2 systematic reviews on the effects of anthocyanins, or the blue/purple pigment in blueberries, purple cauliflower, black rice on older adults have come out in the last 2 years. One review showed significant positive effects in improving or preserving mental processing speed and the other review showed improvements in memory, attention and psychomotor speed AND vascular endothelial function. Now, I don’t know about you, but when the zombie apocalypse hits in just a few short years, I want to be able to think fast and have a well-functioning blood supply for fighting the zombies off. So, plenty of blue/purple coloured fruits and vegies for me!
Research Sources:
Ahles, Sanne, Peter J. Joris, and Jogchum Plat. “Effects of berry anthocyanins on cognitive performance, vascular function and cardiometabolic risk markers: a systematic review of randomized placebo-controlled intervention studies in humans.” International journal of molecular sciences 22, no. 12 (2021): 6482.
Feng, Ruo Chen, Yan Hong Dong, Xian Li Hong, Ya Su, and Xi Vivien Wu. “Effects of anthocyanin-rich supplementation on cognition of the cognitively healthy middle-aged and older adults: a systematic review and meta-analysis of randomized controlled trials.” Nutrition Reviews (2022).
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