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Red Raspberry Polyphenols on Gut Microbiome
Bu çalışma, kırmızı ahududu polifenollerinin bağırsak mikrobiyomu (gut microbiome) üzerindeki etkisini incelemektedir. Katılımcılara ahududu tek başına ya da fruktooligosakkarit ile birlikte verilmiştir. Çalışmaya, 20-60 yaş arası, sigara içmeyen ve kan şekeri değerlerine göre iki gruba ayrılan sağlıklı kişiler alınmıştır. Çalışma faz uygulanmayan bir çalışma olarak yürütülmüş ve tamamlanmıştır.
Yukarıdaki özet, resmî kaydın sade dile aktarılmış halidir. Orijinal İngilizce başlık referans için gösterilir.
Kriterler ClinicalTrials.gov kaydından orijinal İngilizce haliyle alınmıştır. Uygunluk kararını yalnızca deneyi yürüten ekip verebilir.
Inclusion Criteria: 1. Non-smoking1 man or woman, 20-60 years of age, inclusive 2. Group 1 must have a fasting blood glucose between 100-125 mg/dL and inulin ≥ 8 μIU/mL 3. Group 2 will have a fasting blood glucose below 100 mg/dL and the homeostasis model assessment method of insulin resistance (HOMA-IR) \[glucose (μmol/L) × insulin (μunits/μL)/22.5\] value less than 1 4. Judged to be in good health on the basis of the medical history 5. Able to provide informed consent and comply with study procedures 6. Able to comply to the study instructions (including dietary restrictions, consumption of study beverage, records of food diary and GI-tract questionnaire, sample collection procedure and study visit schedule) 7. Able to maintain your usual physical activity pattern 8. Able to abstain from alcohol consumption and avoid vigorous physical activity for 24 hours prior to and during study visit Exclusion Criteria: 1. Systolic blood pressure ≥160 mm Hg or diastolic blood pressure ≥100 mm Hg at screening visit. 2. Major trauma or a surgical event within 2 months or longer depending on trauma or event and after consultation with PI. 3. Weight change ≥4.5 kg (9.9 lbs) within 2 months 4. Presence of chronic constipation, diarrhea or other chronic gastrointestinal complaint (e.g. irritable bowel syndrome) 5. Had gastrointestinal barium opaque meal within 3 months 6. History or presence of clinically important endocrine, cardiovascular (including, but not limited to, atherosclerotic disease, history of myocardial infarction, peripheral arterial disease, stroke), pulmonary, or biliary that, in the opinion of the investigator, could interfere with the interpretation of the study results 7. History or presence of cancer in the prior 2 years, except for non-melanoma skin cancer 8. History of extreme dietary habits, as judged by the investigator (e.g., Atkins diet, etc.) 9. History of an eating disorder (e.g., anorexia nervosa, bulimia nervosa, or binge eating) diagnosed by a health professional 10. Vegan or other extreme dietary regimens as judged by the investigator. 11. Has a known intolerance or sensitivity to any ingredients in the study products 12. Has used antibiotics within the previous 2 months 13. Has used prebiotics, probiotics, or drugs active on gastrointestinal motility, or a laxative of any class within 1 month 14. Has used medications known to influence carbohydrate metabolism, including, but not limited to adrenergic blockers, diuretics, hypoglycemic medications, and systemic corticosteroids within 2 weeks 15. Female, who is pregnant, lactating or planning pregnancy during the study period 16. Has participated in prebiotics or laxative trial within 3 months prior to enrollment or any other clinical trial within 1 month 17. Donated blood within last 3 months 18. Working overnight (e.g. 3rd shift) 19. Excessive coffee and tea consumption (\> 4 cups/day) 20. Men and women who do excessive exercise regularly or athlete 21. Men and women whom investigator is uncertain about subject's capability or willingness to comply with protocol requirement