Avoid Adding Banana In Fruit Smoothies: Here’s Why     | TheHealthSite.com (2024)

Avoid Adding Banana In Fruit Smoothies: Here’s Why | TheHealthSite.com (1)

If you're making smoothies, do not combine bananas with flavanol-rich fruits such as berries, grapes and cocoa.

Smoothies are a healthy breakfast option, and an easy way to increase your consumption of fruits and vegetables. But knowing the right combo is important to get the most health benefits from smoothies. Blending certain ingredients in smoothies can affect the abortion of nutrients by the body. For example, a banana and blueberry smoothie may be a bad combination. According to a new study, adding a banana to fruit smoothies can decrease the level of flavanols in the smoothie as well as its absorption in the body.

The study by researchers at the University of California, Davis, found that polyphenol oxidase (PPO), an enzyme found in banana and many other fruits and vegetables, affects the levels of flavanols in smoothies to be absorbed by the body. Flavanols are bioactive compounds naturally found in apples, pears, blueberries, blackberries, grapes and cocoa (common smoothie ingredients) and are known to be beneficial for the heart and cognitive health.

Polyphenol oxidase is also found in apples and berries, but in low quantity. After you slice an apple or peel a banana, the fruit will quickly turn brown. This occurs when polyphenol oxidase present in those foods is exposed to air.

Should we avoid banana-based smoothies?

The researchers wanted to know how drinking smoothies made with different PPO-containing fruits impacted the amount of flavanols available for absorption by the body. They found that participants who drank the banana smoothie, which has naturally high PPO activity, had 84 per cent lower levels of flavanols in their body compared to the those who had a smoothie made with mixed berries (which have naturally low PPO activity). The participants also took a flavanol capsule along with the smoothie samples.

Lead author Javier Ottaviani stated that adding a single banana can quickly decrease the level of flavanols in the smoothie and the levels of flavanol absorbed in the body. This shows that the combination of certain ingredients can affect the absorption of dietary compounds in foods.

If you like smoothies with bananas, do not combine it with flavanol-rich fruits such as berries, grapes and cocoa. The same goes for other high PPO activity fruits and vegetables such as beet greens, the researchers said.

This means blending fruits with high PPO activity (like banana) with flavanol-rich fruits (berries, grapes and cocoa) in smoothies may be a bad combo.

How to boost levels of flavanols in the body?

The Academy of Nutrition and Dietetics recommends consuming 400 to 600 milligrams of flavanols daily for cardiometabolic health. To increase intake of flavanols, Ottaviani suggests preparing smoothies by combining flavanol-rich fruits like berries with ingredients like pineapple, oranges, mango or yogurt that also have a low PPO activity.

Tea is also a good source of flavanols, but how much flavanols would be available for absorption depends on how it is prepared, Ottaviani added.

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FAQs

Avoid Adding Banana In Fruit Smoothies: Here’s Why     | TheHealthSite.com? ›

Bananas and berries might not be the best smoothie combination for maximizing flavanol consumption, according to a new study. An enzyme in bananas makes flavanols less bioavailable when it's combined with berries.

Why is it bad to put bananas in smoothies? ›

The new study found that smoothies combining bananas with berries proved to decrease in flavanols (a key nutrient in berries) after being blended together. Considering the health benefits of flavanols, this presents a problem.

Why are bananas bad for you when you blend them? ›

"We were really surprised to see how quickly adding a single banana decreased the level of flavanols in the smoothie and the levels of flavanol absorbed in the body. This highlights how food preparation and combinations can affect the absorption of dietary compounds in foods."

Why shouldn't you mix bananas with berries? ›

You shouldn't blend bananas with berries or consume them at the same time. Doing so will destroy the beneficial flavonols found in berries. That's the take home message from a recently published study. Flavonols are a type of polyphenol that are cardioprotective and may support brain health.

Do bananas destroy polyphenols? ›

We know from previous studies that flavanols can be broken down by polyphenol oxidase. The extent of the effect from adding a single banana was still very surprising – it had enough polyphenol oxidase to destroy the vast majority of flavanols found in the berries.

What to use instead of banana in smoothie? ›

But when I started experimenting, I discovered a handful of easy banana substitutes that lend a similar thick and creamy consistency to your smoothies. To make a smoothie without a banana, you can substitute oatmeal, avocado, chia seeds, frozen fruit, yoghurt or tofu.

Is it bad to eat blueberries and bananas together? ›

An enzyme in bananas makes flavanols less bioavailable when it's combined with berries. Researchers say bananas are still a great fruit to be eaten on the side, or added to smoothies that don't have flavanol-rich ingredients such as berries, grapes and cocoa.

Which fruit should not be eaten together? ›

Acidic and sub-acidic fruits such as grapefruits, strawberries, apples, pomegranates, and peaches, should never be combined with sweet fruits such as bananas and raisins.

Why shouldn't you mix fruits and vegetables in smoothies? ›

The most common 'ill effect' of mixing fruits and veggies is gas, because fruit digests faster and uses different digestive enzymes. Carrots and apples are considered exceptions – carrots go well with any fruit and apples go well with any veggie.

Why shouldn't you put apples and bananas together? ›

Yes. Many ripening fruit produce the hydrocarbon gas ethylene as they ripen, which itself triggers more ripening. Bananas are especially productive sources of the gas, and putting one that's in the process of going brown next to apples, pears or hard avocados will greatly speed up their ripening.

Why shouldn't you eat bananas and strawberries together? ›

Although, you can eat acidic and sub-acidic fruits together which is totally fine. For example, banana is a sweet fruit and strawberry is an acidic fruit. Eating them together is found to have caused headaches, nausea and acidosis.

Why should I not put bananas in my smoothie? ›

Results from the study showed that flavanol levels in smoothies containing banana declined rapidly after preparation, so if your goal is to increase your flavanol intake, don't eat bananas and flavanol-rich foods together.

What does banana do for your colon? ›

Fiber: One banana provides about 3 grams of fiber, which is roughly 10% of the recommended daily amount. Fiber can reduce your risk of colorectal cancer, lower your cholesterol, help keep your blood sugar normal, and can help you maintain a healthy weight.

Why should you not put bananas with other fruits? ›

And to keep bananas fresh for longer don't put them into a bowl with other fruits that release lots of ethylene when they start to ripen. Think apples, melons, peaches, and kiwifruit. Keep bananas separately from other fruits and separate the bunch, too for better airflow.

Does blending fruit destroy fiber? ›

Answer. Blending fruit or vegetables for a smoothie does not destroy the fiber in them. While blending does increase the oxidation of the produce items, it is not going to cause a great loss of nutrients. Oxidation occurs when fruits and vegetables are cut and exposed to oxygen.

Is eating a banana vs blending it different? ›

blending the same banana on its own will not change its nutritional value. if it's 100cal banana it's still hundred calories after you blend it.

Is it okay to drink banana smoothie? ›

Benefits of taking bananas and milk together. Bananas mixed into milk make a delicious smoothie that people of all ages enjoy as breakfast. Bananas combined with milk provide lots of nutrition, speedy post-workout recovery, and weight loss.

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