
Dr. Rhonda Patrick: Stop eating Bananas!
Physionic
May 20, 2024
Mindsip insights from this episode:
Leverage polyphenols to enhance brain cell health
Polyphenols can bind to signaling proteins within cells to activate or repress genes involved in neuronal plasticity, growth, and the survival of brain cells.
Avoid bananas in smoothies to preserve polyphenols
Bananas contain a high amount of an enzyme called polyphenol oxidase (PPO), which degrades the beneficial polyphenols from other fruits like blueberries when mixed in a smoothie.
Add banana to berry smoothie to enhance polyphenol absorption
A 2023 controlled trial found that when a banana was added to a berry smoothie, the levels of polyphenol metabolites in participants' blood and urine plummeted.
Consume bananas alone for maximum polyphenol benefits
To get the full polyphenol benefits from fruits, it is best to consume bananas by themselves rather than mixing them with other polyphenol-rich foods.
Identify foods that degrade polyphenols to protect nutrients
Besides bananas, other foods like beet greens, apples, pears, beets, and peaches also contain the polyphenol-degrading enzyme PPO, with bananas and beet greens being the biggest offenders.
Inhibit apoptosis with polyphenols to prevent cell death
One proposed mechanism for polyphenol benefits is their ability to inhibit the release of cytochrome C from mitochondria, which prevents a pathway of programmed cell death called apoptosis.
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