A review
of the dietary flavonoid, kaempferol on human health and cancer chemoprevention.
The research reveals that women who consume foods containing flavonols and flavanones (both subclasses
of dietary flavonoids) significantly decrease their risk of developing epithelial ovarian cancer, the fifth - leading cause of cancer death among women.
In the United States, 22 %
of all dietary flavonoids consumption comes from apples, making them the second largest source in our diets (33).
And, in a study published in Nutrition and Metabolism in 2015, researchers set out to evaluate the biological action and therapeutic potential of dozens
of dietary flavonoids and anthocyanins — and concluded by stating unequivocally that the phytochemicals protected against diabetes.
Not exact matches
The largest subclass
of dietary polyphenols is
flavonoids (8,9).
Scientists at the University
of York have discovered that very small chemical changes to
dietary flavonoids cause very large effects when the plant natural products are tested for their impact on the human immune system.
In 2004 we reported that certain
dietary flavonoids enhanced the positive modulation
of GABAa receptors by diazepam.
References: The
dietary flavonoids apigenin and -LRB--)- epigallocatechin gallate enhance the positive modulation by diazepam
of the activation by GABA
of recombinant GABAa receptors (Campbell EL, Chebib M and Johnston GAR, Biochemical Pharmacology, 2004, 68, 1631 - 1638) Modulation
of ionotropic GABA receptors by natural products
of plant origin (GAR Johnston, JR Hanrahan, M Chebib, RK Duke and KN Mewett, Advances in Pharmacology, 2006, 54, 285 - 316) Full text
of these references
Strawberries and blueberries have high quantities
of naturally occurring compounds known as
dietary flavonoids, also present in blackberries, grapes and wine, eggplant and other vegetables and fruit.
Women and men who eat berries on a regular basis could have a reduced risk
of Parkinson's disease, while the risk for men could also be reduced even more by consuming oranges, apples and other foods rich in
dietary components known as
flavonoids, on a regular basis.
Divi, R.L. and Doerge, D.R. Inhibition
of thyroid peroxidase by
dietary flavonoids.
Dietary flavonoid intake and the risk
of stroke: a dose - response meta - analysis
of prospective cohort studies.
So we would expect high
flavonoid intake from whole natural foods to accompany diets high in
dietary fiber, and we just do not see toxicity risks being associated with this type
of dietary intake.
However, as described earlier in our Risk
of Dietary Toxicity section, our recommendation for optimal
flavonoid intake is to focus on a whole, natural, fresh foods diet that provides ample servings
of vegetables and fruits.
Risk
of dietary deficiency for
flavonoids is basically synonymous with low
dietary intake
of whole, natural foods, and in particular, low intake
of vegetables and fruits.
«This study raises the possibility that
dietary flavonoid intake is associated with better cognitive evolution,» wrote lead author Luc Letenneur in the American Journal
of Epidemiology.
Dietary antioxidants such as anthocyanins,
flavonoids found in the blue pigments
of Wild Blueberries, have the ability to neutralize free radicals and help prevent cell damage.
Compared to orange flesh, orange peels contain higher amounts
of dietary fiber, Vitamin C, magnesium, Vitamin A, calcium, and
flavonoids.