Nutrition Facts with Dr. Greger
Bananas in Smoothies?
Mar 7, 2024
Exploring the impact of banana enzymes on nutrient content in smoothies, including ways to inhibit enzymatic browning. Comparing effects of banana almond milk smoothies vs. chocolate-flavonoid versions. Tips on preventing fruit browning with vitamin C, citric acid, and lemon juice.
14:38
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Quick takeaways
- Bananas contain an enzyme that can reduce nutrient absorption in smoothies, particularly affecting polyphenols in foods like cocoa and berries.
- To maintain nutrient levels in smoothies, alternatives like mangoes or white mushrooms with lower enzyme activity can be used, along with strategies like adding pineapple or lemon juice to counteract the enzyme in bananas.
Deep dives
The Impact of Banana Enzyme on Nutrient Absorption
Bananas contain an enzyme that can break down polyphenols in foods like cocoa and berries, affecting the nutrient absorption in smoothies. Research showed that blending bananas with cocoa in a smoothie drastically reduced the levels of flavonols, demonstrating how the enzyme could diminish the health benefits of these compounds. The study revealed that the enzyme activity continued in the stomach, leading to decreased polyphenol levels, emphasizing the importance of consuming such smoothies quickly.
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