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Sage

Specific Recommendations:

• Sage at Amazon.com

News & Research:

• Herb Sage Improves Memory - WebMD, 8/28/03 - "44 healthy, young adults took either sage oil capsules or a placebo. The participants then took a series of word recall tests ... The people who had taken the sage oil consistently had better word recall -- a sign that sage may help improve memory ... sage's antioxidant and anti-inflammatory properties could be valuable in Alzheimer's treatment"

Abstracts:

• Insights into the neuroprotective effects of Salvia officinalis L. and Salvia microphylla Kunth in the memory impairment rat model - Food Funct 2022 Feb 9 - "Salvia species have a longstanding traditional culinary use, mostly being consumed in the Mediterranean diet as a common herb added to food. Salvia is commonly consumed as a herbal tea for memory enhancement. Alzheimer's disease (AD) is the most prevalent form of dementia affecting people worldwide ... Salvia officinalis (SOL) cultivated in Jordan and Salvia microphylla (SML) cultivated in Egypt ... scopolamine (1.14 mg kg-1, i.p.) was administered for 7 consecutive days to induce memory impairment in rats. SML and SOL (150 and 300 mg kg-1, p.o.) were tested for their effects to reduce the scopolamine-induced deficits. Donepezil (0.5 mg kg-1, i.p.) was used as a positive control. Scopolamine induced histopathological changes in rats' prefrontal cortex and hippocampus in addition to β-amyloid plaque deposition. Furthermore, scopolamine treatment promoted oxidative stress and acetylcholinesterase activity. On the other hand, treatment with Salvia extracts corrected the histological changes induced by scopolamine and significantly reduced β-amyloid deposition. Moreover, both oxidative stress markers and acetylcholinesterase activity were ameliorated by Salvia treatment. Using virtual docking to the active sites of the human acetylcholinesterase crystal structure, salvianolic acid K, rosmarinic acid and salvianolic acid C showed the best fitting binding modes to active sites of acetylcholinesterase. Accordingly, the present study demonstrates the beneficial effects of Salvia species from Egypt and Jordan against scopolamine-induced AD-like disorder" - See sage at Amazon.com.
  • Salvia officinalis - Wikipedia - "Salvia officinalis, the common sage or just sage, is a perennial, evergreen subshrub, with woody stems, grayish leaves, and blue to purplish flowers. It is a member of the mint family Lamiaceae and native to the Mediterranean region, though it has been naturalized in many places throughout the world"
  • Salvia microphylla - Wikipedia - "Salvia microphylla, the baby sage, Graham's sage, or blackcurrant sage, is an evergreen shrub found in the wild in southeastern Arizona and the mountains of eastern, western, and southern Mexico. It is a very complex species which easily hybridizes, resulting in numerous hybrids and cultivars brought into horticulture since the 1990s"
• The Acute and Chronic Cognitive Effects of a Sage Extract: A Randomized, Placebo Controlled Study in Healthy Humans - Nutrients 2021 Jan 14 - "The sage (Salvia) plant contains a host of terpenes and phenolics which interact with mechanisms pertinent to brain function and improve aspects of cognitive performance. However, previous studies in humans have looked at these phytochemicals in isolation and following acute consumption only. A preclinical in vivo study in rodents, however, has demonstrated improved cognitive outcomes following 2-week consumption of CogniviaTM, a proprietary extract of both Salvia officinalis polyphenols and Salvia lavandulaefolia terpenoids, suggesting that a combination of phytochemicals from sage might be more efficacious over a longer period of time ... Participants (n = 94, 25 M, 69 F, 30-60 years old) took part in this randomised, double-blind, placebo-controlled, parallel groups design where a comprehensive array of cognitions were assessed 120- and 240-min post-dose acutely and following 29-day supplementation with either 600 mg of the sage combination or placebo. A consistent, significant benefit of the sage combination was observed throughout working memory and accuracy task outcome measures (specifically on the Corsi Blocks, Numeric Working Memory, and Name to Face Recall tasks) both acutely (i.e., changes within day 1 and day 29) and chronically (i.e., changes between day 1 to day 29). These results fall slightly outside of those reported previously with single Salvia administration, and therefore, a follow-up study with the single and combined extracts is required to confirm how these effects differ within the same cohort" - [Nutra USA]