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This intervention study investigates the effects of various kale preparations (dietary supplements) on lipid status parameters. Within the study period of 8 weeks, three blood withdrawals are planned (week 0, 4 and 8) for the volunteers. Lipid status parameters (total cholesterol, HDL cholesterol, LDL cholesterol, triacylglycerides) will be determined in blood. There is a correlation between contents of LDL cholesterol, total cholesterol and triacylglycerides and the risk for cardiovascular diseases (CVD). In contrast, a high content of HDL cholesterol is correlated with a lower risk for CVD. In addition, the contents of apolipoprotein A1 and apolipoprotein B will be analysed.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Kale Powder | Experimental | 5 capsules with kale preparation "kale powder" per day for 8 weeks |
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| Kale Extract | Experimental | 5 capsules with kale preparation "kale extract" per day for 8 weeks |
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| Flavonoid Extract | Experimental | 5 capsules with kale preparation "flavonoid extract" (from kale) per day for 8 weeks |
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| Placebo | Placebo Comparator | 5 capsules with "placebo" per day for 8 weeks |
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| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Kale Preparation "Kale Powder" | Dietary Supplement | Effect of kale preparation kale powder on lipid status |
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| Measure | Description | Time Frame |
|---|---|---|
| Change of lipid status parameters | total cholesterol, HDL cholesterol, LDL cholesterol | weeks 0, 4 and 8 |
| Measure | Description | Time Frame |
|---|---|---|
| Change of apolipoproteins | apolipoprotein A1 and apolipoprotein B | weeks 0, 4 and 8 |
| Change of antioxidant capacity | lipophilic antioxidant capacity (L-TEAC) |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Role | Phone | Extension | |
|---|---|---|---|---|
| Volker Böhm, PD Dr. | Contact | +49-(0)3641-9496 | 33 | Volker.Boehm@uni-jena.de |
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| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Friedrich Schiller University, Institute iof Nutritional Science | Recruiting | Jena | Thuringia | 07743 | Germany |
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| Kale Preparation "Kale Extract" | Dietary Supplement | Effect of kale preparation kale extract on lipid status |
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| Kale Preparation "Flavonoid Extract" | Dietary Supplement | Effect of kale preparation flavonoid extract on lipid status |
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| Placebo | Dietary Supplement | Effect of placebo on lipid status |
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| weeks 0, 4 and 8 |