"Less mature" green banana, why is it good?

[리얼푸드=육성연 기자] Food Navigator, United States, chose green banana flour as one of the "2018 food ingredients". It's a green banana that is not raw yellow banana that we usually eat. Green banana is currently popular in Europe for consumers who are interested in digestive health, and is also used in a variety of gluten-free products in the United States. What is the reason why green banana, which does not eat well in Korea, is attracting attention recently?

Banana is a typical mature fruit that matures even after harvest, and can be divided into seven stages depending on the stage of ripening. This is the first step of freshly harvested banana on the farm. Green bananas transport at temperatures around 12 degrees when they move to other countries. When we reach our country and then reach maturity at about 18 degrees, 5 or 6 steps of yellow bananas are made. Here, the oldest banana has black spots and the highest sugar content.

As the banana ages, the bland taste disappears and the sugar content increases and becomes delicious. However, yellow banana contains less resistant starch as the more resistant starch is processed into sugar, the more it is cooked. The reason to pay attention to the green banana from overseas is in this resistant starch.

"Resistant starch" is not degraded by digestive enzymes, unlike other carbohydrate starch. In other words, glucose is not absorbed into the body, so the blood sugar does not rise quickly. Resistant starch is known to go down to the colon and break down by bacteria to make the gut healthy and prevent obesity.

Green banana contains about 20% of such a resistant starch. For this reason, experts say that it is healthier than yellow bananas. "The banana-resistant green starch is slowly absorbed into the body, providing energy for a long time, and not raising blood sugar," according to the British Telegraph. "It stimulates glucagon which promotes fat breakdown, so it also helps dieting," he said.

Because green banana has a low sugar content and that it does not taste good with banana, green banana powder powder is widely used in food. Overseas, bakery products containing green banana powder and ice cream are also on the market.

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