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Super Polyphenols - Quercetin & Bioactivity
Functional Food

Super Polyphenols - Quercetin & Bioactivity

I had dedicated a blog post on polyphenols. Let’s now talk about specific ones or the more scientifically studied ones. 



Quercetin is one of the most frequently studied polyphenols. In the beginning, quercetin has been lauded as a moderate antioxidant capable of removing harmful oxidants and protecting our cells from oxidative damage. 


Recent bioactivity and clinical studies concluded that quercetin delayed atherosclerotic (blockage of blood vessels through the accumulation of fats within the blood vessel) progression by exerting powerful anti-inflammatory and vasodilative (dilate the blood vessels by relaxing the blood vessel muscle) effects1


The results of a systematic review and meta-analysis of 17 randomized controlled trials involving 896 participants indicated that quercetin intakes for 8 weeks or more significantly decreased blood pressures and blood triglycerides in human2


While more studies are performed to elucidate its mechanisms of action, quercetin has been established as a bioactive polyphenol naturally present in fruits and vegetables to exert cardiovascular protective effects. 


Nutrixin® Apple Peel Essence is validated scientifically to contain an optimal amount of quercetin for promoting cardiovascular health. 


Enough of quercetin. I will move on to another super polyphenol.



1 Mohammadi-Sartang, M., Mazloom, Z., Sherafatmanesh, S., Ghorbani, M. & Firoozi, Donya. 2017. Effects of supplementation with quercetin on plasma C-reactive protein concentrations: a systematic review and meta-analysis of randomized controlled trials. Eur J Clin Nutr 1033.


2 Huang, Haohai, Liao, Dan, Dong, Yong & Pu, Rong. 2020. Effect of quercetin supplementation on plasma lipid profiles, blood pressure, and glucose levels: a systematic review and meta-analysis. Nutr Rev


Posted on 9 July 2021

Posted by Dr. Loke Wai Mun

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