#08- Flavonoids
Manage episode 370877360 series 3491971
Join Dr. Cammarata and Dr. Campanile on this week's episode about Flavonoids.
Flavonoids are naturally found in fruits, vegetables, wine, tea and chocolate.
Best known flavonoids:
Quercetin, kaempferol, catechins and anthocyanidins
Responsible for the rich colors of fruits and vegetables such as blueberries, raspberries, strawberries and blackberries.
There are over 6000 known flavonoids
Most Americans get flavonoids from:
Flavon-3-ols in black and green tea. It is recommended that we get 1000 mg of flavonoids per day which would be 6-10 servings of fruit and vegetables
– Most Americans get less than 250mg daily.
These are Antioxidants which prevent or slow damage to cells caused by free radicals that our bodies produce as a reaction to environmental stress such as radiation and pollution.
-Flavanols – Onions, Grapes, Red Wine, Tea, Peaches, Berries, Tomatoes, Broccoli, quercetin, kaempferol
-Flavon-3-ols – green and white tea (cathechins, gallocathechins, epicathechins and theaflavins), apples, blueberries, strawberries, cocoa
-Flavones – parsley, red peppers, chamomile, peppermint
-Flavanones – lemons, limes, oranges, grapefruit
-Isoflavones – soy, fava beans
-Anthocyanins – give red, purple and blue color such as red and purple grapes, red wine, cranberries, blueberries, strawberries, blackberries, etc.
Benefits:
Lower Blood Pressure – Multiple Studies
Reduce Risk of DM2 – a Meta Analysis in 2018 showed that a diet rich in flavonoids
reduce DM2
Anti-Cancer – Studies have shown that flavonoids help reduce the ability of cancers
to grow
Anti-Inflammatory – the can inhibit cyclo-oxygenase (COX) and lipoxygenase (LOX)
Heart – They reduce to production of oxLDL, which reduces atherosclerosis.
They also improve endothelial function – a study showed that by adding foods
rich in flavonoids
Such as oregano, rosemary, garlic and black pepper to a meal significantly
improved endothelial
Function after a meal.
They also have anti-platelet effects, reducing the risk of heart attacks and
strokes.
Brain Health – Flavonoids help reduce the risk of dementia and Alzheimer’s Disease
Cancer – they probably help reduce the risk of all cancers, but there is good
evidence for breast and lung
Detox – they help both phase 1 and phase 2 detox
Fresh fruits and vegetables have a much higher flavonoid content than stored or transported produce – the closer to the time of harvesting the higher the flavonoid content.
(However, to get the heart health benefits, one must ingest 6-10 serving of vegetables plus fruit.)
Also, high or prolonged heat can reduce the flavonoid content – so steaming or brief sautéing is best – cooking for less than 8 minutes.
The skin typically has the highest content of flavonoids – so it is important to wash
the produce well and consume the skin or purchase organic foods.
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