargill, KS).
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The participants will consume the serving size matched BEEF lunch on a single testing day.
BEEF contained 33% protein, 43% CHO, and 24% fat; the BEEF meal contained 24 g of beef protein from 96% lean ground beef patty (Cargill, KS).
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Experimental: Serving Size Matched SOY
The participants will consume the serving size matched SOY lunch on a single testing day.
SOY contained 24% protein, 49% CHO, and 24% fat; the SOY meal contained 14 g of textured soy protein concentrate (Boca Foods, WI).
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The participants will consume the serving size matched SOY lunch on a single testing day.
SOY contained 24% protein, 49% CHO, and 24% fat; the SOY meal contained 14 g of textured soy protein concentrate (Boca Foods, WI).
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Was misst die Studie?
Primäre Ergebnismessungen
Primäre Ergebnismessungen
Ergebnis Maßnahme |
Maßnahmenbeschreibung |
Zeitfenster |
|---|---|---|
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Eating Initiation
Zeitfenster: 1 Day
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Eating initiation will be measured as the time lapse between consuming the intervention and requesting dinner.
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1 Day
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Subsequent Food Intake
Zeitfenster: 1 Day
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Ad libitum dinner and snacks were provided.
Energy content and macronutrient content of these eating occasions were assessed.
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1 Day
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Net Incremental Area Under the Curve (niAUC) of Perceived Hunger and Fullness
Zeitfenster: - 15 min, +0 min,+30 min, +60 min, +90 min, +120 min, +150 min, +180 min, +210 min, +240 min, +255 min, +270 min, +285 min, +300 min, +330 min, +360 min, +390 min, +420 min, +450 min, and +480 min
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Computerized questionnaires, assessing perceived sensations of hunger and fullness were completed throughout the testing days.
The questions are worded as "how strong is your feeling of" with anchors of "not at all" to "extremely."
Each reported score can be a minimum of 0 and a maximum of 100 mm.
niAUC was calculated for by computing the summation of the average change from baseline score (units of mm) for each time point and the subsequent time point, multiplied by the difference in time (min) between the two measures.
For reported feelings of hunger, a higher score can be interpreted as "feeling more hungry."
For fullness, higher can be interpreted as "feeling more full."
Questionnaires were asked at baseline and about every 30 minutes throughout the day for a total of 20 questionnaires.
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- 15 min, +0 min,+30 min, +60 min, +90 min, +120 min, +150 min, +180 min, +210 min, +240 min, +255 min, +270 min, +285 min, +300 min, +330 min, +360 min, +390 min, +420 min, +450 min, and +480 min
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Net Incremental Area Under the Curve (niAUC) of Plasma Total Glucagon-like Peptide (GLP-1) and Total Peptide YY (PYY)
Zeitfenster: - 15 min, +0 min,+30 min, +60 min, +90 min, +120 min, +150 min, +180 min, +210 min, +240 min, +255 min, +270 min, +285 min, +300 min, +330 min, +360 min, +390 min, +420 min, +450 min, and +480 min
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The samples were collected in test tubes containing ethylenediaminetetraacetic acid.
Protease inhibitors (pefabloc SC and dipeptidyl peptidase) were added to some of the tubes to reduce protein degradation.
The plasma was separated and stored at -80°C.
Plasma total glucagon-like peptide (GLP-1) and peptide YY (PYY) were measured for all time points using the Milliplex multi-analyte profiling magnetic bead-based multi-analyte, metabolic panel, 2-plex assay and Magpix Luminex technologies.
niAUC was calculated throughout the testing period by computing the summation of the average change from baseline score (units of pg/ml) for each time point and the subsequent time point, multiplied by the difference in time (units of min) between the two time instances for a total of 20 blood samples.
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- 15 min, +0 min,+30 min, +60 min, +90 min, +120 min, +150 min, +180 min, +210 min, +240 min, +255 min, +270 min, +285 min, +300 min, +330 min, +360 min, +390 min, +420 min, +450 min, and +480 min
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Food Cue-stimulate fMRI Brain Scans
Zeitfenster: 3 hours
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Participants viewed 3 categories of pictures including food, nonfood (animals), and blurred baseline images.
The pictures from each category were presented in blocks of images.
Animal pictures were used to control for visual richness and general interest (i.e., appealing but not appetizing).
To determine the effects of protein type on neural activity associated with food motivation, repeated measures ANOVAs were performed on the brain activation maps within the Brain Voyager software with use of stimulus [food (i.e., appetizing and appealing) vs. nonfood (i.e., animal, nonappetizing but appealing] and protein source (BEEF vs. SOY) comparisons within the macronutrient and fiber-matched condition and the serving size-matched conditions, separately.
The mean percent signal change in the maximum voxel within each region that displayed significant activation after the BEEF and SOY meals was then determined.
Talairach coordinates for each region are presented for each row as (x;y;z).
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3 hours
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Sekundäre Ergebnismessungen
Sekundäre Ergebnismessungen
Ergebnis Maßnahme |
Maßnahmenbeschreibung |
Zeitfenster |
|---|---|---|
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Plasma Amino Acids
Zeitfenster: - 15 min, +0 min,+30 min, +60 min, +90 min, +120 min, +150 min, +180 min, +210 min, +240 min, +255 min, +270 min, +285 min, +300 min, +330 min, +360 min, +390 min, +420 min, +450 min, and +480 min
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Plasma amino acid concentrations were measured from the pre and hourly postprandial time points until dinner request following the Macronutrient and Fiber Matched BEEF meal and the Serving Size Matched Beef Meal.
An average amino acid concentration was then determined from the change from baseline concentration for all available time points.
Plasma amino acid analyses were performed through the University of Missouri-Columbia Agricultural Experiment Station Chemical Laboratories using cation-exchange chromatography (cIEC-HPLC) coupled with post-column ninhydrin derivatization and quantitation.
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- 15 min, +0 min,+30 min, +60 min, +90 min, +120 min, +150 min, +180 min, +210 min, +240 min, +255 min, +270 min, +285 min, +300 min, +330 min, +360 min, +390 min, +420 min, +450 min, and +480 min
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Studienaufzeichnungsdaten
Haupttermine studieren
Studienbeginn
Studienbeginn
Primärer Abschluss (Tatsächlich)
Primärer Abschluss
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Studienabschluss
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Letztes eingereichtes Update, das die QC-Kriterien erfüllt
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Zuletzt verifiziert
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Mehr Informationen
Begriffe im Zusammenhang mit dieser Studie
Zusätzliche relevante MeSH-Bedingungen
Andere Studien-ID-Nummern
Andere Studien-ID-Nummern
- UMissouri
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