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New Research Reveals Why You Shouldn’t Add a Banana to Your Smoothies (scitechdaily.com)

submitted 1 year ago by [email protected] to c/[email protected]

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Researchers have found that the enzyme polyphenol oxidase (PPO) in certain fruits like bananas can reduce the absorption of heart-healthy flavanols, especially when combined with flavanol-rich ingredients like berries. The study suggests choosing ingredients with low PPO activity, such as pineapple or oranges, when making smoothies to optimize flavanol absorption.

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[–] [email protected] 2 points 1 year ago

Yeah I was thinking temperature. For example, you're not supposed to use boiling water for green tea, as it burns the tea. I've noticed this with many brands, however each brand tends to be a bit different - some are more tolerant to higher temperatures than others.

I imagine you can also do a multi-stage extraction, where you heat at a lower temperature and then at a higher temperature. This should avoid denaturing the lower temp compounds. It's commonly done with alcohol when extracting sugars into the wort.