Research Explores Plant Potential for Cognitive Enhancement
As we age, numerous changes occur both internally and externally, encompassing alterations in cognitive function and brain processes related to memory and information processing.
Typical signs of age-related cognitive decline involve instances like misplacing items, decreased problem-solving speed, and difficulties in verbal expression.
Prior research emphasizes various lifestyle aspects that can potentially safeguard cognitive health during aging, with a healthy diet being a crucial factor. Certain foods, often regarded as having cognitive enhancement properties, include berries, oily fish, eggs, kale, and specific spices like turmeric, cinnamon, saffron, and ginger.
A recent study conducted by researchers at Tohoku University in Japan has shed light on the potential cognitive benefits of consuming wasabi, a spice traditionally used in Japanese cuisine.
Wasabi, also known as Japanese horseradish, originates from Japan, parts of Russia, and Korea, belonging to the Brassicaceae family, akin to horseradish, radish, and arugula. Typically found as an underground rhizome, its root is grated to produce a pungent and aromatic paste, akin to the flavors of horseradish or hot mustard.
Past investigations into wasabi’s potential health benefits across cell cultures, animal models, and human subjects suggest a range of advantages, including high vitamin C levels, anti-inflammatory properties, antibacterial effects, neuroprotective attributes against degenerative conditions, heart health support, weight management aid, gastrointestinal and bone health improvement, fatigue reduction, and even potential anticancer properties.
The Tohoku University study involved 72 Japanese adults aged 60 to 80. Over 12 weeks, participants either consumed a wasabi tablet containing 0.8 milligrams of 6-methylsulfinyl hexyl isothiocyanate (6-MSITC), its primary bioactive compound, or a placebo tablet nightly before bedtime.
Before and after the 12-week period, participants underwent cognitive and memory assessments spanning various domains, including working memory, attention, processing speed, and episodic memory.
Upon completion, the study revealed that individuals taking the wasabi supplement containing 6-MSITC exhibited significant improvements in both working and episodic memory compared to those taking the placebo tablet. This indicates the potential cognitive benefits associated with consuming this particular compound found in wasabi, offering intriguing insights into cognitive enhancement among older adults.
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