prediabetes
Conditions
Interventions
intervention group A:black tea extract
intervention group B:Mulberry Leaf extract,navy bean extract
intervention group C:dietary fiber
control group:blank
Sponsors
Peking University
Eligibility
Sex/Gender
All
Age
45 Years to 65 Years
Inclusion criteria
Inclusion criteria: 1. aged 45–65 years male and female; 2. fasting blood glucose between 5.6~6.9mmol/l OR(AND) HbA1c between 5.7%~6.4%.
Exclusion criteria
Exclusion criteria: 1. diabetic patients diagnosed by the hospital previously (other than gestational) or those who reach the diabetes standard in the initial screening; 2. treatment with hypoglycemic drugs or dietary supplements with hypoglycemic effects; 3. patients with thyroid, kidney, blood-related diseases, liver dysfunction or infectious diseases (tuberculosis, viral hepatitis and HIV); 4. be allergic to functional foods; 5. have taken functional foods in the past two weeks; 6. unconventional diet, such as eating very little or only eating once a day, etc.; 7. mental illness, memory disorder, inability to answer questions correctly, serious illness and lack of capacity, etc.; 8. pregnant or lactating women.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| blood sugar;insulin;C-peptide;HbA1c; | — |
Secondary
| Measure | Time frame |
|---|---|
| height;weight;waistline;hipline;body fat percentage;dietary nutrients intake;Pittsburgh sleep quality index;gastrointestinal symptoms;blood pressure;heart rate;cell factor;Glycosylated serum protein;blood lipid;renal function;gene loci; | — |
Countries
China
Contacts
Public ContactYumei Zhang
Peking University
Outcome results
None listed