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This study is set up to determine the cognitive enhancing effect and consumption safety of the novel cognitive enhancement product made from the combined extract of Z. mays (purple color) and P. amaryllifolius based-drink (MP1) in menopausal volunteer.
Memory impairment is one of the common health problems in menopausal women. Due to the therapeutic efficiency limitation, the searching for the protective intervention for this condition is required. Based on the previous findings that the combined extract of Z. mays (purple color) and P. amaryllifolius based-drink (MP1) could attenuate memory impairment in animal model of menopause, the investigators aimed to investigate the effect of MP1 functional drink on working memory, psychological fitness, possible underlying mechanism and the consumption safety in menopausal volunteers.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| MP1 group | Active Comparator | Subjects receive the MP1 product at the dose of 400 mg/day for 8 weeks. |
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| Placebo group | Placebo Comparator | Subject receive the Placebo product for 8 weeks. |
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| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| MP1 | Dietary Supplement | Subjects receive MP1 drink at the dose of 400 mg/day after meal for 8 weeks. |
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| Measure | Description | Time Frame |
|---|---|---|
| Cognitive processing (P300) and attention (N100) using Event Related Potential | 7 months |
| Measure | Description | Time Frame |
|---|---|---|
| Accuracy and speed of working memory using computerized battery test | 7 months | |
| Psychological fitness using Bond-Ladder test and Symptom Check List-90 test (SCL-90) | 7 months | |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Jintanaporn Wattanathorn, PhD | Khon Kaen University | Principal Investigator |
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| Placebo | Other | Subjects receive Placebo drink after meal for 8 weeks. |
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| Malondialdehyde level in serum |
| 7 month |
| The activity of Superoxide dismutase enzyme in serum | The activity of Superoxide dismutase (SOD) enzyme in serum is measured by using the biochemical assay method and the activity of SOD is expressed as units/mg protein. The higher activity of SOD enzyme is the better antioxidant effect of the intervention. | 7 month |
| The activity of Glutathione Peroxidase enzyme in serum | The activity of Glutathione Peroxidase (GSH-Px) enzyme in serum is measured by using the biochemical assay method and the activity of GSH-Px is expressed as units/mg protein. The higher activity of GSH-Px enzyme is the better antioxidant effect of the intervention. | 7 month |
| The activity of Catalase enzyme in serum | The activity of Catalase enzyme in serum is measured by using the biochemical assay method and the activity of CAT is expressed as units/mg protein. The higher activity of CAT enzyme is the better antioxidant effect of the intervention. | 7 month |
| The activity of Acetylcholinesterase enzyme in serum | Acetylcholinesterase (AChE) is an enzyme that catalyzes the breakdown of Acetylcholine, a neurotransmitter for learning and memory.The activity of AChE enzyme in serum is measured by using the biochemical assay method and the result is express as mmol/min.g protein. The lower activity of AChE is the better cognitive enhancing effect of the intervention. | 7 month |
| The activity of Monoamine oxidase enzyme in serum | Monoamine oxidase (MAO) is an enzyme that catalyzes the breakdown of Monoamine neurotransmitter , a neurotransmitter for learning and memory.The activity of MAO enzyme in serum is measured by using the biochemical assay method and the result is express as nmol/h/mg protein. The lower activity of MAO is the better cognitive enhancing effect of the intervention. | 7 month |
| Consumption safety of MP1 by using the electrocardiogram (ECG), Blood chemistry, hematology, blood pressure measurement | 7 months |
| Adverse events by using adverse event record form | 7 months |