Enhanced extracts made from special antioxidants in spearmint and rosemary improve learning and memory, which may prove beneficial to reducing Alzheimer's disease risk, according to a study presented at Neuroscience 2013, Nov. 9-13.
Researchers at Saint Louis University tested a novel antioxidant-based ingredient made from spearmint extract and two different doses of a similar antioxidant made from rosemary extract on mice that have age-related cognitive decline.
Results concluded the higher-dose rosemary extract compound was the most powerful in improving memory and learning in three tested behaviors. The lower-dose rosemary extract improved memory in two of the behavioral tests, as did the compound made from spearmint extract.
"We found that these proprietary compounds reduce deficits caused by mild cognitive impairment, which can be a precursor to Alzheimer's disease," said Susan Farr, Ph.D., research professor, geriatrics, Saint Louis University.
Further, there were signs of reduced oxidative stress, which is considered a hallmark of age-related decline, in the part of the brain that controls learning and memory.
"Our research suggests these extracts made from herbs might have beneficial effects on altering the course of age-associated cognitive decline," Farr said.
Additional research has shown a healthy diet with sufficient amounts of vitamin C and vitamin D may also help to ward off Alzheimer's disease.
Results concluded the higher-dose rosemary extract compound was the most powerful in improving memory and learning in three tested behaviors. The lower-dose rosemary extract improved memory in two of the behavioral tests, as did the compound made from spearmint extract.
"We found that these proprietary compounds reduce deficits caused by mild cognitive impairment, which can be a precursor to Alzheimer's disease," said Susan Farr, Ph.D., research professor, geriatrics, Saint Louis University.
Further, there were signs of reduced oxidative stress, which is considered a hallmark of age-related decline, in the part of the brain that controls learning and memory.
"Our research suggests these extracts made from herbs might have beneficial effects on altering the course of age-associated cognitive decline," Farr said.
Additional research has shown a healthy diet with sufficient amounts of vitamin C and vitamin D may also help to ward off Alzheimer's disease.
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