Tuesday, January 4, 2022

Rosemary Extract Compound Improves Memory & Learning in 3 Tested Behaviors

Rosemary extract
Rosemary and memory have a strong historical association. Current research into rosemary extract adds to the science connecting rosemary, memory and learning. Find out what Saint Louis University discovered about rosemary and improving memory.

Rosemary and memory have a long and glorious association. From ancient Greece, to today's U.S. Department of Agriculture, rosemary holds a unique place in strengthening memories.

Now, new research from Saint Louis University adds to the science of rosemary and memory. Enhanced extracts made from special antioxidants in spearmint and rosemary were shown to improve learning and memory in animal models.

"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 at Saint Louis University School of Medicine.

Farr added, "This probably means eating spearmint and rosemary is good for you. However, our experiments were in an animal model and I don't know how much -- or if any amount -- of these herbs people would have to consume for learning and memory to improve. In other words, I'm not suggesting that people chew more gum at this point."

Farr presented the early findings at Neuroscience 2013, a meeting of 32,000 on Monday, Nov. 11. She 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.

She found that 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.

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. "It's worth additional study."

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The research, which was supported by the VA Medical Center in St. Louis, was conducted in conjunction with Kemin Industries, which manufactures specialty ingredients for vitamin/dietary supplements or that can be added to food to enhance its nutritional and health benefits.

Established in 1836, the School of Medicine has the distinction of awarding the first medical degree west of the Mississippi River. The school educates physicians and biomedical scientists, conducts medical research, and provides health care on a local, national and international level. Research at the school seeks new cures and treatments in five key areas: infectious disease, liver disease, aging and brain disease, cancer and heart/lung disease.

Saint Louis University.


  1. I had been giving my hubby Rosemary capsules that I found at Wegmans in the 'Natural Food' aisle. Would these be strong enough as the oil is to have a positive effect on his brain?

  2. A few years ago I read about Rosemary and Alzheimer's and since my mother was suffering from Alzheimer's at the time and I was afraid of inheriting it, I looked for Rosemary shampoo but couldn't find any. So I bought pure Rosemary oil and after every shower, I rubbed it into my scalp. I'm not too sure what it did for my memory, but my hair stopped falling out. A very nice side effect!


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